Inventor

Shen-Kai Chang

Inventor

Hsinchu County, TW

Overview

2012–2020

Patent span

Physics

Primary field (CPC G)

Patents· 22 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Nprimary

H04NPictorial communication, e.g. television44%

G06TImage data processing or generation, in general34%

G02BOptical elements, systems or apparatus7%

G06FElectric digital data processing2%

G06KGraphical data reading2%

G06VImage or video recognition or understanding2%

G11BInformation storage based on relative movement between record carrier and transducer2%

H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers2%

H04SStereophonic systems2%

PatentTitleYear

10,825,229Method and apparatus for generating projection-based frame with 360-degree image content represented by triangular projection faces assembled in triangle-based projection layout2020 10,827,159Method and apparatus of signalling syntax for immersive video coding2020 10,771,791View-independent decoding for omnidirectional video2020 10,679,324Method and apparatus for decoding projection-based frame with 360-degree content represented by triangular projection faces packed in octahedron projection layout2020 10,652,516Method and apparatus for generating and encoding projection-based frame with 360-degree content represented by base projection face and lateral projection faces packed in pyramid projection layout2020 10,643,370Method and apparatus for generating projection-based frame with 360-degree image content represented by triangular projection faces assembled in octahedron projection layout2020 10,614,609Method and apparatus for reduction of artifacts at discontinuous boundaries in coded virtual-reality images2020 10,593,012Method and apparatus for generating and encoding projection-based frame with 360-degree content represented in projection faces packed in segmented sphere projection layout2020 10,587,857Method and apparatus having video decoding function with syntax element parsing for obtaining rotation information of content-oriented rotation applied to 360-degree image content or 360-degree video content represented in projection format2020 10,573,076Method and apparatus for generating and encoding projection-based frame with 360-degree content represented by rectangular projection faces packed in viewport-based cube projection layout2020 10,560,678Method and apparatus having video encoding function with syntax element signaling of rotation information of content-oriented rotation applied to 360-degree image content or 360-degree video content represented in projection format and associated method and apparatus having video decoding function2020 10,462,484Video encoding method and apparatus with syntax element signaling of employed projection layout and associated video decoding method and apparatus2019 10,394,518Audio synchronization method and associated electronic device2019 10,380,715Method and apparatus for generating and encoding projection-based frame with 360-degree content represented by triangular projection faces packed in octahedron projection layout2019 10,368,067Method and apparatus for selective filtering of cubic-face frames2019 10,356,386Method and apparatus for processing projection-based frame with at least one projection face generated using non-uniform mapping2019 10,282,814Method and apparatus of image formation and compression of cubic images for 360 degree panorama display2019 10,264,282Method and apparatus of inter coding for VR video using virtual reference frames2019 10,249,019Method and apparatus for mapping omnidirectional image to a layout output format2019 10,187,640Method of hard-limited packet size for video encoding2019 10,057,590Method and apparatus using software engine and hardware engine collaborated with each other to achieve hybrid video encoding2018 8,259,808'Low complexity video decoder'2012

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012–2020Patents assigned to MEDIATEK INC (22)· patent assignee history

2012Patents assigned to CHANG SHEN-KAI (1)· patent assignee history

2012Patents assigned to HSIEH FANG-YI (1)· patent assignee history

2012Patents assigned to LEI SHAW-MIN (1)· patent assignee history

2012Patents assigned to LIN JIAN-LIANG (1)· patent assignee history

2012–2020Based in Hsinchu County, TW· patent location history

2018–2019Based in Zhubei City, TW· patent location history

2019–2020Based in Hsinchu, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MEDIATEK INC	22	2012–2020
CHANG SHEN-KAIself	1	2012
HSIEH FANG-YI	1	2012
LEI SHAW-MIN	1	2012
LIN JIAN-LIANG	1	2012

Locations

Location	Patents	Span
Hsinchu County, TW	9	2012–2020
Hsinchu, TW	7	2019–2020
Zhubei City, TW	6	2018–2019