Category:Lien-Fei CHEN of Palo Alto CA (US)

Lien-Fei CHEN of Palo Alto CA (US)

Executive Summary

Lien-Fei CHEN of Palo Alto CA (US) is an inventor who has filed 12 patents. Their primary areas of innovation include the unit being an image region, e.g. an object (10 patents), by monitoring actual compressed data size at the memory before deciding storage at the transmission buffer (7 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 (7 patents), and they have worked with companies such as Tencent America LLC (12 patents). Their most frequent collaborators include (10 collaborations), (6 collaborations), (4 collaborations).

Patent Filing Activity

Technology Areas

List of Technology Areas

• H04N19/176 (the unit being an image region, e.g. an object): 10 patents
• H04N19/159 (by monitoring actual compressed data size at the memory before deciding storage at the transmission buffer): 7 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): 7 patents
• H04N19/70 (characterised by syntax aspects related to video coding, e.g. related to compression standards): 6 patents
• H04N19/132 (Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking): 4 patents
• H04N19/186 (PICTORIAL COMMUNICATION, e.g. TELEVISION): 3 patents
• H04N19/172 (the unit being an image region, e.g. an object): 3 patents
• H04N19/117 (Filters, e.g. for pre-processing or post-processing (sub-band filter banks): 2 patents
• H04N19/52 (PICTORIAL COMMUNICATION, e.g. TELEVISION): 2 patents
• H04N19/139 (Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability): 2 patents
• H04N19/593 (involving spatial prediction techniques): 2 patents
• H04N19/126 (Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers): 1 patents
• H04N19/18 (PICTORIAL COMMUNICATION, e.g. TELEVISION): 1 patents
• G06V20/49 (IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING): 1 patents
• H04N19/82 (involving filtering within a prediction loop): 1 patents
• H04N19/124 (Quantisation): 1 patents
• H04N19/119 (Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks): 1 patents
• H04N19/573 (Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction): 1 patents
• H04N19/46 (Embedding additional information in the video signal during the compression process (): 1 patents
• H04N19/80 (Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation (): 1 patents
• H04N19/137 (Motion inside a coding unit, e.g. average field, frame or block difference): 1 patents
• H04N19/109 (among a plurality of temporal predictive coding modes): 1 patents
• H04N19/167 (Position within a video image, e.g. region of interest [ROI]): 1 patents
• H04N19/43 (PICTORIAL COMMUNICATION, e.g. TELEVISION): 1 patents
• H04N19/88 (involving rearrangement of data among different coding units, e.g. shuffling, interleaving, scrambling or permutation of pixel data or permutation of transform coefficient data among different blocks): 1 patents
• H04N19/14 (Coding unit complexity, e.g. amount of activity or edge presence estimation (): 1 patents
• H04N19/11 (among a plurality of spatial predictive coding modes): 1 patents

Companies

List of Companies

• Tencent America LLC: 12 patents

Collaborators

• Shan LIU of San Jose CA (US) (10 collaborations)
• Xin ZHAO of San Jose CA (US) (6 collaborations)
• Xiang LI of Saratoga CA (US) (4 collaborations)
• Guichun LI of San Jose CA (US) (4 collaborations)
• Motong XU of Palo Alto CA (US) (3 collaborations)
• Roman CHERNYAK of Santa Clara CA (US) (3 collaborations)
• Biao WANG of San Jose CA (US) (3 collaborations)
• Yonguk YOON of Palo Alto CA (US) (3 collaborations)
• Roman CHERNYAK of Palo Alto CA (US) (2 collaborations)
• Biao WANG of Palo Alto CA (US) (2 collaborations)
• Xin ZHAO of Palo Alto CA (US) (2 collaborations)
• Madhu PERINGASSERY KRISHNAN of Palo Alto CA (US) (2 collaborations)
• Shan LIU of Palo Alto CA (US) (2 collaborations)
• Ling LI (1 collaborations)