Solid-state imaging device and electronic camera and shading compensaton method
OwnerSatoshi Suzukiinventor
Life of this patent
Estimating the term…
Abstract
A solid-state imaging device provides an in situ shading correction value regardless of electronic camera performance variation or type of replacement lens installed, etc. In one implementation, light-receiving region 110 of a solid-state imaging device 100 is divided into an effective pixel part 110A and an available pixel part 110B. Pixels 130 in the available pixel part 110B provide output signals indicating the degree of shading at the effective pixel part 110A. Output signals from pixels 130 are used by a control part 220D of the electronic camera for shading correction of image data obtained by the effective pixel part 110A.
Claims44
A solid-state imaging device with a plurality of pixels having photoelectric conversion elements disposed in a light-receiving region, one or more of the photoelectric conversion elements being subject to a degree of shading from incident light, the improvement comprising:
- two or more light detection parts disposed along the periphery of the light-receiving region, each light detection part being capable of outputting a signal corresponding the degree of shading.
An electronic camera, comprising:
- a solid-state imaging device with a plurality of pixels having photoelectric conversion elements disposed in a light-receiving region, one or more of the photoelectric conversion elements being subject to a degree of shading, two or more light detection parts disposed along the periphery of the light-receiving region, each light detection part being capable of outputting a signal corresponding the degree of shading from incident light;
- and
- an image adjustor for adjusting image data based on the signal corresponding to the degree of shading.
An in situ solid-state imaging device shading compensation method providing a shading compensation signal for a solid-state imaging device with a plurality of pixels having photoelectric conversion elements disposed in a light-receiving region, one or more of the photoelectric conversion elements being subject to a degree of shading from incident light, the method comprising:
- obtaining an in situ output signal corresponding the degree of shading from each of two or more light detection parts disposed along the periphery of the light-receiving region, the light detection parts including photoelectric conversion elements of pixels that are not used for image generation.
Dependencies are inferred from the claim text.