Inventor

LIU QINGFENG

CN27 patents

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

LIU QINGFENG

SAMSUNG ELECTRONICS CO LTD

System and method for providing dominant scene classification by semantic segmentation

System and method for dual-value attention and instance boundary aware regression in computer vision system

System and method for boundary aware semantic segmentation

Temporal semantic boundary loss for video semantic segmentation networks

System and method for providing dominant scene classification by semantic segmentation

System and method for providing dominant scene classification by semantic segmentation

Method and apparatus for data efficient semantic segmentation

Method and apparatus for data efficient semantic segmentation

Multi-expert adversarial regularization for robust and data-efficient deep supervised learning

IFLYTEK CO LTD

Method, apparatus and storage medium for recognizing character

Intelligent scoring method and system for text objective question

Speech recognition method, apparatus and device, and storage medium

Speech recognition method and system based on user personalized information

ASTEC INT LTD

Switched-mode power supplies having burst mode operation for reduced power consumption

Switch mode power supplies including primary side clamping circuits controlled based on secondary side signals

Power factor correction stage control during start-up for efficient use of a negative temperature coefficient thermistor

UNIV KANSAS

Biomolecule-carbon nanostructure nanocomposites for optoelectronic devices

Plasmonic metal/graphene heterostructures and related methods

KUNSHAN TVS ELECTRONIC TECH CO LTD

Gold-plating etching process for 5G communication high-frequency signal boards

Process for improving performance of sliding rheostat of 5G communication high-frequency signal board

XIAN CHISHINE OPTOELECTRONICS TECH CO LTD

Electrostatically driven comb structure of MEMS, micro-mirror using same and preparation method therefor

Automatic welding system and method for large structural parts based on hybrid robots and 3D vision

BEIJING ZITIAO NETWORK TECHNOLOGY CO LTD

Method, apparatus, electronic device and storage medium for data processing

UNIV CHINA PETROLEUM EAST CHINA

CO2 chemical reaction viscosity-increasing type polymer surfactant for gas channeling control during CO2 flooding in offshore heavy oil reservoirs, preparation method therefor and use thereof

3PEAK INC

Input voltage endurance protection architecture

UNIV DALIAN TECH

Two-dimensionality detection method for industrial control system attacks

WEI SI

Method and system for endpoint automatic detection of audio record