Image sensing device and imaging device including the same

An image sensing device comprising:

• a first pixel;
• a second pixel arranged adjacent to the first pixel in a first direction;
• a third pixel arranged adjacent to the first pixel in a second direction;
• a fourth pixel arranged adjacent to the third pixel in the first direction;
• and
• a binning circuit configured to:
• generate a first binning image by binning the first pixel and the third pixel;
• generate a second binning image by binning the first pixel, the second pixel, and the third pixel;
• and
• generate a third binning image by reading a pixel signal of the fourth pixel.

An image sensing device comprising:

• a plurality of pixel blocks including a plurality of pixel groups arranged in a Bayer pattern, and arranged in a first direction and a second direction perpendicular to the first direction;
• and
• a binning circuit configured to bin pixels included in each of the plurality of pixel groups,
• wherein
• each of the plurality of pixel groups includes a plurality of first pixels each having a first sensitivity and a plurality of second pixels each having a second sensitivity different from the first sensitivity;
• the pixel blocks adjacent to each other in the first direction and the second direction are configured such that the first pixels and the second pixels are arranged in different patterns;
• and
• the binning circuit outputs a first binning image by binning pixels disposed in one column line or one row line among the plurality of first pixels, outputs a second binning image by binning the plurality of first pixels, and outputs a third binning image by binning the second pixels.

An image sensing device comprising:

• a first pixel block including a plurality of first pixel groups arranged in a Bayer pattern;
• a second pixel block located adjacent to the first pixel block in a first direction and including a plurality of second pixel groups arranged in a Bayer pattern;
• and
• a binning circuit configured to generate binning images by binning pixels of the first pixel block and the second pixel block,
• wherein:
• each of the plurality of first pixel groups includes a plurality of first pixels having a first photosensitivity and a second pixel having a second photosensitivity;
• each of the plurality of second pixel groups includes a plurality of third pixels having the first photosensitivity and a fourth pixel having the second photosensitivity;
• the plurality of first pixels and the plurality of third pixels are arranged symmetrically to each other in a specific direction;
• and
• the second pixel and the fourth pixel are arranged symmetrically to each other in the specific direction.

An imaging device comprising:

• an image sensing device including a plurality of first pixels having a first photosensitivity and at least one second pixel having a second photosensitivity, and configured to generate parallax images for a specific direction in response to binning images obtained by binning the plurality of first pixels and the at least one second pixel;
• and
• a parallax calculator configured to compare the parallax images with each other to calculate parallax for the specific direction,
• wherein the image sensing device is configured to:
• generate a first binning image by binning some first pixels among the plurality of first pixels;
• generate a second binning image by binning the plurality of first pixels;
• and
• generate a third binning image by binning the at least one second pixel.