JVCKENWOOD. has filed a patent for a moving picture coding device that utilizes motion compensation prediction in block units. The device derives motion vectors from neighboring blocks to enhance coding efficiency. The patent focuses on optimizing candidate block selection based on reference picture indices for improved prediction accuracy. GlobalData’s report on JVCKENWOOD gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on JVCKENWOOD, Adaptive video coding was a key innovation area identified from patents. JVCKENWOOD's grant share as of January 2024 was 52%. Grant share is based on the ratio of number of grants to total number of patents.
Motion vector decoding unit for motion compensation prediction in video
The patent application (Publication Number: US20240031597A1) describes a moving picture coding device, method, and program for encoding a bitstream using motion compensation prediction in units of blocks obtained by partitioning each picture of moving pictures. The device includes a motion information derivation unit to derive motion vectors and a motion compensation prediction unit to generate predicted values based on these vectors. The method involves deriving motion vectors and generating predicted values for coding blocks, while the program includes modules for deriving motion vectors, generating predicted values, and storing motion information. The spatial neighboring blocks considered for coding include at least the left block of the block subject to coding.
Furthermore, the patent application also covers a moving picture decoding device, method, and program for decoding a bitstream encoded using motion compensation prediction. The decoding device includes a motion information derivation unit, a motion compensation prediction unit, and a motion information storage unit. The decoding method involves deriving motion vectors, generating predicted values, and storing motion information for decoding blocks. The decoding program includes modules for deriving motion vectors, generating predicted values, and storing motion information, with spatial neighboring blocks including at least the left block of the block subject to decoding. These inventions aim to improve the efficiency and accuracy of encoding and decoding moving pictures by utilizing motion compensation prediction in block-based processing.
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