Solid-state imaging device, camera system, solid-state imaging device reading method and program

A camera system comprising:

• a solid-state imaging device;
• and
• an optical system forming an image of an object on the solid-state imaging device, wherein
• the solid-state imaging device includes
• a pixel section formed by a plurality of pixels having a photoelectric conversion function arranged in the form of a matrix,
• a pixel driving section driving the operation of the pixels to allow a readout to be performed according to a readout mode,
• a readout circuit reading out signals from the pixels and outputting the signals as image data in a raw data format, and
• a logic section performing scaling and phase correction in preparation for a resolution conversion process on a signal output from the readout circuit, the logic section including
• a resize portion performing a scaling process on the signal output from the readout circuit according to a scaling factor N (N is a value greater than 0) and
• a correction portion obtaining a distance Scaled_P between pixels of the same color which have been scaled from the scaling factor N, a readout factor B, and a distance P between adjoining pixels of different colors, obtaining the amount of correction to be made on a pixel to be corrected from the distance Scaled_P between pixels of the same color and the distance P between adjoining pixels of different colors, and performing phase correction according to the amount of correction.

A method of reading data from a solid-state imaging device, comprising the steps of:

• driving the operation of pixels of a pixel section formed by a plurality of pixels having a photoelectric conversion function arranged in the form of a matrix to allow a readout to be performed according to a readout mode;
• reading out signals from the pixels and outputting the signals as image data in a raw data format;
• and
• performing scaling and phase correction in preparation for a resolution conversion process on a signal output at the readout step, wherein the scaling and correction step includes the steps of
• performing a scaling process on the signal output at the readout step according to a scaling factor N (N is a value greater than 0),
• obtaining a distance Scaled_P between scaled pixels of the same color from the scaling factor N, a readout factor B, and a distance P between adjoining pixels of different colors,
• obtaining the amount of correction to be made on a pixel to be corrected from the distance Scaled_P between pixels of the same color and the distance P between adjoining pixels of different colors, and
• performing phase correction according to the amount of correction.

A non-transitory computer readable medium embodying a program causing a computer to execute processes for reading data from a solid-state imaging device, the processes including:

• a pixel driving process for driving the operation of pixels of a pixel section formed by a plurality of pixels having a photoelectric conversion function arranged in the form of a matrix to allow a readout to be performed according to a readout mode;
• a readout process for reading signals from the pixels and outputting the signals as image data in a raw data format;
• and
• a scaling and correction process for performing scaling and phase correction in preparation for a resolution conversion process on a signal output at the readout process, wherein the scaling and correction process includes
• a resize process for scaling the signal output at the readout process according to a scaling factor (N is a value greater than 0),
• a process for obtaining a distance Scaled_P between scaled pixels of the same color from the scaling factor N, a readout factor B, and a distance P between adjoining pixels of different colors,
• a process for obtaining the amount of correction to be made on a pixel to be corrected from the distance Scaled_P between pixels of the same color and the distance P between adjoining pixels of different colors, and
• a correction process for performing phase correction according to the amount of correction.