Image processing apparatus and method

Abstract

Abstract PROBLEM TO BE SOLVED: To attain signal conversion between an object color and a color of light source even in the case of employing an image observation method without a sensor for an environment light by providing a visual color matching means and a calculation means for a conversion parameter used for signal conversion processing. SOLUTION: Each section of an image processor 300 is controlled by a CPU 352, which employs a RAM 354 for a memory and controls each section by a program stored in a ROM 3. A scanner 301 is used to read an object color and when the color signal obtained from the scanner 301 is an RGB signal, a conversion section 302 converts the signal into an X1 Y1 Z1 , signal based on information stored in a profile 303. The obtained X1 Y1 Z1 signal is converted into an X2 Y2 Z2 signal by a conversion section 304. A conversion coefficient is decided based on data 308 obtained by colormetring paper on which an input image is printed out and on color data 309 obtained by using the data 308 as reference data and the image is converted simultaneously. Thus, the conversion parameter suitable for diversified environments is simply calculated when the image is observed without a sensor.

Inventors

• 👤 Yumiko Hidaka
• 👤 由美子 日高

Bibliographic Details