Category:Kei KAWAMURA

Kei KAWAMURA

Executive Summary

Kei KAWAMURA is an inventor who has filed 5 patents. Their primary areas of innovation include Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction (3 patents), the unit being an image region, e.g. an object (3 patents), Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability (2 patents), and they have worked with companies such as KDDI CORPORATION (5 patents). Their most frequent collaborators include (5 collaborations), (4 collaborations).

Patent Filing Activity

File:Kei KAWAMURA Monthly Patent Applications.png

Technology Areas

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List of Technology Areas

• H04N19/105 (Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction): 3 patents
• H04N19/176 (the unit being an image region, e.g. an object): 3 patents
• H04N19/139 (Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability): 2 patents
• H04N19/44 (Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder): 2 patents
• H04N19/182 (PICTORIAL COMMUNICATION, e.g. TELEVISION): 2 patents
• H04N19/513 (Processing of motion vectors): 2 patents
• H04N19/70 (characterised by syntax aspects related to video coding, e.g. related to compression standards): 1 patents
• H04N19/172 (the unit being an image region, e.g. an object): 1 patents
• H04N19/174 (the region being a slice, e.g. a line of blocks or a group of blocks): 1 patents
• H04N19/46 (Embedding additional information in the video signal during the compression process (): 1 patents
• H04N19/50 (using predictive coding (): 1 patents
• H04N19/51 (Motion estimation or motion compensation): 1 patents
• H04N19/82 (involving filtering within a prediction loop): 1 patents
• H04N19/521 (PICTORIAL COMMUNICATION, e.g. TELEVISION): 1 patents
• H04N19/56 (PICTORIAL COMMUNICATION, e.g. TELEVISION): 1 patents
• H04N19/132 (Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking): 1 patents
• H04N19/186 (PICTORIAL COMMUNICATION, e.g. TELEVISION): 1 patents
• H04N19/57 (PICTORIAL COMMUNICATION, e.g. TELEVISION): 1 patents
• H04N19/52 (PICTORIAL COMMUNICATION, e.g. TELEVISION): 1 patents

Companies

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List of Companies

• KDDI CORPORATION: 5 patents

Collaborators

• Sei NAITO (5 collaborations)
• Kyohei UNNO (4 collaborations)