General constraints information for video coding

W Zhu, J Xu, L Zhang, K Zhang, Y Wang - US Patent 11,838,523, 2023 - Google Patents
A method for implementing an adaptive color transform (ACT) during image/video encoding
and decoding, comprises determining, for a conversion between a video comprising a block …

Adaptive colour transform in image/video coding

W Zhu, J Xu, L Zhang, K Zhang, YK Wang… - US Patent …, 2024 - Google Patents
A method for implementing an adaptive colour transform (ACT) mode during image/video
encoding and decoding includes performing a conversion between a current video block of …

Use of offsets with adaptive colour transform coding tool

W Zhu, J Xu, L Zhang, K Zhang, Y Wang - US Patent 11,792,413, 2023 - Google Patents
Methods, systems and devices for implementing an adaptive color transform (ACT) during
image/video encoding and decoding, including: determining, for a conversion between a …

Joint use of adaptive colour transform and differential coding of video

W Zhu, J Xu, L Zhang, Y Wang - US Patent 11,863,715, 2024 - Google Patents
Methods, systems and devices for implementing adaptive color transform (ACT) and block
based delta pulse code modulation (BDPCM) during image/video encoding or decoding are …

Tracking system and optical measuring system for determining at least one spatial position and orientation of at least one measurement object

C Hoerr - US Patent 10,876,828, 2020 - Google Patents
(57) ABSTRACT A tracking system for determining at least one spatial position and an
orientation of at least one measurement object includes at least three cameras. The at least …

Image processing apparatuses and methods

J He, J Dai, C Wan, Y Hu - US Patent 10,402,988, 2019 - Google Patents
Embodiments of the disclosure provide an image processing apparatus and an image
processing method for positioning and identifying signals sources. The image processing …