IMAGE PROCESSING FOR HDR IMAGES

• Main Authors: JIA WENHUI, WANG GAVEN, NINAN AJIT, YANG QIAOLI, SHAH ANKUR, TEN ARKADY, TONG HUIMING
• Format: Patent
• Language: English; Korean
• Published: 18.03.2015
• Subjects: CALCULATING; COMPUTING; COUNTING; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; IMAGE DATA PROCESSING OR GENERATION, IN GENERAL; PHYSICS; PICTORIAL COMMUNICATION, e.g. TELEVISION

Image encoding is described. Log-luminances in an HDR input image are histogrammed to generate a tone-map, along with which a log global tone-mapped luminance image is computed. The log global tone-mapped luminance image is downscaled. The log-luminances and the log global tone-mapped luminance imag...