Image processing method and image processing apparatus

An image processing apparatus, comprising:

• a scanner body configured to scan a scan target to acquire data;
• a tip comprising an identifier, which has unique information, on one surface thereof and configured to be detachably coupled to the scanner body;
• and
• a controller configured to update usage information of the tip assigned to the unique information,
• wherein the tip comprises an optical member configured to change a path of light,
• wherein the scanner body comprises at least one camera configured to receive light of the scan target and the identifier,
• wherein image data generated from the light has an input area corresponding to an angle of view of the camera,
• wherein the input area comprises a first area, received in the camera through the optical member and formed as the image data, and a second area, received in the camera without going through the optical member and formed as the image data, and
• wherein the identifier is located in the second area.