WO2009140916A1

WO2009140916A1 - Deinterlacing method, deinterlacing device and video process system for video data

Info

Publication number: WO2009140916A1
Application number: PCT/CN2009/071867
Authority: WO
Inventors: 谢清鹏; 高新波; 周芳; 邓勤耕; 张晓森; 熊联欢
Original assignee: 华为技术有限公司
Priority date: 2008-05-20
Filing date: 2009-05-20
Publication date: 2009-11-26
Also published as: CN101588444B; CN101588444A

Abstract

A deinterlacing method, deinterlacing device and video process system for video data are provided by the embodiments of the present invention, which concretely include: first, detecting the motion status of a pixel in the top field of the current frame in the video data compared with the pixel of identical spatial position in the top field of the neighboring frame, and detecting the motion status of a pixel in the bottom field of the current frame compared with the pixel of identical spatial position in the bottom field of the neighboring frame; second, determining the motion status of a pixel in the current frame compared with the pixel of identical spatial position in the neighboring frame by determining whether the motion status of at least one of the pixels of identical spatial position in the top field and bottom field of the current frame is motion; third, making interpolation process to the pixels of the line to be interpolated according to the motion status of a pixel in the current frame compared with the pixel of identical spatial position in the neighboring frame. By implementation of the above technical means, it’s guaranteed that pixels in the current frame will not be missed for detecting, and the precision of determining the motion status of pixels in the current frame is improved, the pixel error of the points to be interpolated is decreased, therefore the definition of images can be increased.

Description

Deinterlacing method, deinterlacing device and video processing system for video data The application is submitted to the Chinese Patent Office on May 20, 2008, and the application number is 200810067381. x, the invention name is "deinterlacing method for video data, deinterlacing device" The priority of the Chinese Patent Application, the entire disclosure of which is incorporated herein by reference.

Technical field

The present invention relates to the field of video processing, and in particular, to a deinterlacing method, a deinterlacing device, and a video processing system for video data. Background of the invention

At present, with the continuous development of digital technology and the continuous entry of high-resolution display devices into the video consumer market, consumers are increasingly demanding multimedia. Since interlaced scanning technology is widely used in the video field, consumers find that on high-resolution display devices, interlaced scanning technology has the disadvantages of line crawling, edge feathering and interlacing, which leads to interlaced scanning technology that cannot satisfy consumers' high multimedia. Claim.

In order to eliminate the above drawbacks, operators have introduced a technology to convert interlaced video into progressive scan video, namely De-interlacing, also known as de-interlacing. Deinterlacing is the top field in the original interlaced scan (pixels of odd scan lines have pixel values, pixels of even rows have no pixel values) or bottom field (pixels of even scan lines have pixel values, pixels of odd rows) The point has no pixel value. Interpolation is performed on the line without the pixel value by the interpolation operation to generate a frame image having one complete field.

In the prior art, the line averaging method and the field copy method are employed for the top field or the bottom field in the interlaced scanning. Taking the top field as an example, first select a detection point, and then judge whether the detected point moves according to the pixel point corresponding to the spatial position of the detected point in the adjacent top field, thereby estimating the interpolation adjacent to the detected point vertically. Whether the point moves, if it is judged that the detected point moves, the adjacent interpolation point is considered to be moving, and the line averaging method is adopted for the interpolation point, that is, the pixels of the upper and lower pixels of the vertical adjacent direction of the interpolation point are obtained. The average value, if not moving, uses the inter-field copy method, that is, the pixels of the point at the same spatial position of the bottom field corresponding to the interpolation point in the top field are copied.

However, the prior art only detects the pixel variation of the front and back top fields, and cannot detect the pixel variation of the bottom field between the front and back top fields, thereby causing missed detection, resulting in incorrect pixel values of the interpolation points after the interpolation operation. The reaction misses the change of the bottom field and finally affects the sharpness of the image. At the same time, by detecting whether the detection point in the top field is moving, it is estimated whether the pixel of the interpolation line in the top field moves, and the accuracy of the judgment method is not High, it is easy to cause misjudgment, which ultimately affects the image's unclearness. Moreover, in the process of row averaging for moving pixels, only the pixel value in the vertical direction is used, which will increase the pixel value error of the point to be interpolated. , causing the image to be unclear.

Summary of the invention

The embodiment of the invention provides a deinterlacing method, a deinterlacing device and a video processing system, which can prevent the pixel of the current frame from being missed, improve the accuracy of judging the motion state, and reduce the pixel value of the row to be interpolated. Error, which improves the sharpness of the image.

An embodiment of the present invention provides a deinterlacing method for video data, including:

Detecting a motion state of a top field pixel of a current frame in a video data with respect to a top field of an adjacent frame at a same spatial position, and detecting that a bottom field pixel of the current frame is in the same spatial position with respect to a bottom field of the adjacent frame The motion state of the pixel;

Judging whether a motion state of the pixel of the current frame relative to a pixel of the same spatial position of the adjacent frame is determined by determining whether a motion state of at least one pixel of the top field and the bottom field of the current frame is motion; The pixels to be interpolated are subjected to interpolation processing according to the motion state of the pixels of the current frame with respect to the pixels of the same spatial position of the adjacent frames.

The embodiment of the invention further provides a deinterlacing device for video data, including:

a detecting module, configured to detect a motion state of a top field pixel of a current frame in a video data with respect to a top field of an adjacent frame at a same spatial position, and detect a bottom field of the current frame relative to a bottom field of the adjacent frame a motion state of the pixel at the same spatial position; a determining module, configured to determine the current frame by determining whether a motion state of at least one pixel of the top spatial field and the bottom field of the current frame is motion The motion state of the pixels relative to the same spatial position of the adjacent frame;

And an interpolation module, configured to perform interpolation processing on the pixels of the interpolation row according to the motion state of the pixel of the current frame determined by the determining module with respect to the pixel of the same spatial position of the adjacent frame.

The embodiment of the invention further provides a video processing system for video data, including:

a data receiving device, configured to receive video data;

Deinterlacing means for detecting a motion state of a pixel of a top field of a current frame in a video data with respect to a top field of an adjacent frame at a same spatial position, and detecting a bottom field pixel of the current frame relative to a bottom of the adjacent frame Determining the motion state of the pixel in the same spatial position; determining whether the pixel of the current frame is relative by determining whether the motion state of at least one pixel of the top field and the bottom field of the current frame is motion The motion state of the pixel in the same spatial position of the adjacent frame; and interpolating the pixels of the interpolation row according to the motion state of the pixel of the current frame with respect to the same spatial position pixel of the adjacent frame.

It can be seen from the above technical solution that the motion state of the top field pixel of the current frame in the video data relative to the top field of the adjacent frame in the same spatial position is detected, and the bottom field pixel of the current frame is detected. The motion state of the pixel in the same spatial position of the bottom field of the adjacent frame; and determining whether the motion state of at least one pixel of the top field and the bottom field of the current frame is motion The motion state of the pixel of the current frame relative to the same spatial position pixel of the adjacent frame; and the pixel of the interpolation row is interpolated according to the motion state of the pixel of the current frame with respect to the pixel of the same spatial position of the adjacent frame. This ensures that the pixels of the current frame are not missed, improves the accuracy of determining the motion state of the pixels of the current frame, and reduces the pixel value error of the point to be interpolated, thereby improving the sharpness of the image.

BRIEF DESCRIPTION OF THE DRAWINGS

1 is a schematic structural diagram of a video processing system according to Embodiment 1 of the present invention;

2 is a general flowchart of a deinterlacing method according to Embodiment 2 of the present invention;

3 is a detailed flowchart of a deinterlacing method according to Embodiment 3 of the present invention;

4 is a top field diagram of a current frame of a deinterlacing method according to Embodiment 3 of the present invention;

5 is a bottom field diagram of a current frame of a deinterlacing method according to Embodiment 3 of the present invention;

6 is a top field diagram of an adjacent frame of a deinterlacing method according to Embodiment 3 of the present invention;

7 is a bottom field diagram of an adjacent frame of a deinterlacing method according to Embodiment 3 of the present invention;

8 is a schematic diagram of a pixel absolute difference of a top field of a current frame according to a deinterlacing method according to Embodiment 3 of the present invention; FIG. 9 is an absolute pixel of a bottom field of a current frame according to a deinterlacing method according to Embodiment 3 of the present invention; FIG. 10 is a schematic diagram showing the identification of the absolute difference of the pixel of the top field of the current frame in the deinterlacing method according to Embodiment 3 of the present invention; FIG. 11 is the current frame of the deinterlacing method according to Embodiment 3 of the present invention; A schematic diagram of the identification of the absolute difference of the pixels of the bottom field; FIG. 12 is a schematic diagram showing an extension of an identifier of a pixel absolute difference of a top field of a current frame according to a deinterlacing method according to Embodiment 3 of the present invention; FIG.

13 is a schematic diagram showing an extension of an identifier of a pixel absolute difference of a bottom field of a current frame in a deinterlacing method according to Embodiment 3 of the present invention;

14 is a schematic diagram of a first operation result of a current frame of a deinterlacing method according to Embodiment 3 of the present invention; FIG. 15 is a schematic diagram of a second operation result of a current frame of a deinterlacing method according to Embodiment 3 of the present invention;

16 is a detailed flowchart of a deinterlacing method according to Embodiment 4 of the present invention;

17 is a schematic diagram of blocking of a top field of a current frame of a deinterlacing method according to Embodiment 4 of the present invention;

18 is a schematic diagram of blocking of a top field of an adjacent frame in a deinterlacing method according to Embodiment 4 of the present invention;

19 is a schematic diagram of blocking of a bottom field of a current frame of a deinterlacing method according to Embodiment 4 of the present invention;

20 is a schematic diagram of blocking of a bottom field of an adjacent frame in a deinterlacing method according to Embodiment 4 of the present invention;

21 is a schematic diagram of a pixel absolute difference of a block of a top field of a current frame according to a deinterlacing method according to Embodiment 4 of the present invention; FIG. 22 is a bottom field of a current frame of the deinterlacing method according to Embodiment 4 of the present invention; FIG. 23 is a schematic diagram showing the identification of the pixel absolute difference of the block of the top field of the current frame in the deinterlacing method according to Embodiment 4 of the present invention;

24 is a schematic diagram showing identification of pixel absolute differences of blocks of a bottom field of a current frame in a deinterlacing method according to Embodiment 4 of the present invention;

25 is a general flowchart of a deinterlacing method according to Embodiment 5 of the present invention;

26 is a detailed flowchart of a deinterlacing method according to Embodiment 6 of the present invention;

Figure 27 is a detailed flow chart of the deinterlacing method provided in Embodiment 7 of the present invention.

Mode for carrying out the invention

Embodiment 1 FIG. 1 is a schematic structural diagram of a video processing system 10 according to Embodiment 1 of the present invention. The video processing system 10 includes a data receiving device 12 and a deinterlacing device 11, wherein:

The data receiving device 12 is configured to receive video data;

The deinterlacing device 11 is configured to perform deinterlacing processing on the received video data, and specifically includes: detecting motion of a pixel of a top field of a current frame in the video data with respect to a top field of an adjacent frame at a same spatial position. a state, detecting a motion state of a pixel of a bottom field of the current frame relative to a pixel of a same spatial position of a bottom field of the adjacent frame, and determining whether the pixel of the same spatial position of the top field and the bottom field of the current frame has at least The motion state of one pixel is motion to determine the motion state of the pixel of the current frame relative to the pixel of the same spatial position of the adjacent frame, and according to the motion of the pixel of the current frame relative to the pixel of the same spatial position of the adjacent frame The state treats the pixels in the interpolated row for interpolation. The pixels to be interpolated are included in the current frame and the pixels in the adjacent frame to be interpolated.

In the first embodiment, the deinterlacing device 11 includes: a detecting module 110, a determining module 130, and an interpolation module 140, where:

The detecting module 110 is configured to detect a motion state of a pixel of a top field of a current frame in a video field with respect to a pixel of a same spatial position of a top field of an adjacent frame, and detect a pixel of a bottom field of the current frame relative to an adjacent frame. The bottom of the same spatial position of the pixel An active state, wherein the pixel comprises a pixel point and a pixel block. In the first embodiment, each frame can be divided into a top field and a bottom field, and pixels of odd rows in the top field have pixel values, and pixels of even rows have no pixel values; pixels of even rows in the bottom field have The pixel value, the pixel of its odd row has no pixel value.

The determining module 130 is configured to determine, by determining whether a pixel of the same spatial position of the top field and the bottom field of the current frame is a motion state of at least one pixel, to determine that the pixel of the current frame is the same space as the adjacent frame. The motion state of the pixel of the position; the interpolation module 140 is configured to: according to the motion state of the pixel of the current frame determined by the determining module 130 relative to the pixel of the same spatial position of the adjacent frame, the pixel in the row to be interpolated Perform interpolation operations.

In addition, the determining module 130 may be further configured to: when the motion state of the pixel of the same spatial position of the top field and the bottom field of the current frame is at least one pixel, determine that the pixel of the current frame is relative to the adjacent frame. The motion state of the pixel in the same spatial position is motion; and when the motion state of the pixel of the same spatial position of the top field and the bottom field of the current frame is not moving, determining that the pixel of the current frame is adjacent to the adjacent The motion state of a pixel in the same spatial position of the frame is still.

The interpolation module 140 described above may include an intra-field interpolation module 141 and an inter-field interpolation module 142, where:

The intra-field interpolation module 141 is configured to perform an intra-field interpolation operation on the pixels in the motion-to-interpolation row that are in motion; the inter-field interpolation module 142 is configured to use the motion state in the to-be-interpolated row. Inter-field interpolation is performed for still pixels. In addition, the pixel may be a pixel, and the detecting module 110 may be further configured to determine whether a pixel absolute difference of a pixel point of the same spatial position of the top field of the current frame and the top field of the adjacent frame is And greater than the first threshold value, to detect a motion state of a pixel point of a top field of the current frame relative to a same spatial position of the top field of the adjacent frame; and determining a bottom field and a phase of the current frame by determining Whether the pixel absolute difference of the pixel point of the same spatial position of the bottom field of the adjacent frame is greater than the first threshold value, to detect the pixel of the current frame bottom field relative to the same spatial position of the adjacent frame bottom field The state of motion of the point.

The detection module 110 is further configured to divide the top field and the bottom field of the current frame and the top field and the bottom field of the adjacent frame into multiple pixel blocks. For example, if the image size of the frame is N*M, Then, the detecting module 110 divides the top field and the bottom field of the frame into pixel blocks by N* (M/2), and may also perform blocking in other manners. And determining whether the pixel absolute difference of the pixel point of the pixel block of the pixel unit of the top field of the current frame and the pixel location of the same spatial position of the top field of the adjacent frame is greater than a second threshold value. Detecting a motion state of a pixel point of each pixel block of the top field of the current frame; determining a pixel of the same spatial position of a bottom field of each pixel block of the current frame by determining a bottom field of the current frame Whether the absolute difference of the pixel points of the block is greater than the second threshold value to detect the motion state of the pixel point of each pixel block of the bottom field of the current frame. Here, each block of the top field of the current frame forms a one-to-one correspondence with each pixel block of the top field of the adjacent frame in a spatial position.

In addition, the de-interlacing device 11 may further include an operation module 120, where the operation module 120 is configured to identify a motion state of a pixel point of each pixel block of the top field and the bottom field of the current frame, and collect the current The number of motion pixel points for each pixel block in the top field and bottom field of the frame. In the first embodiment, the operation module 120 can mark the moving pixel points with 1 or other values; the static pixels can be identified by 0, and other values can be used for identification.

The detecting module 110 is further configured to detect, by determining whether the motion state of each pixel block in the top field is the number of moving pixel points is greater than a third threshold, to detect each pixel block of the top field. a motion state; and detecting a motion state of each pixel block of the bottom field by determining whether the number of motion pixel points of each pixel block in the bottom field is greater than the third threshold value.

In addition, the operation module 120 is further configured to identify a motion state of a pixel of a top field and a bottom field of the current frame; The identification of the motion state of the top field pixel is ORed with the identification of the motion state of the pixel at the same spatial position in the bottom field. In the first embodiment, the operation module 120 performs an OR operation on the identifier of the top field pixel point of the current frame and the identifier of the bottom field pixel point.

The determining module 130 is further configured to determine, by using the motion identifier in the operation result of the judgment or the operation, whether the pixel of the same spatial position of the top field and the bottom field of the current frame has a motion state of at least one pixel as motion. In the first embodiment, when the determining module 130 determines that the pixel of the current frame is moving, the intra-field interpolation module 141 is notified to perform intra-field interpolation on the pixels in the current frame to be interpolated, in the actual implementation process, The intra-field interpolation operation can be implemented by the interpolation operation method in the prior art, such as edge adaptive filtering, edge line average interpolation, etc. Meanwhile, when the determining module 130 determines that the pixel of the current frame is stationary, the inter-field interpolation is notified. The module 142 performs inter-field interpolation motion on the pixels in the row to be interpolated of the current frame, for example, a pixel copy algorithm may be employed.

The determining module 130 is further configured to determine whether the current frame is globally moved relative to the adjacent frame by determining whether the proportion of the motion identifier after the result is greater than a fourth threshold, and determining that the proportion of the motion identifier is greater than The four threshold value determines that the current frame is globally moved relative to the adjacent frame.

If the determining module 130 determines that the pixel of the current frame is a global motion, the intra-field interpolation module 141 is notified to perform intra-field interpolation on the pixel of the current frame. For example, an adaptive filtering algorithm may be used for the motion; if the determining module 130 determines the current frame If the pixel is not a global motion, it is determined whether the pixel of the same spatial position of the top field and the bottom field of the current frame is the motion state of at least one pixel of the current frame by the motion identifier in the operation result after the judgment or the operation.

By the deinterlacing device and the video processing system provided in Embodiment 1 of the present invention, it is ensured that the pixels of the current frame are not missed, the accuracy of determining the motion state of the pixels of the current frame is improved, and the value to be interpolated is reduced. The pixel value error of the point increases the sharpness of the image.

It should be noted that, in the foregoing system and device embodiments, the included units are only divided according to functional logic, but are not limited to the foregoing division, as long as the corresponding functions can be implemented; The specific names are also for convenience of distinguishing from each other and are not intended to limit the scope of the present invention.

Embodiment 2: Embodiment 2 of the present invention provides a deinterlacing method, and FIG. 2 is a general flowchart of a deinterlacing method provided by Embodiment 2 of the present invention, and the figure includes:

Step S200, receiving video data.

Step S202, detecting a motion state of a pixel of a top field of the current frame in the video data with respect to a pixel of a same spatial position of a top field of the adjacent frame, and detecting a bottom field of the current frame relative to a bottom field of the adjacent frame. The motion state of pixels in the same spatial position.

Step S204, determining whether the pixel of the current frame is relative to the pixel of the same spatial position of the adjacent frame by determining whether the pixel of the same spatial position of the top field and the bottom field of the current frame is motion of at least one pixel. Movement state.

In the second embodiment, step S204 further includes the following steps: Step A: identifying a motion state of a pixel of a top field and a bottom field of the current frame; Step B, identifying an activity state of the top field pixel Performing an operation with the identifier of the motion state of the pixel at the same spatial position in the bottom field; Step C: determining the same spatial position of the top field and the bottom field of the current frame by using the motion identifier in the operation result after the judgment or operation Whether the pixel has at least one pixel of motion is motion.

Step S206, performing an intra-field interpolation operation on the pixels whose motion state is to be interpolated in the current frame to be moved, and then performing step S210, outputting the processed current frame, and ending. Step S208, performing inter-field interpolation on the pixels whose motion state of the current frame to be interpolated is still, and then performing step S210, and ending.

The pixels to be interpolated are included in the current frame and the pixels of the adjacent frame in the adjacent frame.

Embodiment 3: Embodiment 3 of the present invention provides another deinterlacing method. FIG. 3 is a detailed flowchart of another deinterlacing method provided by Embodiment 3 of the present invention, and the figure includes:

Step S300: Receive video data, where the video data is interlaced video data, where each frame of the video data includes a pixel of a top field and a pixel of a bottom field.

Step S302, calculating a pixel absolute difference of pixel points of the same spatial position of the top field of the current frame and the top field of the adjacent frame, and calculating a pixel point of the bottom field of the same spatial position of the bottom field of the current frame and the adjacent frame. The absolute difference in pixels.

For example, divide a current frame of size 8 X 6 into the top field of the current frame of size 8 X 6 (as in Figure 4) and the bottom field of the current frame of size 8 X 6 (Figure 5). Since the pixels of the odd-numbered rows of the top field have pixel values, and the pixels of the even-numbered rows have no pixel values, the row can also be used as an interpolation row, so the pixel value of the pixels of the even-numbered rows in the top field is set to 0, and The pixel is used as the interpolation point, and the bottom field is opposite to the top field. The pixel of the even line in the bottom field has the pixel value, and the pixel of the odd line has no pixel value, so the odd line is used as the interpolation line; similarly, the adjacent The frame is divided into a top field of 8x6 adjacent frames (as in Figure 6) and a bottom field of adjacent frames of size 8 x 6 (Figure 7). Pixel absolute difference calculation is performed on the top field of the current frame and the pixel of the top field of the same spatial position of the adjacent frame, and FIG. 8 is obtained _; the bottom field of the current frame and the bottom field of the same spatial position of the adjacent frame are obtained. The pixel is subjected to pixel absolute difference calculation, and FIG. 9 is obtained.

Step S304, detecting a motion state of a pixel point of a pixel position of a current frame top field relative to a same spatial position of an adjacent frame top field, and detecting a same spatial position of a pixel point of a current frame bottom field relative to an adjacent frame bottom field. The motion state of the pixel.

In the third embodiment, the same space of the top field of the current frame is detected by determining whether the pixel absolute difference of the pixel points of the same spatial position of the top field of the current frame and the top field of the adjacent frame is greater than the first threshold value. The motion state of the pixel of the position relative to the pixel of the top field of the adjacent frame, and whether the absolute difference of the pixel of the pixel of the same spatial position of the bottom field of the current frame and the bottom field of the adjacent frame is greater than the first gate The limit value is used to detect the motion state of the pixel point of the current frame bottom field relative to the same spatial position of the adjacent frame bottom field. In a specific implementation process, the first threshold may be 5 or other values.

If the motion state of the pixel point of the same spatial position of the top field of the adjacent frame is detected to be stationary, or the pixel position of the bottom field of the current frame is detected with respect to the same spatial position of the bottom field of the adjacent frame When the motion state of the pixel is still, the process proceeds to step S306, and the motion state of the stationary pixel is identified by 0, and other values may be used for identification. For example, if the pixel absolute difference of the pixel in FIG. 8 is less than 5, that is, stationary, the motion state of the pixel is identified by 0. Similarly, if the pixel absolute difference of the pixel in FIG. 9 is less than 5, that is, if it is still, use 0 to identify the motion state of the pixel.

If it is detected that the motion state of the pixel point of the top field of the current frame relative to the same spatial position of the adjacent frame top field is motion, and detecting the same spatial position of the pixel point of the bottom field of the current frame relative to the bottom field of the adjacent frame When the motion state of the pixel is motion, the process proceeds to step 308, and the motion state of the moving pixel is identified by 1, and may be identified by other values. For example, comparing each value in FIG. 8 of the top field with the first threshold value, if the pixel absolute difference of the pixel in FIG. 10 is greater than 5, that is, motion, the pixel is identified by 1 For the same reason, if the pixel absolute difference of the pixel in FIG. 9 is greater than 5, that is, motion, the motion state of the pixel is identified by 1. After step S306 or step S308 is performed, FIG. 10 of the top field and FIG. 11 of the bottom field are obtained.

Step S310, the identifier of the motion state of the top field pixel point is ORed with the identifier of the motion state of the pixel point of the same spatial position in the bottom field.

In the third embodiment, before the OR operation, the identifier of the top field after the judgment and the identifier of the bottom field need to be expanded, including two cases, as follows:

In the first case, in the top field, since the even rows are always 0, the identifiers of the odd rows adjacent to the even rows are copied into the even rows, that is, FIG. 10 is changed to that shown in FIG. 12; similarly, the bottom field is Fig. 11 is changed to Fig. 13. Finally, the top field after the expansion is ORed with the flag of the bottom field, that is, the sign of Fig. 12 and Fig. 13 is ORed to obtain Fig. 14.

In the third embodiment, the result of the operation is still an identifier, that is, after an identifier is ORed with another identifier, the result is still an identifier, and the identifier still identifies the motion state of a certain pixel. As shown in Fig. 14, 1 indicates that the motion state of one pixel of the current frame is motion, and 0 indicates that the motion state of another pixel of the current frame is still.

In the second case, in the top field, the even rows are set to 0. Similarly, the odd rows in the bottom field are set to 0. Since the pixel values of the even rows in the top field are 0, the top field after expansion and the unexpanded The previous identifier has not changed. Similarly, the bottom field after expansion and the identifier before expansion are unchanged. Finally, the top field and the bottom field identifier are ORed, and the result shown in FIG. 15 is obtained.

Step S312, judging the motion state of the pixel point of the current frame with respect to the pixel position of the same spatial position of the adjacent frame by the motion identifier in the operation result after the judgment or the operation.

In the third embodiment, if the bottom field interpolation operation is performed on the current frame, the motion state of the pixel point of the interpolation line of the bottom field is judged. If the top field interpolation operation is performed on the current frame, the motion state of the pixel point of the interpolation line of the top field is judged.

If it is determined that the motion state of the pixel point of the current frame relative to the same spatial position of the adjacent frame is motion motion, then step S314 is performed, and an intra-field interpolation operation is performed on the pixel point. In the third embodiment, when the bottom field of the current frame is interpolated, if the motion state of the pixel of the interpolation line of the bottom field is determined to be motion, the intra-field interpolation operation is performed on the pixel point (ie, the interpolation point). Similarly, when an interpolation operation is performed on the top field of the current frame, if it is determined that the pixel of the interpolation field of the top field is moving, an intra-field interpolation operation is performed on the pixel point (ie, the interpolation point).

If it is determined that the motion state of the pixel point of the current frame with respect to the same spatial position of the adjacent frame is still, then the process proceeds to step S316, and an inter-field interpolation operation is performed on the pixel point. In the third embodiment, when the bottom field of the current frame is interpolated, if the motion state of the pixel of the interpolation line of the bottom field is determined to be stationary, the inter-field interpolation operation is performed on the pixel point (ie, the interpolation point). Similarly, when an interpolation operation is performed on the top field of the current frame, if it is determined that the motion state of the pixel of the interpolation field of the top field is stationary, an inter-field interpolation operation is performed on the pixel point (ie, the interpolation point). In the third embodiment, the intra-field interpolation operation is an edge-adaptive filtering algorithm, and the inter-field interpolation operation is a pixel copy algorithm. Since intra-field interpolation and inter-field interpolation are well-known techniques, they are not described here.

After performing step S314 or S316, step S318 is executed to output the current frame after the operation.

By implementing the technical solution of Embodiment 3 of the present invention, the accuracy of determining the motion state of the pixel of the current frame can be improved, thereby ensuring that the pixel point of the current frame does not cause missed detection, and the pixel error of the point to be inserted is reduced. Thereby improving the sharpness of the image.

Embodiment 4: Embodiment 4 of the present invention provides another deinterlacing method. FIG. 16 is a detailed flowchart of another deinterlacing method according to Embodiment 4 of the present invention. The figure includes: Step S400, receiving a video data stream.

Step S402, dividing the top field and the bottom field of the current frame and the adjacent frame into a plurality of pixel blocks.

In the fourth embodiment, if the image size of the frame is N*M, the detecting module 110 blocks the top field and the bottom field of the frame by N* (M/2), and may also perform blocking in other manners. If the image size of the frame is assumed to be 8x12, the top field and the bottom field of the frame are divided into two pixel blocks by 8x6, as shown in Fig. 17 as the top field of the current frame, and Fig. 18 is the bottom field of the current frame, and Fig. 19 is adjacent The top field of the frame, Figure 20 is the bottom field of the adjacent frame.

Step S404, calculating a pixel absolute difference of a pixel of a top field of a top field of the current frame and an identical spatial position of an adjacent frame, and calculating a pixel point of a bottom field of the same spatial position of the bottom field of the current frame and the adjacent frame. The absolute difference.

In the fourth embodiment, the absolute difference of the pixels of the top field can be obtained by calculation, as shown in Fig. 21; similarly, the absolute difference of the pixels of the bottom field can be obtained, as shown in Fig. 22.

Step S406, detecting a motion state of a pixel point of a pixel block of each pixel block in a top field of a current frame with respect to a same spatial position of a top field of an adjacent frame, and detecting each pixel block of a bottom field of the current frame. The motion state of the pixel point of the pixel block relative to the same spatial position of the bottom field of the adjacent frame.

In the fourth embodiment, whether the pixel absolute difference of the pixel points of the pixel block of the pixel position of each pixel block of the top field of the current frame and the pixel of the same spatial position of the adjacent frame is greater than the second threshold value. To detect the motion state of the pixel point of each pixel block of the top field of the current frame, and to determine the pixel point of the pixel block of the same spatial position of the pixel point of each pixel block of the bottom field of the current frame and the bottom field of the adjacent frame. Whether the absolute difference is greater than the second threshold to detect the motion state of the pixel of each pixel block of the bottom field of the current frame. In the fourth embodiment, the second threshold value may be 2, and may be other values.

If the motion state of the pixel point of the pixel block of each pixel block in the top field of the current frame is detected to be stationary relative to the pixel position of the same spatial position in the top field of the adjacent frame, or if the bottom field of the current frame is detected If the pixel of each pixel block is stationary relative to the pixel of the pixel block of the same spatial position in the bottom field of the adjacent frame, the process proceeds to step S408, and the motion state of the pixel is marked with 0, and other values may be used. Mark it.

If the motion state of the pixel point of the pixel block of each pixel block in the top field of the current frame relative to the pixel position of the same spatial position in the top field of the adjacent frame is detected as motion, or if the bottom field of the current frame is determined The motion state of the pixel point of the pixel block of each pixel block relative to the pixel position of the same spatial position in the bottom field of the adjacent frame is motion, and then proceeds to step S410, and the motion state of the pixel point is identified by 1, Other values can also be used to identify and count the number of motion pixel points for each pixel block in the top and bottom fields.

After performing step S408 or S410, the identification map of the top field can be obtained, as shown in FIG. 23; similarly, the identification map of the bottom field can be obtained, as shown in FIG.

Step S412, detecting a motion state of each pixel block in the top field and the bottom field.

In the fourth embodiment, the motion state of each pixel block in the top field is detected by determining whether the number of motion pixel points of each pixel block in the top field is greater than a third threshold value, and by determining the bottom field Whether the number of moving pixel points of each pixel block is greater than a third threshold value determines the motion state of each pixel block in the bottom field. In the fourth embodiment, the third threshold value is 11, and may be other values.

If it is determined that the motion state of the pixel block in the top field is motion, or if it is determined that the motion state of the pixel block in the bottom field is motion, the process proceeds to step S416, and the motion state of the block is marked as 1, and other values may be used. Logo. If it is determined that the pixel block in the top field is not a motion block, or if it is determined that the pixel block in the top field is not a motion block, that is, a static block, the process proceeds to step S414, and the block is identified as 0, and may be identified by other values.

In the fourth embodiment, in FIG. 23, the number of the identifier of the left pixel block in the top field is 12, and the number of the identifier 1 of the right pixel block is 2 _{; in} FIG. 24, the left pixel block in the bottom field The number of the identifier 1 is 14, and the number of the identifier of the right pixel block is 15. The motion state of the pixel block on the left side of the top field is identified as 1, the motion state of the right pixel block is 0, and the pixel on the left side of the bottom field. The motion state of the block is identified by 1, and the motion state of the right pixel block is identified as 1.

Step S418, the identifier of the motion state of each pixel block in the top field is ORed with the identifier of the motion state of the pixel block in the same spatial position in the bottom field.

In the fourth embodiment, if the identifier of the motion state of the left pixel block in the top field is ORed with the identifier of the motion state of the left pixel block in the bottom field, the operation result is 1; the right pixel block in the top field is The operation state is ORed with the flag of the motion state of the right pixel block in the bottom field, and the operation result is 1.

Step S420: Determine a motion state of a pixel block of the same spatial position of each pixel block of the current frame with respect to the adjacent frame. In the fourth embodiment, the motion state of the pixel block of the same spatial position of each pixel block of the current frame with respect to the adjacent frame is judged by judging the motion flag in the OR operation result in step S418.

If it is determined that the motion state of the pixel block of the current frame is motion, the process proceeds to step S422, and the intra-frame interpolation operation is performed on the block of the current frame. In the fourth embodiment, when the bottom field of the current frame is interpolated, an intra-field interpolation operation is performed on all the interpolation lines in the block of the bottom field. When the top field of the current frame is interpolated, an interpolated operation is performed on all interpolated lines in the block of the top field.

If it is determined that the motion state of the pixel block of the current frame is still, the process proceeds to step S424, and the inter-field interpolation operation is performed on the block of the current frame. In the fourth embodiment, when the bottom field of the current frame is interpolated, inter-field interpolation is performed on all the interpolated lines in the block of the bottom field. When interpolating the top field of the current frame, inter-field interpolation is used for all interpolated lines in the block of the top field.

In the fourth embodiment, since the operation results are all 1, the process proceeds to step S422.

After step S422 or S424 is performed, step S426 is executed to output the processed current frame.

In the fourth embodiment, step S422 is executed, and the processed current frame is output.

Embodiment 5: In order to further improve the clarity of an image, Embodiment 5 of the present invention provides another deinterlacing method, and FIG. 25 is a general flowchart of another deinterlacing method provided by Embodiment 5 of the present invention. The figure includes:

Step S500, receiving video data.

Step S502, detecting a motion state of a pixel of a top field of the current frame in the video data with respect to a pixel of a same spatial position of a top field of the adjacent frame, and detecting a bottom field of the current frame with respect to a bottom field of the adjacent frame. The motion state of pixels in the same spatial position.

Step S504, determining whether the current frame is globally moved with respect to the adjacent frame.

In the embodiment 5, the step S504 further includes the following steps: Step C: identifying a motion state of a pixel of a top field and a bottom field of the current frame; Step D: identifying an activity state of the top field pixel And performing an operation with the identifier of the motion state of the pixel in the same spatial position in the bottom field; Step F: determining whether the current frame is relative to the adjacent frame by determining whether the specific gravity of the motion identifier after the result is greater than a fourth threshold Global movement.

If it is determined that the current frame is a global motion, then step S508 is reached.

If it is determined that the current frame is not global motion, proceed to step S506, and further determine the phase of the top field and the bottom field of the current frame. Whether the pixel of the same spatial position has a motion state of at least one pixel is motion to determine the motion state of the pixel of the current frame relative to the pixel of the same spatial position of the adjacent frame.

If it is determined that the pixel of the current frame is moving relative to the pixel of the adjacent frame, the process proceeds to step S508, and the current frame is subjected to the intra-field interpolation operation, and then step S512 is performed, and the processed current frame is output, and the process ends.

If it is determined that the pixel of the current frame is stationary with respect to the pixel of the adjacent frame, the process proceeds to step S510, and the inter-field interpolation operation is performed on the current frame, and then step S512 is performed, and the process ends.

Embodiment 6: Embodiment 6 of the present invention provides another deinterlacing method. FIG. 26 is a detailed flowchart of another deinterlacing method according to Embodiment 6 of the present invention. The figure includes:

In the sixth embodiment, the implementation process of step S600 to step S610 is the same as the implementation process of step S300 to step S310 in the embodiment 3, and is not described here.

Step S612: Determine whether the current frame is globally moved with respect to the adjacent frame.

In the sixth embodiment, it is judged whether the current frame is globally moved with respect to the adjacent frame by determining whether the specific gravity of the motion indicator of the pixel point in the calculated flag is greater than the fourth threshold value. In the sixth embodiment, the fourth threshold value is 50%, and may be other values, but at least 50% or more.

If it is determined that the current frame is globally moved with respect to the adjacent frame, then step S614 is reached.

If it is determined that the current frame is not globally moved with respect to the adjacent frame, then step S616 is continued to continue to determine the motion state of the pixel of the current frame relative to the pixel position of the same spatial position of the adjacent frame.

If it is determined that the motion state of the pixel point of the current frame relative to the pixel position of the same spatial position of the adjacent frame is motion, then step S614 is performed, and an intra-field interpolation operation is performed on the pixel point. In the sixth embodiment, when the bottom field of the current frame is interpolated, if the motion state of the pixel of the interpolation line of the bottom field is determined to be motion, the intra-field interpolation operation is performed on the pixel point (ie, the interpolation point). Similarly, when an interpolation operation is performed on the top field of the current frame, if it is determined that the pixel of the interpolation field of the top field is moving, an intra-field interpolation operation is performed on the pixel point (ie, the interpolation point).

If it is determined that the motion state of the pixel point of the current frame with respect to the same spatial position of the adjacent frame is still, then the process proceeds to step S618, and an inter-field interpolation operation is performed on the pixel point. In the sixth embodiment, when the bottom field of the current frame is interpolated, if the motion state of the pixel of the interpolation line of the bottom field is determined to be stationary, inter-field interpolation is used for the pixel (ie, the interpolation point). Similarly, when an interpolation operation is performed on the top field of the current frame, if it is determined that the pixel of the interpolation field of the top field does not move, an inter-field interpolation operation is performed on the pixel point (ie, the interpolation point).

After performing step S614 or S618, step S620 is performed to output the current frame after the operation.

Embodiment 7: Embodiment 7 of the present invention provides another deinterlacing method. FIG. 27 is a detailed flowchart of another deinterlacing method according to Embodiment 7 of the present invention. The figure includes:

In the seventh embodiment, the implementation process of step S700 to step S718 is the same as the implementation process of step S400 to step S418 in the embodiment 4, and is not described here.

Step S720: Determine whether the current frame is globally moved with respect to the adjacent frame.

In the seventh embodiment, it is determined whether the current frame is globally moved with respect to the adjacent frame by determining whether the specific gravity of the motion indicator of the pixel block in the calculated identifier is greater than the fourth threshold. In the seventh embodiment, the fourth threshold value is 50%, and other values may be used. But at least 50% or more.

If it is determined that the current frame is globally moved with respect to the adjacent frame, then step S722 is reached.

If it is determined that the current frame is not globally moved with respect to the adjacent frame, the process proceeds to step S724, and it is determined that the motion identifier in the operation result after each pixel block operation is determined to determine that each pixel block of the current frame is the same as the adjacent frame. The motion state of the pixel block in the spatial position.

If it is determined that the motion state of each pixel block of the current frame relative to the same spatial position of the adjacent frame is motion, then step S722 is performed, and an intra-field interpolation operation is performed on the block. In the seventh embodiment, when the bottom field of the current frame is interpolated, an intra-field interpolation operation is performed on all the interpolation lines in the block of the bottom field. When the top field of the current frame is interpolated, an interpolated operation is performed on all interpolated lines in the block of the top field.

If it is judged that the motion state of each pixel block of the current frame with respect to the same spatial position of the adjacent frame is still, then the flow proceeds to step S726, where an inter-field interpolation operation is employed. In the seventh embodiment, when the bottom field of the current frame is interpolated, inter-field interpolation is performed on all the interpolated lines in the block of the bottom field. When interpolating the top field of the current frame, inter-field interpolation is used for all interpolated lines in the block of the top field.

After step S722 or S726 is performed, step S728 is performed to output the current frame after the operation.

Through the implementation of the foregoing technical solutions of Embodiments 6 and 7, it is ensured that the pixels of the current frame are not missed, the accuracy of determining the motion state of the pixels of the current frame is improved, and the pixel error of the point to be interpolated is reduced, thereby Improve the clarity of the image.

In addition, those skilled in the art can understand that all or part of the steps in the methods provided by the embodiments of the present invention can be completed by using related hardware. For example, it can be completed by a computer running program, which can be stored in a readable storage medium such as a random access memory, a magnetic disk, an optical disk, or the like.

It should be noted that the above embodiments are only intended to illustrate the technical solutions of the present invention and are not to be construed as limiting the embodiments of the present invention. The technical solutions of the present invention may be modified or equivalently substituted, and the modified technical solutions may not deviate from the spirit and scope of the technical solutions of the present invention.

Claims

Rights request

A deinterlacing method for video data, characterized in that it comprises:

Judging whether the pixel of the current frame is in motion with respect to the same spatial position pixel of the adjacent frame by determining whether the motion of the pixel of the same spatial position of the top field and the bottom field of the current frame is at least one pixel;

The pixels to be interpolated are interpolated according to the motion state of the pixels of the current frame relative to the pixels of the same spatial position of the adjacent frames.

2. The method according to claim 1, wherein the pixels of the row to be interpolated comprise: pixels of a current frame and an adjacent frame in an adjacent frame.

The method for deinterlacing video data according to claim 1, wherein the determining whether the pixel of the same spatial position of the top field and the bottom field of the current frame has at least one pixel is motion , to determine the motion state of the pixel of the current frame relative to the same spatial position pixel of the adjacent frame, specifically including:

When it is determined that the motion state of at least one pixel of the pixel of the same spatial position of the top field and the bottom field of the current frame is motion, the motion state of the pixel of the current frame relative to the pixel of the same spatial position of the adjacent frame is Exercise

When it is determined that the motion state of the pixel of the same spatial position of the top field and the bottom field of the current frame is not moving, the motion state of the pixel of the current frame relative to the pixel of the same spatial position of the adjacent frame is static. .

The deinterlacing method for video data according to claim 3, wherein the pixel of the interpolation row is interpolated according to a motion state of a pixel of the current frame with respect to a pixel of the same spatial position of an adjacent frame. Specifically, including:

Performing an intra-field interpolation operation on the pixels whose motion state is motion in the to-be-interpolated row, and performing inter-field interpolation operations on the pixels whose motion state is still in the to-be-interpolated row.

The deinterlacing method for video data according to claim 1, wherein the detecting the motion state of the top field pixel of the current frame in the video data with respect to the top field of the adjacent frame at the same spatial position And detecting the motion state of the pixel of the bottom field pixel of the current frame relative to the bottom field of the adjacent frame in the same spatial position, specifically including:

Detecting a pixel of a top field of the current frame by determining whether a pixel absolute difference of a pixel point at a same spatial position of a top field of the current frame and a top field of the adjacent frame is greater than a first threshold value a motion state of a pixel point at a same spatial position relative to a top field of the adjacent frame;

Detecting a pixel point of the bottom field of the current frame by determining whether a pixel absolute difference of a pixel point at a same spatial position of a bottom field of the current frame and a bottom field of an adjacent frame is greater than a first threshold value The state of motion of the pixel points at the same spatial position of the bottom field of the adjacent frame.

Dividing the top field and the bottom field of the current frame and the adjacent frame into a plurality of pixel blocks;

Determining pixels at the same spatial position of a pixel of each pixel block of the top field of the current frame and a top field of the adjacent frame Whether the pixel absolute difference of the pixel of the block is greater than the second threshold to determine the motion state of the pixel of each pixel block of the top field of the current frame;

Determining whether an absolute difference between a pixel point of a pixel block of each pixel block of the bottom field of the current frame and a pixel block at a same spatial position of a bottom field of the adjacent frame is greater than the second threshold value, The motion state of the pixel point of each pixel block of the bottom field of the current frame is determined.

Identifying a motion state of a pixel point of each pixel block of the top field and the bottom field of the current frame;

Counting, in the top field and the bottom field, the motion state of each pixel block in the bottom field is the number of identifiers of the moving pixel points; determining that the motion state of each pixel block in the top field is a moving pixel point Whether the number is greater than a third threshold to detect a motion state of each pixel block of the top field;

And detecting, by determining whether the number of motion pixel points of each pixel block in the bottom field is greater than the third threshold value, detecting a motion state of each pixel block of the bottom field.

The deinterlacing method for video data according to claim 1, wherein the determining whether the motion state of at least one pixel of the top field and the bottom field of the current frame is motion is The determining, by the pixel of the current frame, the motion state of the pixel in the same spatial position relative to the adjacent frame, specifically includes:

Identifying a motion state of a pixel of a top field and a bottom field of the current frame;

Performing or calculating an identifier of a motion state of the top field pixel and an identifier of a motion state of a pixel at the same spatial position in the bottom field;

Whether the pixel of the same spatial position of the top field and the bottom field of the current frame has a motion state of at least one pixel is motion by determining the motion identifier in the operation result after the operation or the operation.

The deinterlacing method for video data according to claim 8, wherein the determining the same space of the top field and the bottom field of the current frame by using the motion identifier in the operation result after the judgment or the operation Whether the pixel of the position has at least one pixel of motion state is motion, and specifically includes:

Whether the current frame is globally moved relative to the adjacent frame by determining whether the proportion of the motion identifier after the result is greater than the fourth threshold value;

If it is determined that the proportion of the motion indicator is greater than the fourth threshold, the current frame is globally moved relative to the adjacent frame, and the intraframe interpolation operation is performed on the current frame;

If it is determined that the proportion of the motion indicator is not greater than the fourth threshold, the current frame is not globally moved relative to the adjacent frame, and the top field of the current frame is determined by the motion identifier in the operation result after the judgment or operation. Whether the pixel of the same spatial position as the bottom field has a motion state of at least one pixel is motion.

10. A deinterlacing device for video data, comprising:

a detecting module, configured to detect a motion state of a top field pixel of a current frame in a video data with respect to a top field of an adjacent frame at a same spatial position, and detect a bottom field of the current frame relative to a bottom field of the adjacent frame The motion state of a pixel at the same spatial position; a judging module, configured to determine, by motion, that a pixel of the current frame is in the same spatial position as a pixel of the adjacent frame by determining whether a motion state of at least one pixel of the top field and the bottom field of the current frame is motion State of motion;

11. The deinterlacing device of claim 10, wherein

The determining module is further configured to: when the motion state of the pixel of the same spatial position of the top field and the bottom field of the current frame is at least one pixel, determine that the pixel of the current frame is the same space as the adjacent frame. The motion state of the pixel of the position is motion; and when the motion state of the pixel of the same spatial position of the top field and the bottom field of the current frame is not the motion state of the pixel, it is determined that the pixel of the current frame is the same as the adjacent frame The motion state of the pixel at the spatial position is stationary.

The deinterlacing device according to claim 11, wherein the interpolation module comprises:

An intra-field interpolation module, configured to perform an intra-field interpolation operation on a pixel whose motion state is to be inserted in the row;

The inter-field interpolation module is configured to perform inter-field interpolation on the pixels whose motion state is stationary in the row to be inserted.

13. The deinterlacing device of claim 10, wherein

The detecting module is further configured to detect, by determining whether a pixel absolute difference of a pixel point of a same spatial position of a top field of the current frame and a top field of the adjacent frame is greater than a first threshold value. a motion state of a pixel point of a top field of the current frame relative to a pixel point of the same spatial position of the adjacent frame top field; and by determining a pixel of the same spatial position of the bottom field of the current frame and the bottom field of the adjacent frame Whether the pixel absolute difference of the point is greater than the first threshold value, to detect the motion state of the pixel point of the current frame bottom field relative to the same spatial position of the adjacent frame bottom field.

14. The deinterlacing device of claim 10, wherein:

The detecting module is further configured to divide the top field and the bottom field of the current frame and the top field and the bottom field of the adjacent frame into a plurality of pixel blocks, by determining each pixel block of the top field of the current frame. Detecting whether the pixel absolute difference of the pixel point of the pixel block of the same spatial position of the top field of the adjacent frame is greater than a second threshold value to detect the pixel of each pixel block of the top field of the current frame a motion state of the point; and determining whether the absolute difference of the pixel points of the pixel block of the same spatial position of the pixel of each pixel block of the bottom field of the current frame and the bottom field of the adjacent frame is greater than the second gate a limit value to detect a motion state of a pixel point of each pixel block of the bottom field of the current frame.

The deinterlacing device according to claim 14, wherein the device further comprises:

An operation module, configured to identify a motion state of a pixel point of each pixel block of the top field and the bottom field of the current frame, and collect a motion pixel point identifier of each pixel block in the top field and the bottom field of the current frame The number.

16. The deinterlacing device of claim 15 wherein:

The detecting module is further configured to detect, by determining whether the motion state of each pixel block in the top field is the number of pixels of the motion is greater than a third threshold, to detect each pixel block of the top field. a motion state; and detecting a motion state of each pixel block of the bottom field by detecting whether the number of motion pixel points of each pixel block in the bottom field is greater than the third threshold value.

17. The deinterlacing device of claim 15 wherein:

The operation module is further configured to identify a motion state of a pixel of a top field and a bottom field of the current frame, and identify a motion state of the top field pixel and a motion of a pixel at a same spatial position in a bottom field The identity of the state is ORed.

18. The deinterlacing device of claim 17 wherein:

The determining module is further configured to determine, by using the motion identifier in the operation result of the judgment or the operation, whether the pixel of the same spatial position of the top field and the bottom field of the current frame has a motion state of at least one pixel as motion.

19. The deinterlacing device of claim 18, wherein

The determining module is further configured to determine whether the current frame is globally moved relative to the adjacent frame by determining whether the proportion of the motion identifier after the result is greater than a fourth threshold; and the proportion of the motion identifier is greater than the fourth At the threshold value, it is judged that the current frame is globally moved with respect to the adjacent frame.

20. A video processing system for video data, comprising:

a data receiving device, configured to receive video data;

The video processing system according to claim 20, wherein the deinterlacing device comprises:

22. The video processing system of claim 21, wherein:

The video processing system according to claim 22, wherein the interpolation module comprises:

An intra-field interpolation module, configured to perform an intra-field interpolation operation on a pixel whose motion state is motion in the row to be interpolated; an inter-field interpolation module, configured to perform a field on the pixel in which the motion state in the row to be interpolated is still Interpolation operation.

24. The video processing system of claim 21, wherein:

25. The video processing system of claim 21, wherein:

The video processing system according to claim 25, wherein the deinterlacing device further comprises: an operation module, configured to identify a pixel of each pixel block of the top field and the bottom field of the current frame The motion state, and counting the number of motion pixel points of each pixel block in the top field and the bottom field of the current frame.

27. The video processing system of claim 26, wherein:

The detecting module is further configured to detect, by determining whether the motion state of each pixel block in the top field is the number of pixels of the motion is greater than a third threshold, to detect each pixel block of the top field. a motion state; and detecting a motion state of each pixel block of the bottom field by determining whether the number of motion pixel points of each pixel block in the bottom field is greater than the third threshold value.

28. The video processing system of claim 26, wherein:

29. The video processing system of claim 28, wherein:

30. The video processing system of claim 29, wherein: