Image sensing apparatus and its control method, control program, and storage medium
First Claim
1. An image sensing apparatus comprising:
- a single solid-state image sensing element having matrix-like arranged first to fourth image sensing areas with substantially the same size, all of the first to fourth image sensing areas being arranged on a single plane, green color filters being arranged on the first and fourth image sensing areas which are arrayed on one diagonal line of the matrix, and red and blue color filters being arranged on the second and third image sensing areas which are arrayed on the other diagonal line of the matrix;
a photographing optical system that respectively forms first to fourth object images on the first to fourth image sensing areas; and
a signal processing device that processes an output signal from said image sensing element,wherein each of the first and fourth image sensing areas has a matrix of a plurality of pixels arranged at a pitch a in the horizontal direction and a pitch b in the vertical direction on a light-receiving surface, the first and fourth image sensing areas have a positional relationship in which the first and fourth image sensing areas are separated a×
h×
c in the horizontal direction and b×
c in the vertical direction (where h is a positive integer and c is constant), said image sensing element forms first and fourth images which are formed to have an identical spectral distribution and have substantially the same fields of view, and said signal processing device corrects a misregistration of the first and fourth images based on a relationship of the pixels arrayed in a slanting direction, and generates a composite image signal based on the first and fourth images.
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Abstract
This invention has as its object to provide an image sensing apparatus which can satisfactorily correct misregistration among images, and can composite the images. To achieve this object, an image sensing apparatus includes: a plurality of apertures that receives external light from different positions; a plurality of image sensing units that outputs image signals obtained by independently receiving light that comes from an identical position of an object and is received via the plurality of apertures, and independently extracting predetermined color components for each received light; and a signal processing device that forms a signal that outputs an object image by mixing the image signals output from the plurality of image sensing units. When it is determined that a predetermined position deviation occurs between the image signals upon forming the signal that outputs the object image, the signal processing device corrects the predetermined position deviation by a signal process, and forms the signal that outputs the object image.
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Citations
6 Claims
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1. An image sensing apparatus comprising:
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a single solid-state image sensing element having matrix-like arranged first to fourth image sensing areas with substantially the same size, all of the first to fourth image sensing areas being arranged on a single plane, green color filters being arranged on the first and fourth image sensing areas which are arrayed on one diagonal line of the matrix, and red and blue color filters being arranged on the second and third image sensing areas which are arrayed on the other diagonal line of the matrix; a photographing optical system that respectively forms first to fourth object images on the first to fourth image sensing areas; and a signal processing device that processes an output signal from said image sensing element, wherein each of the first and fourth image sensing areas has a matrix of a plurality of pixels arranged at a pitch a in the horizontal direction and a pitch b in the vertical direction on a light-receiving surface, the first and fourth image sensing areas have a positional relationship in which the first and fourth image sensing areas are separated a×
h×
c in the horizontal direction and b×
c in the vertical direction (where h is a positive integer and c is constant), said image sensing element forms first and fourth images which are formed to have an identical spectral distribution and have substantially the same fields of view, and said signal processing device corrects a misregistration of the first and fourth images based on a relationship of the pixels arrayed in a slanting direction, and generates a composite image signal based on the first and fourth images. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification