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- DPCM quantizer 差分脉冲编码调制量化器
- Quantizer of Image Vector Based on F. 基于分形的图像矢量量化器。
- A modified side-match vector quantizer is presented in this pap er. 本文提出了一种改进的边缘匹配矢量量化器。
- A type of distortion that results when DPCM is applied to television. 当差分脉码调制（DPCM）用于电视时所产生的一种失真。
- DPCM code in matlabenjoy source code integrity, and can be used directly. (译)：差分脉冲编码调制码matlabenjoy源代码的完整性，并可以直接使用。
- DPCM and VLC are two most important lossless compression algorithms. 预测编码(DPCM)和可变长编码(VLC)是两种最重要的无损压缩算法。
- Distortion was minimized using Lagrange theory to find the optimized quantizer. 该算法小用计算方差，计算量得到明显降低。
- Finally, an example of three-channel DPCM Spaceborne SAR is presented for varify-ing the method. 并以三波束星载SAR为例，通过仿真实例验证了该方法的有效性。
- The JPEG encoder includes DCT, Zigzag scan, Quantization, DPCM&RLE and Huffman coding. JPEG编码器又由DCT模块、Zigzag_scan模块、Quantization模块、DPCM编码和游程编码模块、Huffman编码等组成。
- A method is presented to design a rotated Barnes-Wall lattice based Vector quantizer. 文中提出了一种基于旋转Barnes－Wall格的格型矢量量化器（LVQ）实现方法。
- A new Split Vector Quantizer(SVQ) of LSF parameters is designed in LPC speech coding. 在LPC语音编码中设计了一种新的LSF参数分裂矢量量化器。
- To further improve compression performance,this paper presents an efficient lossless compression algorithm of images based on DPCM and S+P transform. 为了进一步提高压缩性能,论文提出了一种基于DPCM与S+P变换的图像无损压缩算法。
- A novel variable-rate correlation vector quantizer is presented for image encoding in this paper. 该文提出了一种用于图像编码的新颖的变比特率相关矢量量化器。
- An improved Unrestricted Polar Quantizer (UPQ), which can enhance the performance of the quantizer is put forward. 论文还对非约束式相位量化(UPQ)算法进行了改进，在不增加计算量的基础上，取得较原算法更好的性能。
- To obtain the optimal quantizer,the distributions of wavelet transform coefficients for image must be determined. 为了设计最优量化器，必须确定变换系数的分布规律。
- A new still-picture compression coding algorithm, VQ + DPCM + DCT algorithm, is proposed. The performance of JPEG baseline system and VQ + DPCM + DCT algorithm is compared. 本文提出了一种新的静止图象压缩编码算法,即VQ+DPCM+DCT算法,并与JPEG标准的基本系统进行了比较。
- Losless encoding of CDF(2,2)combine with SPIHT comparison whit ARJ ,JPEGLS and integer Haar wavelet transform with DPCM,improved compression rate by40%,30%,15%respectively. CDF(2,2)结合SPIHT编码的无损图象压缩比与ARJ,JPEGLS,整数Haar变换结合DPCM相比分别平均提高了40%25,30%25,15%25左右。
- Fr om recent development, this paper reviews the formation of the vector quantizer, the coding algorithm and its application of image compression. 本文就目前的研究进展，从矢量量化器的形成、编码算法及在图像压缩编码中的应用进行了综合性的描述。
- A new scheme for adaptive DPCM picture coding is proposed by modifying the scheme previously reported in [1], using the criterion of minimum entropy value of prediction errors. 本文按照预测误差熵值最小的准则,修改了文献[1]的方案,得出一个新的自适应DPCM图象编码方案。
- This paper describes a particular scheme of a low bit rate image encoding method using DPCM, in wh-ich the hit rate decreases from 8 bit/pel to 1.75 bit/pel. 本文介绍了一种低码率DPCM图象编码的具体方案;使每象元由8比特压缩成平均1.;75比特。
