Addtional information is available in tutorial papers which describe the technology in more detail.
It is only recently, as a result of progress made at the August ISO meeting held in Vancouver, that the committee tabled a working draft of the standard detailed enough to enable Image Power's software engineers to produce the first practical working compression code. The JPEG 2000 standard has selected a wavelet coder as the new baseline. Image Power has developed two wavelet coders. This coder is currently implemented in the Power Compressor and Power Viewer software components. The second generation coder relies on a set of new techniques which build on the EZW structure while solving a number of important performance, robustness and Intellectual Property issues.