DYNAMIC RANGE CONVERTER WITH GENERIC ARCHITECTURE AND METHODS FOR USE THEREWITH

Patent №

US 9,544,560

Granted

2017-01-10

Filed 2015

Owner

VIXS SYSTEMS, INC.

Lab

AI components

1

planning

Assignment

Recorded

Dataset

AIPD

2023_r1 edition

Application

14863065

In various embodiments, a dynamic range converter includes a first color space converter to convert a source color space of a source video having a source dynamic range to nonlinear color space signals. A linearizer configured converts the nonlinear color space signals to linearized color space signals having a mastering dynamic range via a piecewise linear interpolation of a transfer function. A color volume transformer applies dynamic color transform metadata associated with the source video to generate master adjusted color space signals from the linearized color space signals. A delinearizer converts the master adjusted color space signals to nonlinearized color space signals via a piecewise linear interpolation of an inverse transfer function in accordance with a display dynamic range. A second color space converter converts the nonlinearized color space signals to display domain signals. Other embodiments are disclosed.

PlanningG06T 5/90G06T 5/92H04N 9/64G06T 2207/10016G06T 2207/20208

AI classification

Planning0.78
Evolutionary computation0.03
Vision0.02
Natural language0.00
Machine learning0.00
AI hardware0.00
Knowledge representation0.00
Speech0.00

Ownership

VIXS SYSTEMS, INC.

assignment · 367770123

Assignors

WALLACE, BRADLEY ARTHUR, WU, XIAOWEN, FENG, JIE, LI, XINGHAI

On an employer assignment, the assignors are typically the inventors.

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