US Patent 7324235 Imaging apparatus capable of efficient management of page memory

An imaging apparatus acquires image information while analyzing the image information into pixel data of multiple color components, and reproduces an image from the image information. The imaging apparatus comprises a memory region reservation unit that reserves memory regions for storing the pixel data of the multiple color components when acquiring the image information. Each memory region is assigned to one of the multiple color components. Also provided is a color determination unit that makes a color determination as to whether each of the multiple color components is recognized as being significant in the pixel data of the image information. In addition, a memory region releasing unit is provided that releases the memory region assigned to the color component that is not recognized by the color determination unit.