DEPTH SIGNAL GENERATION DEVICE, PSEUDO STEREOSCOPIC IMAGE SIGNAL GENERATION DEVICE, DEPTH SIGNAL GENERATION METHOD, PSEUDO STEREOSCOPIC IMAGE SIGNAL GENERATION METHOD, DEPTH SIGNAL GENERATION PROGRAM, AND PSEUDO STEREOSCOPIC IMAGE SIGNAL GENERATION PROGRAM

摘要

PROBLEM TO BE SOLVED: To easily improve a pseudo stereoscopic effect as a whole screen in a pseudo stereoscopic image to be generated from a non-stereoscopic image.;SOLUTION: A depth signal generation device 1 comprises: a luminance histogram data generation unit 121 that divides a luminance level of a video signal into plural luminance level areas, and generates luminance histogram data based on the number of pixels included in each luminance level area for every pixels of a predetermined unit of the video signal; a high-frequency component histogram data generation unit 122 that generates high-frequency component histogram data indicating the distribution of high-frequency components of luminance levels; and a depth signal estimation unit 13 that corrects the luminance histogram data based on the high-frequency component histogram data, calculates a gain correction value based on a state of the distribution of the corrected luminance histogram data, generates a tone correction curve based on the calculated gain correction value and the corrected luminance histogram data, and generates a depth signal from the video signal based on the generated tone correction curve.;COPYRIGHT: (C)2012,JPO&INPIT