An image data processing method transforms a picture signal having a broad dynamic range to another picture signal having a narrow dynamic range. The picture signal having the narrow dynamic range is subjected to inverse transform to thereby output a recovered signal having the broad dynamic range. A...http://www.google.fr/patents/US7545991?utm_source=gb-gplus-shareBrevet US7545991 - Image data processing method and recording apparatus allowing original image of broad dynamic range to be reproduced
Image data processing method and recording apparatus allowing original image ...
