A color matching method for improving the color reproduction quality of color computer-generated holography (CCGH) is proposed. It is found that the amplitude of object wave in CCGH is related with object's color quantity in computer display colorimetric system, three primary wavelengths of CCGH and spectral distribution of illuminant source. Thus, this paper presents the conversion relationship between color quantity in computer display colorimetric system and amplitude of object wave in CCGH, which can improve the color quality of holographic image. In order to demonstrate the effectiveness of the proposed method, two experiments are conducted. The CCGH targets are respectively two-dimensional (2D) color object, three-dimensional (3D) gray and color mixed object. The experimental results demonstrate that the proposed color matching method of CCGH is effective. It has practical applications in both static and real-time dynamic holographic display, especially in high quality CCGH display.
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