By H.R. Wu, K.R. Rao
The hand is faster than the attention. in lots of situations, so is electronic video. keeping photograph caliber in bandwidth- and memory-restricted environments is readily changing into a fact as thriving examine delves ever deeper into perceptual coding strategies, which discard superfluous info that people can't procedure or observe. Surveying the subject from a Human visible procedure (HVS)-based technique, electronic Video photo caliber and Perceptual Coding outlines the foundations, metrics, and criteria linked to perceptual coding, in addition to the most recent suggestions and applications.This e-book is split extensively into 3 components. First, it introduces the elemental conception, innovations, ideas, and strategies underlying the sector, comparable to the fundamentals of compression, HVS modeling, and coding artifacts linked to present famous innovations. the subsequent part makes a speciality of photograph caliber evaluate standards; subjective and goal tools and metrics, together with imaginative and prescient version dependent electronic video impairment metrics; trying out systems; and foreign criteria concerning photograph caliber. eventually, functional functions come into concentration, together with electronic snapshot and video coder designs in accordance with the HVS in addition to post-filtering, recovery, blunders correction, and concealment techniques.The permeation of electronic photos and video during the global can't be understated. Nor can the significance of holding caliber whereas utilizing minimum space for storing, and electronic Video picture caliber and Perceptual Coding presents the instruments essential to accomplish this goal.Instructors and academics wishing to use this paintings as a textbook can obtain a presentation of 786 slides in PDF structure prepared to enhance the textual content. accompany our book(H.R. Wu and K.R. Rao, electronic Video photograph caliber and Perceptual Coding, CRC Press (ISBN: 0-8247-2777-0), Nov. 2005)for teachers or teacher to take advantage of for his or her sessions in the event that they use the ebook.
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Additional resources for Digital Video Image Quality and Perceptual Coding
Sample text
2 Image Compression and Coding Artifacts . . . . . . . . 1 Blocking Artifacts . . . . . . . . . . . . 2 Ringing Artifacts . . . . . . . . . . . . . 3 Reduction of Blocking Artifacts . . . . . . . . . . . 1 Adaptive Postfiltering of Transform Coefficients . . . . 1 Consideration of masking effect . . . . . . 2 Block activity . . . . . . . . . . . 3 Adaptive filtering . . . . . . . . . . 4 Quantization constraint .
5 Performance Analysis . . . . . . . . . . . 1 PC versus EBCOT-MSE . . . . . . . . 2 PC versus EBCOT-CVIS . . . . . . . . 3 PC versus EBCOT-XMASK . . . . . . . 6 Analysis and Discussion . . . . . . . . . . . 5 Perceptual Lossless Coder . . . . . . . . . . . . 1 Coding Structure . . . . . . . . . . . . . 2 Performance Analysis . . . . . . . . . . . 1 Subjective evaluation . . . . . . . . . 2 Results .
5 Summary . . . . . . . . . . . . . . . . . 1 Introduction . . . . . . . . . . . . . . . . 2 Analysis of the Color Bleeding Phenomenon . . . . . . . . 1 Digital Color Video Formats . . . . . . . . . . 2 Color Quantization . . . . . . . . . . . . 3 Analysis of Color Bleeding Distortion . . . . . . . 3 Description of the Post-Processor . . . . . . . . . . . 4 Experimental Results — Concluding Remarks . . . . . .