An image capturing apparatus includes: an image pickup section for converting, into image data, pixel signals obtained by picking up an image of an object; and an image processing section for performing predetermined image processing on the image data obtained as a result of conversion by the image pickup section. The image pickup section includes: an X-Y addressable image sensor for accumulating, in an image pickup area thereof, pixel signals of an object obtained by image pickup; and a conversion means for sequentially reading out pixel signals contained in each of processing units, converting the pixel signals into image data, and outputting the image data, the processing units each being an area of a predetermined size defined by dividing the image pickup area of the image sensor into rectangular blocks of a predetermined size and adding a predetermined number of pixels to each rectangular block in vertical and horizontal directions of the rectangular block. The image processing section includes: a memory for sequentially receiving and storing image data of each processing unit; and an image processing means for sequentially performing the predetermined image processing on the image data stored in the memory that is contained in the range of the rectangular block, and outputting the resultant image data.