Image processing device and method
An image processing device and image processing technology, applied in the direction of image communication, digital video signal modification, electrical components, etc., to achieve the effect of suppressing the degradation of image quality
Inactive Publication Date: 2014-12-10
SONY CORP
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- Abstract
- Description
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Problems solved by technology
However, the macroblock size of 16 pixels by 16 pixels is not optimal for large image frames such as UHD (Ultra High Resolution; 4000 pixels by 2000 pixels), which may be the target of next-generation encoding methods
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no. 1 approach
[0073] 1. First Embodiment (Image Coding Device)
no. 2 approach
[0074] 2. Second Embodiment (Image Decoding Device)
no. 3 approach
[0075] 3. Third Embodiment (Multi-viewpoint image encoding device and multi-viewpoint image decoding device)
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The present disclosure relates to an image processing apparatus and an image processing method in which a deterioration of an image quality of a color difference signal due to the quantization can be suppressed. The image processing apparatus in the present disclosure includes an offset setting unit that sets an offset of a quantization parameter for a color difference signal based on a quantization parameter for a brightness signal according to a size or shape of a unit of transform when an orthogonal transform is performed on image data, or a receiving unit that receives an offset of a quantization parameter for a color difference signal which is set according to a size or a shape of a unit of transform. The present disclosure, for example, can be adapted to an image processing apparatus that processes image data.
Description
technical field [0001] The present disclosure relates to an image processing apparatus and an image processing method, and in particular, to an image processing apparatus and an image processing method for improving the image quality of color difference signals. Background technique [0002] In recent years, for digital processing of image information, in order to transmit and accumulate information with high accuracy, based on, for example, MPEG ( The apparatus of the method of the Moving Picture Experts Group) is popularized in the distribution of information to both broadcasting stations and ordinary home users. [0003] Specifically, MPEG2 (ISO (International Organization for Standardization) / IEC (International Electrotechnical Commission) 13818-2) is defined as a general image encoding method that covers both interlaced and sequential scan images as well as for standard resolution images and The standard for high-resolution images and is currently widely used for a lar...
Claims
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IPC IPC(8): H04N19/61H04N19/615H04N19/124H04N19/51H04N19/103
CPCH04N19/154H04N19/124H04N19/00775H04N19/00096H04N19/186
Inventor 佐藤数史
Owner SONY CORP
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