Image display device and image display method

Details Image display device and image display method Image display device and image display method

2011-03-22

2011-03-22

Tran, My-Chau T (Department: 2629)

Television

Video display

Projection device

C348S750000, C348S756000, C345S589000, C345S600000, C345S601000

Reexamination Certificate

active

07911544

ABSTRACT:
Technology for carrying out a luminance range expansion process is provided. In the technology, the luminance range expansion process is carried out in a manner appropriate to the luminance histogram of image data. Using the white peak value WP which represents the maximum value of luminance and the APL which represents the mean value thereof in the luminance histogram of image data, an expansion coefficient for use in the luminance range expansion process is derived by referring to an expansion coefficient lookup table210. On the basis of the expansion coefficient, the luminance range expansion process is performed on the image data.

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