離散圖像 的英文怎麼說
中文拼音 [lísǎntúxiàng]
離散圖像
英文
discrete picture- 離 : Ⅰ動詞1 (離開) leave; part from; be away from; separate 2 (背離) go against 3 (缺少) dispens...
- 散 : 散動詞1. (由聚集而分離) break up; disperse 2. (散布) distribute; disseminate; give out 3. (排除) dispel; let out
- 圖 : Ⅰ名詞1 (繪畫表現出的形象; 圖畫) picture; chart; drawing; map 2 (計劃) plan; scheme; attempt 3...
- 像 : Ⅰ名詞1 (比照人物製成的形象) likeness (of sb ); portrait; picture 2 [物理學] image Ⅱ動詞1 (在...
- 離散 : dispersed; scattered about; separated from one another; spread; debunching; straggling; fringing;...
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In chapter two, using the instruction of simd and memory in pentium to optimize idct, motion compensation and recompose frame and improving executive speed of idct to utilize vlcd and iq
在第二章中,使用intel處理器中的simd指令和內存優化技術對idct (反離散餘弦變化) 、運動補償和圖像重組等解碼過程進行優化實現。Numerical simulation mainly is performed by finite element method and discrete element method in physics ; based on computer graphic techniques and image processing techniques, visualization and graphic simulation are a shortcut method to steer the calculation process and to comprehend the computation results
數值模擬主要採用有限元、離散元等數學物理模型,而可視化技術及圖形模擬基於圖形學和圖像處理技術,是駕馭計算過程及理解大體積數據的唯一有效途徑。A method of face detection based on support vector machine ( svm ) is put forward. the features are extracted by applying the discrete cosine transform ( dct ) to the preprocessing image. the dct coefficients are inputted to the svm and the svm are trained using the cropped face samples and the " bootstrapping non - face " samples
對預處理后的圖像進行離散餘弦變換提取特徵,取dct系數作為支持向量機的輸入,將經過裁剪的「人臉」樣本與「自舉」方法得到的「非人臉」樣本一起用來訓練支持向量機。The emphases of the researches are focused on the dct transform in the video signals processing, the theories of huffman encode and motion compensation algorithms
主要研究了離散餘弦變換對視頻圖像的處理,霍夫曼編碼原則和運動補償的原理。Prior to being able to use an image in a landuse classification exercise one must first make fundamental corrections to the image data. the level of corrections differs for each satellite sensor but will generally involve sensor calibration for radiometric correction ( sun angles, earth - sun distances and atmospheric scattering effects ), geometric corrections and geo - referencing to a known coordinate system
在將圖像用於土地利用分類處理之前,必須首先對圖像資料進行基本修正。對于不同的衛星感測器需採用不同的修正參數和方法,但一般涉及感測器校正,包括輻射校正(太陽角度角、地球與太陽的距離和大氣層的散射效應) 、幾何校正以及設制地理座標。In the method dfd ( depth from defocus ), feasibilities of restoring images from defocus images and estimating the focused position are discussed and confirmed
離焦深度法估計離焦距離或者進行圖像恢復的依據是成像系統的點擴散函數及它所產生的模糊圓。The solution proposed here identifies important parameters with which to characterize the point spread function ( psf ) of the blur, given only the blurred image itself
這里提出的方法是僅根據模糊圖像本身,求出確定系統點擴散函數( psf )的重要參數-模糊距離。As we know, correct identification of the psf parameters permits fast high resolution restoration of the blurred image. using the method, we can quickly restore the blurred image on line, and when the noise of the image is bigger, it can perform very well to identifity the blurred distance
當確切知道模糊系統的點擴散函數時,就可以快速有效地恢復模糊圖像,使用本文方法,可以滿足適時性圖像處理的需要,並且不需要事先知道相機的系統參數,在圖像噪聲較大的情況下,也可以很好的確定出來模糊距離。Second, a new wavelet - based denoising method without free parameters is proposed which is based on the sparseness and decorrelation properties of the discrete wavelet transform
首先提出了一種基於相關鄰域模型的sar圖像rcs重構方法。其次,利用離散小波變換的稀疏性和減相關性進行sar圖像濾波。To date only discrete points are obtained, but not the surface of the scene. hence a least - square method is used to fit terrain surface
對整幅圖來說,完成點的重建后得到的僅僅是圖像上的一些離散點。Thus the areas of the overlapping regions are compensated efficiently and the accuracy of measurement is highly improved. the volume of the bubbles can be estimated on the bubbles " area information, and a genetic algorithm ( ga ) based method is used to match and track bubbles in the image sequences, which solve tracking problem under complex conditions efficiently, such as some bubbles may have kinetic occlusion and crossover, some newly generated bubbles may entered into flow field and run away. a smooth kinetic locus is obtained by fitting the discrete centroids with a cubic spline function and at the same time the visual measurement is realized
根據氣泡在圖像平面中的面積估計氣泡的體積,並對流場中的所有氣泡採用遺傳演算法進行最佳的匹配跟蹤,有效地解決了氣泡群在流場中出現如遮擋、交又、新它『出現、逃逸等復雜情況下的準確跟蹤,並採用三次樣條插值方法對離散的質心點軌跡進行擬合,得到氣泡在流場中平滑的運動軌跡,從而實現了摻氣水流特性的可視化測童。As the military and industry is developing dramatically, to enhance the low - contrast digital image has become one of the important areas in image processing. there are two traditional methods to enhance the low - contrast digital image : the methods based on frequency and the method based on time. the histogram enhancement, the most popular way to enhance, is representing the latter one ; while the methods based on frequency often uses wavelet transform, ft ( flourier transform ), dct ( discrete cosine transform ) to enhance
隨著軍事和工業上的發展需要,低對比度數字圖像的增強越來越成為數字圖像處理中的一個重要領域,傳統的增強方法分為頻域法和空域法兩大類,其中空域法的代表為直方圖增強法,這也是最為流行的增強方法,頻域法中用的較多的是基於小波變換,傅立葉變換和離散餘弦變換的增強方法,本文介紹的是基於小波神經網路的頻域增強法。Multi - focus image fusion based on wavelet transform and local dispersion
基於小波變換與局部離散度的多聚焦圖像融合演算法The high speed, real time image capturing system based on distributed is designed in order to resolve the issue of high - speed image capturing in real - time and remote distance transmitting
為了解決高速圖像的實時採集、遠距離傳輸等問題,我們自主設計並開發了分散式高速圖像實時採集系統。Bringing forward an intelligent decision method of image segmentation based on roughset theory to make the system automatically select segmentation algorithm in simple scenes. firstly, it selects some representative segmentation algorithms to make up of an algorithm library, which is used to process kinds of sample images ; secondly, it makes the decision informationtable utilizing diversified numerical features extracted from the sample images and the optimalsegmentation algorithm of each sample image according to segmentation quality evaluationcriterion ; finally, it applies rough set theory on discretization and attribution reduction of
為了使系統在簡單場景下能夠通過自動選取分割演算法來提取目標,提出了一種基於粗糙集理論的圖像分割智能決策方法。首先選取若干具代表性的分割演算法構成演算法庫,並用它們對各種樣本圖像進行分割;然後利用從樣本圖像中提取出來的各種數值特徵,並根據圖像分割質量評價標準評判出各樣本圖像的最優分割演算法,用其構成決策信息表;最後應用粗糙集理論來對決策信息表進行離散化處理和屬性約簡,以生成圖像分割演算法選取的決策規則。This paper provides a new method which using binocular 3d vision technology extract the depth information of the electro - eroded contracts of electrical appararus, rebuild the 3d image the paper provide the arithmetic of edge detection and matching applying to the image of the contact surface of electrical apparatus, rebuild 3d image for disperse data and achieve depth information
本文提出利用雙目立體視覺技術對電蝕后的電器觸頭進行深度信息提取,重建立體圖像。本文提出了適用於電器觸頭圖象的邊緣檢測,立體匹配演算法,並對得到的離散數據進行三維重建,得到了深度信息圖。On the following, on the basis of formulas given above, three kinds of effects due to ionosphere are presented : image shift due to group delay which was caused by the difference between the group velocity and the velocity of light in the ionosphere ; image distortion due to ionospheric dispersion which can create second phase error of lfm signals ; the last, the phase perturbation caused by the irregularities of the ionosphere can reduce the coherent length and affect azimuthal resolution
文中主要研究了電離層的三種影響:信號經過電離層傳播的群延遲引起的成像偏移;電離層的色散效應給線性調頻信號帶來二次相位誤差,導致圖像退化、失真;以及電離層的閃爍、湍流等不規則性引起的信號相位起伏。在此基礎上,比較分析了不同波段、帶寬條件下電離層的影響。Watershed image segmentation based on wavelet transform
基於正交離散小波的超分辨力圖像復原演算法Based on the point of image - based rendering, and the technology of virtuality and reality combining, it yield the conception of virtual globe and its related thought, and takes the dispersed pixel element mutation as the nucleus, the principle of utilization geometry and graphics, 3d walk around is realized and true sense controls waits has carried on a series of research, has put forward the corresponding mathematical model, and has been in progress the improvement, and has got the better result to the tradition method
本文從基於圖像生成的角度出發,由虛實結合的構思引出了視球及其相關概念,並以離散的像素變換為核心,利用幾何學和圖形學的原理,在三維漫遊的實現及真實感控制等方面進行了一系列的研究,提出了相應的數學模型,對傳統方法進行了改進,得到了較好的結果。After partial discrete images was projected, image mosaic must be taken in order to gain spacial set of view point, which the picture has the same view point but different view angle
在局部離散圖像投影后,為了得到相同視點但不同視角的圖像視點空間集,應進行圖像拼接。分享友人