KR101666616B1 - The method of image processing by color mapping and the system and image display terminal with the fuction of image processing by color mapping and computer program with the fuction of image processing by color mapping - Google Patents
The method of image processing by color mapping and the system and image display terminal with the fuction of image processing by color mapping and computer program with the fuction of image processing by color mapping Download PDFInfo
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Abstract
(A) a radiographing apparatus radiates a body permeability radiating ray, captures an image including physical quantity information formed as a result of irradiation of the radiating ray, and stores physical quantity information included in the image in a color Generating a mapped color mapping layer and providing the image and a color mapping layer; (b) an image output terminal receives the image and a color mapping layer from the image photographing device, and outputs the image to a display, wherein the process of calculating physical quantity information for the image is performed by storing the color mapping table information, According to the received color mapping layer information; And an image processing method using color mapping. According to the present invention, various kinds of information processing on an ultrasound image are interrelated and processed on a color mapping layer, so that it is possible to provide an image output terminal with a different type of image processing apparatus, An image processing method using a color mapping that enables simple, accurate, and rapid image information processing without causing compatibility problems with an ultrasound device, an image processing system using color mapping, and an image outputting function including an image processing function using color mapping And a computer program including an image processing function through color mapping.
Description
The present invention relates to an image processing method through color mapping, an image processing system through color mapping, an image output terminal including an image processing function through color mapping, and a computer program including an image processing function through color mapping, The present invention relates to an image processing apparatus and an image processing method which enable various information processing on an ultrasound image to be interlocked and processed on a color mapping layer, An image processing method using color mapping, an image processing system using color mapping, and an image processing function using color mapping are included so that the calculation of physical quantity information can be performed quickly and accurately without causing compatibility problems with an ultrasound device, Through video output terminal and color mapping And a computer program including an image processing function.
The present invention relates to a processing method for an ultrasound image, a system thereof, and the like.
Means for irradiating radiation such as X-rays, ultrasound waves, radiation, etc., capturing an image by the radiation, and calculating physical quantity information and the like of the irradiation result of the radiation included in the image, Only the header information for each frame is inserted by inserting the header information including the header information.
For example, the ultrasound image including the Adams information of the ultrasound image is captured by the ultrasound imaging apparatus, and then transmitted to a medical care terminal such as a doctor. At this time, the physical quantity information for each point of each frame included in the image, And the image file including the header information is transmitted to the video output terminal. In the video output terminal, calculation of the physical quantity information is performed using a separately installed program using the video file including the header information Processing is performed.
In particular, recently, in order to confirm and diagnose an ultrasound image while generalization of a portable terminal is popularized and a doctor or the like is not restricted to a place, an ultrasound image photographed by the ultrasound device is transmitted to the portable terminal, Is being provided.
However, as a first method for receiving an ultrasound image from a ultrasound device at a remote terminal and displaying the ultrasound image to a user and controlling the ultrasound device in response to a user's input, the remote terminal displays information including the image transmitted by the ultrasound device You must know the parameter name, the parameter value, the operation command of the parameter, and the position and size of the object graphically displaying the parameter. As a second method, when an ultrasound device sends an ultrasound image, a parameter name representing the information contained in the image, a parameter value, an operation command of the parameter, a position and a size of the object graphically displayed are received They must be interpreted in real time. The third method is to have a separate keyboard with software or hardware to control the ultrasonic device.
At this time, the remote terminal has to set the parameter name for displaying the information of the ultrasound image, the parameter value, the operation command of the parameter, the position and the size of the object graphically displaying the parameters, There is a presence. In addition, there is a problem that the test scope that must be performed every time a new version is installed must involve considerable effort because it must include the existing version.
In addition, it requires real-time analysis of parameter names, parameter values, parameter manipulation instructions, and the position and size of objects that graphically display the parameters, and based on this information, additional information needs to be calculated, thus affecting the performance of displaying ultrasound images There is a problem that the remote terminal requires a separate keyboard or the like as software or hardware for each kind and version of the supported ultrasonic device.
The background art of the present invention is disclosed in Korean Patent Laid-Open Publication No. 10-2009-0095150 and the like, but a solution to the above-mentioned problem is not presented.
According to an aspect of the present invention, there is provided a color mapping method for generating a color mapping layer in which an image including physical quantity information formed as a result of a survey line is color-mapped according to predetermined color mapping table information, And various pieces of information processing on the ultrasound image are interlinked and processed on the color mapping layer by causing the calculation processing of the physical quantity information about the image outputted to the display to be performed in accordance with the color mapping table information and the information of the color mapping layer, It is possible to provide a color image processing device capable of easily, accurately and promptly processing image information without any compatibility problems for different kinds of ultrasonic devices without attaching to separate programs or operating means in the image output terminal, Video through mapping An image processing system, an image processing system through color mapping, an image output terminal including an image processing function through color mapping, and a computer program including an image processing function through color mapping.
It is another object of the present invention to provide a color mapping method and a color mapping method for performing distance calculation for two points on an image without causing compatibility problems with different types of ultrasound devices, An image processing method using color mapping, a color mapping mapping image processing system, a color mapping mapping image processing function, and a color mapping image processing function. It is to provide the program.
According to an aspect of the present invention for achieving the above object, the present invention provides an image capturing apparatus, comprising: (a) an image capturing device for capturing an image including physical quantity information formed as a result of irradiation of a body permeability check line, Generating a color mapping layer in which physical quantity information included in an image is color-mapped according to predetermined color mapping table information, and providing the image and a color mapping layer; (b) an image output terminal receives the image and a color mapping layer from the image photographing device, and outputs the image to a display, wherein the process of calculating physical quantity information for the image is performed by storing the color mapping table information, According to the received color mapping layer information; .
At this time, the color mapping table information in the step (a) is set so that color bands of different colors are allocated to the physical quantity information for each predetermined variation amount, and the color mapping layer sets the color mapping table information according to the color mapping table information And a color band having a predetermined width is formed along the predetermined reference direction on the image.
In addition, the image provided in the step (a) is characterized in that header information is excluded.
In the calculating of the physical quantity information for the image in the step (b), a physical quantity information value for each of the pixels selected from the pixels constituting the image is calculated.
The step (b) may further include the step of calculating a difference value of the physical quantity information between two adjacent pixels among the pixels constituting the image, and the difference value between the adjacent two pixels may include a difference value The first reference point being a point on the color mapping layer corresponding to any one of the pixels constituting the color mapping layer, the first reference point being a first color band, which is one of the color bands of the color mapping layer, A first 1-1 sub reference point, which is a point tangent to a boundary line between adjacent color bands on one side along the reference direction, or a 1-2 second reference point, which is a point tangent to a boundary line between adjacent color bands on the other side, One reference point is defined by a second color band, which is a color band other than the first color band, and a second color band, which is a color band other than the first color band, A second-1 sub reference point, which is a point tangent to the boundary line of the first color band, or a second -2 sub reference point, which is a pixel tangent to the boundary line with the adjacent color band on the other side, The difference value of the physical quantity information values allocated to the second color band is set to the shortest distance between the first-first sub-reference point and the second-first sub-reference point or the shortest distance between the first- And the number of pixels on the image included in the shortest distance between the pixels.
According to another aspect of the present invention, there is provided a method of measuring a physical quantity of a subject, comprising the steps of: radiating a body permeability radiation and capturing an image including physical quantity information formed as a result of irradiation of the radiation; A color mapping layer in which color mapping is performed in accordance with predetermined color mapping table information to provide the image and the color mapping layer; And a controller for receiving the image and color mapping layer from the image capturing apparatus and outputting the image to a display, wherein the process of calculating physical quantity information for the image is performed based on the stored color mapping table information and the information of the color mapping layer A video output terminal to be operated according to the video signal; .
In this case, the color mapping table information is pre-set so that color bands of different colors are allocated to the physical quantity information according to a predetermined variation amount, and the color mapping layer performs color mapping based on the color mapping table information, And a color band having a predetermined width is formed along the direction.
In addition, the image provided in the image photographing apparatus is characterized in that header information is excluded.
The calculation of the physical quantity information for the image may be performed by calculating a physical quantity information value for each of at least one of pixels constituting the image.
The image output terminal may calculate a difference value of physical quantity information between two adjacent pixels among the pixels constituting the image, and the difference value between the adjacent two pixels with respect to the physical quantity information may be any of the pixels constituting the image, The first reference point is defined as a first reference point, which is a point on the color mapping layer corresponding to one pixel, and a first color band, which is one of the color bands of the color mapping layer, , A first 1-1 sub reference point as a point tangent to a boundary line between adjacent color bands or a 1-2 second reference point as a point tangent to a boundary line between adjacent color bands on the other side, A boundary between a second color band that is a color band other than the first color band and a color band adjacent to the first color band along the reference direction among color bands of the color mapping layer, And a second-2 sub reference point, which is a point tangent to the boundary line with the adjacent color band on the other side, and outputs the physical quantity value assigned to the first color band and the second color sub- The difference value of the physical quantity values assigned to the band is set to the shortest distance between the first-first sub-reference point and the second-first sub-reference point or the shortest distance between the first- Is divided by the number of pixels on the image included in the image.
According to another aspect of the present invention, there is provided an image processing method, including: capturing an image including a physical quantity information formed as a result of an examination of a body permeability radiation; A color mapping layer for performing color mapping in accordance with the table information, and outputting the image to a display, wherein the process of calculating physical quantity information for the image is performed by using the stored color mapping table information and the information of the color mapping layer In accordance with the present invention.
In this case, the color mapping table information is pre-set so that color bands of different colors are allocated to the physical quantity information according to a predetermined variation amount, and the color mapping layer performs color mapping based on the color mapping table information, And color mapped so that a color band having a predetermined width is formed along the direction.
In addition, header information is excluded from the provided image.
The calculation of the physical quantity information for the image may be performed by calculating a physical quantity information value for each of one or more pixels constituting the image.
The difference value of the physical quantity information between two adjacent pixels among the pixels constituting the image is calculated and the difference value of the physical quantity information between the adjacent two pixels is calculated as the difference value between any one of the pixels constituting the image The first reference point being a first reference point that is a point on the color mapping layer, a first color band that is one of the color bands of the color mapping layer, and a second color band that is adjacent to the first color band, A first 1-2 sub reference point which is a point tangent to a boundary line of the color mapping layer or a first 1-2 sub reference point which is a point tangent to a boundary line with an adjacent color band on the other side is set, A second color band which is a color band other than the first color band and a second color band which is a point contacting the boundary line between the adjacent color band and the reference direction, A second reference point, which is a point of contact with a border between the first color band and the second color band, Is the shortest distance between the first 1-1 sub reference point and the second -1 sub reference point or the shortest distance between the first 1-2 sub reference point and the 2nd -2 sub reference point, .
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As described above, according to the present invention, various kinds of information processing on an ultrasound image are interlocked and processed on a color mapping layer, and thus, despite the heterogeneity of the image capturing apparatus and the operating system, Image processing method using color mapping, image processing system using color mapping, and image processing function through color mapping, which enables easy, accurate and quick image information processing without any compatibility problems with different kinds of ultrasonic devices without mounting And a computer program including an image processing function through color mapping.
In addition, according to the present invention, distance calculation to two points on an image is performed on a color mapping layer, so that compatibility problems with respect to different types of ultrasound devices and the like are avoided, A computer program including an image processing method using color mapping so that measurement can be accurately performed, an image processing system using color mapping, an image output terminal including image processing function through color mapping, and an image processing function using color mapping .
1 is an exemplary view of an ultrasound image captured and provided by an ultrasound imaging apparatus.
2 is an exemplary diagram of general ultrasound image data including header information.
3 is a block diagram illustrating an image processing method using color mapping according to the present invention and its system.
4 is an exemplary view of color mapping table information.
5 is an exemplary diagram of a color mapping layer.
FIG. 6 is a schematic flowchart of an image processing method using color mapping according to the present invention.
FIG. 7 is a flowchart for calculating the difference value of the physical quantity information between two adjacent pixels.
8 is a flow chart for calculating the difference value of the physical quantity information between the two selected pixels.
9 and 10 are flowcharts illustrating an example of a method of calculating a difference value of physical quantity information between two adjacent pixels based on an arbitrary one pixel.
Figs. 11 and 12 are specific explanatory views of Figs. 9 and 10, respectively.
13 is a flowchart illustrating an example of a method of calculating a difference value between physical quantities between two adjacent pixels based on two arbitrary pixels.
FIG. 14 is an explanatory view showing a specific example according to the flowchart of FIG. 13; FIG.
BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention, and the manner of achieving them, will be apparent from and elucidated with reference to the embodiments described hereinafter in conjunction with the accompanying drawings.
The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. To fully disclose the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.
FIG. 1 is an exemplary view of an ultrasound image captured and provided by an ultrasound imaging apparatus, FIG. 2 is an exemplary view of general ultrasound image data including header information, FIG. 3 is a view A processing method thereof, and a block diagram of the system.
FIG. 5 is a schematic diagram of a color mapping layer, FIG. 6 is a schematic flowchart of a method of processing an image through color mapping according to the present invention, and FIG. FIG. 8 is a flow chart for calculating the difference value of physical quantity information between two selected pixels. FIG.
9 and 10 are flowcharts for illustrating an example of a method of calculating a difference value of physical quantity information between two adjacent pixels on the basis of a certain pixel, and FIGS. 11 and 12 are flowcharts Fig.
FIG. 13 is a flowchart for showing an example of a method for calculating a difference value between physical quantities between two adjacent pixels on the basis of two arbitrary pixels, FIG. 14 is a view for explaining a specific example according to the flowchart of FIG. 13 to be.
Hereinafter, an image processing method based on color mapping will be described first, an image processing system based on color mapping, an image output terminal including an image processing function through color mapping, and a color mapping The computer program including the image processing function through the image processing function will be described in order.
color
Mapping
Image processing method through
The image processing method using color mapping according to a preferred embodiment of the present invention is a method of image processing in which the image photographing apparatus 100 irradiates a body permeability radiation line and photographs an image including physical quantity information formed as a result of irradiation of the radiation line, (A) generating a color mapping layer by color mapping the included physical quantity information according to predetermined color mapping table information and providing the image and a color mapping layer; And outputting the image to the display, wherein the process of calculating the physical quantity information for the image is performed according to the stored color mapping table information and the information of the color mapping layer provided (b).
That is, in the image processing method using color mapping according to the present invention, the image capturing apparatus 100 for radiating any body permeability radiation such as X-ray, ultrasound, And a color mapping layer in which a physical quantity information included in the photographed image is color-mapped in accordance with preset color mapping table information, And providing the image and the color mapping layer (step (a)).
Then, the
More specifically, in the step (a), the image capturing apparatus 100 irradiates a radiation and captures an image including the physical quantity information formed as a result of the inspection, wherein the physical quantity information included in the image Create and provide a color mapping layer with color mapping of information.
At this time, the color mapping table information is preliminarily set and stored according to the characteristics of the radiation, that is, when the radiation is X-ray, ultrasonic wave, radiation, or the like, A color mapping layer is created according to the color mapping table information in which the physical quantity information included in the image is stored, and the color mapping layer is provided to the
At this time, the data of the provided image may be provided with the header information of the physical quantity information included in the photographed image being excluded.
That is, in the image photographing device, only the image data of the photographed image itself is provided to the
The color mapping layer may be generated to have coordinates corresponding to coordinates on the photographed image screen.
In step (b), the
At this time, the color mapping table information is stored in the
That is, the image output terminal outputs only the image provided to the display, and the physical quantity information calculation process for the selected point on the image input through the display is performed in accordance with the stored color mapping table information and the information of the color mapping layer Only the image excluding the physical quantity information is excluded from the image data including the enormous amount of data by including the existing header information, and the selected point on the image output to the display, the physical quantity The information calculation processing is performed according to the color mapping table information and the color on the color mapping layer at a point corresponding to the selected point.
This avoids the problems such as various buffering occurring in the physical quantity calculation processing by the image data itself, which is made up of a huge amount of data including the header information, and delays occurring in calculating the result value.
In this case, the color mapping table information in the step (a) is preset table information so that color bands of different colors are allocated to the physical quantity information for each predetermined amount of change, and the color mapping layer sets the color mapping table information according to the color mapping table information And a color band having a predetermined width is formed along the predetermined reference direction on the image.
The generation of the color mapping layer is performed according to the color mapping table information, and is set such that color bands of different colors are allocated to the physical quantity information for each predetermined variation amount.
In addition, the color mapping layer is formed so as to form a color band having a predetermined width along a predetermined reference direction on the image.
At this time, the reference direction will be set in a direction suitable for measuring the change direction of the physical quantity information or the change quantity of the specific physical quantity information as a result of the survey of the radiation.
The calculating process of the physical quantity information for the image in the step (b) may include calculating the physical quantity information value of a specific point on the image outputted to the display, that is, the physical quantity information value of the specific pixel, A difference value to a value, and the like, and calculation processing for information calculated from an X-ray imaging, an ultrasound imaging, or a bone density imaging image.
The display of the video output terminal in the present invention is preferably configured by a touch screen method.
That is, when the image and the color mapping layer are received and only the image is output to the display, when a specific point, i.e., a physical quantity information value calculation signal at a specific pixel is input by the user, The physical quantity value of the previously stored color mapping table information corresponding to the color of the corresponding point is calculated as the physical quantity information value for the specific pixel.
In other words, the image processing method using color mapping according to the present invention can be performed by using only the image file excluding the provided header information, the color mapping layer and the pre-stored color mapping table information, The physical quantity information calculation processing for each point included in the image becomes possible.
In addition, header information including enormous amount of data causing problems such as computation delay, buffering and the like is excluded from the image and simply replaced with a color mapping layer, thereby improving the compatibility between the video output terminal and the image capturing apparatus, So that the process of calculating the physical quantity information can be performed quickly.
The step (b) may further include a step of calculating a difference value of physical quantity information between two adjacent pixels among the pixels constituting the image.
The calculation of the difference value of the physical quantity information between the adjacent two pixels among the pixels constituting the display on which the image is output, that is, the inter-pixel physical quantity difference value, may be performed at two spaced apart points, The difference between the two spaced pixels is multiplied by the difference value of the physical quantity information between the adjacent two pixels to calculate the difference value of the physical quantity between the two pixels.
At this time, since each pixel constituting the display of the video output terminal will have position coordinates on a display on the display, as in a general display, since the distance between the two spaced pixels is equal to the distance between the pixels Position coordinates can be calculated by applying Pythagorean theorem and the like.
Hereinafter, the difference value calculation method for the physical quantity information between the adjacent two pixels will be described in detail.
The difference value calculation method for the physical quantity information between the adjacent two pixels may be calculated based on any one of the pixels constituting the image output to the display or may be calculated using two or more arbitrary or selected pixels .
First, a method of calculating a difference value between the adjacent two pixels based on any one of the pixels constituting the image output to the display will be described.
First, a first reference point, which is a point on the color mapping layer, corresponding to one of pixels constituting the image is set.
The first reference point may be a first reference point, which is a first color band, which is one of the color bands of the color mapping layer, and a second color band that is in contact with a boundary line of the color band adjacent to the first reference point, A first 1-2 sub reference point which is a pixel tangent to a 1-1 second sub reference point or a boundary line between adjacent color bands on the other side is set.
In this case, the reference direction may be a direction orthogonal to a direction in which color bands of the color mapping layer are formed.
That is, the first reference point is contacted with the first 1-1 second reference point, which is a point contacting the boundary line between the first color band and the adjacent color band along the reference direction, or the boundary line between the first color band and the
In this case, it is preferable that the 1-1 second sub-reference point to the 1-2 sub-reference point are included in the first color band and are set so as to be in contact with the boundary line with the adjacent color band.
The first reference point is connected to a second color band, which is a color band other than the first color band, of the color band of the color mapping layer and a second color band that is adjacent to a boundary line between the
In this case, it is also preferable that the 2 < rd > -1 sub reference point to the 2 < 2 > sub reference points are included in the second color band and are in contact with the boundary line between adjacent color bands.
Finally, a difference value between the physical quantity information value allocated to the first color band and the physical quantity information value allocated to the second color band is set to the shortest distance between the first sub-reference point and the second- A difference value between the adjacent two pixels is calculated by calculating a value divided by the number of pixels on the image included in the shortest distance between the first and second sub reference points.
Next, a method for calculating a difference value between physical quantities of information between two adjacent pixels will be described using a method of calculating an output image on the display using any or two selected pixels.
Hereinafter, for convenience of explanation, the image photographing apparatus will be described as an example of an ultrasound image photographing apparatus (refer to FIG. 13 to FIG. 14).
That is, the image is an ultrasound image, the physical quantity information is depth information, and the color mapping table information and the color mapping layer are related to the adapter information.
First, a first method (refer to FIG. 14 (b)) is used as a method for calculating a difference value between the adjacent two pixels by using arbitrary or selected two pixels constituting an image outputted to the display, And a second method (see Fig. 14 (c)) will be described.
A first color (P1) on the color mapping layer corresponding to each of the ultrasound image first pixel (P1) having a small Adams value and a second pixel (P2) having a large Adverse value among the two pixels selected on the display on which the ultrasound image is displayed, Coordinates corresponding to the first pixel P1a included in the band and the second pixel P2a included in the second color band are extracted
Then, on the color mapping layer in which the ultrasound image first pixel P1 and the ultrasound image second pixel P2 correspond to the selected ultrasound image, the first pixel P1a is divided into a first color P1, And corrects the position so that the second pixel P2a is in contact with the boundary line between the color band including itself and the color band adjacent to the lower side.
At this time, it is preferable that the position P1a is included in the color band including itself and that the position P2a is included in the color band adjacent to the lower side.
An absolute value of an adverse value which is a value obtained by subtracting a second Adams value for a color band including the position-corrected second pixel (P2b) from a first Adasc value for a color band including the position-corrected first pixel (P1b) Corrected value of the first pixel P1b by the absolute value of the vertical distance which is a value obtained by subtracting the vertical coordinate value of the position-compensated second pixel P2b from the vertical coordinate value of the position-corrected first pixel P1b, In this case, the difference value (CPP, Cm Per Pixcel, in this case, not only the unit of cm but also other various length units can be used) is calculated as the distance (or the distance) between adjacent pixels.
At this time, the distance between the coordinates of the ultrasound image first pixel P1 and the ultrasound image second pixel P2, or the distance between the first pixel P1a and the second pixel P2a, And calculates a difference value, that is, a distance value, of the actual ADX information for the ultrasound image first pixel and the ultrasound image second pixel.
In this case, if the color layer first pixel P1a touches the boundary line between the color band adjacent to the upper side in the color band including the position correction itself, the corrected color layer first pixel P1b is positioned at the position When the color layer second pixel P2a is in contact with the boundary line of the color band adjacent to the upper side in the color band including itself before the position correction, And the corrected color layer second pixel P2b is regarded as the same as the color layer second pixel P2a before the position correction to calculate the inter pixel distance value.
Next, the second method will be described (see (c) of FIG. 00).
A second ultrasound image display unit for displaying ultrasound images corresponding to the first and second ultrasound images on the display unit, The corresponding coordinates for the first pixel P1a and the second pixel P2a on the color mapping layer are extracted.
On the color mapping layer corresponding to the ultrasound image in which the ultrasound image first pixel P1 and the ultrasound image second pixel P2 correspond to the selected ultrasound image, the first pixel P1a is contacted to the boundary between the first pixel P1a and the adjacent color band And corrects the position so that the second pixel P2a is in contact with the boundary line between the color band including itself and the color band adjacent to the lower side.
At this time, it is preferable that the positions P1a and P2a are corrected so as to be included in the color band included therein.
The position-corrected color layer second pixel P2b is calculated by subtracting a second Adams value for a color band including the position-corrected color layer second pixel P2b from a first Adams value for a color band including the positionally corrected color layer first pixel P1b A value obtained by dividing an absolute value of the difference in the depth difference by an absolute value of a vertical distance which is a value obtained by subtracting the vertical coordinate value of the position-corrected color layer second pixel (P2b) from the vertical coordinate value of the first color- (CPP, Cm Per Pixcel, in this case, it is natural that various other length units can be used as well as the distance between the adjacent pixels) .
At this time, the distance between the coordinates of the ultrasound image first pixel P1 and the ultrasound image second pixel P2, or the distance between the first pixel P1a and the second pixel P2a, And calculates a difference value, that is, a distance value, of the actual ADX information for the ultrasound image first pixel and the ultrasound image second pixel.
In this case, when the first pixel P1a is in contact with a boundary line between a color band and a color band adjacent downward in the color band including itself before the position correction, the position-corrected color layer first pixel P1b is corrected by the position correction When the second pixel (P2a) is in contact with a boundary line with a color band that is downward in the color band including itself before the position correction, the corrected color layer (P1a) The layer second pixel P2b is regarded as the same as the color layer second pixel P2a before the position correction, and the inter pixel distance value is calculated.
By calculating the difference value of the physical quantity information between adjacent pixels by the above-described method, it is possible to easily and precisely calculate the physical quantity difference value between two selected points on the image outputted to the display.
Hereinafter, an image processing system based on color mapping, which is another embodiment of the present invention, will be described.
color
Mapping
Through image processing system
The image processing system based on color mapping according to another embodiment of the present invention includes the image processing method through the color mapping according to the present invention and common description contents,
An image processing system based on color mapping according to the present invention includes an image photographing apparatus 100 for photographing an image formed as a result of irradiating X-rays, ultrasonic waves or radiation, And a
That is, the image processing system through color mapping according to the present invention is a system for capturing an image including physical quantity information formed as a result of irradiation of a body penetrating radiation, irradiating a body permeability radiation, (100) for generating a color mapping layer by color mapping according to table information and providing the image and a color mapping layer, and a controller for receiving the image and color mapping layer from the image capturing apparatus, The
In this case, the color mapping table information is pre-set so that color bands of different colors are allocated to the physical quantity information according to a predetermined variation amount, and the color mapping layer performs color mapping based on the color mapping table information, And a color band having a predetermined width is formed along the direction.
Particularly, the image provided in the image photographing apparatus will not include header information.
The calculating process of the physical quantity information for the image calculates the physical quantity information values of one or more pixels of the pixels constituting the image, as described above in the image processing method through color mapping.
The image output terminal calculates a difference value of physical quantity information between two adjacent pixels among pixels constituting the image.
In this case, the difference value between the adjacent two pixels may be determined based on a first reference point, which is a point on the color mapping layer corresponding to one of the pixels constituting the image, A first sub-reference point, which is a point at which the first color band, which is one of the color bands of the color mapping layer, is tangent to the boundary line between the adjacent color bands along the reference direction, And the first reference point is set to a second color band that is a color band other than the first color band among the color bands of the color mapping layer and a second color band that is a color band other than the first color band, A second 2-1 sub reference point, which is a point tangent to the boundary line between adjacent color bands on one side, or a second 2-1 sub reference point, which is a point tangent to the boundary line with the adjacent color band on the other side, A difference value between a physical quantity value assigned to the first color band and a physical quantity value assigned to the second color band is set to a shortest distance between the first 1-1 sub reference point and the 2nd -1 sub reference point Or the number of pixels on the image included in the shortest distance between the first-second sub-reference point and the second-2 sub-reference point.
Hereinafter, a video output terminal including an image processing function through color mapping, which is another embodiment of the present invention, will be described.
color
Mapping
Video output terminal with video processing function through
The image output terminal including the image processing function through the color mapping according to another embodiment of the present invention can be applied to the image processing method using the color mapping according to the present invention and the common technical contents with the image processing system using the color mapping Therefore, redundant description will be omitted.
The image output terminal including the image processing function through the color mapping according to another embodiment of the present invention may be configured such that the image captured so as to include the physical quantity information formed as a result of the examination of the body permeability radiation and the physical quantity information included in the image are preset The color mapping layer is color-mapped so as to perform color mapping according to the color mapping table information, and outputs the image to the display.
At this time, calculation processing of the physical quantity information for the image is performed according to the stored color mapping table information and the provided color mapping layer information.
In this case, the color mapping table information is pre-set so that color bands of different colors are allocated to the physical quantity information according to a predetermined variation amount, and the color mapping layer performs color mapping based on the color mapping table information, And color-mapped so that a color band having a predetermined width is formed along the direction.
In addition, header information is excluded from the provided image.
The calculation processing of the physical quantity information for the image of the image output terminal including the image processing function through the color mapping according to the present invention may be performed by calculating a physical quantity information value for each of one or more pixels constituting the image The color mapping table information and the color mapping layer are as described above.
In addition, the content of calculating the difference value of the physical quantity information between two adjacent pixels among the pixels constituting the image is common to the principle described in the image processing method using the color mapping according to the present invention, so a detailed description thereof will be omitted .
Hereinafter, a computer program including an image processing function through color mapping, which is another embodiment of the present invention, will be described.
color
Mapping
Computer program with image processing function through
The computer program including the image processing function through the color mapping according to another embodiment of the present invention also includes the image processing method through the color mapping according to the present invention and the common technical content with the image processing system through the color mapping Therefore, redundant description will be omitted.
The computer program including the image processing function through the color mapping according to the present invention may be combined with the image output terminal so that the captured image including the physical quantity information formed as a result of the examination of the body permeability radiation provided by the image output terminal, (A) outputting only the image among the color mapping layers so that the included physical quantity information is color mapped according to the preset color mapping table information; and (b) calculating the physical quantity information for the image input to the image output apparatus (B) performing the process according to the previously stored color mapping table information and the provided color mapping layer information.
At this time, the color mapping table information in the step (a) is set so that color bands of different colors are allocated to the physical quantity information for each predetermined variation amount, and the color mapping layer sets the color mapping table information according to the color mapping table information A color band having a predetermined width is formed along the predetermined reference direction on the image.
The calculation of the physical quantity information for the image in the step (b) may be performed by calculating a physical quantity information value for each of the pixels constituting the image.
In addition, the color mapping table information in step (a) may be pre-set such that color bands of different colors are allocated to the physical quantity information for every predetermined amount of change, and the color mapping layer Wherein a color band having a predetermined width is formed along the predetermined reference direction on the image, and the step (b) further includes calculating a difference value of physical quantity information between two adjacent pixels among the pixels constituting the image , The difference value between the adjacent two pixels for the physical quantity information is determined based on a first reference point which is a point on the color mapping layer corresponding to one of the pixels constituting the image, A first color band, which is one of the color bands of the color mapping layer, and a second color band, And a second reference point, which is a point that is tangent to a boundary line between the color band and the color band adjacent to the other color band, A second color sub-band, which is a color band other than the first color sub-band, and a second-1 sub sub reference point, which is a point tangent to the boundary line between the adjacent color band and the adjacent color band along the reference direction, And a difference value between the physical quantity value assigned to the first color band and the physical quantity value assigned to the second color band is set to the first sub reference point and the second sub reference point, Divided by the number of pixels on the image included in the shortest distance between the (2-1) sub reference points or the shortest distance between the (1-2) sub reference points and the (2-2) sub reference points.
It will be understood by those skilled in the art that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. The scope of the present invention is defined by the appended claims rather than the foregoing detailed description, and all changes or modifications derived from the meaning and range of the claims and the equivalents thereof are included in the scope of the present invention Should be interpreted.
11: Ultrasonic image
12: LUT (Look Up Tabe) included in ultrasound image
20: General ultrasound image data structure
21: Header information 22: Ultrasound frame
100:
200: Video output terminal
Claims (18)
(b) an image output terminal receives the image and a color mapping layer from the image photographing device, and outputs the image to a display, wherein the process of calculating physical quantity information for the image is performed by storing the color mapping table information, According to the received color mapping layer information; Wherein the image processing unit comprises:
Wherein the color mapping table information in the step (a) is preset such that color bands of different colors are allocated to the physical quantity information for each predetermined amount of change, and the color mapping layer sets, in accordance with the color mapping table information, And a color band having a predetermined width is formed along a predetermined reference direction.
Wherein the header information is excluded from the image provided in the step (a).
The calculation processing of the physical quantity information for the image in the step (b)
And calculating a physical quantity information value for each of the one or more selected pixels among the pixels constituting the image.
The step (b) may further include the step of calculating a difference value of the physical quantity information between two adjacent pixels among the pixels constituting the image,
The difference value between the two neighboring pixels,
And a second reference point, which is a point on the color mapping layer corresponding to one of pixels constituting the image,
The first reference point may be a first 1-1 sub reference point that is a point at which the first color band, which is one of the color bands of the color mapping layer, is tangent to the boundary line of the adjacent color band along the reference direction, A first 1-2 sub reference point, which is a point tangent to the boundary line between the adjacent color bands,
Wherein the first reference point is a point at which a second color band, which is a color band other than the first color band, of the color band of the color mapping layer is tangent to a boundary line between the color band adjacent to the first color band and the reference color, 2-1 sub reference point, or a second -2 sub reference point, which is a pixel tangent to the boundary line between adjacent color bands on the other side,
A difference between the physical quantity information value allocated to the first color band and the physical quantity information value allocated to the second color band is set to a shortest distance between the first 1-1 sub reference point and the second -1 sub reference point, And a value obtained by dividing the minimum distance by the number of pixels on the image included in the shortest distance between the 2 sub reference points and the 2-2 sub reference points.
Wherein the image processing apparatus is provided with the image and color mapping layer from the image capturing apparatus and outputs the image to the display, wherein the calculation processing of the physical quantity information for the image is performed on the basis of the stored color mapping table information and the information of the color mapping layer A video output terminal to perform the video output; Wherein the image processing system comprises:
Wherein the color mapping table information is pre-set so that color bands of different colors are allocated to the physical quantity information every predetermined amount of change,
Wherein the color mapping layer is generated in accordance with the color mapping table information and in such a manner that a color band having a predetermined width is formed along a predetermined reference direction on the image.
Wherein header information is excluded from the image provided by the image photographing apparatus.
Wherein the calculating process of the physical quantity information for the image calculates a physical quantity information value for each of one or more pixels of the pixels constituting the image.
Wherein the video output terminal comprises:
Calculating a difference value of physical quantity information between two adjacent pixels among pixels constituting the image,
The difference value between the two neighboring pixels,
And a second reference point, which is a point on the color mapping layer corresponding to one of pixels constituting the image,
The first reference point is a first 1-1 sub reference point that is a point at which the first color band, which is one of the color bands of the color mapping layer, is tangent to the boundary line of the adjacent color band along the reference direction, A first 1-2 sub reference point, which is a point tangent to a boundary line between adjacent color bands on the other side,
Wherein the first reference point is a point at which a second color band, which is a color band other than the first color band, of the color band of the color mapping layer is tangent to a boundary line between the color band adjacent to the first color band and the reference color, 2-1 sub reference point or a second 2-2 sub reference point which is a point tangent to a boundary line between adjacent color bands on the other side,
A difference between a physical quantity value assigned to the first color band and a physical quantity value assigned to the second color band is set to a shortest distance between the 1-1 second sub reference point and the 2nd -1 sub reference point, And a value obtained by dividing the minimum distance by the number of pixels on the image included in the shortest distance between the reference point and the second -2 sub reference point.
Wherein the color mapping table information is pre-set so that color bands of different colors are allocated to the physical quantity information every predetermined amount of change,
Wherein the color mapping layer is color mapped according to the color mapping table information and in such a manner that a color band having a predetermined width is formed along a predetermined reference direction on the image, Output terminal.
Wherein the header of the received image is excluded from the received image, and the image processing function includes a color mapping function.
The calculation processing of the physical quantity information for the image includes:
And calculating a physical quantity information value for each of at least one of pixels constituting the image, the image output terminal including the image processing function through color mapping.
Calculating a difference value of physical quantity information between two adjacent pixels among pixels constituting the image,
The difference value between the two neighboring pixels,
And a second reference point, which is a point on the color mapping layer corresponding to one of pixels constituting the image,
The first reference point is a first 1-1 sub reference point that is a point at which the first color band, which is one of the color bands of the color mapping layer, is tangent to the boundary line of the adjacent color band along the reference direction, A first 1-2 sub reference point, which is a point tangent to a boundary line between adjacent color bands on the other side,
Wherein the first reference point is a point at which a second color band, which is a color band other than the first color band, of the color band of the color mapping layer is tangent to a boundary line between the color band adjacent to the first color band and the reference color, 2-1 sub reference point or a second 2-2 sub reference point which is a point tangent to a boundary line between adjacent color bands on the other side,
A difference between a physical quantity value assigned to the first color band and a physical quantity value assigned to the second color band is set to a shortest distance between the 1-1 second sub reference point and the 2nd -1 sub reference point, And a value obtained by dividing the number of pixels included in the shortest distance between the reference point and the 2-2 sub reference point by the number of pixels on the image.
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