DISPOSITIF DE TRAITEMENT D'IMAGES ET PROCÉDÉ DE COMPRESSION DE PLAGE DYNAMIQUE POUR DES IMAGES À LARGE PLAGE

摘要

Provided is an image processing apparatus including: a WDR image sensor configured to output image frames by photographing a subject; a wide image synthesis unit configured to synthesize a wide image frame by synthesizing n subchannels included in each of the image frames; a knee curve generating unit configured to calculate an integral histogram from luminance levels of a total of m x n subchannels included m image frames among the image frames and generate a knee curve from the integral histogram; and a dynamic range transforming unit configured to reduce a dynamic range of the synthesized wide image by using the generated knee curve.