Image coding device, method and computer program with data...

Details Image coding device, method and computer program with data... Image coding device, method and computer program with data...

2006-12-06

2010-12-07

Bali, Vikkram (Department: 2624)

Image analysis

Image compression or coding

C341S051000, C341S107000, C375S240030

Reexamination Certificate

active

07848579

ABSTRACT:
An image coding device in which entropy coding is applied to binarized data. An image coding unit codes image data; an entropy coding unit binarizes the coded image data and applies entropy coding to the binarized data; and a coding amount prediction unit obtains a predictive value corresponding to a coding amount of the image data on a predetermined data unit basis prior to the actual binarizing. A coding amount comparing unit compares the predictive value to a predetermined threshold value; a I_PCM decision unit outputs a selection signal indicating the image data on a predetermined data unit basis or I_PCM data, which is selected based on a result of the comparing; and an output selection unit and an output unit output the selected data indicated by the selection signal.

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Wiegand et al. “Overview of the H.264/AVC Video Coding Standard”, IEEE Transactions on Circuits and Systems for Video Technology,Jul. 2003, pp. 1-19.

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