psnr 中文意思是什麼

psnr 解釋
信噪比
  1. The columns and rows are constrained by each other. the simulations over binary symmetric channe ( lbsc ) and gilbert - elliott channel ( gec ) shows the performance is great improved, especially over burst error channel peak signal to noise ratio ( psnr ) is improved more. it is tried to be used in wireless communication system

    模擬結果表明，採用行列交替約束的約束維特比譯碼以後，性能得到較大的提升，尤其在突發錯誤通道中，傳輸的圖像經乘積編碼進行通道編碼與譯碼后峰值信噪比有明顯的提高。
  2. After completing the mctf using db2 wavelet, it is well integrated with discrete wavelet transform ( dwt ) and embedded zero tree wavelet. it uses atom structure to organize the coded bit - stream to achieve the brilliant combination of three scalabilities : temporal, spatial and psnr scalabilities. and the software platform is based on vc + + 6. 0

    在基於db2小波的運動補償時域濾波方法實現之後，本文將之和離散小波變換（ dwt ） 、嵌入式零樹編碼進行有機結合，並採用基於基本原子粒的數據流組織結構將分層后的數據流有效地組織起來，實現了具有時間、空間、質量三方面的完整可伸縮性的編解碼系統，系統的軟體平臺基於vc + + 6 . 0實現。
  3. Simulation results show that the ringing artifacts around the image are reduced, the main information is preserved, and the peak signal to noise ratio ( psnr ) is higher than the known methods

    模擬計算表明，該方法可有效抑制圖像邊界的振鈴效應並保護了圖像的重要信息，並且比現有的方法具有更高的峰值信噪比。
  4. The experiment results from practical multispectral images have shown that this algorithm is efficient. if the original image is reconstructed by five eigen subimages, the nearlossless compression ratio is above 11 for the data used in this paper and the psnr is more than 45db

    實驗結果表明，對機載64波段多光譜遙感圖像進行k - l變換和整數小波變換后，選用五個本徵子圖像重建原圖像，壓縮比可以達到11以上，峰值信噪比則超過45db ，取得了其它方法無法獲得的效果。
  5. The experimental results manifest that the psnr of both the full reconstructed video sequences and the ones of frame rates changed are improved compared to the system base on haar wavelet. moreover, the decoding time of db2 filters is shorter than the haar one, the shorter the decoding time, the better the real - time displaying in the client side

    實驗結果表明，本系統與基於haar小波的可伸縮性視頻編解碼系統相比，完全重建的視頻圖像質量和幀速率改變后的重建視頻圖像質量都有了明顯的提高，並且解碼時間也有所縮短，具備了更好的實時性。
  6. Experimental results show that this formula improves the speed of video coder at the same psnr without damaging the image quality

    實驗表明，本文的改進演算法非常有效，避免了大量冗餘計算，在保證圖像質量的同時提高了編碼效率，提高了壓縮比。
  7. Recurring to resynchronization marker, data partitioning and rvlc, video files with errors are dealt with. the article codes and decodes video source files with errors, computing every algorithm ' s psnr, comparing video pictures " subjective and objective quality

    運用重同步標志（ resyncmarker ） 、數據分離（ datapartitioning ）和可逆變長編碼（ rvlc ）對含錯的視頻文件分別做錯誤處理。以mpeg - 4錯誤恢復方法對糟糕視頻源文件編碼、解碼，計算該演算法的psnr ，比較視頻幀的主客觀質量。
  8. The block - based fractal image compression method has a low compression ratio, so simple region - based fractal image compression is introduced, then the competitive region - based fractal image compression method is presented. the experimental results show that the compression ratio is effectively improved at a similar psnr value. wavelet - fractal image compression has been received widely attention

    由於基於塊的分形圖像壓縮方法的壓縮比不高，對此進行改進，先介紹簡單的基於區域的分形圖像壓縮，然後提出基於區域的競爭分形圖像壓縮演算法，並進行實驗，實驗結果表明，該方法在保持一定的信噪比的情況下，有效的提高了壓縮比。
  9. Peak signal to noise ratio, psnr

    通過比較降噪前後的峰值信噪比
  10. Experiments are performed on monochrome and color image sequences, and performance is measured by the peak signal to noise ratio ( psnr )

    最後分別對單色和彩色圖像序列進行了實驗，利用峰值信噪比（ psnr ）來度量演算法的性能。
  11. Experiment results show that in low bit rate environment, the new image compression scheme performs better than jpeg in the aspects of perception and psnr ( peak signal noise ratio )

    實驗結果表明該演算法在低碼率下，相比jpeg ，獲得了在視覺效果和峰值信噪比方面更好的恢復圖像質量。
  12. On the other hand, image quality measures haven ’ t been improved correspondingly. the most popular image quality assessment ( iqa ) is still traditional methods whose representative is psnr ( peak signal - to - noise ratio )

    在對圖像質量要求愈來愈高的今天，傳統的圖像質量評價演算法已無法提供令人滿意的結果，成為圖像處理技術的薄弱環節。
  13. Based on adaptive quad - tree fractal image encoding scheme, the concept and algorithm of peak signal noise ratio ( psnr ) based on the fractal codes is put forward, and is used to match the similarities between images

    本文以自適應四叉樹分割的分形圖像編碼為基礎，提出了圖像的分形碼峰值信噪比的概念和演算法，在無須解碼的情況下，直接對分形碼來量化圖像間的相似性。
  14. 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

    然後用峰值信噪比和本文提出的模糊圖像度量分別對一系列壓縮后的圖像質量進行評價，並且分析了它們的評價結果，最後還進行了對圖像添加各種噪聲等實驗。
  15. Simulation results show that both objective gains measured in psnr ( peak signal - to - noise ratio ) and visual improvements of reconstructed video can be achieved by utilizing introduced methods. chapter 5 gives the implementation of jvt - based nwarq technique

    實驗結果表明，各改進演算法能不同程度地提高和改善重建圖像的峰值信噪比（ psnr ）和主觀質量；第五章研究、實現並測試了基於jvt視頻編碼標準的無等待arq技術。
  16. The experimental results and psnr value verify the validity of the proposed algorithm

    實驗結果的主觀質量及峰值信噪比（ psnr ）值表明了演算法的有效性。
  17. This method not only quickens the coding speed, but also improves the peak value signal - to - noise ratio ( psnr )

    不僅加快了編碼速度，而且提高了圖像的峰值信噪比（ psnr ） 。
  18. The experiment results indicates that the algorithm can improve the psnr and reduce the encoding time

    實驗結果表明：本演算法能有效提高峰值信噪比和減少編碼時間，提高了壓縮效率。
  19. The simulation results show that with this algorithm we can achieve significant time reduction while maintaining the psnr and bit rate

    實驗表明，本演算法在編碼性能下降可忽略的情況下，使編碼時間有顯著減少。
  20. Experimental results show that the model can achieve higher psnr than 3d - escot. while at the same time keeping all the advantages of 3d - escot

    實驗結果表明：利用這種模型獲得的psnr高於3d - escot模型。同時也具有3d - escot模型的優良性質。
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