Cross-plane prediction
A plane and connection area technology, applied in the field of cross-plane prediction, can solve the problems of difficult search of coding parameter setting values, high load, etc.
Active Publication Date: 2016-08-31
GE VIDEO COMPRESSION LLC
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On the other hand, setting encoding parameters at a finer granularity places a higher load on the amount of side information required to inform the decoder about the required settings
Furthermore, it has to be noted that any degree of freedom for the encoder to (further) spatially subdivide the image / video into blocks dramatically increases the number of possible encoding parameter settings, and thus generally makes it difficult to target encodings that lead to the best rate / distortion trade-off Searching for parameter settings is more difficult
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[0048] In the following detailed description of the drawings, components appearing in several drawings are indicated by common component symbols to avoid repeated description of these components. Conversely, explanations regarding components presented within one figure also apply to other figures in which individual components appear, as long as deviations therein are indicated by the explanations presented in other figures.
[0049] Furthermore, the following description begins with the Figure 1 to Figure 11 Explained encoder and decoder embodiments. The embodiments presented with respect to this figure combine aspects of the application, but are also excellent if individually implemented internally to the encoding scheme, so, with respect to the subsequent figures, embodiments will briefly discuss the aforementioned individual aspects, this embodiment in a different sense express figure 1 and Figure 11 Summary of the described examples.
[0050] figure 1 An encoder ac...
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The invention relates to cross-plane prediction. Although the demand for informing a decoder of cross-plane prediction information signals will result in additional expenses, for a redundancy reduction target, a better rate-distortion ratio can be obtained by using the mutual relationship among the coding parameters of different planes. Specifically, with respect to multiple planes, whether to use cross-plane prediction or not is judged. Moreover, or alternatively, through consideration of a sub-plane, judgment can be carried out by taking a block as a unit.
Description
[0001] This application is a divisional application, the application number of its parent application is 201080067394.2, the application date is April 13, 2010, and the invention name is "cross-plane prediction". technical field [0002] The invention relates to a coding scheme for different spatially sampled information components of a scene image in planes, each plane comprising an array of information samples such as video or still images. Background technique [0003] In image and video coding, a picture or a specific set of sample arrays for the picture is usually decomposed into blocks, which are associated with specific coding parameters. Images are usually composed of multiple sample arrays. Furthermore, an image may also be associated with additional auxiliary sample arrays, which indicate, for example, transparency information or depth maps. Sample arrays (including auxiliary sample arrays) of an image can also be grouped into one or more so-called plane groups, w...
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IPC IPC(8): H04N19/597H04N19/176H04N19/70H04N19/119H04N19/147H04N19/46H04N19/196H04N19/61H04N19/96H04N19/103H04N19/463H04N19/186
CPCH04N19/103H04N19/119H04N19/147H04N19/176H04N19/186H04N19/196H04N19/46H04N19/463H04N19/597H04N19/61H04N19/70H04N19/96
Inventor 海纳·基希霍弗尔马丁·温肯海科·施瓦茨德特勒夫·马佩托马斯·维甘徳
Owner GE VIDEO COMPRESSION LLC