Inventor

TU CHENGJIE

US64 patents

⚠️ This page may combine multiple inventors who share the name “TU CHENGJIE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TU CHENGJIE

MICROSOFT TECHNOLOGY LICENSING LLC

Flexible quantization

Adaptive quantization for enhancement layer video coding

Flexible quantization

Adaptive quantization for enhancement layer video coding

Flexible Quantization

Adaptive quantization for enhancement layer video coding

Adaptive quantization for enhancement layer video coding

Adaptive quantization for enhancement layer video coding

Flexible quantization

Flexible quantization

Flexible quantization

Flexible quantization

Adaptive quantization for enhancement layer video coding

Conversion operations in scalable video encoding and decoding

Determining chroma quantization parameter using index and quantization parameter of spatially neighboring unit

Determining chroma quantization parameter using index and quantization parameter of spatially neighboring unit

Predicting a quantization parameter for a current unit using quantization parameters of spatially neighboring units

Determining chroma quantization parameter using index and quantization parameter of spatially neighboring unit

Predicting a quantization parameter for a current unit using quantization parameters of spatially neighboring units

MICROSOFT CORP

Flexible quantization

Motion-compensated prediction of inter-layer residuals

Prediction of transform coefficients for image compression

Reversible 2-dimensional pre-/post-filtering for lapped biorthogonal transform

Reversible overlap operator for efficient lossless data compression

Reversible overlap operator for efficient lossless data compression

Signaling and use of chroma sample positioning information

Flexible data organization for images

Signaling and uses of windowing information for images

Reducing DC leakage in HD photo transform

QUALCOMM INC

Fast video encoding method with block partitioning

Low complexity sample adaptive offset (SAO) coding

Scalable video coding prediction with non-causal information

Adaptive up-sampling filter for scalable video coding

Data structure for video coding unit

Adaptive upsampling filters

Inter-layer mode derivation for prediction in scalable video coding

Enhancement layer scan order derivation for scalable video coding

Inferred base layer block for TEXTURE—BL mode in HEVC based single loop scalable video coding

TU CHENGJIE

Skip modes for inter-layer residual video coding and decoding

Flexible quantization

Scalable video coding and decoding with sample bit depth and chroma high-pass residual layers

Motion-compensated prediction of inter-layer residuals

Multi-level representation of reordered transform coefficients

SRINIVASAN SRIDHAR

Signaling and uses of windowing information for images

Adaptive truncation of transform coefficient data in a transform-based digital media codec

Non-zero coefficient block pattern coding

Computational complexity and precision control in transform-based digital media codec

REGUNATHAN SHANKAR

Adaptive quantization for enhancement layer video coding

SUN SHIJUN

Conversion operations in scalable video encoding and decoding

SULLIVAN GARY J

Parameterized filters and signaling techniques