peak signal-to-noise ratio 中文意思是什麼

peak signal-to-noise ratio 解釋
峰值信噪比
  • peak : vi 1 瘦弱；消瘦，憔悴。2 減少，縮小 （out）。n 1 山峰，山頂；孤山。2 （胡須等的）尖兒；尖端。3 最...
  • signal : n 1 信號，暗號；信號器。2 動機，導火線 （for）。3 預兆，徵象。adj 1 暗號的，作信號用的。2 顯著的...
  • to : adv 到某種狀態；〈特指〉到停止狀態；關閉。 ★也常和動詞結合，略去其後賓語，而構成成語： The door i...
  • noise : n 1 聲音，聲響。2 叫喊；嘈雜聲，噪音；喧鬧聲；吵鬧，騷動，騷擾。3 〈古語〉謠言，風聲。4 〈美國〉...
  • ratio : n. （pl. ratios）1. 比，比率，比值；比例；系數。2. 【經濟學】復本位制中金銀的法定比價。vt. 1. 用比例方式表達；求出…的比值；使…成比例。2. 將（相片）按比例放大或縮小。
  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. 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。
  3. Peak signal to noise ratio, psnr

    通過比較降噪前後的峰值信噪比
  4. 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。
  5. 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。
  6. 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。
  7. 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。
  8. 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。
  9. In order to assess the performance of the proposed methods, we propose three types of image measures to quantify the performance compared to some other methods. the first type evaluates the fidelity of the reconstructed image by computing the peak signal - to - noise ratio and euclidean distance in cielab color space between the original and reconstructed image in smooth and edge regions respectively. the second type accounts for a major artifact ? zipper effect

    為了評估演算法質量，本文採用了三類評估手段:一是分別計算原始圖像與重構圖像在平滑區域與邊界區域的峰值信噪比與cielab顏色空間的歐氏距離來分析重構圖像的保真度;二是利用數學手段對重構圖像的一類主要失真現象? ? zipper效應進行定量評估;三是對硬體實現的成本與實際可行性進行了分析。
  10. 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 ） 。
  11. 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

    中國科學院長春光機與物理研究所博士學位論文據此提出了不同於傳統的僅用均方誤差（ mse ）和峰值信噪比（ psnr ）來評價圖像灰度輻射畸變的新思路，補充了對壓縮圖像幾何畸變的定量描述。這對于基於圖像的測量跟蹤系統中數字圖像傳輸方式的選擇，以及評價壓縮解壓演算法對測量精度的影響有重要意義。
  12. The increase in peak response and spontaneous activity resulted in a significant decrease in signal - to - noise ratio for old cats

    由於老年貓v1區細胞自發放增加的幅度大於誘發反應的增加，導致了其信噪比的顯著降低。
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