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IPC Subgroup
G06T 7/586

from multiple light sources, e.g. photometric stereo

Introduced: January 2017

Full Title

Image analysis > Depth or shape recovery > from multiple images > from multiple light sources, e.g. photometric stereo

Classification Context

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

Additional Content

Photometric stereo A technique for estimating the normal vectors at different points on an object’s surface by observing the object under different lighting conditions.

Top Applicants

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

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