image degradation 中文意思是什麼

image degradation 解釋
圖像遞降
  • image : n 1 像，肖像，畫像；偶像。2 影像，圖像。3 相像的人（或物）；翻版。4 形像，典型。5 形像化的描繪。6...
  • degradation : n. 1. 降級；免職。2. 退化；墮落。3. 【地質學；地理學】（地表的）剝蝕。4. 【化學】降解，遞降分解（作用）。5. 【物理學】（能的）退降。
  1. Lastly at the head of the board was the young poet who found a refuge from his labours of pedagogy and metaphysical inquisition in the convivial atmosphere of socratic discussion, while to right and left of him were accommodated the flippant prognosticator, fresh from the hippodrome, and that vigilant wanderer, soiled by the dust of travel and combat and stained by the mire of an indelible dishonour, but from whose steadfast and constant heart no lure or peril or threat or degradation could ever efface the image of that voluptuous loveliness which the inspired pencil of lafayette has limned for ages yet to come

    右邊是剛從賽馬場來的油嘴滑舌的預言家，左邊是那位謹慎的流浪者。他被旅途與廝打揚起的塵埃弄臟，又沾上了難以洗刷的不名譽的污點。然而他那堅定不移忠貞不渝的心中卻懷著妖嬈的倩女面影，那是拉斐特270在靈感觸發下用那支畫筆描繪下來的傳世之作。
  2. The image of atmospheric degradation has the most important characteristic : the degree of influence is correlative with the distance between scene and camera

    摘要大氣退化圖像最主要的特徵是退化造成的影響和景物與相機的之間的距離相關。
  3. Optics and optical instruments - quality evaluation of optical systems - assessing the image quality degradation due to chromatic aberrations

    光學和光學儀器.光學系統質量評估.評定彩色相差引起的圖像質量下降
  4. First, it delves into the key technique of eis ? image registration, and presents an effective registration algorithm which is from coarse toprecise and form local to global. second, it applies recursive kalman filtering technique inmotion filtering of registration parameters and makes motion compensation for practical image. finally, it takes advantage of mosaicking to reconstruct undefined regions to avoid theubiquitous information missing and image degradation. this algorithm has high precision as wellas high speed

    首先，對電子穩像中關鍵環節? ?圖像配準技術進行了深入研究，給出一種由粗到精、由局部到全局的高效配準演算法;接著，採用了遞歸kalman濾波技術對配準參數進行運動濾波並對實際圖像進行運動補償;最後，利用了圖像拼接技術進行「無定義區」重建，避免了普遍存在的信息丟失和圖像降質問題。
  5. It can provide higher speed and alleviate the spectral degradation which usually goes with the existing algorithms, as well as constrain speckle noise of radar images. in respect of image fusion algorithm, the fusion rules and operators are essential. a new set of fusion rules and corresponding operators are given in this thesis

    實驗證明，在融合源圖象特性差異較大的情況下，該演算法與已有的基於小波分析的遙感圖象融合演算法相比較性能更優，具有運算速度快、減少光譜退化的特點，並能在一定程度上抑制相干斑噪聲。
  6. Research on the several generations of coding - decoding image without quality degradation

    圖像多次無降質編解碼的研究
  7. An advantage of wavelet - based video compression is that it offers more graceful image degradation at high compression ratios, and it also eliminates the block artifacts seen in dct compression

    由小波變換編碼實現的視頻壓縮在具備高壓縮比的基礎上，仍擁有較高的主觀視覺效果，避免了由分塊dct變換引起的方塊效應。
  8. This paper is focused on images watermarking algorithms. watermark casting operates in frequency domain, embeds pseudo - random sequence of real number in selected coefficients without image degradation. a blind watermark retrieval technique that can detect the embedded watermark without resorting the original image is proposed, so that the proposed techniques represents a major improvements to those relying on the comparison between the watermarked and original image, which is not practical for a huge image database

    本文主要研究針對圖像水印系統的演算法研究，採用偽隨機序列作為水印信號，利用變換域系數作為水印的載體，在不降低圖像質量的前提下達到嵌入水印的目的，在恢復水印的過程中無需原始圖像的參與，相比較那些需要利用原始圖像恢復數據的系統，文中所提出的方案更具有實用性。
  9. The key for this issue is to model the degradation processing in mathematical form, then solve this inverse problem to get a restoring model and an estimation of original image

    解決該問題的關鍵是對圖像的退化過程建立相應的數學模型，然後通過求解該逆問題獲得圖像的復原模型並對原始圖像進行合理估計。
  10. After analyzing the relationship among embedding parameters adjustment, attack elusion and performance evaluation, we construct an " evaluation - automatic adjustment " message embedding framework. some key issues of performance evaluation are investigated in this thesis : 1 ) evaluation of the image degradation

    本文分析了隱藏演算法參數調節、攻擊規避和性能評估之間的關系，提出了以「性能評估?自動調節」為核心的密信信號隱藏技術框架。
  11. The analysis on the method shows that an advantage of wavelet - based video compression coding is that it offers more graceful image degradation at high compression ratios, and it also eliminates the block artifacts seen in dc compression. and it can solve the contradiction between limited bandwidth and infinitude requirements of increasing customers in present communication system

    該系統充分利用人眼的視覺特性來減少幀內和幀間的冗餘信息，能夠消除傳統圖像編碼的方塊效應、蚊子效應等現象實現高壓縮比，高質量的圖像編碼，可較好地解決現行通信系統中有限帶寬與日趨增加的無限用戶需求之間的矛盾。
  12. Moreover, experimental results have proved that the method is robust enough to some image degradation process such as cropping, jpeg compression and sharpening etc. embedded zerotree wavelet coding ( ezw ) algorithm, it is found that this algorithm does not make full use of the properties of human visual system ( hvs ) to eliminate visual redundancy

    實驗證明，該方法對剪裁、 jpeg壓縮和銳化等圖象退化處理均具有一定的抵抗力，是一種行之有效的水印嵌入方法。本文在對零樹編碼方法研究的基礎上，針對零樹編碼方法沒有充分利用hvs特性來有效消除視覺冗餘的缺點，提出了一種基於小波系數的零樹編碼方案。
  13. Nowadays, digital image processing has been an important part of information processing, in numerous applications, especially in astronomy 、 medicine 、 military fields, the authenticity of image data is highly required. but in many image processing systems, image degradation is inevitably avoided owing to image transmission and conversion, such as the image formation 、 scanning and so on. the typical result behaves blurry 、 distortion 、 having noise etc. in order to denoise and improve the image quality, image restoration has an important meaning

    目前，數字圖像處理已經成為信息處理科學的一個重要部分，在眾多的圖像處理應用中，尤其是在天文學、醫學、軍事應用領域都對圖像數據的真實性有較高的要求，即使日常的圖像通信也要求獲得盡可能高的質量，但在各類圖像處理系統中，由於圖像的傳送和轉換，如成像、復制、掃描、傳輸、顯示等，不可避免的要造成圖像的降質，典型的表現為圖像模糊、失真、有噪聲等，為了去除噪聲、改善圖像質量，圖像恢復具有非常重要的意義;除此之外，很多情況下常常要求及時甚至實時地得到真實的圖像數據。
  14. This arithmetic can detect the digital watermark without the original carrier image and the original watermark. experimental results prove that this arithmetic can hide the meaningful watermark efficiently in the carrier image, and it is robust enough to resist some image degradation processing such as clipping, jpeg compression, adding noise, image enhancing, filtering and so on

    實驗浙江工業大學碩士學位論文結果表明，該演算法可有效的將有意義的二值水印圖像嵌入到彩色載體圖像中，在抽取水印圖像時不需要原始載體圖像和原始水印圖像，並對裁剪、 jpeg壓縮、加噪、圖像增強、濾波等處理都有很好的抵抗力，具有較好的魯棒性。
  15. First, we analyze the factors of image degradation, then we put our focus on the two situations : noise and block losses in transmission domain. meanwhile, we choose clusters of smp ( symmetric multi processor ) as our hardware architecture after contrast with other parallel computers

    在分析圖像退化原因的基礎上，把由噪聲引起的退化和基於塊編碼傳輸過程中的圖像退化問題作為主攻方向，同時分析了當今比較成熟的并行計算機體系結構smp機群，並討論了smpcluster上的演算法優化問題。
  16. On the condition of the missing pixel information of the observed image during the process of imaging, based on the analysis of the degradation principle and establishment of the math model as well as discrete expression, this paper incorporates optimization method into the process of blur image restoration and proposes the deconvolution methods of non - zero background motion blurred image based on conjugate gradient optimization iteration

    摘要針對成像過程中觀測圖像存在像素灰度信息丟失的情況，在分析此類圖像的退化原理及建立其數學模型和離散化表達式的基礎上，將最優化方法中的共扼梯度法引入圖像復原過程中，提出基於共軛梯度優化迭代的非零背景運動模糊圖像去卷積方法。
  17. Image restoration is that it wipes off or lightens fall of image quality in the course of getting digital image, aims to deal with image of degradation and makes it to ideal image that has no degradation

    圖像復原，是指去除或減輕在獲取數字圖像過程中發生的圖像質量下降（退化） ；目標是對退化的圖像進行處理，使它趨向于復原成沒有退化的理想圖像。
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