CN108986847B - Video production method and system - Google Patents
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- 238000012545 processing Methods 0.000 description 10
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- 239000011248 coating agent Substances 0.000 description 2
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- G06V20/40—Scenes; Scene-specific elements in video content
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Abstract
The invention provides a video production method and a system, wherein the method comprises the steps of shooting a video aiming at an object; recording the video position of the abnormal part of the shot object, and acquiring the image of the abnormal part; inserting the acquired image into the video location in the video; and forming the video inserted into the image into a new video.
Description
Technical Field
The invention belongs to the technical field of computers, and particularly relates to a video production method and a video production system.
Background
With the development of computer technology, personalized video production is more and more favored. Currently, a variety of video production software is available on the market. But most of these video production software only meet the artistic requirements of people.
There is no product of relevance for video production that shows whether there is a particular point in the product. For example, when a video is taken of a vehicle, some parts of the vehicle where a defect occurs cannot be sufficiently displayed. The user can not accurately know which parts of the vehicle have problems through the obtained video and can not accurately obtain the special parts of certain parts of the vehicle.
Disclosure of Invention
The invention provides a video making method and a video making system, which aim to solve the problem that a video made in the prior art cannot accurately show the special part of a shot object.
A method of video production, the method comprising:
shooting a video aiming at an object;
recording the video position of the abnormal part of the shot object, and acquiring the image of the abnormal part;
inserting the acquired image into the video location in the video;
and forming the video inserted into the image into a new video.
Further, the method further comprises:
inserting one or more of voice, animation, numbers, and text at the video position in the video.
Further, the method further comprises:
and setting the display duration and/or the hiding time of the image.
Further, the method further comprises:
setting a presentation duration and/or a hiding time, and/or setting a presentation duration and/or a hiding time of one or more of text, numbers, animations
The number of cycles of speech is set.
Further, the method further comprises:
when a plurality of images are inserted into the same video position, the display sequence, the display duration and/or the hiding time of each image in the plurality of images are set.
Further, the method further comprises:
an abnormal portion of the object is determined based on the detection device.
Further, the method further comprises:
and comparing and analyzing the shot video image with a preset video image, and determining the abnormal part of the object based on the contrast similarity.
A video production system, the system comprising:
a shooting unit configured to shoot a video for an object;
the recording unit is used for recording the video position of the abnormal part of the object and acquiring the image of the abnormal part;
an insertion unit for inserting the acquired image into the video position in the video;
and the video production unit is used for forming the video inserted into the image into a new video.
Further, the inserting unit is also used for inserting voice, animation and/or text into the video position in the video.
Further, the system further comprises:
and the setting unit is used for setting the display duration and/or the hiding time of the image.
Further, the system further comprises:
the setting unit is used for setting the display duration and/or the hiding time of one or more of characters, numbers and animations and/or setting the cycle number of voices.
Further, the system further comprises:
the device comprises a setting unit and a control unit, wherein the setting unit is used for setting the display sequence, the display duration and/or the hiding time of each image in a plurality of images when the images are inserted into the same video position.
Further, the system further comprises:
a detection unit for detecting the object and determining an abnormal portion of the object.
Further, the system further comprises:
and the analysis unit is used for comparing and analyzing the shot video image and a preset video image and determining the abnormal part of the object based on the contrast similarity.
A video production system, the system comprising at least one processor and at least one memory;
the memory stores a computer program for performing any of the methods described above, and the processor calls the computer program in the memory to perform any of the methods described above.
The video making method and the video making system improve the perceptibility of the user for checking the article through the video, can enable the user to know the condition of the article more clearly, and increase the authenticity of the article data fed back to the user because the data such as pictures change along with the change of the shooting position. Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 shows a schematic flow diagram of a video production method according to an embodiment of the invention;
FIG. 2 is a schematic view of a vehicle having a front cover with a scratch according to an embodiment of the present invention;
FIG. 3 shows a timeline presentation of a captured video according to an embodiment of the present invention;
FIG. 4 illustrates a video production primary structure diagram according to an embodiment of the present invention;
FIG. 5 illustrates a flow diagram of video compositing according to an embodiment of the invention;
FIG. 6 illustrates a composite video display diagram according to an embodiment of the invention;
FIG. 7 illustrates a block diagram of a video production system in accordance with an embodiment of the present invention;
fig. 8 is a diagram illustrating another video production system according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a video production method, which comprises the steps of shooting a video aiming at an object, as shown in figure 1; recording the video position of the abnormal part of the shot object, and acquiring the image of the abnormal part; inserting the acquired image into the video location in the video; and forming the video inserted into the image into a new video.
The embodiment of the invention is exemplified by taking a vehicle inspection video as an example. There are many types of inspection equipment for vehicles, and a paint film meter, also called a coating thickness gauge, is a typical vehicle inspection equipment capable of detecting the thickness of a vehicle coating to determine whether the vehicle finish needs to be repainted. In the detection of the vehicle paint, whether the thickness of the vehicle paint meets the requirement can be judged, and the detection result is output. The video shooting device such as a camera can realize shooting and checking of the vehicle.
The vehicle detection is not necessarily carried out by a special vehicle detection device, and the vehicle detection can be carried out by image similarity contrast. The video shooting system compares the acquired video data frame with a normal data frame stored in advance to determine whether the part shot by the video shooting system is abnormal. Illustratively, by matching a plurality of pixels in a pre-stored video image with a region corresponding to the pixel in a video image acquired by a video capture system, it is determined by the matching whether each of the plurality of pixels contained in the pre-stored video image is a matching pixel, and finally a similarity between the pre-stored video image and the captured video image is determined based on the number of matching pixels in the pre-stored video image, for example, a similarity value is defined as a ratio of the number of matched pixels to the number of pixels of the pre-stored image. If the similarity value is less than 90%, it is determined that the photographed portion is abnormal. When an abnormality is detected in the captured portion, an image is captured of the abnormal portion.
The embodiment of the present invention is exemplified by a film coating machine in combination with video shooting, but is not limited thereto, and any system capable of acquiring an abnormal portion of a vehicle in shooting may be applied to the present invention.
The video shooting device shoots the vehicle in an omnibearing video mode. In the video shooting process, the paint film instrument detects the paint surface of the shot part. And sending a control signal to the video shooting device after detecting that the paint surface does not meet the standard, namely that a certain part of the vehicle is abnormal. And after the video shooting device obtains the control signal, shooting a picture of the abnormal part of the vehicle.
For example, fig. 2 shows a schematic view of a vehicle with a scratch on the front cover of the vehicle. The front cover of the vehicle is shot by the video shooting device in the process of video shooting of the vehicle, and the paint film instrument sends a control signal to the video shooting device when finding that the front cover of the vehicle has an abnormal part, such as a scratch. The video shooting device shoots an image of the front cover of the vehicle after receiving the control signal, and records the position of the shot image in the shot video, such as the time point or the video frame where the image is shot.
In the embodiment of the invention, images shot at various time points can be clarified by recording the video time points. Fig. 3 shows a schematic diagram of a time axis presentation of a captured video, wherein the zigzag horizontal lines represent the time axis. As shown in fig. 3, in the shooting process of the video shooting device, at a time point t1, the paint film instrument detects a vehicle bumper, the vehicle bumper of the vehicle is damaged due to scratch, and at the time, the paint film instrument finds that the paint thickness of the vehicle bumper is larger than the standard thickness, and sends a control signal to the video shooting device to shoot an image of the part of the vehicle bumper, and records the image of the part of the vehicle bumper to a time point t1 of the video shooting; as described in the detection of the bumper of the vehicle, the video photographing apparatus may continue to photograph other portions of the vehicle, and at a time point t2, when an abnormal condition in which the vehicle hood is scratched as shown in fig. 2 is found, an image of the scratched portion of the hood is photographed and recorded to a time point t 2; the video camera continues to shoot, and if an abnormal condition is found at time point t3, recording is performed as well.
In the embodiment of the invention, images shot at various time points can be clarified by recording video frames. As is well known, a shot video is played in the form of video frames, in which there is data of each video frame: the video frames generated by video shooting have information such as frame mark ID time stamps, and the following two video frames are taken as examples to illustrate the embodiment of the invention.
Table 1 video stream key frame format
Wherein, 0-3 bytes are ID of video frame, XX is reserved byte, R is frame rate, W & H represents height and width of video data, Date time is time stamp of video frame, Length is frame Length of video frame.
Table 2 non-key frame format of video stream
Wherein, 0-3 bytes are ID of video frame, XX is reserved byte, and Length is frame Length of video frame.
For key frames of a video stream, the time of the video may be determined from the time stamps of the video frames, and for non-key frames of the video stream, the time stamps may be determined from the frame rate and offset counts to the key frames.
After the picture is taken, the time stamps of the video frames in the video stream before and after the picture is taken or when the picture is taken are recorded. Without loss of generality, the video frames of the video stream were captured at the front cover with a time stamp of 20180101010101.
At this time, the captured image of the hood is associated with the time stamp 20180101010101. In the embodiment of the invention, the association between the two frames is not limited to be established, and the video frame to which the image needs to be added can be marked, and when a plurality of frames need to be marked, the sequential marking is carried out. And the shot images are sequentially sequenced, and finally the images are sequentially inserted into the marked frames according to the sequence relation.
As another mode, the embodiment of the present invention may also establish association with an image through an ID of a video frame in a video stream; or sequentially marking the video frames by the ID of the video frames, sequencing the shot images sequentially, and finally sequentially inserting the images into the marked frames according to the sequential relation.
And after the shooting device obtains the video and the image, sending the obtained video and image to a database such as mysql or redis for storage. When the data is stored, the addresses of the videos and the addresses of the pictures are recorded so as to facilitate the subsequent video synthesis. Fig. 4 is a view showing a structure of a video production system according to an embodiment of the present invention. As can be seen from fig. 4, the data shot by the shooting device is sent to the video processing module, and the video processing module processes the received video data.
And the video processing module acquires the stored videos and images and the corresponding relation between each photo and the shooting time point or video frame from mysql or redis data. According to the corresponding relation, the video processing module inserts the image into the video at the time point corresponding to the image or the video frame corresponding to the image.
Fig. 4 shows a basic flow diagram for forming a new video. As shown in fig. 4, the video shooting device sends the shot video and image containing the position mark to the video processing module. The video processing module inserts an image into a phase position of the video. Further, the video processing module can also insert characters, moving pictures, voice and the like into corresponding positions of the video. The addition of characters, motion pictures, voice and the like enables a user to more clearly and intuitively know the information condition of the vehicle.
Fig. 5 exemplarily shows a flow chart of video composition, and as shown in fig. 5, after the video processing module receives the shot video data and the picture data, the video processing module inserts the image into the corresponding position of the video according to the above-mentioned image insertion manner. After the image is inserted, the inserted image can be configured with text for interpretation. Meanwhile, the video processing module also adds voice in the received video data, and the mode of adding voice is the same as the insertion mode of the image, and is not described herein again. And finally, forming a new video by adopting a transcoding mode.
It should be noted that fig. 5 is only one example of a plurality of video composition modes, and is not limited to the video generation flow of fig. 5. On the contrary, after receiving the shot video, inserting the picture first, adding the text on the inserted picture, then adding the voice, and finally forming a new video, or adding the voice first, then inserting the picture, adding the text on the inserted picture, and finally forming a new video, or generating a video in other manners, as long as any flow of adding the picture, the text, or the voice at a specific position of the received video can be achieved, the invention is applicable.
When an image or a character is inserted, a display time length or a hiding time of the inserted image or character may be set. Illustratively, the image display period inserted at the time point of t1 is set to 5 seconds, and the image display period inserted at the time point of t2 is set to 10 seconds. The corresponding text display duration can also be set, and the voice playing cycle number can also be set for the inserted voice. If a plurality of images are required to be inserted into the corresponding positions, the display sequence and the display duration of each image in the plurality of images can be set, and a plurality of small video windows can be set for displaying. The display duration and the playing times are set, so that the guidance of the video for vehicle detection is further improved.
Fig. 6 is a schematic diagram of a composite video display, as shown in fig. 6, when displayed by a display device such as a computer, information such as brand, price, mileage, service call, etc. of a vehicle can be displayed on the right side of a display window (exemplary marks are given by x in the drawing); the vehicle is displayed in the large display window on the left side, and abnormal parts such as damaged vehicles and the like are displayed in the small window in the large window, and meanwhile, characters can be displayed; a play bar and the like can be arranged at the lower part of the large window. The display mode is more intuitive, and the user can clearly see the vehicle information.
With reference to fig. 3, in the video display process, when the video is played to the time point t1, the captured image of the scratch part of the bumper of the vehicle is displayed in the displayed video in a small video window manner. In fig. 3, a small video window that has been shown is indicated by a dashed-line frame, a small video window that has not yet been shown is indicated by a dotted-line frame, and a small video window that is being shown is indicated by a solid-black-line frame.
As shown in fig. 3, after the captured video is played to a time point t2, a small video window in which an image in which the front hood has a scratched portion is displayed appears in the played video.
In order to achieve the purpose of more image display, in the embodiment of the present invention, as shown in fig. 3, when the image of the hood is displayed at the video time point t2 where the abnormality occurs, the text "hood scratch" is displayed. The displayed text is not limited to being displayed in a large window, and can be displayed in a small window. Meanwhile, in the embodiment of the invention, voices such as 'the front cover is scratched and please notice' can be added.
On the basis of the above method, the present invention further provides a structure diagram of a video production system, as shown in fig. 7, the video production system includes a shooting unit, a recording unit, an insertion unit and a video production unit, which are sequentially connected by data. Wherein the shooting unit is used for shooting a video aiming at an object; the recording unit is used for recording the video position of the abnormal part of the shot object and acquiring the image of the abnormal part; the inserting unit is used for inserting the acquired image into the video position in the video and is also used for inserting one or more of voice, animation, numbers and/or characters into the video position in the video; the video production unit is used for forming the video inserted into the image into a new video.
The video production system of the embodiment of the invention also comprises a detection unit and an analysis unit which are in data connection with the recording unit. Wherein the detection unit is used for detecting the object and determining the abnormal part of the object; the analysis unit is used for comparing and analyzing the shot video image and a preset video image and determining the abnormal part of the object based on the contrast similarity.
The video production system of the embodiment of the invention further comprises a setting unit in data connection with the insertion unit. The setting unit is used for setting the display duration and/or the hiding time of the images, setting the display duration and/or the hiding time of characters, numbers and/or animations and/or setting the cycle times of voice, and is used for setting the display sequence, the display duration and/or the hiding time of each image in the images when the images are inserted into the same video position.
On the basis of the method, the embodiment of the invention also adaptively provides another video production system. As shown in fig. 8, the video production system includes at least one processor and at least one memory; the memory stores a computer program for performing any of the methods described above, and the processor calls the computer program in the memory to perform any of the methods described above.
The method and the system effectively improve the perceptibility of the user for checking the article through the video, can enable the user to know the condition of the article more clearly, and the data such as the picture and the like change along with the change of the shooting position, thereby increasing the authenticity of the article data for feeding back the user, and further increasing the perceptibility of the user to the article in the aspect of auditory sense through voice prompt.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (15)
1. A method of video production, the method comprising:
shooting a video aiming at an object;
recording the video position of the abnormal part of the shot object, and acquiring the image of the abnormal part;
inserting the acquired image into the video location in the video;
and forming the video inserted into the image into a new video.
2. The video production method of claim 1, the method further comprising:
inserting one or more of voice, animation, numbers, and text at the video position in the video.
3. A method of video production as claimed in claim 1 or 2, the method further comprising:
and setting the display duration and/or the hiding time of the image.
4. The video production method of claim 2, the method further comprising:
setting a presentation duration and/or a hiding time, and/or setting a presentation duration and/or a hiding time of one or more of text, numbers, animations
The number of cycles of speech is set.
5. The video production method of claim 1, the method further comprising:
when a plurality of images are inserted into the same video position, the display sequence, the display duration and/or the hiding time of each image in the plurality of images are set.
6. The video production method of claim 1, the method further comprising:
an abnormal portion of the object is determined based on the detection device.
7. A method of video production as claimed in claim 1 or 6, the method further comprising:
and comparing and analyzing the shot video image with a preset video image, and determining the abnormal part of the object based on the contrast similarity.
8. A video production system, the system comprising:
a shooting unit configured to shoot a video for an object;
the recording unit is used for recording the video position of the abnormal part of the object and acquiring the image of the abnormal part;
an insertion unit for inserting the acquired image into the video position in the video;
and the video production unit is used for forming the video inserted into the image into a new video.
9. The video production system of claim 8,
the inserting unit is further used for inserting one or more of voice, animation, numbers and characters at the video position in the video.
10. A video production system according to claim 8 or 9, the system further comprising:
and the setting unit is used for setting the display duration and/or the hiding time of the image.
11. The video production system of claim 9, the system further comprising:
the setting unit is used for setting the display duration and/or the hiding time of one or more of characters, numbers and animations and/or setting the cycle number of voices.
12. The video production system of claim 8, the system further comprising:
the device comprises a setting unit and a control unit, wherein the setting unit is used for setting the display sequence, the display duration and/or the hiding time of each image in a plurality of images when the images are inserted into the same video position.
13. The video production system of claim 8, the system further comprising:
a detection unit for detecting the object and determining an abnormal portion of the object.
14. A video production system according to claim 8 or 13, the system further comprising:
and the analysis unit is used for comparing and analyzing the shot video image and a preset video image and determining the abnormal part of the object based on the contrast similarity.
15. A video production system, the system comprising at least one processor and at least one memory;
the memory stores a computer program for performing the method of any of claims 1-7, and the processor calls the computer program in the memory to perform the method of any of claims 1-7.
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