目標對比度 的英文怎麼說

中文拼音 [mùbiāoduìbǐdù]
目標對比度 英文
target contrast
  • 目 : Ⅰ名詞1 （眼睛） eye 2 （大項中再分的小項） item 3 [生物學] （把同一綱的生物按彼此相似的特徵分為幾...
  • 標 : Ⅰ名詞1 [書面語] （樹梢） treetop; the tip of a tree2 （枝節或表面） symptom; outside appearance; ...
  • 對 : Ⅰ動詞1 （回答） answer; reply 2 （對待; 對付） treat; cope with; counter 3 （朝; 向; 面對） be tr...
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 目標 : 1. （對象） target; objective 2. （目的） goal; aim; destination
  1. On the basis of image segmentation, this thesis mainly discusses the algorithm of automatic target tracking in sequence images on the sea. firstly, in terms of the characteristics of image on the sea, such as weak contrast between target and background, borderline between sky and sea, spoondrift and so on, a method called barycenter tracking which is based on intra - frame information from the sequence images is proposed, in which the threshold method is the key algorithm

    在圖象分割演算法研究的基礎上，本文重點從兩方面討論了海上序列圖象中運動目標的自動跟蹤演算法:首先，針對海上圖象的特點，即背景與目標間的弱對比度、存在海天線、魚鱗光和目標拖尾等，設計了以閾值分割為核心的基於幀內信息的形心跟蹤方法。
  2. Atmospheric attenuation of scene contrast is studied theoretically on the basis of radiometric principles, and the relationships between the measured maximal detection range for a target and visibility distance under two possible conditions are obtained

    根據輻射度學原理，從理論上研究景物對比度在大氣傳輸中的衰減，得到了在兩種可能的條件下所測得的目標最大探測距離與能見距離的關系。
  3. Secondly, other parameters such as temperature difference and emissivity of target and sky, molecular absorptive transmittance, instantaneous field of view ( ifov ), contrast threshold and radiant wavelength are discussed in detail

    然後，對目標天空背景溫差、發射率，氣溶膠衰減系數，瞬時視場、對比度探測閾值以及輻射波長等參數作了詳細討論。
  4. Study on naval pilot ' s visual effectiveness in identifying moving targets of different contrast

    海軍飛行員對不同對比度運動目標的視覺識別效能研究
  5. 3. the performance of multiple beamforming system and high - resolution methods are studied when the powers of sources are different. it is shown that high - resolution methods are not sensitive to the power difference of sources and so possess superior resolution ability over beamforming methods in this condition

    三、深入研究了多波束系統和高分辨定向方法在不等強度目標源情況下的估計性能，得出如下結論：高分辨定向方法對目標源強度差異不敏感，所以在對不等強度源的分辨性能方面具有多波束系統不可比擬的優越性。
  6. Secondly, this paper mainly put forward different grey level threshold value segmentations of plane target after brief analyse the smooth and sharp image of image strengthen technology, segmentation for the overall situation, adopt the maximum variance method, the maximum entropy combine with adaptive threshold selection method, the maximum variance ration between two classes and in two classes ; segmentation for the part situation, has adopted the adaptive threshold value method ; to background more complicated segmentation, have adopted the two - dimentional maximum entropy method

    其次，在簡要的分析了圖像平滑和銳化的圖像增強技術后，重點研究了飛機目標的灰度分割，提出不同的灰度閾值分割方法進行圖像分割，對于全局分割，採用了最大類間分割法、最大熵與一致性準則相結合法、最大類間類內方差比法;對于局部分割，採用了自適應閾值法;對于背景較復雜的分割，採用了二維最大熵法。
  7. Detecting algorithm based on background prediction, maximum background prediction, most similar background prediction, displacement pipeline filter, target movement characteristics algorithm based on sub - pixel analysis and the method of the contrast similarity among frames are introduced for the target detecting in single image and sequence images

    在單幀圖像和序列圖像目標檢測方面提出了基於背景預測的檢測方法，最大化背景預測方法、最相似背景預測方法、位移式管道濾波方法、基於亞象元分析的目標運動特徵演算法和目標對比度相似性的幀間目標檢測方法。
  8. Firstly, the characteristics of radiation propagation and attenuation in the atmosphere, and the power response of a contrast - limited optoelectic system are analyzed, the apparent contrast model of a target is developed, and the detection range equation dependent on the aerosol extinction coefficient and range parameter are derived

    首先，分析了紅外波段大氣輻射傳輸與衰減、對比度限制光電成像系統功率響應特性，建立了目標表現觀對比度模型，並推導出了由氣溶膠消光系數和距離參量確定的探測距離方程。
  9. This theses mostly studied a series of arithmetic of image preprocessing, image segmentation and image matching for image data, referring to advance image processing technique overseas at present. regarding the real - time image measurement system as the tool for debugging, it finds appropriate arithmetic to process real - time image and applies them to actual hardware equipment. the system has higher precision and more real - timely

    本論文參考當前國外先進的圖像處理技術，研究了圖像數據的預處理、圖像分割、圖像匹配等主要演算法，並以實時圖像跟蹤測量系統作為硬體調試平臺，比較出適合實時圖像處理的演算法並將其應用到實際的系統硬體設備中，使準確性更高，實時性更強，解決了實時圖像處理在4對比度下的目標探測問題。
  10. The relation of tthe ccd sensor imaging resolution and the mtf is gotten. when the mtf of space remote sensing camera is higher and the contrast of object is higher, it can be believed that the resolution of ccd sensor imaging is 1. 6 times of the pixel dimension, in the mean while the mtf decreases 32 %

    通過模擬得到了ccd探測器的目標影像的分辨力與ccd像元尺寸的關系，當航天光學遙感相機的mtf較高（模擬中鏡頭的mtf = 1 ）且目標為高對比度時，得到ccd探測器的目標影像分辨力是其像元尺寸a的1 . 6倍，其光學調制度傳遞函數mtf下降32的結果。
  11. This paper investigates the approach to estimate the maximum detection range of an infrared point - target against sky background based on the minimum resolved contrast ( mrc ) criteria

    摘要基於最小分辨對比度準則，研究了天空背景下紅外點目標的最大探測距離估計方法。
  12. The work including : ( 1 ) svm based auto detection and segmentation of left ventricle mri image the aim of the segmentation of the left ventricle mri image is to find out the inner and the outer contour of the left ventricle, while for that the structure of the heart is very complex, meantime the tag lines may also decay, the contrast of the object and the background will also descend, which still make the segmentation more difficult

    同時，對核空間方法在圖像處理領域的幾種應用進行了論述。本文工作包括： （ 1 ）設計基於svm的mri左心室圖像的自動檢測及分割過程心臟mri圖像分割的目的是為了找出mri圖像中左心室的內外輪廓，但是由於心臟的解剖結構非常復雜，再加上標記線會隨時間衰減，目標和背景的對比度會下降，這使得圖像的自動分割更加困難。
  13. Next, on the basis of the set of it, this paper respectively discusses properties of refined equilibrium solution sets, by defining the super refined equilibrium solution, refined equilibrium solution above ( ) - level, stable number, ( ) - similar super refined equilibrium solution, etc. consequently, player k can obtain the attainment degree of aggregated fuzzy goals at least dkp in the fuzzy game determined by p. finally, by comparing dkp, player k can determines his super optional coalition

    然後，在聯盟精練平衡解集的基礎上，通過定義最優精練平衡解、水平上的精練平衡解、穩定數、 ?近最優精練平衡解等概念，具體分析討論精練平衡解集的性質，得到局中人k在由p所確定的模糊對策中的聯合模糊目標實現度的至少值- - d _ k ~ p 。通過比較d _ k ~ p ，最終確定了局中人k的最優選擇聯盟。
  14. All of above make the miss distance of the missile difficult to estimate in shooting range. in order to solve these problems, a novel method for detecting and tracking small moving point target in image sequence is proposed in this paper, based on combination of the correlation of multi - frames and wave gate techniques. especially, the qualifications to confirm the target and the establishment of the wave gate based on size and characteristic moving parameters of the target are stressed in the paper

    針對目前靶場所面臨的測量目標小、距離遠、目標與背景對比度小，不具有形狀信息的實際問題，提出了一種基於多幀相關技術與波門選通技術相結合的快速目標識別與跟蹤方法，特別探討了多幀相關技術中目標確定的理論判據，並綜合考慮目標的尺寸因素和目標的運動特徵研究了一種新的波門設定方案。
  15. Due to dynamic complex background and defects of infrared image, which are low contrast between object and background, blurred edge of object and high amount of noise, objects detection and tracking is very difficult in this case

    由於動態復雜背景，加上紅外圖像普遍存在目標與背景對比度低、目標邊緣模糊和噪聲大等問題，給目標的檢測與跟蹤帶來很大的挑戰性，目前國內外相關文獻還很少。
  16. According to the strategic aim of constructing a well - off society put forward at the 16th national congress of cpc, the paper specifically explicates the main contents of china ' s educational objectives and policies, and proposes the system innovation strategies for deepening educational reform and promoting the healthy development of educational cause

    摘要本文根據十六大提出的全面建設小康社會的奮斗目標，具體探討了我國全面建設小康社會的教育目標和教育政策的主要內容，基於對北京市經濟和教育發展狀況與全國小康預期目標的比較，分析了我國教育改革和發展的重點和難點，提出了我國教育深化改革、健康發展的制度創新策略。
  17. Many popular related technology did n ' t meet vary requirements. therefore, an efficient and robust detection and tracking system is needed eagerly. the aim to this thesis is to design video - based vehicle detection and tracking system, which can limit the noise of system and pedestrian factor, and used in large area, multiple objects and complex environment in traffic surveillance

    與目前幾種有代表性的rgb空間的運動目標檢測的方法進行了比較，基於hsv空間的自適應模板是一種比較新穎的方法，由於hsv空間和rgb空間相比，對顏色要敏感的多，而且在高對比度的情況下，表現突出。
  18. In this paper, firstly, the main methods of irnaging underwater and underwatr optical imaging development history are being introduced. coilsboction, principle and working circumstance of swg - l are noted. the optical properties of sea water are described, the effect to underwater imaging is analyzed. there are two parameters in evalvating tmderwater driaging quality : underwater contrast and optical tranfe fimction. underwater light source shoud be pay more attention. estimate and measurement of underwater light value are given at the sea depth where the system working

    然後對水的光學特性及其對水下成像的影響進行了理論分析，介紹了水下圖象質量評價的兩個參數即水中對比度和光學傳遞函數；對預期拍攝深度的海中照度進行了理論估算與實際測量；討論了水下目標輔助照明時應注意的問題。
  19. During image recognition, it reduces the yawp and improves the quality of the image with the technology of the median filter, it uses the method of maximum between - class variance to segment the object, then gets better effect. the algorithm is simple, and the adapted capacity is great. it doesn ’ t influence by the change between the contrast and lighteness of the image. so it applies on the real time system

    在圖像識別過程中，本文運用了中值濾波技術降低了噪聲，提高了圖像的質量，並採用了最大類間閾值分割法分割目標，得到了較好的效果，該方法計算簡單，自適應性強，在一定條件下不受圖像對比度與亮度變化的影響，因而在一些實時圖像處理系統中得到了廣泛的應用。
  20. At present, the practical problem that the target place faces is that the target is too small, the distance is far, the contrast ratio between the target and background is small. in order to improving the recognition capability of the equipment to the low contrast ratio target, fast and effective pattern recognition becomes one of key technology which influences systematic function

    目前靶場所面臨的實際問題是測量目標小，距離遠，目標與背景對比度小，為了提高靶場光測設備對低對比度目標的識別能力，快速、有效的圖像識別處理成為影響系統性能的關鍵技術之一。
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