Image enhancement or restoration

Introduced: January 1995

Last revised: January 2024

Classification Context

Section:: PHYSICS
Class:: COMPUTING OR CALCULATING; COUNTING
Subclass:: IMAGE DATA PROCESSING OR GENERATION, IN GENERAL

Additional Content

Circuitry for compensating brightness variation in the scene in cameras or camera modules comprising electronic image sensors Camera processing pipelines in cameras or camera modules comprising electronic image sensors Noise processing, e.g. detecting, correcting, reducing or removing noise in circuitry of solid-state image sensors [SSIS]

10 direct subcodes

Child Classifications

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G06T 5/1 using non-spatial domain filtering
G06T 5/2 using local operators
G06T 5/4 using histogram techniques
G06T 5/5 using two or more images, e.g. averaging or subtraction
G06T 5/6 using machine learning, e.g. neural networks
G06T 5/7 Denoising; Smoothing
G06T 5/73 Deblurring; Sharpening
G06T 5/77 Retouching; Inpainting; Scratch removal
G06T 5/8 Geometric correction
G06T 5/9 Dynamic range modification of images or parts thereof

Top Applicants

Top 10 applicants by patent filingsfor class G06, 2013–2023, worldwide · Source: EPO PATSTAT

SAMSUNG ELECTRONICS COMPANY KR 66,669
IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 62,313
MICROSOFT TECHNOLOGY LICENSING US 41,918
GOOGLE US 32,969
SGCC(STATE GRID CORPORATION OF CHINA) 30,822
INTEL CORPORATION US 30,010
TENCENT TECHNOLOGY (SHENZHEN) COMPANY 28,235
HUAWEI TECHNOLOGIES COMPANY CN 26,079
APPLE US 21,891
HUAWEI TECHNOLOGIES COMPANY 20,505