CN110706228B - Image marking method and system, and storage medium - Google Patents
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Abstract
The invention discloses a method and a system for marking an image and a storage medium, and relates to the field of image display. The main technical scheme of the invention is as follows: a method of marking an image, comprising: receiving a video image; analyzing and processing the video image to obtain a mark signal position corresponding to the pixel coordinate information in the video image; generating all image marking layers, and synthesizing all the image marking layers and the video image to form an abnormal marking image according to a mark signal position corresponding to pixel coordinate information; or generating a partial image marking layer according to the mark signal position corresponding to the pixel coordinate information, and synthesizing the partial image marking layer and the video image to form an abnormal marking image. Therefore, the marking of abnormal pictures on the video image is completed, and an observer can conveniently observe and analyze the image content.
Description
Technical Field
The present invention relates to the field of image display, and in particular, to a method and system for marking an image, and a storage medium.
Background
In the field of image display, professional monitors are often used to evaluate whether the image quality is high or low or the image content is accurate, such as whether the RGB colors are color-shifted, whether the exposure of the picture is too large or too small, and the like.
But it is difficult for an inexperienced observer to visually observe whether the indexes meet the requirements.
Therefore, how to enable an inexperienced observer to intuitively understand the picture quality problem is a problem to be solved urgently.
Disclosure of Invention
In view of this, embodiments of the present invention provide a method and a system for marking an image, and a storage medium, and mainly aim to mark an abnormal picture, so as to facilitate an observer to observe and analyze image content.
In order to achieve the purpose, the invention mainly provides the following technical scheme:
in one aspect, an embodiment of the present invention provides an image marking method, including:
receiving a video image;
analyzing and processing the video image to obtain a mark signal position corresponding to the pixel coordinate information in the video image;
generating all image marking layers, and synthesizing all the image marking layers and the video image to form an abnormal marking image according to a mark signal position corresponding to pixel coordinate information; or generating a partial image marking layer according to the mark signal position corresponding to the pixel coordinate information, and synthesizing the partial image marking layer and the video image to form an abnormal marking image.
In this technical solution, the analyzing the video image to obtain the flag signal bit corresponding to the pixel coordinate information in the video image includes:
determining coordinate information of a plurality of pixels in the video image according to the time sequence information of the video image;
judging whether the values of a plurality of pixels in the video image are within a preset range, if not, determining that the flag signal bit corresponding to the pixel coordinate information is an abnormal flag signal bit; if the value of the pixel is within a preset range, the mark signal position corresponding to the pixel coordinate information is a normal mark signal position;
the flag signal bits comprise normal flag signal bits and abnormal flag signal bits, a plurality of pixels corresponding to the normal flag signal bits and/or a plurality of pixels corresponding to the abnormal flag signal bits are continuous pixel regions, and the video image data comprises time sequence information of video images.
In this technical solution, the generating all image marker layers includes:
presetting a marking unit pattern;
and generating all image marking layers according to the time sequence information of the video image and the marking unit patterns, and obtaining coordinate information of a plurality of pixels in all the image marking layers.
In this technical solution, the generating all image marking layers according to the timing information of the video image and the marking unit pattern includes:
forming a layer with the same time sequence as the video image according to the time sequence information of the video image;
and tiling the marking unit patterns on the pixels of the layers to form all the image marking layers.
In this technical solution, the synthesizing all the image marker layers and the video image to form an abnormal marker image according to the flag signal bit corresponding to the pixel coordinate information includes:
and setting the pixels corresponding to the abnormal mark signal bits on all the image mark layers in a stacking manner according to the coordinate information of the pixels of the video image and the coordinate information of the pixels of all the image mark layers so as to form an abnormal mark image.
In this technical solution, the generating a partial image mark layer according to a flag signal bit corresponding to pixel coordinate information includes:
presetting a marking unit pattern;
forming a layer with the same time sequence as the video image according to the time sequence information of the video image;
and tiling the marking unit patterns on the pixels corresponding to the abnormal mark signal positions on the layer, and forming blank patterns on the pixels corresponding to the normal mark signal positions on the layer so as to form the partial image marking layer.
In this technical solution, the synthesizing the partial image marker layer and the video image to form an abnormal marker image includes:
and overlapping the partial image mark layers on the video image to form an abnormal mark image.
In another aspect, the present invention further provides a system for marking an image, including a receiving unit, configured to receive a video image;
the processing unit is used for analyzing and processing the video image to obtain a mark signal position of corresponding pixel coordinate information in the video image;
the synthesizing unit is used for generating all image marking layers and synthesizing all the image marking layers and the video image according to the mark signal positions corresponding to the pixel coordinate information to form an abnormal marking image; or generating a partial image marking layer according to the mark signal position corresponding to the pixel coordinate information, and synthesizing the partial image marking layer and the video image to form an abnormal marking image.
In this technical solution, the processing unit includes:
the positioning module is used for determining coordinate information of a plurality of pixels in the video image according to the time sequence information of the video image;
the flag signal bit determining module is used for judging whether the values of a plurality of pixels in the video image are within a preset range, and if the values of the pixels are not within the preset range, the flag signal bit corresponding to the pixel coordinate information is an abnormal flag signal bit; if the value of the pixel is within a preset range, the mark signal position corresponding to the pixel coordinate information is a normal mark signal position;
the flag signal bits comprise normal flag signal bits and abnormal flag signal bits, a plurality of pixels corresponding to the normal flag signal bits and/or a plurality of pixels corresponding to the abnormal flag signal bits are continuous pixel regions, and the video image data comprises time sequence information of video images.
In this embodiment, the synthesis unit includes:
a first selection module for presetting a marking unit pattern;
the first layer forming module is used for forming a layer with the same time sequence as the video image according to the time sequence information of the video image;
the first layer marking module is used for tiling the marking unit patterns on the pixels of the layers to form all the image marking layers;
and the first image generation module is used for determining the coordinate information of the plurality of pixels in all the image mark layers, and setting the pixels corresponding to the abnormal mark signal bits on all the image mark layers in a pixel stacking manner on the video image according to the coordinate information of the plurality of pixels of the video image and the coordinate information of the plurality of pixels in all the image mark layers so as to form an abnormal mark image.
In this embodiment, the synthesis unit includes:
a second selected module for presetting a pattern of marking units;
the second layer forming module is used for forming a layer with the same time sequence as the video image according to the time sequence information of the video image;
a second layer marking module, configured to tile the marking unit pattern at pixels corresponding to the abnormal flag signal bits on the layer, and form a blank pattern at pixels corresponding to the normal flag signal bits on the layer to form the partial image marking layer;
and the second image generation module is used for setting the partial image mark layers on the video image in a stacking manner so as to form an abnormal mark image.
In a further aspect, the invention also provides a display device comprising a display, and a marking system for an image as described above.
In yet another aspect, the present invention also provides a computer system comprising:
a memory coupled to the processor and one or more processors configured to execute program instructions stored in the memory, the program instructions when executed perform a method of tagging images as previously described.
In still another aspect, the present invention further provides a storage medium, where the storage medium includes a stored program, and when the program runs, the apparatus on which the storage medium is located is controlled to execute the image marking method as described above.
The embodiment of the invention provides an image marking method, an image marking system and a storage medium, wherein the image marking method comprises the steps of receiving a video image, obtaining a mark signal position corresponding to pixel coordinate information in the video image by analyzing and processing the transmitted video image in real time, generating all image marking layers, and synthesizing all the image marking layers and the video image to form an abnormal marking image according to the mark signal position corresponding to the pixel coordinate information; or, a partial image marking layer is generated according to the mark signal position corresponding to the pixel coordinate information, and the partial image marking layer and the video image are synthesized to form an abnormal marking image, so that the marking of an abnormal picture on the video image is completed, an observer can conveniently observe and analyze the image content, and the observer is assisted to complete the judgment of whether the video image is abnormal or not, and the use of the observer is facilitated.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
Fig. 1 is a flowchart of an image marking method according to an embodiment of the present invention;
FIG. 2 is a flow chart of another image marking method according to an embodiment of the present invention;
FIG. 3 is a flowchart of a method for marking an image according to another embodiment of the present invention;
FIG. 4 is a flowchart of a method for marking an image according to another embodiment of the present invention;
FIG. 5 is a block diagram of an image tagging system provided by an embodiment of the present invention;
FIG. 6 is a block diagram of another image marking system provided by an embodiment of the present invention;
FIG. 7 is a block diagram of a marking system for another image provided by an embodiment of the present invention;
fig. 8 is a process for generating an image marker layer according to an embodiment of the present invention;
the reference numerals are as follows:
the image marking system 10, the receiving unit 12, the processing unit 14, the positioning module 142, the flag signal position determining module 144, the synthesizing unit 16, a first selecting module 161, a first image layer forming module 162, a first image layer marking module 163, a first image generating module 164, a second selecting module 165, a second image layer forming module 166, a second image layer marking module 167, and a second image generating module 168.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description will be given of embodiments, structures, features and effects of the image marking method and system and the storage medium according to the present invention with reference to the accompanying drawings and preferred embodiments.
As shown in fig. 1, an embodiment of the present invention provides a method for marking an image, including:
101, receiving a video image;
the video image data includes a timing signal of the video image, which can be parsed into three signals of a field sync signal (VS), a line sync signal (HS), and a data strobe signal (DE).
102, analyzing and processing the video image to obtain a flag signal bit corresponding to pixel coordinate information in the video image;
103, generating all image marking layers;
and all the image mark layers are image mark layers with marks in all the pixels.
And 104, synthesizing all the image marking layers and the video image to form an abnormal marking image according to the mark signal position corresponding to the pixel coordinate information.
The image marking method comprises the steps of receiving video images, wherein video image data comprise video image signals and time sequence signals of the video images, analyzing and processing the video images of each frame in real time to obtain a mark signal position corresponding to pixel coordinate information in the video images of each frame, generating all image marking layers, and synthesizing all the image marking layers and the video images according to the mark signal position corresponding to the pixel coordinate information to form abnormal marking images, so that the abnormal images on the video images are marked, an observer can conveniently observe and analyze image contents, and the observer can judge whether the video images are abnormal or not.
To explain the above embodiments in more detail, the embodiment of the present invention further provides another image marking method, as shown in fig. 2,
201, receiving a video image;
the video image data includes a timing signal of the video image, which can be parsed into three signals of a field sync signal (VS), a line sync signal (HS), and a data strobe signal (DE).
202, analyzing and processing the video image to obtain a flag signal position corresponding to the pixel coordinate information in the video image;
203, generating a partial image marking layer according to the mark signal position of the corresponding pixel coordinate information;
and generating a partial image mark layer with image marks on only partial pixels according to the pixel coordinate information.
And 204, synthesizing the partial image marking layer and the video image to form an abnormal marking image.
The image marking method provided by the embodiment of the invention comprises the steps of receiving a video image, carrying out real-time analysis processing on the video image of each frame, obtaining a mark signal position corresponding to pixel coordinate information in the video image of each frame, generating a partial image marking layer according to the mark signal position corresponding to the pixel coordinate information, and synthesizing the partial image marking layer and the video image to form an abnormal marking image, so that the marking of an abnormal picture on the video image is finished, an observer can conveniently observe and analyze the image content, and the observer can judge whether the video image is abnormal or not.
To explain the above embodiments in more detail, the embodiment of the present invention further provides another image marking method, as shown in fig. 3,
301, receiving a video image;
302, determining coordinate information of a plurality of pixels in the video image according to the time sequence information of the video image;
the video image data comprises a time sequence signal of the video image, the time sequence signal of the video image is used for determining the coordinate information of a plurality of pixels in the video image, namely the coordinate information of each pixel in the video image is determined, the coordinate information comprises a line count and a column count, wherein the time sequence signal of the video image can be analyzed into three signals of a field synchronizing signal (VS), a line synchronizing signal (HS) and a data strobe signal (DE), the VS represents the beginning and the end of a frame, the VS is pulled up for a period of time before and after the beginning of the frame and is pulled up again after the end of the frame, namely the VS is low level in an effective interval of the frame, the two frames are high level, the VS is pulled up, the zero clearing can be counted, the next frame is started, the HS is a signal with line counting digit, the HS is not valid data between the two lines, the HS is valid data only when the DE is pulled up, and each clock is transmitted into one pixel, every time DE is pulled up by one clock, a pixel is transmitted, every time DE is pulled up by one clock, the line counting is increased by one, so that the line digit of the pixel is counted according to the pulling up of DE, the pixel is transmitted by one line at a time, DE of one line is continuous, the pulling down of DE indicates that the line is ended, the pulling up is carried out again, the next line is started, the pulling down of DE is carried out, the column counting is increased by one, so that the column digit of the pixel is counted according to the pulling up and pulling down of DE, and the column counting is carried out on the coordinate information of each frame image according to VS, HS and DE control signals to determine the coordinate information.
303, determining whether values of a plurality of pixels in the video image are within a preset range, and if the values of the pixels are not within the preset range, determining that the flag signal bit corresponding to the pixel coordinate information is an abnormal flag signal bit; if the value of the pixel is within a preset range, the mark signal position corresponding to the pixel coordinate information is a normal mark signal position;
and analyzing the values of a plurality of pixels in the video image to obtain a mark signal bit corresponding to the coordinate information of each pixel, wherein the mark signal bit comprises a normal mark signal bit and an abnormal mark signal bit. The method comprises the steps of analyzing and processing a video image to obtain a flag signal bit corresponding to pixel coordinate information in the video image, namely judging whether the value of each pixel in the video image is within a preset range, and if the value of the pixel is not within the preset range, determining that the flag signal bit corresponding to the pixel coordinate information is an abnormal flag signal bit; if the pixel value is within the preset range, the flag signal bit corresponding to the pixel coordinate information is a normal flag signal bit, for example, the luminance information of the video image conforming to the ITU-R-BT601 standard color gamut of the video image is analyzed and detected, the (R, G, B) luminance value L (R, G, B) of each pixel is determined according to the ITU-R-BT601 standard color gamut, and L (R, G, B) × 0.3R + 0.59G +0.11 × B is determined according to a preset threshold L max Judgment, if L (R, G, B)>＝L max If the brightness is abnormal, the brightness marking signal bit of the pixel is an abnormal marking signal bit, the level value of the abnormal marking signal bit should be set to an active level (active high level or active low level can be selected), and the abnormal brightness information of the pixel is indicated. If L (R, G, B)<L max If the brightness is judged to be normal, the brightness marking signal bit of the pixel is a normal marking signal bit, and the level value of the normal marking signal bit is set to be an invalid level; in addition, other values of the pixels may also be analyzed, such as image overexposure/underexposure and/or image focus, etc.
The sign signal bit comprises a normal sign signal bit and an abnormal sign signal bit, the pixel corresponding to the abnormal sign signal bit and/or the pixel corresponding to the abnormal sign signal bit are/is a continuous pixel region, namely at least one pixel adjacent to the pixel corresponding to the normal sign signal bit is a normal sign signal bit, at least one pixel adjacent to the pixel corresponding to the abnormal sign signal bit is an abnormal sign signal bit, and the pixel corresponding to the normal sign signal bit and/or the pixel corresponding to the abnormal sign signal bit are not independent.
304, presetting a marking unit pattern;
as shown in fig. 8, the marking unit pattern may be a square grid, a stripe, a triangular pattern, etc., and may also be drawn by a color with a higher contrast, such as red and white, etc.
The method also comprises the step of storing a plurality of marking unit patterns before receiving the video image, and when the marking unit patterns are preset, the marking unit patterns can be selected according to the abnormal types.
305, forming a layer with the same time sequence as the video image according to the time sequence information of the video image;
and generating a layer through the time sequence information of the video image, so that the time sequence information of the layer is the same as the time sequence information of the original video, and the formed layer is completely the same as and overlapped with the original video image.
306, tiling the marking unit patterns on the pixels of the layers to form all image marking layers, and obtaining coordinate information of a plurality of pixels in all the image marking layers;
as shown in fig. 8, the marking unit patterns are tiled on all pixels on the layer according to the row and column order of the pixels to form an entire image marking layer, and the coordinate information of the plurality of pixels is obtained according to the timing signals of the entire image marking layer, and the manner of determining the coordinate information of the plurality of pixels in the entire image marking layer is the same as the manner of determining the coordinate information of the plurality of pixels in the video image. In the process of tiling, the mark unit pattern is subjected to remainder mapping on each pixel of the layer, coordinate mapping operation F (CoordP, CoordM) is performed on coordinate information CoordP (row, col) of a preset mark unit pattern, and coordinate information CoordM (row ', col') of the preset mark unit pattern in the layer is obtained, wherein the mapping operation F (CoordP, CoordM) is as follows:
in the above equation, (row ', col') is coordinate information of pixels in all image marker layers, (row, col) is coordinate information of marker element patterns, and H, W is the height and width of a preset marker element pattern, respectively,% is a remainder symbol.
307, stacking the pixels corresponding to the abnormal flag bits on the video image on the pixels corresponding to the abnormal flag bits on all the image flag layers according to the coordinate information of the pixels of the video image and the coordinate information of the pixels of all the image flag layers to form an abnormal flag image.
The video image completely corresponds to all the image mark layers, so that the pixels corresponding to the abnormal mark signal positions on the video image are arranged on the pixels corresponding to the abnormal mark signal positions on all the image mark layers in a laminating mode to form an abnormal mark image, the pixels corresponding to the same coordinate information of all the image mark layers on the pixels of the coordinate information of the abnormal mark signal positions on the video image can be arranged on the pixels of the coordinate information of the abnormal mark signal positions on the video image in a laminating mode only according to the coordinate information corresponding to the abnormal mark signal positions, the transparency of the laminating arrangement can be 30%, 50% or 80%, and the like, so that the video image can be displayed, and the abnormal mark can be reflected.
In the embodiment, all image marking layers are formed according to the time sequence information of the video image and the preset marking unit pattern, then the pixels corresponding to the abnormal marking signal bits on all the image marking layers are overlapped with the pixels corresponding to the abnormal marking signal bits on the video image, and the video image of each frame is analyzed and processed in real time according to the method, so that the marking of abnormal pictures on the video image is completed.
To explain the above embodiments in more detail, the embodiment of the present invention further provides another image marking method, as shown in fig. 4,
401, receiving a video image;
402, determining coordinate information of a plurality of pixels in the video image according to the time sequence information of the video image;
video image data comprises a timing signal of a video image, coordinate information of a plurality of pixels in the video image is determined according to the timing signal of the video image, the coordinate information comprises a line count and a column count, wherein the timing signal of the video image can be analyzed into a field synchronizing signal (VS), a line synchronizing signal (HS) and a data strobe signal (DE), the VS represents the beginning and the end of a frame, the VS is pulled up for a period of time before and after the beginning of the frame and is pulled up again after the end of the frame, namely the VS is low level in an effective interval of the frame and is high level between two frames, when the VS is pulled up, the VS is counted to be clear, the next frame begins, the HS is a signal counting line number, the HS is not all valid data between two lines, the HS is valid data only when the DE is pulled up, each clock is transmitted into one pixel when the DE is pulled up, the DE indicates one pixel, and each time DE is pulled up by one clock, the line count is increased by one, so that the line digit of the pixels is counted according to the pulling up of the DE, the pixels are transmitted by one line at a time, the DE of one line is continuous, the pulling down of the DE shows that the line is ended, the pulling up of the DE shows that the next line is started, the pulling down of the DE and the pulling up of the DE increase the column count by one, so that the column digit of the pixels is counted according to the pulling up and pulling down of the DE, and the column count and the row count are carried out on the coordinate information of each frame image according to VS, HS and DE control signals to determine the coordinate information.
403, determining whether values of a plurality of pixels in the video image are within a preset range, and if the values of the pixels are not within the preset range, determining that a flag signal bit corresponding to the pixel coordinate information is an abnormal flag signal bit; if the value of the pixel is within a preset range, the mark signal position corresponding to the pixel coordinate information is a normal mark signal position;
and analyzing the value of each pixel in the video image to obtain a mark signal bit corresponding to the coordinate information of each pixel, wherein the mark signal bit comprises a normal mark signal bit and an abnormal mark signal bit. The method comprises the steps of analyzing and processing a video image to obtain a flag signal bit corresponding to pixel coordinate information in the video image, namely judging whether the value of each pixel in the video image is within a preset range, and if the value of the pixel is not within the preset range, determining that the flag signal bit corresponding to the pixel coordinate information is an abnormal flag signal bit; if the pixel value is within the preset range, the flag signal bit corresponding to the pixel coordinate information is a normal flag signal bit, for example, the luminance information of the video image conforming to the ITU-R-BT601 standard color gamut of the video image is analyzed and detected, the (R, G, B) luminance value L (R, G, B) of each pixel is determined according to the ITU-R-BT601 standard color gamut, and L (R, G, B) × 0.3R + 0.59G +0.11 × B is determined according to a preset threshold L max Judgment, if L (R, G, B)>＝L max When the brightness is abnormal, the brightness marking signal bit of the pixel is an abnormal marking signal bit, and the level value of the abnormal marking signal bit is set to be an active level (active high or active low can be selected) to indicate that the brightness information of the pixel is abnormal. If L (R, G, B)<L max If the brightness is judged to be normal, the brightness marking signal bit of the pixel is a normal marking signal bit, and the level value of the normal marking signal bit is set to be an invalid level; in addition, other values of the pixels may also be analyzed, such as image overexposure, underexposure, and/or image focus, etc.
The sign signal bit comprises a normal sign signal bit and an abnormal sign signal bit, the pixel corresponding to the abnormal sign signal bit and/or the pixel corresponding to the abnormal sign signal bit are/is a continuous pixel region, namely at least one pixel adjacent to the pixel corresponding to the normal sign signal bit is a normal sign signal bit, at least one pixel adjacent to the pixel corresponding to the abnormal sign signal bit is an abnormal sign signal bit, and the pixel corresponding to the normal sign signal bit and/or the pixel corresponding to the abnormal sign signal bit are not independent.
404, presetting a marking unit pattern;
as shown in fig. 8, the marking unit pattern may be a square grid, a stripe, a triangular pattern, etc., and may also be drawn by a color with a higher contrast, such as red and white, etc.
The method also comprises the step of storing a plurality of marking unit patterns before receiving the video image, and when the marking unit patterns are preset, the marking unit patterns can be selected according to the abnormal types.
405, forming a layer with the same time sequence as the video image according to the time sequence information of the video image;
and generating a layer through the time sequence information of the video image, so that the time sequence information of the layer is the same as the time sequence information of the original video, and the formed layer is completely the same as and overlapped with the original video image.
406, tiling the mark unit pattern on the layer corresponding to the pixels of the abnormal mark signal bits, and forming a blank pattern on the layer corresponding to the pixels of the normal mark signal bits to form the partial image mark layer;
as shown in fig. 8, the marking unit patterns are tiled on the layer according to the coordinate information of the pixels of the abnormal flag signal bits, and a blank pattern is formed if the remaining pixels are the areas corresponding to the normal flag signals, so that the pattern formed by tiling and expanding the marking unit patterns and the blank pattern form an image marking layer together.
And 407, stacking the partial image mark layers on the video image to form an abnormal mark image.
The pixel area corresponding to the abnormal mark signal position in the partial image mark layer is provided with a mark unit pattern, and the normal mark signal position area is a blank pattern, so that the partial image mark layer is directly arranged on the video image in a laminated mode, for example, the brightness information of the video image is analyzed and detected, when the mark signal position is in an invalid level, the original video image is output, and the video image is not marked by drawing; and when the flag signal bit is at the effective level, outputting a corresponding image of the image marking layer to finish the drawing of the abnormal marking image. An abnormal mark image having a mark in the abnormal mark signal bit region can be formed, and the transparency of the laminate can be 30%, 50%, 80%, or the like, thereby displaying a video image and displaying an abnormal mark.
In the embodiment, a partial image marking layer with an image only at an abnormal marking signal position is generated through the marking signal position of the pixel coordinate information, the video image time sequence information and a preset marking unit pattern, then the partial image marking layer is directly arranged on the video image in a laminated mode, and the video image of each frame is analyzed and processed in real time according to the method, so that the marking of abnormal pictures on the video image is completed, an observer can conveniently observe and analyze the image content, and the observer can be assisted to judge whether the video image is abnormal or not.
In another aspect, as shown in fig. 5, the present invention further provides an image marking system 10, including:
a receiving unit 12, the receiving unit 12 being configured to receive a video image;
the processing unit 14 is configured to analyze and process the video image to obtain a flag signal bit corresponding to pixel coordinate information in the video image;
a synthesizing unit 16, where the synthesizing unit 16 is configured to generate all image marker layers, and synthesize all image marker layers and the video image according to a flag signal bit corresponding to pixel coordinate information to form an abnormal marker image; or generating a partial image marking layer according to the mark signal position corresponding to the pixel coordinate information, and synthesizing the partial image marking layer and the video image to form an abnormal marking image.
As shown in fig. 5, in this embodiment, the receiving unit 12 receives a video image transmitted via a video interface (HDMI/SDI/DP/DVI or the like) for receiving the video image, the video image data including timing signals of the video image, the timing signals of the video image including VS, HS, and DE. The receiving unit 12 is connected to the processing unit 14 and the synthesizing unit 16, and is configured to transmit the video images to the processing unit 14 and the synthesizing unit 16, respectively, where the processing unit 14 is configured to complete analysis processing on video image pixels one by one clock cycle according to a video image time sequence, and obtain a flag signal bit corresponding to pixel coordinate information in the video image of each frame by performing real-time analysis processing on the video image of each frame, the processing unit 14 is connected to the synthesizing unit 16, and is configured to send the flag signal bit corresponding to the pixel coordinate information to the synthesizing unit 16, and the synthesizing unit 16 is configured to generate all image flag layers, and synthesize all image flag layers with the video images according to the flag signal bit corresponding to the pixel coordinate information to form an abnormal flag image; or the synthesizing unit 16 is configured to generate a partial image marker layer according to the flag signal bit corresponding to the pixel coordinate information, and synthesize the partial image marker layer and the video image to form an abnormal marker image, so as to complete marking of an abnormal picture on the video image, facilitate an observer to observe and analyze image content, and further assist the observer in completing determination of whether the video image is abnormal.
In addition, the data transmission among the units is realized through a pipeline structure, namely the data are transmitted to the next unit after the processing of a plurality of pixels of each frame of video is finished, and the remaining pixels are continuously processed after the transmission is finished, so that the processing delay can be reduced to the greatest extent, and the effect of real-time processing is achieved.
In an embodiment of the present invention, the processing unit 14 includes:
a positioning module 142, where the positioning module 142 is configured to determine coordinate information of a plurality of pixels in the video image according to the timing information of the video image;
a flag signal bit determining module 144, where the flag signal bit determining module 144 is configured to determine whether values of a plurality of pixels in the video image are within a preset range, and if the values of the pixels are not within the preset range, the flag signal bit corresponding to the pixel coordinate information is an abnormal flag signal bit; if the value of the pixel is within a preset range, the mark signal position corresponding to the pixel coordinate information is a normal mark signal position;
the flag signal bits comprise normal flag signal bits and abnormal flag signal bits, a plurality of pixels corresponding to the normal flag signal bits and/or a plurality of pixels corresponding to the abnormal flag signal bits are continuous pixel regions, and the video image data comprises time sequence information of video images.
In this embodiment, the processing unit 14 includes a positioning module 142 and a flag bit determining module 144, the positioning module 142 and the flag bit determining module 144 are respectively connected to the receiving unit 12, and receive the video image, the positioning module 142 determines coordinate information of a plurality of pixels in the video image according to timing information of the video image, the coordinate information includes a line count and a column count, wherein the timing signal of the video image can be analyzed as three signals of a field synchronization signal (VS), a line synchronization signal (HS) and a data strobe signal (DE), the VS indicates a start and an end of a frame, the VS is pulled up for a period of time before and after the start of the frame, the VS is pulled up again after the end of the frame, i.e., the period of time is low during an active interval of the frame, the period of time is high between two frames, the count is cleared when the VS is pulled up, the next frame is about to start, the HS is a signal counting line bits, the HS is not all valid data between two lines, the HS is effective data only when the DE is pulled up, each clock is transmitted into a pixel, each time DE is pulled up by one clock, one pixel is transmitted, each time DE is pulled up by one clock, the line count is increased by one, therefore, the line digit of the pixel is counted according to the pulling up of the DE, the pixel is transmitted by one line at a time, the DE of one line is continuous, the DE is pulled down to indicate that the line is ended, the next line is started when the DE is pulled up again, the line count is increased after the DE is pulled down and then pulled up, the line digit of the pixel is counted according to the pulling up and pulling down of the DE, and then the line count is carried out on the coordinate information of each frame image according to VS, HS and DE control signals to determine coordinate information.
The flag signal bit determining module 144 is connected to the positioning module 142, and is configured to receive the coordinate information of the multiple pixels in the video image determined by the positioning module 142, where the flag signal bit determining module 144 is configured to determine whether a value of each pixel in the video image is within a preset range, and if the value of the pixel is not within the preset range, determine that a flag signal bit corresponding to the pixel coordinate information is an abnormal flag signal bit; and if the value of the pixel is within a preset range, determining that the mark signal bit corresponding to the pixel coordinate information is a normal mark signal bit. For example, the luminance information of a video image conforming to the ITU-R-BT601 standard color gamut is analyzed and detected, the (R, G, B) luminance value L of each pixel is determined according to the ITU-R-BT601 standard color gamut, and L (R, G, B) ═ 0.3 × R +0.59 × G +0.11 × B, and it is determined according to a preset threshold Lmax, and if L (R, G, B) > is Lmax, it is determined that the luminance is abnormal, the luminance flag signal bit of the pixel is an abnormal flag signal bit, and the level value of the abnormal flag signal bit should be set to an active level (active high or active low is selected) to indicate that the luminance information of the pixel is abnormal. If L (R, G, B) < Lmax, then the brightness is determined to be normal, the brightness marking signal bit of the pixel is a normal marking signal bit, and the level value of the normal marking signal bit should be set to an invalid level; in addition, other values of the pixels may also be analyzed, such as image overexposure/underexposure and/or image focus, etc.
As shown in fig. 6, in the embodiment of the present invention, the synthesis unit 16 includes:
a first selection module 161 for presetting a marking unit pattern;
a first layer forming module 162, where the first layer forming module 162 is configured to form a layer with a same time sequence as the video image according to the time sequence information of the video image;
a first layer marking module 163, where the first layer marking module 163 is configured to tile the marking unit patterns on the pixels of the layers to form all image marking layers;
a first image generating module 164, where the first image generating module 164 is configured to determine coordinate information of a plurality of pixels in all image marker layers, and to set, according to the coordinate information of the plurality of pixels in the video image and the coordinate information of the plurality of pixels in all image marker layers, the pixels corresponding to the abnormal marker bits on all image marker layers in a pixel stacking manner on the video image, so as to form an abnormal marker image.
In this embodiment, the synthesizing unit 16 includes a first selecting module 161, a first layer forming module 162,
The first image layer marking module 163 and the first image generating module 164, and the first selecting module 161 is configured to preset a marking unit pattern, as shown in fig. 8, the marking unit pattern may be a square grid, a stripe, a triangle pattern, and the like, and the marking unit pattern may also be selectively drawn by a color with a higher contrast, such as red and white. The first layer forming module 162 is connected to the receiving unit 12, and configured to receive a video image, perform row and column counting according to timing information of the video image, and form a layer with the same timing as the video image, so that the formed layer completely coincides with an original video image, the first layer marking module 163 is respectively connected to the first selecting module 161 and the first layer forming module 162, receive a marking unit pattern and the layer, and is configured to tile the marking unit pattern on each pixel of the layer, perform a remainder mapping on the marking unit pattern on each pixel of the layer in the process of the tiling, perform a coordinate mapping operation F (CoordP, CoordM) on coordinate information CoordP (row, col) of the marking unit pattern, obtain coordinate information CoordM (row ', col') of the marking unit pattern in the layer, and perform the mapping operation F (CoordP, CoordM) as follows:
in the above formula, (row ', col') is coordinate information of pixels in the abnormal image mark layer, (row, col) is coordinate information of a preset mark unit pattern, H, W is height and width of the preset mark unit pattern, respectively,% is a surplus symbol, thereby forming all image mark layers, the first image generation module 164 is connected with the first layer mark module 163, the positioning module 142 and the mark signal position determination module 144, respectively, receives coordinate information of each pixel in all image mark layers and the video image and coordinate information of a pixel corresponding to the non-mark signal position, and is configured to determine coordinate information of each pixel in all image mark layers according to timing information of all image mark layers, and set a pixel stack corresponding to the non-normal mark signal position on the video image on all image mark layers according to the coordinate information of each pixel in the video image and the coordinate information of each pixel in all image mark layers Pixels of the signal bits to form an anomaly marking image. Therefore, pixels corresponding to the same coordinate information of all image marker layers can be arranged on the pixels of the video image, which are positioned on the coordinate information of the abnormal marker signal bits, in a stacking manner only according to the coordinate information of the corresponding abnormal marker signal bits, wherein the transparency of the stacking arrangement can be 30%, 50% or 80%, and the like, so that the video image can be displayed, and the abnormal markers can be embodied.
As shown in fig. 7, in the embodiment of the present invention, the synthesis unit 16 includes:
a second selection module 165 for presetting a pattern of marking cells;
a second layer forming module 166, where the second layer forming module 166 is configured to form a layer with the same time sequence as the video image according to the time sequence information of the video image;
a second layer marking module 167, where the second layer marking module 167 is configured to tile the marking unit pattern on the layer corresponding to the pixels of the abnormal flag signal bits, and form a blank pattern on the layer corresponding to the pixels of the normal flag signal bits to form the partial image marking layer;
a second image generating module 168, where the second image generating module 168 is configured to set the partial image mark layer on the video image in a stacking manner to form an abnormal mark image.
In this embodiment, the synthesizing unit 16 includes a second selecting module 165, a second layer forming module 166, a second layer marking module 167, and a second image generating module 168, where the second selecting module 165 is configured to preset a marking unit pattern, the marking unit pattern may be a square grid, a stripe, a triangular pattern, and the like, and the marking unit pattern may also be selectively drawn by a color with higher contrast, such as red and white. The second layer forming module 166 is connected to the receiving unit 12, and is configured to receive a video image, perform row-column counting according to timing information of the video image, and form a layer having the same timing as the video image, so that the formed layer completely coincides with an original video image, the second layer marking module 167 is connected to the second selecting module 165, the second layer forming module 166, and the flag signal position determining module 144, and is configured to receive coordinate information of pixels corresponding to a marking unit pattern, the layer, and a non-flag signal position, and is configured to tile the marking unit pattern corresponding to the pixel of the non-normal flag signal position on the layer, and form a blank pattern corresponding to the pixel of the normal flag signal position on the layer, so as to form the partial image marking layer. In the process of tiling, mark unit patterns on pixels corresponding to abnormal flag signal bits on a layer to perform remainder mapping, and perform coordinate mapping operation F (CoordP, CoordM) on coordinate information CoordP (row, col) of the unit patterns to obtain coordinate information CoordM (row ', col') in the layer, where the mapping operation F (CoordP, CoordM) is as follows:
in the above equation, (row ', col') is coordinate information of pixels in the abnormal image mark layer, (row, col) is coordinate information of a preset mark unit pattern, H, W is height and width of the preset mark unit pattern, respectively,% is a surplus symbol, thereby forming a partial image mark layer, and the second image generation module 168 is connected to the second layer mark module 167 and the receiving unit 12, respectively, and is configured to set a partial image mark layer on a video image in a stacked manner, so as to form an abnormal mark image. For example, the brightness information of the video image is analyzed and detected, when the flag signal bit is at an invalid level, the original video image is output, and the video image is not marked; and when the flag signal bit is at the effective level, outputting a corresponding image of the image marking layer to finish the drawing of the abnormal marking image. An abnormal mark image having a mark in the abnormal mark signal bit region can be formed, and the transparency of the laminate can be 30%, 50%, 80%, or the like, thereby displaying a video image and displaying an abnormal mark.
In yet another aspect, the invention also provides a display device comprising a display and a marking system for an image as described above. Thus comprising all the technical features of the marking system of the image as described before and having all the advantageous technical effects of the marking system of the image. The image marking system provided by the invention is designed based on a logic chip (FPGA/ASIC and the like), and the display equipment further comprises a display terminal which is connected with the image marking system and used for transmitting an abnormal marking image to the display terminal (TCON chip of LCD/OLED) from an internal interface (LVDS/eDP and the like) to complete a display function, so that an observer can conveniently observe and analyze the image content, and the observer can be assisted to judge whether the video image is abnormal or not, wherein the display terminal can be a monitor and the like.
In yet another aspect, embodiments of the present invention further provide a computer system, which includes a memory and one or more processors, the memory is coupled to the processors, and the processors are configured to execute program instructions stored in the memory, and the program instructions execute the method for marking an image described above. In still another aspect, an embodiment of the present invention further provides a storage medium, where the storage medium includes a stored program, and when the program runs, a device in which the storage medium is located is controlled to execute the image marking method described above.
The memory may include volatile memory in a computer readable medium, Random Access Memory (RAM) and/or nonvolatile memory such as Read Only Memory (ROM) or flash memory (flash RAM), and the memory includes at least one memory chip.
The embodiment of the invention provides a storage medium, which comprises a stored program, wherein when the program runs, a device where the storage medium is located is controlled to execute the image marking method.
Wherein the storage medium is a computer program product adapted to perform the above-mentioned method of marking an image when executed on a data processing device.
With the above description of embodiments, it will be apparent to those skilled in the art that the embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In a typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include forms of volatile memory in a computer readable medium, Random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). The memory is an example of a computer-readable medium.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (11)
1. A method of marking an image, comprising:
receiving a video image;
analyzing and processing the video image to obtain a mark signal position corresponding to the pixel coordinate information in the video image;
generating all image marking layers, and synthesizing all the image marking layers and the video image to form an abnormal marking image according to a mark signal position corresponding to pixel coordinate information; or generating a partial image marking layer according to a mark signal position corresponding to pixel coordinate information, and synthesizing the partial image marking layer and the video image to form an abnormal marking image;
the generating all image marker layers comprises:
presetting a marking unit pattern;
generating all image marking layers according to the time sequence information of the video image and the marking unit patterns, and obtaining coordinate information of a plurality of pixels in all the image marking layers;
the generating all image marking layers according to the timing information of the video image and the marking unit patterns comprises:
forming a layer with the same time sequence as the video image according to the time sequence information of the video image;
tiling the marking unit patterns on the pixels of the layers to form all image marking layers;
the generating of the partial image mark layer according to the mark signal position of the corresponding pixel coordinate information includes:
presetting a marking unit pattern;
forming a layer with the same time sequence as the video image according to the time sequence information of the video image;
and tiling the marking unit patterns on the pixels corresponding to the abnormal mark signal positions on the layer, and forming blank patterns on the pixels corresponding to the normal mark signal positions on the layer so as to form the partial image marking layer.
2. The method according to claim 1, wherein the analyzing the video image to obtain the flag signal bits of the corresponding pixel coordinate information in the video image comprises:
determining coordinate information of a plurality of pixels in the video image according to the time sequence information of the video image;
judging whether the values of a plurality of pixels in the video image are within a preset range, if not, determining that the flag signal bit corresponding to the pixel coordinate information is an abnormal flag signal bit; if the value of the pixel is within a preset range, the mark signal position corresponding to the pixel coordinate information is a normal mark signal position;
the flag signal bits comprise normal flag signal bits and abnormal flag signal bits, a plurality of pixels corresponding to the normal flag signal bits and/or a plurality of pixels corresponding to the abnormal flag signal bits are continuous pixel regions, and the video image data comprises time sequence information of video images.
3. The method according to claim 2, wherein the synthesizing all image marker layers with the video image according to the flag signal bits corresponding to the pixel coordinate information to form an abnormal marker image comprises:
and setting the pixels corresponding to the abnormal mark signal bits on all the image mark layers in a stacking manner according to the coordinate information of the pixels of the video image and the coordinate information of the pixels of all the image mark layers so as to form an abnormal mark image.
4. The method for labeling images according to claim 1, wherein the synthesizing the partial image label layer with the video image to form an abnormal label image comprises:
and overlapping the partial image mark layers on the video image to form an abnormal mark image.
5. A system for marking an image, comprising:
a receiving unit for receiving a video image;
the processing unit is used for analyzing and processing the video image to obtain a mark signal position of corresponding pixel coordinate information in the video image;
the synthesizing unit is used for generating all image marking layers and synthesizing all the image marking layers and the video image according to the mark signal positions corresponding to the pixel coordinate information to form an abnormal marking image; or, generating a partial image marking layer according to a mark signal position corresponding to pixel coordinate information, and synthesizing the partial image marking layer and the video image to form an abnormal marking image;
the synthesis unit includes:
a first selection module for presetting a marking unit pattern;
the first layer forming module is used for forming a layer with the same time sequence as the video image according to the time sequence information of the video image;
the first layer marking module is used for tiling the marking unit patterns on the pixels of the layers to form all the image marking layers; or
The synthesis unit includes:
a second selected module for presetting a pattern of marking units;
the second layer forming module is used for forming a layer with the same time sequence as the video image according to the time sequence information of the video image;
and the second layer marking module is used for tiling the marking unit patterns on the pixels corresponding to the abnormal mark signal positions on the layer, and forming blank patterns on the pixels corresponding to the normal mark signal positions on the layer so as to form the partial image marking layer.
6. The system for marking images according to claim 5, characterized in that said processing unit comprises:
the positioning module is used for determining coordinate information of a plurality of pixels in the video image according to the time sequence information of the video image;
the flag signal bit determining module is used for judging whether the values of a plurality of pixels in the video image are within a preset range, and if the values of the pixels are not within the preset range, the flag signal bit corresponding to the pixel coordinate information is an abnormal flag signal bit; if the value of the pixel is within a preset range, the mark signal position corresponding to the pixel coordinate information is a normal mark signal position;
the flag signal bits comprise normal flag signal bits and abnormal flag signal bits, a plurality of pixels corresponding to the normal flag signal bits and/or a plurality of pixels corresponding to the abnormal flag signal bits are continuous pixel regions, and the video image data comprises time sequence information of video images.
7. A marking system of an image according to claim 6,
and the first image generation module is used for determining coordinate information of a plurality of pixels in all the image mark layers, and setting the pixels corresponding to the abnormal mark signal positions on all the image mark layers in a pixel stacking manner on the video image according to the coordinate information of the pixels of the video image and the coordinate information of the pixels of all the image mark layers so as to form an abnormal mark image.
8. The system for marking an image according to claim 6,
and the second image generation module is used for setting the partial image mark layers on the video image in a stacking manner so as to form an abnormal mark image.
9. A display device, characterized in that it comprises a display and a marking system of images according to any one of claims 5 to 8.
10. A computer system, comprising:
a memory coupled to the processor and one or more processors configured to execute program instructions stored in the memory which when executed perform the method of tagging images of any of claims 1 to 4.
11. A storage medium, characterized in that the storage medium comprises a stored program, wherein when the program runs, a device in which the storage medium is located is controlled to execute the marking method of the image according to any one of claims 1 to 4.
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