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 synchronize the MPEG-coded video, audio, and other data into a ... chapters, the MPEG-1, 2, and 4 standards are designed as generic standards and as such are suitable for use in a wide range of audiovisual applications. The coding part of the standards...

Ngày tải lên: 23/10/2013, 16:15

... 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 us...

Ngày tải lên: 17/10/2013, 11:15

... of 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 with ... (4) with and (5) without shape motion vectors, and inter (6) with and (7) without shape motion vectors and prediction error coding. These different options with optional down-sam...

Ngày tải lên: 19/10/2013, 18:15

... Press 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 established mainly for videophony and videoconferencing. The ... advances in wireless and network communications. As stated in the previous chapters, these standards include JPEG for still image coding and MPEG-1/2 for CD-ROM storage and digital...

Ngày tải lên: 19/10/2013, 18:15

... input image and video are to be encoded. It is not necessary that the original image and video waveform be quantized and coded: we will show that some formats obtained from the input image and ... coding and has a direct impact on the bit rate and the distortion of reconstructed images or videos. We discuss concepts, principles and various quantization techniques which inc...

Ngày tải lên: 22/12/2013, 21:18

... in image and video compression. * In this book, the terms image and video data compression, image and video compression, and image and video coding are synonymous. © 2000 by CRC Press LLC and (1.19) In ... reconstructed image and video is application dependent. In medical diagnoses and some scientific measurements, we may need the reconstructed image and video t...

Ngày tải lên: 22/12/2013, 21:18

... coding are the image modeling, image analysis, and image synthesis techniques. Both image analysis and synthesis are based on the image model. The image modeling techniques used for image coding ... Lundmark, and R. Forchheimer, Image Sequence Coding at Very Low Bitrates: A Review, IEEE Trans. Image Process., 3(5), 1994. Li, W. and Y. Zhang, Vector-based signal proce...

Ngày tải lên: 19/01/2014, 20:20

... 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 both continuous-tone and bilevel images. The...

Ngày tải lên: 19/01/2014, 20:20

... CRC Press LLC Still Image Coding Standard: JPEG In this chapter, the JPEG standard is introduced. This standard allows for lossy and lossless encoding of still images and four distinct modes ... second layer, and 0.1 bits per pixel at the third layer). REFERENCES Digital compression and coding of continuous-tone still images. Requirements and Guidelines, ISO-/IEC Internat...

Ngày tải lên: 19/01/2014, 20:20

... 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 comparison have been presented ... is also used in the UNIX Compress command. 6.5 INTERNATIONAL STANDARDS FOR LOSSLESS STILL IMAGE COMPRESSION In the previous chapter, we studied Huffman and arithmetic coding techniques...

Ngày tải lên: 19/01/2014, 20:20