00000nam 2200000zi 4500 9.881002 CaOODSP 20221107165927 m o d f cr |n||||||||| 191023e197401##oncda|| ob f000 0|eng d CaOODSP eng rda CaOODSP n-cn--- Co24-314/1974E-PDF Shiva, S. G. S., author. Simulation of a digital image processing system / by S.G.S. Shiva, J.-P. Dion. [Ottawa] : [Department of Communications], January 1974. 1 online resource (1 volume (various pagings)) : charts, illustrations text txt rdacontent computer c rdamedia online resource cr rdacarrier Digitized edition from print [produced by Innovation, Science and Economic Development Canada]. "A report submitted to the Dept. of Communications under contract No. OSP3 - 0300." Includes bibliographical references. "The image transmission problem is introduced as well as the more important digital processing techniques for image bandwidth compression given. These different methods are then examined as to their relative merits and disadvantages. A study of pel amplitude frequency distributions and pel difference amplitude distributions is then made, using standard digitized images. From these results, companded DPCM followed by negacyclic coding is chosen as the source coding scheme to be investigated. A companded DPCM image processing and transmission system is then simulated. The resulting pictures are presented, along with a proposal for a system incorporating a negacyclic codec"--Abstract. Television bandwidth compression. Compression de la largeur de bande (Télévision) Canada. Department of Communications. University of Ottawa. PDF 11.51 MB https://publications.gc.ca/collections/collection_2020/isde-ised/Co24/Co24-314-1974-eng.pdf