| 1. | For more information , see the " setting partition options " section of the topic 主题中的“设置分区选项”部分。 |
| 2. | And feature set partitioning )和功能集分区( |
| 3. | Spiht ( set partitioning in hierarchical trees ) method is a more effective wavelet coefficients scanning method originated from zero - tree method Spiht (层次树中集合划分)方法是对零树编码方法的改进,具有更高的编码效率。 |
| 4. | Then , we focus on embedded wavelet algorithm , include embedded zerotrees wavelet algorithm , set partitioning in hierarchical trees algorithm and x - tree image coding algorithm 并根据ezw算法在量化过程中存在的问题,提出了一种改进的零树量化编码算法。 |
| 5. | 5 ) a set partitioning in hierarchical trees encoder for one dimension data was developed . a novel compression method was proposed by combining the encoder with integer wavelet transform 5 )给出了针对一维数据压缩的多级树集合分割编码,并将其与整数小波变换相结合导出了一种新的数据压缩方法。 |
| 6. | Combined with listless spiht ( set partition in hierarchical trees ) , a remote sensing image compression hardware system using fpga ( field programmable logic array ) technology is implemented on virtex chip 在使用fpga技术的基础上,一种结合无链表spiht的遥感图像压缩算法在可编程器件virtex芯片上得到了实现。 |
| 7. | Finally , the error images of mp are coded by spiht ( set partitioning in hierarchical trees ) to get the final codestream . in order to testify the effectiveness of the proposed algorithm , aviris images are used for computer simulation and the results indicate the proposed 最后,对经过mp算法处理后的残差图像利用spiht ( setpartitioninginhierarchicaltrees )算法进行编码,从而完成了对高光谱图像的压缩。 |
| 8. | As the merits of multi resolution analysis , wavelet theory now is widely applied in every fields of signal processing , especially in image codec , like jpeg2000 , mpeg4 standards , etc . wavelet based spiht ( set partitioning in hierarchical trees ) codec algorithm and its application in face recognition are studied in this thesis . the main contributions are as follows : 1 . the followings are studied in this thesis : principle of wavelet based image coding methods , key problems of wavelet transform in image codec and some main coding algorithms based on wavelet 本文研究了基于小波spiht ( setpartitioninginhierarchicaltrees )图像压缩编码性能及其在人脸识别中的应用,主要工作如下: 1 、给出了基于小波的图像压缩编码的基本原理与主要几种小波图像压缩算法,讨论了图像编码中小波基选取、边界处理以及分解级数等几个问题。 |
| 9. | The fifth chapter use huffman coding method of the row difference data and lifting wavelet transform and spiht ( set partitioning in hierarchical tree ) coding method to realize the diagnostically compression of mfl data by judging the significance of data using changing threshold and dynamic area threshold of mfl data 在第五章通过数据变化阈值和数据动态范围阈值判断数据重要性,分别采用行差分数据的霍夫曼编码方法以及提升小波变换和层次树集分割( spiht )编码方法实现了数据的检测无损压缩。 |
| 10. | This paper introduces a video intelligent surveillance system , and presents the structure of the system , adaptability for bandwidth and the method for intelligent surveillance . it describes the key technologies , such as wlan , efficient video coding arithmetic based on spiht ( set partition in hierarchical trees ) , intelligent alarm aroused by video - recognizing , and so on , gives out the testing results and important parameter of performance by realizing the system 提出了基于无线网的视频智能监控系统的原理结构、带宽适应性和智能监控的实现方法,描述了系统中使用的无线组网、基于spiht视频编解码算法和基于内容的视频识别等关键技术,给出了系统实现后的实际测试结果及相关性能指标。 |