Method and apparatus for video deblocking
AssigneeSeiko Epson Corporation
InventorsChangick Kim, Joseph Shu
Life of this patent
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Abstract
A method for reducing block artifacts between image blocks of a decompressed image is provided. The method initiates with selecting a set of pixel positions corresponding to pixels proximate to a border between the image blocks. Then, an amount of additional frames to be inserted when displaying the decompressed image is determined. Next, a pixel value associated with each pixel of the set of pixels proximate to the border is modified for each of the additional frames. Then, an original frame and the additional frames are displayed in an alternating mode such that block artifacts between the image blocks are visually reduced. A computer readable media, an integrated circuit and a device enabled to reduce blocking artifacts are also provided.
Claims21
A method for reducing block artifacts between image blocks of a decompressed image, comprising:
- selecting a set of pixel positions corresponding to pixels proximate to a border between the image blocks;
- determining an amount of additional frames to be inserted when displaying the decompressed image;
- modifying a pixel value associated with each pixel of the set of pixels proximate to the border for each of the additional frames;
- and
- displaying an original frame and the additional frames in an alternating mode such that block artifacts between the image blocks are reduced.
A computer readable media having program instructions for reducing block artifacts between image blocks of a decompressed image, comprising:
- program instructions for selecting a set of pixel positions corresponding to pixels proximate to a border between the image blocks;
- program instructions for determining an amount of additional frames to be inserted when displaying the decompressed image;
- program instructions for modifying a pixel value associated with each pixel of the set of pixels proximate to the border for each of the additional frames;
- and
- program instructions for displaying an original frame and the additional frames in an alternating mode such that block artifacts between the image blocks are minimized.
An integrated circuit chip having logic for reducing block artifacts between image blocks of a decompressed image, comprising:
- logic for selecting a set of pixel positions corresponding to pixels proximate to a border between the image blocks;
- logic for determining an amount of additional frames to be inserted when displaying the decompressed image;
- logic for modifying a pixel value associated with each of the pixels proximate to the border for each of the additional frames;
- and
- logic for displaying an original frame and the additional frames in an alternating mode such that block artifacts between the image blocks are reduced.
A device for presenting a digital video image, comprising:
- a central processing unit;
- memory for storing a frame of image data;
- image deblocking circuitry, the image deblocking circuitry including,
- circuitry for modifying a pixel value associated with each of the pixels proximate to a border of a block of the frame of image data thereby defining an additional frame of image data;
- and
- circuitry for displaying the frame of image data and the additional frame of image data in an alternating mode such that block artifacts between the image blocks are reduced by the modified pixel value associated with each of the pixels proximate to the border for each of the additional frames.
Dependencies are inferred from the claim text.