Image and Videl Comoression P15
Image and Videl Comoression P15
... MPEG-1/2 video standards, which include the ATSC DTV standard, transcoding, down-conversion decoder, and error concealment. The DTV standard is the application extension of the MPEG video standard. The ... interlaced video format and the syntax for data partitioning and scalability. The ATSC DTV standard is the first and most important application example of the MPEG-2 standard. The use of MPEG-2 ... Philips, Sarnoff, and NBC in November 1990; Digital Spectrum Compatible HDTV by Zenith and AT&T in December 1990; and Channel Compatible Digicipher by General Instrument and the Massachusetts...
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Image and Videl Comoression P16
... 2-D and 3-D surfaces, and wavelet coding for still textures. 18.2.1.3 Improved Temporal Random Access The MPEG-4 provides and efficient method to access randomly, within a limited time, and ... RESILIENCEThe MPEG-4 visual coding standard provides error robustness and resilience to allow access of image and video data over a wide range of storage and transmission media. The error resiliencetool ... (4) with and (5) withoutshape motion vectors, and inter (6) with and (7) without shape motion vectors and prediction errorcoding. These different options with optional down-sampling and transposition...
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Image and Videl Comoression P17
... LLC ITU-T Video Coding Standards H.261 and H.263 This chapter introduces ITU-T video coding standards H.261 and H.263, which are establishedmainly for videophony and videoconferencing. The ... advances in wireless and network communications. As stated in the previous chapters, these standards include JPEG forstill image coding and MPEG-1/2 for CD-ROM storage and digital television ... pixels, A and B, are neighboring pixels and A is in block 1 and B is in block 2, respectively, then the filter isdesigned as(19.9a)(19.9b)where A1 and B1 are the pixels after filtering and “/”...
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Image and Videl Comoression P118
... System — Video, Audio, and Data Multiplexing In this chapter, we present the methods and standards requiring how to multiplex and synchronizethe MPEG-coded video, audio, and other data into a ... chapters, the MPEG-1, 2, and 4 standardsare designed as generic standards and as such are suitable for use in a wide range of audiovisualapplications. The coding part of the standards convert the ... video-coding standard 13818-2 and audio-coding standard 13818-3. The compressed audio and video bitstreams are then packetized to thepacketized elementary streams (PES). The video PES and audio...
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Tài liệu Image and Videl Comoression P2 doc
... input image and video are to be encoded. It is not necessarythat the original image and video waveform be quantized and coded: we will show that someformats obtained from the input image and ... coding and has a direct impact on the bit rate and the distortion of reconstructedimages or videos. We discuss concepts, principles and various quantization techniques whichinclude uniform and ... original image and video.Note that the term transformation in Figure 2.3(a) is sometimes referred to as mapper and signal processing in the literature (Gonzalez and Woods, 1992; Li and...
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Tài liệu Image and Videl Comoression P1 pptx
... in image and video compression. * In this book, the terms image and video data compression, image and video compression, and image and video codingare synonymous.© 2000 by CRC Press LLC and (1.19)In ... reconstructed image and video is application dependent. In medicaldiagnoses and some scientific measurements, we may need the reconstructed image and video tomirror the original image and video. ... in many classic optics and digital image processing texts.The RGB model is used mainly in color image acquisition and display. In color signal processingincluding image and video compression,...
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Tài liệu Image and Videl Comoression P9 doc
... coding are the image modeling, image analysis, and image synthesistechniques. Both image analysis and synthesis are based on the image model. The image modelingtechniques used for image coding ... Lundmark, and R. Forchheimer, Image Sequence Coding at Very Low Bitrates: A Review, IEEETrans. Image Process., 3(5), 1994.Li, W. and Y. Zhang, Vector-based signal processing and quantization for image ... M.F. and A.E. Jacquin, Application of recurrent iterated function systems, SPIE, vol. 1001, VisualCommunications and Image Processing, 1988, 122-131.Barnsley, M. and L. P. Hurd, Fractal Image...
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Tài liệu Image and Videl Comoression P8 docx
... of image compression system under development by Joint Photographic Experts Group for still image coding. This standard is intended to meet a need for image compression with great flexibility and efficient ... computer-generated imagery or computer graphics.Compound documents: the new coding standard is desired to be capable of compressing bothcontinuous-tone and bilevel images. The coding scheme can compress and ... Process.,3445-3462, Dec. 1993.Vetterli, M. and J. Kovacevic, Wavelets and Subband Coding, Englewood Cliffs, NJ: Prentice-Hall, 1995.Woods, J., Ed., Subband Image Coding, Kluwer Academic Publishers,...
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Tài liệu Image and Videl Comoression P7 doc
... CRC Press LLC Still Image Coding Standard: JPEG In this chapter, the JPEG standard is introduced. This standard allows for lossy and lossless encodingof still images and four distinct modes ... secondlayer, and 0.1 bits per pixel at the third layer). REFERENCES Digital compression and coding of continuous-tone still images. Requirements and Guidelines, ISO-/IECInternational Standard ... 1992.Pennelbaker, W. B. and J. L. Mitchell, JPEG: Still Image Data Compression Standard , Van Nostrand Reinhold,New York, 1992.Symes, P. Compression: Fundamental Compression Techniques and an Overview...
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Tài liệu Image and Videl Comoression P6 ppt
... fact that there are several international standards concerning still image coding(for both bilevel and multilevel images), a brief summary of them and a performance comparisonhave been presented ... is also used in the UNIX Compresscommand.6.5 INTERNATIONAL STANDARDS FOR LOSSLESS STILL IMAGE COMPRESSIONIn the previous chapter, we studied Huffman and arithmetic coding techniques. We also ... tech-niques, the LZ77 and LZ78 algorithms, are presented. Finally, a brief summary of and a performancecomparison between international standard algorithms for lossless still image coding are presented.Since...
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