5. An image processing apparatus comprising: an extracting unit that extracts a text part from an image; a dividing unit that classifies text in the text part based on color information of the text, wherein the color information used for classifying is expressed in a certain color space, and threshold values are set in components of the certain color space in advance; a search condition specifying unit configured to specify a search condition including color information; and a text searching unit that searches the text based on the color information of the search condition.
5. An image processing apparatus comprising: an extracting unit that extracts a text part from an image; a dividing unit that classifies text in the text part based on color information of the text, wherein the color information used for classifying is expressed in a certain color space, and threshold values are set in components of the certain color space in advance; a search condition specifying unit configured to specify a search condition including color information; and a text searching unit that searches the text based on the color information of the search condition. 12. The image processing apparatus according to claim 5 , further comprising: a compression unit that binarizes segment parts obtained by classifying the text part by the dividing unit and compresses the binarized segment parts.