Image processing device and image processing method
An image processing device and image processing technology, applied in image communication, digital video signal modification, electrical components, etc., can solve the problem that the prediction block accuracy cannot be fully improved
Active Publication Date: 2021-08-13
SONY CORP
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Problems solved by technology
Therefore, the accuracy of predicting blocks may not be sufficiently improved
Method used
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no. 1 approach
[0066] 1. First Embodiment: Image Coding Device and Image Decoding Device ( Figure 1 to Figure 27 )
no. 2 approach
[0067] 2. The second embodiment: computer ( Figure 28 )
no. 3 approach
[0068] 3. The third embodiment: TV equipment ( Figure 29 )
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The present disclosure relates to an image processing apparatus and an image processing method capable of improving encoding efficiency of information indicating a prediction mode of a color component in a case where the prediction mode of a luminance component of an image is an intra BC prediction mode. In the case where the prediction mode of the luminance component of the image is the intra BC prediction mode, the coding unit uses the fact that the prediction mode of the luminance component of the image is the intra BC prediction mode as a context to predict the prediction of the prediction mode indicating the color component of the image Mode information is encoded. The present disclosure can be applied to, for example, an image encoding device and the like.
Description
technical field [0001] The present disclosure relates to an image processing apparatus and an image processing method, and more particularly to each of them enabling improved encoding of information indicating a prediction mode of a color component in a case where the prediction mode of a luminance component of an image is an intra BC prediction mode Efficient image processing device and image processing method. Background technique [0002] An encoding device for performing encoding with HEVC (High Efficiency Video Coding) performs prediction processing with an intra prediction mode or an inter prediction mode on a current block that is an encoding target block, and generates the predicted block as a predicted image of the current block. Then, the encoding device subjects the prediction residual, which is the difference between the predicted block and the current block, to orthogonal transformation, and performs quantization, thereby generating an encoded stream. [0003] ...
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Login to View More IPC IPC(8): H04N19/13H04N19/159H04N19/176H04N19/463H04N19/52H04N19/593H04N19/70
CPCH04N19/13H04N19/159H04N19/176H04N19/186H04N19/463H04N19/52H04N19/593H04N19/70H04N19/107H04N19/139
Inventor 近藤健治
Owner SONY CORP