CN105430237A - Frame missing image processing method and system - Google Patents
Frame missing image processing method and system Download PDFInfo
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- CN105430237A CN105430237A CN201510837951.9A CN201510837951A CN105430237A CN 105430237 A CN105430237 A CN 105430237A CN 201510837951 A CN201510837951 A CN 201510837951A CN 105430237 A CN105430237 A CN 105430237A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/80—Camera processing pipelines; Components thereof
- H04N23/81—Camera processing pipelines; Components thereof for suppressing or minimising disturbance in the image signal generation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/4448—Receiver circuitry for the reception of television signals according to analogue transmission standards for frame-grabbing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/915—Television signal processing therefor for field- or frame-skip recording or reproducing
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Abstract
The invention discloses a frame missing image processing method and system, wherein the method comprises the following steps: A, obtaining each frame of image inducted by a camera when a user starts the camera to preview or record, and obtaining first data of a previous-frame image of one-frame or continuous multi-frame images and second data of a subsequent-frame image of the one-frame or continuous multi-frame images when the one-frame or continuous multi-frame images are missing; and B, supplementing the missing one-frame or multi-frame images through the first data and the second data according to the missing frame number. According to the invention, the missing one-frame or continuous multi-frame images are supplemented through the first data before the frames are missing and the second data after the frames are missing; therefore, the occasional frame data missing problem when the user previews and records by using the camera in the prior art can be solved; and the image stagnation phenomenon is eliminated.
Description
Technical field
The present invention relates to mobile terminal application, particularly relate to a kind of processing method and system of frame missing image.
Background technology
Current camera (such as camera, video camera) has been one of function that in mobile terminal, frequency of utilization is higher, when using camera, due to a variety of causes (as signal disturbing, IMAQ unsuccessfully etc.) there will be the situation of contingency frame data disappearance; When contingency frame data lack, script continuous print image will produce card and feel immediately, and affect Consumer's Experience, still do not solve the scheme of problems in the prior art, therefore prior art awaits further improvement.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, the object of the present invention is to provide a kind of processing method and system of frame missing image, be intended to solve the problem of the in use frame disappearance of camera in prior art.
Technical scheme of the present invention is as follows:
A processing method for frame missing image, wherein, comprises step:
A, when user start camera carry out preview or video recording time, obtain each two field picture that camera senses, when appearance one frame or continuous some two field picture disappearances, obtain the first data of the previous frame image of a described frame or continuous some two field pictures, and the second data of a rear two field picture of a described frame or continuous some two field pictures;
B, according to disappearance frame number, mended out the frame or some two field pictures that lack by described first data and the second data.
The processing method of described frame missing image, wherein, each two field picture is all divided into x*y pixel, and wherein x, y are positive integer.
The processing method of described frame missing image, wherein, when the image lacked is N continuous frame, the data of the M two field picture in then lacked N continuous two field picture, its i-th row, the data of the pixel of jth row are RGB (i, j)+M*(RGB ' (i, j)-RGB (i, j))/(N+1), wherein, RGB (i, j) be the i-th row in the first data, the data of the pixel of jth row, RGB ' (i, j) be the i-th row in the second data, the data of the pixel of jth row, i is the natural number being more than or equal to 1 and being less than or equal to x, j is the natural number being more than or equal to 1 and being less than or equal to y.
The processing method of described frame missing image, wherein, when the image lacked is a frame, the data of this then lacked two field picture, the data of the pixel of its i-th row, jth row are RGB (i, j)+(RGB ' (i, j)-RGB (i, j))/2, wherein, RGB (i, j) be the data of pixel of the i-th row in the first data, jth row, RGB ' (i, j) is the data of pixel of the i-th row in the second data, jth row, i is the natural number being more than or equal to 1 and being less than or equal to x, and j is the natural number being more than or equal to 1 and being less than or equal to y.
The processing method of described frame missing image, wherein, described steps A, when detecting that camera sends a frame synchronizing signal, but when not receiving the image of camera induction, then judges disappearance one two field picture; When N continuous time detects that camera sends frame synchronizing signal, but when not receiving the image of camera induction, be then judged to be disappearance N continuous two field picture, wherein, described N is positive integer.
A treatment system for frame missing image, wherein, comprising:
Acquisition module, for start as user camera carry out preview or video recording time, obtain each two field picture that camera senses, when appearance one frame or continuous some two field picture disappearances, obtain the first data of the previous frame image of a described frame or continuous some two field pictures, and the second data of a rear two field picture of a described frame or continuous some two field pictures;
Compensating module, for the frame number according to disappearance, is mended out the frame or some two field pictures that lack by described first data and the second data.
The treatment system of described frame missing image, wherein, each two field picture is all divided into x*y pixel, and wherein x, y are positive integer.
The treatment system of described frame missing image, wherein, in described compensating module, when the image lacked is N continuous frame, the data of the M two field picture in then lacked N continuous two field picture, its i-th row, the data of the pixel of jth row are RGB (i, j)+M*(RGB ' (i, j)-RGB (i, j))/(N+1), wherein, RGB (i, j) be the i-th row in the first data, the data of the pixel of jth row, RGB ' (i, j) be the i-th row in the second data, the data of the pixel of jth row, i is the natural number being more than or equal to 1 and being less than or equal to x, j is the natural number being more than or equal to 1 and being less than or equal to y.
The treatment system of described frame missing image, wherein, in described compensating module, when the image lacked is a frame, the data of this then lacked two field picture, its i-th row, the data of the pixel of jth row are RGB (i, j)+(RGB ' (i, j)-RGB (i, j))/2, wherein, RGB (i, j) be the i-th row in the first data, the data of the pixel of jth row, RGB ' (i, j) be the i-th row in the second data, the data of the pixel of jth row, i is the natural number being more than or equal to 1 and being less than or equal to x, j is the natural number being more than or equal to 1 and being less than or equal to y.
The treatment system of described frame missing image, wherein, in described acquisition module, when detecting that camera sends a frame synchronizing signal, but when not receiving the image of camera induction, then judges disappearance one two field picture; When N continuous time detects that camera sends frame synchronizing signal, but when not receiving the image of camera induction, be then judged to be disappearance N continuous two field picture, wherein, described N is positive integer.
Beneficial effect: the present invention mends out by the second data after the first data before being lacked by frame and frame disappearance the frame or continuous some two field pictures that lack, thus solve in prior art when user use camera carry out preview, video recording time there is the problem that contingency frame data lack, the card eliminating image is felt immediately, improves user's experience.
Accompanying drawing explanation
Fig. 1 is the flow chart of the processing method preferred embodiment of a kind of frame missing image of the present invention.
Fig. 2 is the distribution schematic diagram of each pixel of the first data.
Fig. 3 is the distribution schematic diagram of each pixel of the second data.
Fig. 4 is image data transmission sequential chart in the present invention.
Fig. 5 is the structured flowchart of the treatment system preferred embodiment of a kind of frame missing image of the present invention.
Embodiment
The invention provides a kind of processing method and system of frame missing image, for making object of the present invention, technical scheme and effect clearly, clearly, the present invention is described in more detail below.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Refer to Fig. 1, Fig. 1 is the flow chart of the processing method preferred embodiment of a kind of frame missing image of the present invention, and as shown in the figure, it comprises step:
S101, when user start camera carry out preview or video recording time, obtain each two field picture that camera senses, when appearance one frame or continuous some two field picture disappearances, obtain the first data of the previous frame image of a described frame or continuous some two field pictures, and the second data of a rear two field picture of a described frame or continuous some two field pictures;
S102, according to disappearance frame number, mended out the frame or some two field pictures that lack by described first data and the second data.
In the embodiment of the present invention, by obtaining the first data of the previous frame image of a frame or the continuous some frames lacked, and the second data of a rear two field picture, the frame or some two field pictures that lack is mended out according to these data, can be solved by the solution of the present invention and occur when using camera to carry out preview or video recording the problem that contingency frame data lack, the card eliminating image is felt immediately, promotes the experience of user.
Further, each two field picture is all divided into x*y pixel, and wherein x, y are positive integer.For the i-th row in the first data, the data of the pixel of jth row are expressed as RGB (i, j), as shown in Figure 2; For the i-th row in the second data, the data of the pixel of jth row are expressed as RGB ' (i, j), as shown in Figure 3; Wherein, i is the natural number being more than or equal to 1 and being less than or equal to x, and j is the natural number being more than or equal to 1 and being less than or equal to y.
Further, when the image lacked is N continuous frame, then can obtain the data of the M two field picture in lacked N continuous two field picture according to the first data and the second data, wherein N is positive integer, and M is the natural number being more than or equal to 1 and being less than or equal to N.
Specifically, the data of the M two field picture in the N continuous two field picture lacked, the data of the pixel of its i-th row, jth row are RGB (i, j)+M*(RGB ' (i, j)-RGB (i, j))/(N+1), wherein, RGB (i, j) be the data of pixel of the i-th row in the first data, jth row, RGB ' (i, j) is the data of pixel of the i-th row in the second data, jth row, i is the natural number being more than or equal to 1 and being less than or equal to x, and j is the natural number being more than or equal to 1 and being less than or equal to y.
Such as, when continuous 5 two field picture disappearance, wherein, previous frame image i-th row of disappearance, the data of the pixel of jth row are RGB (i, j), i-th row of the 1st two field picture of disappearance, the data of the pixel of jth row are RGB (i, j)+1*(RGB ' (i, j)-RGB (i, j))/6, i-th row of the 2nd two field picture of disappearance, the data of the pixel of jth row are RGB (i, j)+2*(RGB ' (i, j)-RGB (i, j))/6, i-th row of the 3rd two field picture of disappearance, the data of the pixel of jth row are RGB (i, j)+3*(RGB ' (i, j)-RGB (i, j))/6, i-th row of the 4th two field picture of disappearance, the data of the pixel of jth row are RGB (i, j)+4*(RGB ' (i, j)-RGB (i, j))/6, i-th row of the 5th two field picture of disappearance, the data of the pixel of jth row are RGB (i, j)+5*(RGB ' (i, j)-RGB (i, j))/6, rear two field picture i-th row of disappearance, the data of the pixel of jth row are RGB ' (i, j), the data even variation of such consecutive frame image, feel immediately so card can not be produced, and image change is more smooth.In the present invention, by the i-th row in the first data, pixel RGB (the i of jth row, j) with the i-th row in the second data, pixel the RGB ' (i of jth row, j) N part is divided between, every part is RGB ' ', i-th row of the first two field picture in then lacked N frame, the data of the pixel of jth row are RGB (i, j)+RGB ' ' (i, j), the data of the pixel of the i-th row jth row of the second two field picture in the N frame lacked are RGB (i, j)+2*RGB ' ' (i, j), the point data of the pixel of the i-th row jth row of the M two field picture in the N frame lacked is RGB (i, j)+M*RGB ' ' (i, j), the data of the pixel of the i-th row jth row of the N two field picture in the N frame lacked are RGB (i, j)+N*RGB ' ' (i, j), in addition, it is worth mentioning that, the data of the pixel of the i-th row jth row in the second data are RGB ' (i, j)=RGB (i, j)+(N+1) * RGB ' ' (i, j).
When the image lacked is a frame, the data of this then lacked two field picture, the data of the pixel of its i-th row, jth row are RGB (i, j)+(RGB ' (i, j)-RGB (i, j))/2, wherein, RGB (i, j) be the data of pixel of the i-th row in the first data, jth row, RGB ' (i, j) is the data of pixel of the i-th row in the second data, jth row, i is the natural number being more than or equal to 1 and being less than or equal to x, and j is the natural number being more than or equal to 1 and being less than or equal to y.
The detection method of frame disappearance is as follows: when detecting that camera sends a frame synchronizing signal, but when not receiving the image of camera induction, then judges disappearance one two field picture; When N continuous time detects that camera sends frame synchronizing signal, but when not receiving the image of camera induction, be then judged to be disappearance N continuous two field picture, wherein, described N is positive integer.
Refer to Fig. 4, it is the image data transmission time diagram in the present invention, when mutually confidential start to send a frame image data to central processing unit (central processing unit of mobile terminal) time, first produce a frame synchronizing signal (in Fig. 4, A refers to frame synchronizing signal line) and notify that central processing unit (is that a high level pulse is to represent generation frame synchronizing signal in Fig. 4, also can be other form, as a low level pulse represents generation frame synchronizing signal), a new frame image data (in such as Fig. 4 B1 or B2) is received by starting when central processing unit receives frame synchronizing signal, and when occurring that contingency frame lacks, central processing unit can not receive corresponding view data, so when detecting that camera sends a frame synchronizing signal, but when not receiving a frame image data of camera generation, explanation has lacked a two field picture, situation when consecutive miss multiple image and upper similar, namely when detecting that camera sends a N continuous frame synchronizing signal, but when not receiving the N continuous frame image data of camera generation, explanation has lacked N continuous two field picture.
Based on said method, the present invention also provides a kind for the treatment of system preferred embodiment of frame missing image, and as shown in Figure 5, it comprises:
Acquisition module 100, for start as user camera carry out preview or video recording time, obtain each two field picture that camera senses, when appearance one frame or continuous some two field picture disappearances, obtain the first data of the previous frame image of a described frame or continuous some two field pictures, and the second data of a rear two field picture of a described frame or continuous some two field pictures;
Compensating module 200, for the frame number according to disappearance, is mended out the frame or some two field pictures that lack by described first data and the second data.
Further, each two field picture is all divided into x*y pixel, and wherein x, y are positive integer.
Further, in described compensating module, when the image lacked is N continuous frame, the data of the M two field picture in then lacked N continuous two field picture, its i-th row, the data of the pixel of jth row are RGB (i, j)+M*(RGB ' (i, j)-RGB (i, j))/(N+1), wherein, RGB (i, j) be the i-th row in the first data, the data of the pixel of jth row, RGB ' (i, j) be the i-th row in the second data, the data of the pixel of jth row, i is the natural number being more than or equal to 1 and being less than or equal to x, j is the natural number being more than or equal to 1 and being less than or equal to y.
Further, in described compensating module, when the image lacked is a frame, the data of this then lacked two field picture, the data of the pixel of its i-th row, jth row are RGB (i, j)+(RGB ' (i, j)-RGB (i, j))/2, wherein, RGB (i, j) be the data of pixel of the i-th row in the first data, jth row, RGB ' (i, j) is the data of pixel of the i-th row in the second data, jth row, i is the natural number being more than or equal to 1 and being less than or equal to x, and j is the natural number being more than or equal to 1 and being less than or equal to y.
Further, in described acquisition module, when detecting that camera sends a frame synchronizing signal, but when not receiving the image of camera induction, then judge disappearance one two field picture; When N continuous time detects that camera sends frame synchronizing signal, but when not receiving the image of camera induction, be then judged to be disappearance N continuous two field picture, wherein, described N is positive integer.
Ins and outs about above-mentioned module are existing in method above to be described in detail, therefore repeats no more.
In sum, the present invention mends out by the second data after the first data before being lacked by frame and frame disappearance the frame or continuous some two field pictures that lack, thus solve in prior art when user use camera carry out preview, video recording time there is the problem that contingency frame data lack, the card eliminating image is felt immediately, improves user's experience.
Should be understood that, application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection range that all should belong to claims of the present invention.
Claims (10)
1. a processing method for frame missing image, is characterized in that, comprises step:
A, when user start camera carry out preview or video recording time, obtain each two field picture that camera senses, when appearance one frame or continuous some two field picture disappearances, obtain the first data of the previous frame image of a described frame or continuous some two field pictures, and the second data of a rear two field picture of a described frame or continuous some two field pictures;
B, according to disappearance frame number, mended out the frame or some two field pictures that lack by described first data and the second data.
2. the processing method of frame missing image according to claim 1, is characterized in that, each two field picture is all divided into x*y pixel, and wherein x, y are positive integer.
3. the processing method of frame missing image according to claim 2, it is characterized in that, when the image lacked is N continuous frame, the data of the M two field picture in then lacked N continuous two field picture, its i-th row, the data of the pixel of jth row are RGB (i, j)+M*(RGB ' (i, j)-RGB (i, j))/(N+1), wherein, RGB (i, j) be the i-th row in the first data, the data of the pixel of jth row, RGB ' (i, j) be the i-th row in the second data, the data of the pixel of jth row, i is the natural number being more than or equal to 1 and being less than or equal to x, j is the natural number being more than or equal to 1 and being less than or equal to y.
4. the processing method of frame missing image according to claim 2, it is characterized in that, when the image lacked is a frame, the data of this then lacked two field picture, its i-th row, the data of the pixel of jth row are RGB (i, j)+(RGB ' (i, j)-RGB (i, j))/2, wherein, RGB (i, j) be the i-th row in the first data, the data of the pixel of jth row, RGB ' (i, j) be the i-th row in the second data, the data of the pixel of jth row, i is the natural number being more than or equal to 1 and being less than or equal to x, j is the natural number being more than or equal to 1 and being less than or equal to y.
5. the processing method of frame missing image according to claim 1, is characterized in that, described steps A, when detecting that camera sends a frame synchronizing signal, but when not receiving the image of camera induction, then judges disappearance one two field picture; When N continuous time detects that camera sends frame synchronizing signal, but when not receiving the image of camera induction, be then judged to be disappearance N continuous two field picture, wherein, described N is positive integer.
6. a treatment system for frame missing image, is characterized in that, comprising:
Acquisition module, for start as user camera carry out preview or video recording time, obtain each two field picture that camera senses, when appearance one frame or continuous some two field picture disappearances, obtain the first data of the previous frame image of a described frame or continuous some two field pictures, and the second data of a rear two field picture of a described frame or continuous some two field pictures;
Compensating module, for the frame number according to disappearance, is mended out the frame or some two field pictures that lack by described first data and the second data.
7. the treatment system of frame missing image according to claim 6, is characterized in that, each two field picture is all divided into x*y pixel, and wherein x, y are positive integer.
8. the treatment system of frame missing image according to claim 7, it is characterized in that, in described compensating module, when the image lacked is N continuous frame, the data of the M two field picture in then lacked N continuous two field picture, its i-th row, the data of the pixel of jth row are RGB (i, j)+M*(RGB ' (i, j)-RGB (i, j))/(N+1), wherein, RGB (i, j) be the i-th row in the first data, the data of the pixel of jth row, RGB ' (i, j) be the i-th row in the second data, the data of the pixel of jth row, i is the natural number being more than or equal to 1 and being less than or equal to x, j is the natural number being more than or equal to 1 and being less than or equal to y.
9. the treatment system of frame missing image according to claim 7, it is characterized in that, in described compensating module, when the image lacked is a frame, the data of this then lacked two field picture, its i-th row, the data of the pixel of jth row are RGB (i, j)+(RGB ' (i, j)-RGB (i, j))/2, wherein, RGB (i, j) be the i-th row in the first data, the data of the pixel of jth row, RGB ' (i, j) be the i-th row in the second data, the data of the pixel of jth row, i is the natural number being more than or equal to 1 and being less than or equal to x, j is the natural number being more than or equal to 1 and being less than or equal to y.
10. the treatment system of frame missing image according to claim 6, is characterized in that, in described acquisition module, when detecting that camera sends a frame synchronizing signal, but when not receiving the image of camera induction, then judges disappearance one two field picture; When N continuous time detects that camera sends frame synchronizing signal, but when not receiving the image of camera induction, be then judged to be disappearance N continuous two field picture, wherein, described N is positive integer.
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