Title:
イメージング・アレイ内のピクセルの露出値から背景光を差し引くための方法、及び、この方法における使用のためのピクセル
Document Type and Number:
Japanese Patent JP7105782
Kind Code:
B2
Abstract:
The invention pertains to a method for subtracting background light from an exposure value of a first pixel in an imaging array, said first pixel receiving a reflection of a spot from a scenery illuminated by a periodically pulsed pattern of spots, said periodically pulsed pattern comprising in alternation an illuminated phase and a non-illuminated phase, the method comprising: accumulating in said first pixel a charge in proportion to a first quantity of incident light, received in said first pixel while detecting said spot during a predetermined amount of time; and decreasing said charge in proportion to a second quantity of incident light received during said predetermined amount of time in absence of said spot. The invention also pertains to a pixel and an imaging array.
Inventors:
Van Dijk, dark
Paezen, Rick
Paezen, Rick
Application Number:
JP2019538730A
Publication Date:
July 25, 2022
Filing Date:
October 03, 2017
Export Citation:
Assignee:
Xenomatics Namrose Fennote Shap
International Classes:
G01C3/06; G01S7/4863; G01S7/4865; G01S17/10; G01S17/894; G01S17/931; H04N5/374; H04N5/3745
Domestic Patent References:
| JP2008145386A | ||||
| JP200832427A | ||||
| JP2001148808A | ||||
| JP2016530503A | ||||
| JP2002526989A | ||||
| JP2004294420A |
Foreign References:
| WO2016076328A1 |
Attorney, Agent or Firm:
Asamura patent office