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详细说明： E文JPEG编解码介绍.pdf ISO/IEC 10918-1 : 1993(E) 3.1.6 arithmetic decoder: An embodiment of arithmetic decoding procedure. 3.1.7 arithmetic encoder: An embodiment of arithmetic encoding procedure. 3.1.8 baseline (sequential): A particular sequential DCT-based encoding and decoding process specified in this Specification, and which is required for all DCT-based decoding processes. 3.1.9 binary decision: Choice between two alternatives. 3.1.10 bit stream: Partially encoded or decoded sequence of bits comprising an entropy-coded segment. 3.1.11 block: An 8 ´ 8 array of samples or an 8 ´ 8 array of DCT coefficient values of one component. 3.1.12 block-row: A sequence of eight contiguous component lines which are partitioned into 8 ´ 8 blocks. 3.1.13 byte: A group of 8 bits. 3.1.14 byte stuffing: A procedure in which either the Huffman coder or the arithmetic coder inserts a zero byte into the entropy-coded segment following the generation of an encoded hexadecimal X’FF’ byte. 3.1.15 carry bit: A bit in the arithmetic encoder code register which is set if a carry-over in the code register overflows the eight bits reserved for the output byte. 3.1.16 ceiling function: The mathematical procedure in which the greatest integer value of a real number is obtained by selecting the smallest integer value which is greater than or equal to the real number. 3.1.17 class (of coding process): Lossy or lossless coding processes. 3.1.18 code register: The arithmetic encoder register containing the least significant bits of the partially ...展开收缩
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