公开(公告)号：US10607572B2

公开(公告)日：2020-03-31

申请号：US15968481

申请日：2018-05-01

Applicant: QUALCOMM Incorporated

Inventor： Anand Prabhakar Satpute ,  Sandeep Kanakapura Lakshmikantha ,  Tushit Jain ,  Gwendolyn Denise Barriac ,  Ajit Venkat Rao

IPC: G06T15/00 ,  G09G5/12

Abstract: Methods, systems, and devices for frequency synchronization and phase correction at a rendering device are described. One method may include receiving, from a display device (e.g., a head-mounted display (HMD) device), a vertical sync count and an indication of one or more frame repeats. The rendering device may estimate a vertical sync frequency based on the received vertical sync count, and determine a phase corresponding to a minimum frame repeat based on the indication of the one or more frame repeats. The rendering device may adjust a vertical sync frequency to the estimated vertical sync frequency and a phase to the determined phase. The rendering device may transmit one or more frames to the display device using the adjusted frequency and/or the adjusted phase.

公开(公告)号：US20190341004A1

公开(公告)日：2019-11-07

申请号：US15968481

申请日：2018-05-01

Applicant: QUALCOMM Incorporated

Inventor： Anand Prabhakar Satpute ,  Sandeep Kanakapura Lakshmikantha ,  Tushit Jain ,  Gwendolyn Denise Barriac ,  Ajit Venkat Rao

IPC: G09G5/12 ,  G06T15/00

Abstract: Methods, systems, and devices for frequency synchronization and phase correction at a rendering device are described. One method may include receiving, from a display device (e.g., a head-mounted display (HMD) device), a vertical sync count and an indication of one or more frame repeats. The rendering device may estimate a vertical sync frequency based on the received vertical sync count, and determine a phase corresponding to a minimum frame repeat based on the indication of the one or more frame repeats. The rendering device may adjust a vertical sync frequency to the estimated vertical sync frequency and a phase to the determined phase. The rendering device may transmit one or more frames to the display device using the adjusted frequency and/or the adjusted phase.

公开(公告)号：US12063399B2

公开(公告)日：2024-08-13

申请号：US17922271

申请日：2021-06-07

Applicant: QUALCOMM Incorporated

Inventor： Anand Prabhakar Satpute ,  Sandeep Kanakapura Lakshmikantha ,  Vinay Melkote Krishnaprasad ,  Ajit Venkat Rao

IPC: H04N21/2385 ,  H04L65/65 ,  H04N21/234 ,  H04N21/6375

CPC classification number: H04N21/2385 ,  H04L65/65 ,  H04N21/23418 ,  H04N21/6375

Abstract: The present disclosure relates to methods and apparatus for video processing. In one aspect, the apparatus may configure at least one frame of plurality of frames in a video stream. The apparatus may also divide the at least one frame into one or more slices, each of the one or more slices including one or more data packets. The apparatus may also map each of the one or more slices to one of one or more communication channels. The apparatus may also transmit each of the one or more slices including the one or more data packets via the one of the one or more communication channels. In another aspect, the apparatus may receive each of one or more slices via one of one or more communication channels. The apparatus may also decode each of the one or more slices including one or more data packets.