Image encoding device and method
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United States of America Patent
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Jan 12, 2021
Grant Date -
Feb 1, 2018
app pub date -
Feb 22, 2016
filing date -
Mar 4, 2015
priority date (Note) -
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Abstract
The present disclosure relates to an image encoding device and method that can improve the encoding speed while the picture quality is maintained. A statistical information calculation unit supplies calculated statistical information to a table selection unit. The table selection unit is further supplied with a picture type and a picture depth of an image from a screen sort buffer and a quantization parameter Qp from a rate controlling unit. The table selection unit determines a mode table to be used from among a plurality of mode tables, which are stored in a table storage unit in response to picture types, picture depths, statistical information, applications, Qp and so forth and in which types of prediction modes that become a selection target are limited. The present disclosure can be applied, for example, to an image processing apparatus that performs encoding.
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