Invention Grant
- Patent Title: Distance image capturing apparatus and distance image capturing method using distance image capturing apparatus
-
Application No.: US16619068Application Date: 2019-03-01
-
Publication No.: US11336854B2Publication Date: 2022-05-17
- Inventor: Takashi Watanabe , Tomoyuki Akahori
- Applicant: Brookman Technology, Inc.
- Applicant Address: JP Hamamatsu
- Assignee: Brookman Technology, Inc.
- Current Assignee: Brookman Technology, Inc.
- Current Assignee Address: JP Hamamatsu
- Agency: Schwegman Lundberg & Woessner, P.A.
- International Application: PCT/JP2019/008199 WO 20190301
- International Announcement: WO2020/178920 WO 20200910
- Main IPC: H04N5/3745
- IPC: H04N5/3745 ; H04N5/355 ; G01S17/89 ; H04N5/378

Abstract:
A distance image capturing apparatus has a light source unit that emits an intermittent light pulse into a space, a light receiving unit that includes a plurality of pixels each having a photoelectric conversion device and electric charge accumulating units, and a distance image processing unit. The distance image processing unit acquires an electric charge amount distributed by a predetermined fixed number of times and accumulated in the accumulating units. The distance image processing unit acquires electric charge amounts accumulated in the accumulating units with different number of times of electric charge distribution as one set and selects one of a first electric charge amount with a larger number of electric charge distribution and a second electric charge amount for acquiring a distance from a subject based on a comparison result with a threshold.
Public/Granted literature
Information query
IPC分类: