Zhen Biao Li

US Patent:

7879875, Feb 1, 2011

Filed:

Aug 8, 2006

Appl. No.:

11/990050

Inventors:

Meng-Hsin Chen - Westfield NJ, US
James B. Doherty - Montvale NJ, US
Robert Tynebor - Hatfield PA, US
Swaminathan R. Natarajan - Scotch Plains NJ, US
Zhen Li - Scotch Plains NJ, US
Soumya P. Sahoo - Old Bridge NJ, US

Assignee:

Merk Sharp & Dohme Corp. - Rahway NJ

International Classification:

A61K 31/4375
C07D 455/02

US Classification:

514306, 546138

Abstract:

Compounds described by the chemical formula (I) or pharmaceutically acceptable salts thereof: (I) are inhibitors of p38 and are useful in the treatment of inflammation such as in the treatment of rheumatoid arthritis, rheumatoid spondylitis, osteoarthritis, gouty arthritis and other arthritic conditions; inflamed joints, eczema, psoriasis or other inflammatory skin conditions such as sunburn; inflammatory eye conditions including conjunctivitis; pyresis, pain and other conditions associated with inflammation.

US Patent:

8594178, Nov 26, 2013

Filed:

Jun 18, 2009

Appl. No.:

12/999419

Inventors:

Zhen Li - Cupertino CA, US
Alexandros Tourapis - Burbank CA, US

Assignee:

Dolby Laboratories Licensing Corporation - San Francisco CA

International Classification:

H04N 7/26
H04N 7/50

US Classification:

375240, 37524012, 37524025

Abstract:

Video compression is performed under multiple distortion constraints. Video coding includes determining a first set of Lagrangian cost values for multiple coding modes using a first distortion metric, determining a second set of Lagrangian cost values for the multiple coding modes using a second distortion metric, and selecting one of the coding modes based on the first set of Lagrangian cost values and the second set of Lagrangian cost values to encode a pixel block using the selected coding mode. The distortion metrics can include information associated with video display characteristics such as screen display size, video processing performance, a distortion characteristic, a temporal characteristic, or a spatial characteristic. The distortion metrics can also include characteristics of multiple video displays, such as parameters for usage, importance, design, and the technology type of the video displays.

US Patent:

20100141177, Jun 10, 2010

Filed:

Dec 10, 2008

Appl. No.:

12/332299

Inventors:

Michael George Negrete - Mountain View CA, US
Wei Gu - Santa Clara CA, US
Zhen Li - Fremont CA, US

Assignee:

Linear Technology Corporation - Milpitas CA

International Classification:

H05B 37/02

US Classification:

315297

Abstract:

A flyback controller generates a switching signal for controlling delivery of current into a primary winding of a transformer in a flyback converter. The controller may include an output current monitoring circuit configured to generate a signal representative of an average output current in a secondary winding of the transformer based on a peak input current in the primary winding and a duty cycle of current in the secondary winding. The flyback controller may generate a switching signal that causes a chopped AC voltage from a dimmer control to be converted by the flyback converter into an average output current from a secondary winding of the transformer that is DC isolated from the chopped AC voltage and that varies as a function of the setting of the dimmer control. The flyback controller may not utilize a signal from an opto-isolator.

US Patent:

20100316118, Dec 16, 2010

Filed:

Jan 21, 2009

Appl. No.:

12/863923

Inventors:

Zhen Li - Cupertino CA, US
Alexandros Tourapis - Burbank CA, US

Assignee:

DOLBY LABORATORIES LICENSING CORPORATION - San Francisco CA

International Classification:

H04N 7/26
H04N 7/50

US Classification:

37524002, 37524016, 375E07123, 375E07243

Abstract:

Adaptive motion information cost estimation is achieved in processing video information. A transmission cost is estimated that is associated with encoding a motion vector difference (mvd) in motion vectors that describe a motion characteristic of the video information. The mvd is encoded based on minimizing a rate estimation mismatch associated with the motion vectors. The encoding step includes computing a bit count associated with the mvd using CABAC. A value is indexed that corresponds to the cost from one or more entries in the lookup table. The cost relates to context or content characteristics associated with the video information. The lookup table is adaptively updated based on a change in the contextual information or content characteristics. The value is dynamically adjustable based on the change.

US Patent:

20110170591, Jul 14, 2011

Filed:

Sep 16, 2009

Appl. No.:

13/063768

Inventors:

Zhen Li - Cupertino CA, US
Alexandros Tourapis - Milipitas CA, US

Assignee:

DOLBY LABORATORIES LICENSING CORPORATION - San Francisco CA

International Classification:

H04N 7/12

US Classification:

37524001, 375E07001

Abstract:

A value of one or more Lagrangian multipliers is adaptively estimate and update based, at least in part, on the video source statistics or dynamic programming. Methods, techniques, and systems involve determining a first Lagrangian multiplier with a video encoder, and updating a second Lagrangian multiplier with the first Lagrangian multiplier. The system can include a Lagrangian multiplier Estimation Module that estimates the Lagrangian multiplier, and a multiplier Update Module that updates the current Lagrangian multiplier using the estimated Lagrangian multiplier. The Online Lagrangian Multiplier Estimation Module may function with Rate Distortion Slope Estimation with Rate Distortion Optimized Mode Decision; Rate Distortion Slope Estimation with Local Approximation; Rate Distortion Slope Estimation with Local Information; or Rate Distortion Slope Estimation with Global Information. The Lagrangian Multiplier Update Module may function with Direct Update; Step Size Update; Sliding Window Update; or Periodical Update.

US Patent:

20110183959, Jul 28, 2011

Filed:

Jan 25, 2011

Appl. No.:

13/013222

Inventors:

Meng-Hsin Chen - Westfield NJ, US
James B. Doherty - Montvale NJ, US
Robert Tynebor - Hatfield PA, US
Swaminathan R. Natarajan - Scotch Plains NJ, US
Zhen Li - Scotch Plains NJ, US
Soumya P. Sahoo - Old Bridge NJ, US

International Classification:

A61K 31/506
A61K 31/4375
C07D 455/02
A61P 25/04

US Classification:

51421018, 514306, 514256, 546138

Abstract:

Compounds described by the chemical formula (I) or pharmaceutically acceptable salts thereof:are inhibitors of p38 and are useful in the treatment of inflammation such as in the treatment of rheumatoid arthritis, rheumatoid spondylitis, osteoarthritis, gouty arthritis and other arthritic conditions; inflamed joints, eczema, psoriasis or other inflammatory skin conditions such as sunburn; inflammatory eye conditions including conjunctivitis; pyresis, pain and other conditions associated with inflammation.

US Patent:

20130027615, Jan 31, 2013

Filed:

Apr 19, 2011

Appl. No.:

13/640575

Inventors:

Zhen Li - Cupertino CA, US

Assignee:

DOLBY LABORATORIES LICENSING CORPORATION - San Francisco CA

International Classification:

H04N 5/14

US Classification:

348571, 348E05062

Abstract:

Assessing a visual quality characteristic includes accessing and processing at least a first image or video signal and a second image or video signal and processing the accessed images or video signals. Based at least in part on processing the accessed images or video signals, a difference is measured between the processed at least first and second images or video signals. The visual quality characteristic relates to a magnitude of the measured difference between the processed at least first and second images or video signals. The at least first and second images or video signals include a high or visual dynamic range and/or a wide color gamut. The visual quality characteristic is assessed based, at least in part, on the measured difference.

US Patent:

20140022460, Jan 23, 2014

Filed:

Apr 12, 2012

Appl. No.:

14/009773

Inventors:

Zhen Li - Cupertino CA, US
Walter Gish - Oak Park CA, US

Assignee:

DOLBY LABORATORIES LICENSING CORPORATION - San Francisco CA

International Classification:

H04N 9/64
H04N 17/02

US Classification:

348708

Abstract:

A first video signal is accessed, and represented in a first color space with a first color gamut, related to a first dynamic range. A second video signal is accessed, and represented in a second color space of a second color gamut, related to a second dynamic range. The first accessed video signal is converted to a video signal represented in the second color space. At least two color-related components of the converted video signal are mapped over the second dynamic range. The mapped video signal and the second accessed video signal are processed. Based on the processing, a difference is measured between the processed first and second video signals. A visual quality characteristic relates to a magnitude of the measured difference between the processed first and second video signals. The visual quality characteristic is assessed based, at least in part, on the measurement of the difference.