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compressed image中文是什么意思

  • 压缩图像

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  • In the final , we evaluated and analyzed the quality of a series of compressed images with the fuzzy image and psnr ( peak signal - to - noise ratio ) measurement . we have also made some other experiments such as add noise to the images and so on
    然后用峰值信噪比和本文提出的模糊图像度量分别对一系列压缩后的图像质量进行评价,并且分析了它们的评价结果,最后还进行了对图像添加各种噪声等实验。
  • The card is a independent instrument which can do white - black video image digitization , eompresing , coding and transmit the compressed image data to host computer by rs - 485 bus , so the card can solve the bottle - neck problem of the video supervise system completely
    该压缩卡是一个独立的视频图像压缩和传输设备,它能直接对黑白电视信号进行数字化和压缩编码,并通过rs - 485总线将压缩的图象数据发送到上位机,彻底解决了视频监控中的传输“瓶颈”问题。
  • It is well known that jpeg and jpeg2000 are still image compression standard with high performance at present time . so we choose them as our investigative base to compress image . my amendment in jpeg mainly includes self - adaptive huffman coding and reduction of blocking effect
    由于jpeg标准所提供的算法还有进一步改进的可能,所以在文中将介绍如何对jpeg标准进行算法改进,主要包括:自适应哈夫曼编码、块效应的消除;针对jpeg2000标准,将主要介绍jpeg2000标准核心算法的实现以及如何用最大位平移方法实现感兴趣区编解码。
  • The hardware implementation results against real image input are presented and analyzed . compressed images compressed by fpga are compared to compressed images compressed by software , focusing on computing time and compress quality . future research areas are suggested to improve the jpeg encoder performance
    在本文的测试部分,阐述利用实际图像作为输入,从fpga的输出得到了正确的压缩图像,计算了相应的图像压缩速度和图象质量指标,并与软件压缩的速度和结果做了对比,提出了未来的改进建议。
  • Here we mainly research the metheds on video acquisition and video codec , as well as video data inter - communication . in this system , we use fpga , manufatured by altera co . ltd , to acquisite the image resource precisely . also we implement high speed and complex logic design to control the whole system and pc104 interface with it . here the captured image data is stored to sdr - sdram outside fpga . then it is compressed according to jpeg2000 compression standard . the compressed image streaming data is stored in sdr - sdram
    在本设计中利用altera公司的cycloneep1c6的fpga芯片完成高清vga图像信号的精确采集,并利用其完成复杂而高速的逻辑控制及时序设计,实现了与pc104上位机接口程序设计,并将采集的数字视频信号存储在外扩存储空间sdr - sdram中;利用tidm642完成将采集到的数字图像信息按照jpeg2000压缩编码标准进行处理。
  • The research works of this dissertation for static image retrieval mainly include following parts . ( 1 ) the basic elements and evaluation criteria of image content representation are summarized and a retrieval method for dct compressed imaged based on codebook is proposed , which could combine multiple features
    论文在静态图像基于内容检索方面的研究主要包括: ( 1 )总结了图像内容描述的构成要素和判断标准,提出了基于码本融合多特征的面向压缩图像的内容检索方法。
  • The design scheme with a multi - state trellis states also shows a better snr performance than current reported schemes . the author , in the meanwhile , uses tcq to implement sar image compressions . the result proves that the compressed images are high psnr and low distortion characters , which is suitable to be used in space - borne and airborne sar systems
    论文还采用tcq算法对sar图像进行了压缩试验,结果表明,经过tcq算法压缩后的图像具有较高的信噪比,而且图像失真小,可以作为今后星载、机载sar平台进行数据压缩的一种可选择的技术方案。
  • Image compression coding plays a very important role in the multimedia communication technology . various compression standards , such as jpeg2000 and mpeg - 4 , have appeared . wavelet transform technology is used both in jpeg2000 and mpeg - 4 . in this paper , firstly , i mainly discuss the problem about wavelet zerotree in image coding and two improved algorithms are proposed . secondly , we compress image combined with deleting noise by wavelet zerotree algorithm . lastly , several compessing methods based on wavelet zerotree idea are compared and summarized
    图像压缩编码技术是多媒体通信技术中的关键技术,近年来各种压缩标准应运而生(例如jpeg2000和mpeg - 4 ) ,这两个标准都推荐使用小波变换技术来编码。本文主要研究了小波零树编码在图像压缩及其去噪中的应用,提出了一些改进算法;最后对各种基于小波零树思想的压缩编码方法进行比较和总结。
  • Computer is more and more applied to process image and other multimedia , how to compress image effectively for saving resource becomes a research hotspot at present . many international standards are designed for image compression , jpeg2000 is the newest standard of static image compression
    随着计算机越来越多的用来处理图像及多媒体信息,为达到节省资源的目的,如何对图像进行有效的压缩成为一个当前研究的热点。针对图像压缩国际上提出了很多的标准,其中jpeg2000是最新的静态图像压缩标准。
  • According to this , we propose a new way to renew the traditional method of subjective image quality evaluation , different to only use mse ( mean square error ) and psnr ( peak signal - to - noise ratio ) to evaluate merely on radiation distortion , and complemented quantitative description on compressed image distortion o it is significant to choose the format of video transferation and measuring precision calculation of tracking and measuring systems based on images
    中国科学院长春光机与物理研究所博士学位论文据此提出了不同于传统的仅用均方误差( mse )和峰值信噪比( psnr )来评价图像灰度辐射畸变的新思路,补充了对压缩图像几何畸变的定量描述。这对于基于图像的测量跟踪系统中数字图像传输方式的选择,以及评价压缩解压算法对测量精度的影响有重要意义。
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Last modified time:Thu, 14 Aug 2025 00:29:56 GMT

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