In a method and a system for encoding and transmission of still images having at least one region of interest (ROI), the ROI coefficients of an image transformed into the frequency domain, preferably using a wavelet transform are encoded so that they are transmitted first and can be decoded by a receiver...http://www.google.com.au/patents/US6804405?utm_source=gb-gplus-sharePatent US6804405 - Method and a system for coding rois
