Category:Weiran LI

Weiran LI

Executive Summary

Weiran LI is an inventor who has filed 2 patents. Their primary areas of innovation include Motion compensation with long-term prediction, i.e. the reference frame for a current frame not being the temporally closest one ( (2 patents), 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 (2 patents), Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks (2 patents), and they have worked with companies such as SZ DJI TECHNOLOGY CO., LTD. (2 patents). Their most frequent collaborators include (2 collaborations).

Patent Filing Activity

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Technology Areas

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List of Technology Areas

• H04N19/58 (Motion compensation with long-term prediction, i.e. the reference frame for a current frame not being the temporally closest one (): 2 patents
• 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): 2 patents
• H04N19/119 (Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks): 2 patents
• H04N19/129 (Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]): 2 patents
• H04N19/137 (Motion inside a coding unit, e.g. average field, frame or block difference): 2 patents
• H04N19/139 (Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability): 2 patents
• H04N19/176 (the unit being an image region, e.g. an object): 2 patents
• H04N19/30 (using hierarchical techniques, e.g. scalability (): 2 patents
• H04N19/513 (Processing of motion vectors): 2 patents
• H04N19/56 (PICTORIAL COMMUNICATION, e.g. TELEVISION): 2 patents
• H04N19/573 (Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction): 2 patents
• H04N19/96 (Tree coding, e.g. quad-tree coding): 2 patents

Companies

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List of Companies

• SZ DJI TECHNOLOGY CO., LTD.: 2 patents

Collaborators

• Xiaozhen ZHENG (2 collaborations)