視覺后像 的英文怎麼說
中文拼音 [shìjiàohòuxiàng]
視覺后像
英文
visual afterimage-
Makes general analysis and research on human visual system the characteristicness of human visual system is the process being considered firstly for every image process technology, include watermark technology, in order to join the characteristicness of hvs and the watermark technology together, this paper analyses and researches the hvs theoretics particularly firstly. it build the aesthesia models and the jnd models after discussing eyes " biology configuration particularly and expatiating eyes " aesthesia process. these works provide the foundation for the later research of watermark channel capacity and the watetmark embedding intensity. 2
對人類視覺系統的特性進行了全面的分析和研究人類視覺系統的特性是任何圖像處理技術必須優先考慮的環節,數字水印技術也不例外,為了使人類視覺系統的特性和數字水印技術很好地結合,本文首先對人類視覺系統理論進行了全面細致的分析和研究,在詳細闡述了人眼的生理結構及人眼對顏色的感知過程的基礎上,建立了人眼的感知模型和人類視覺系統的jnd模型,這些工作為后來水印通道容量的研究、水印嵌入強度的確定等工作奠定了基礎。This arithmetic divides the wavelet coefficients of carrier image into 27 - classes by the background luminance, the texture and the edge mask character of visual system ; then after encrypting watermark image with magic cube transformation, the ycbcr model is employed, it embeds the watermark sequences in the carrier image with different intensity according to the coefficients " classes of carrier image in y channel
首先,將載體rgb圖像轉換到ycbcr顏色空間,然後提取亮度通道y ,將其進行小波變換,然後利用人眼視覺模型對載體圖象分解后的小波系數進行分類。其次,對有意義的水印圖像分別進行3次不同的魔方置亂,得到3個隨機水印序列。It is known that visual percepts tend to fade when retinal image motion is eliminated in the laboratory
實驗室研究已知,當清除視網膜影像運動后,視覺印象會消退。These properties make them ideal candidates for use in structure from motion algorithms. some known methods of line segment are integrated and an improved method is given. canny edge detector is used in this method to get edge, link the edge using freeman chain code, and then gradually delete useless chain code
首先綜合邊緣直線分割的研究成果,給出了改進后的邊緣直線分割方法,該方法以圖像邊緣的鏈碼表示為基礎,逐步刪除對完成計算機視覺任務沒有意義的鏈碼,並用最小二乘法擬合成圖像直線。In the basis of present technology, we provide our method. with our method, we first extract several low visual feature of the image, such as color, texture etc, and then we fuze the feature into a high dimensional vector ; sencond, we analyze the vector with pca method, which reduce the dimension of the vector ; and last we use the vector to classify the image
該方法的基本思路描述如下:首先,提取圖像的多種視覺特徵(如:顏色、紋理等) ,經融合得到一個高維矢量描述;然後,對該高維矢量描述作pca ( principalcomponentsanalysis )分析,以獲取其中的主元,降低維數;最後,以降維后的矢量描述為基礎,用於圖片的分類系統。Distribution of wavelet coefficients in those sub - images is just appropriate for the properties of human vision systerm. it is that eyes are most sensitive to sub - image in the low resolution ratio and less sensitive to sub - images in the high resolution ratio. so a little loss of information in high sub - images may not bring out marked change to vision effect of construct image
經分解后的各個子圖中的小波系數的分佈恰好適合人類視覺系統的特點,即人眼對于低解析度子圖更敏感,對于高解析度子圖較不敏感,因此高解析度子圖中的信息稍有損耗並不會顯著影響重構后圖像的視覺效果,這樣實現圖像的高壓縮比就成為可能。This dissertation discusses image segmentation technology based on the image visual features, the image neighborhood moment analysis and the related image detection and segmentation system. and the key functional modules ’ analyzed are as follows : the image neighborhood moment ’ s analysis, the adaptive clustering after the visual moment transformation, the boundary detection of the object image and the extraction of the object image area of similar visual brightness
本文討論了圖像視覺特徵鄰域矩分析和基於視覺特徵矩的檢測分割技術,並分析系統中的關鍵模塊:圖像鄰域分析,視覺特徵矩變換后的自適應聚類,目標圖像的邊緣檢測,視同灰度區域的視同灰度提取。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。Under the colonizing background after contemporary culture, the cultural conflict in the contemporary vision image is the topic that the contemporary international artist probes into together, the artist changes and attempts to adjust one ' s own thinking, the values and artistic way with the conflict in such fierce society
在當代文化后殖民性背景下,當代視覺影像中的文化沖突是當代國際藝術家共同探討的話題,藝術家在這種激烈的社會轉換和沖突中試圖調整自己思維、價值觀和藝術方式。The correction of camera distortion is a main part of camera calibration. an algorithm of camera distortion correction based on bp neural networks is proposed in this dissertation. in the special applications that the 3d points are coplanar, a 2d plane calibration algorithm based on rb
本文成功的開發了足球機器人視覺識別系統,首先應用基於lvq神經網路的顏色識別演算法進行指定顏色屬性的物體的識別,接著提出小球和機器人小車的識別演算法,然後大連理工大學博士學位論文應用i ) ; l練收斂后的神經網路進行攝像機隱式標定。16 zhu s c, liu x w, wu y n. exploring texture ensembles by efficient markov chain monte carlo - toward a " trichromacy " theory of texture. ieee trans. pattern analysis and machine intelligence, 2000, 22 : 554 - 569
對后一個問題,我們設計了一個基於k均值聚類的演算法,先固定初始類別數,然後對聚類結果進行合併分析,從而對簡單文檔圖像中採用較少的視覺類別,有效地實現了自適應處理。With white background, the acquired images were studied. the distance was max between two - peak value in b gray level histogram. a set of computer vision hardware system which is use for bruise evaluation and classification of tomato was set up
通過大量的實驗研究,選擇環形燈作為光源,選擇白色作為背景組成光照箱,可以得到有利於后續處理的圖像;並發現在b分量上,兩峰間的距離最大,所以用b分量確定闡值t ;建立一套適合番茄等農產品進行表面缺陷自動檢測與分類的計算機視覺硬體系統。I have me my summer vacation in a town last year. since whose are there. some of my relations, there have a good view for the mountain and river, i think it ' s a great place be to rest, one day when i ride my bike on the small path, this river catch my eye for very clearly but like very deeply, becauese i can ' t see the end of the water, then. some chap shouting make me look at, they catch a a short boy and thow he in the water with a heavily, waiting for a moment yet the boy not up the water, i ' m very worry and jumping in the river, i want float out but some watergrass be enteine my leg and the body is deeper at every movey, i don ' t know past how long time, i feeling one small hand help me break up the watergrass and push me to the surface of the rive, after that i just kown they are hvae a playing who can sit in the swim and make a long time in deep water, but i want cry for the joking, becauese i couldn ' t swim but i have a forget
去年我在一個小鎮上度暑假,因為那裡有我的親戚,我認為那裡有好山好水是一個靜休的好地方.一天當我在小路上騎著自行車時,一條非常清澈但好像也挺深的小河吸引了我的視線,因為我好像看不到河的底端,這時,一些小孩的叫喊聲因起了我的注意,他們抓住一個矮小的小男孩然後重重的扔進了水裡,待了一小會這個男孩沒有露出水面,我非常擔心就跳進了水裡,我想浮出來,但一些水草纏住我了的腿,我每動一動身體就會越往下沉,我不知道過了多常時間,我感覺有一雙小手幫我弄掉腿上的水草並往水面推著我的身體,后來我才知道他們是在玩看誰在水底呆的時間長的游戲比賽,但我對于著樣的笑話想哭因為我忘記自己了不會游泳In a complete stereo vision system, there are six modules, which are images capturing, camera adjustment, feature extraction, stereo matching, 3 - d information estimation, and post - processing
一個完整的立體視覺系統可分為圖像獲取、攝像機校正、圖像特徵提取、立體匹配、三維信息恢復和后處理等模塊。It successfully overcomes the drawbacks the general intensity difference method has, ensuring the structure continuity within the textures and retaining perceptual coherence in synthesized texture and inpainted image
息的連貫性,從而確保合成后的紋理及修復后的圖像在視覺上的連貫性。After analyzing jpeg image compression working principle, a remote visual surveillance system is constructed by combining dm642 developing platform with pc through the ethernet. at last, video coding, video decoding and network transmission are realized on the system in this thesis
本文深入細致地分析研究了jpeg圖像壓縮演算法后,將dm642開發平臺通過ethernet和pc機相連,構成了遠程視覺監控網路系統,並在此系統上實現了實時視頻的壓縮編碼、解碼以及網路傳輸功能。3. utilizing the hvs and the characteristic which integer wavelet analyzes the high - frequency coefficient to express the image detail, proposed the definition of energy coefficient. according to the sub - blocks from different groups, the computed energy coefficients were different
3 .利用人眼視覺模型和整數小波分解后高頻系數表示圖像細節的特性,提出了能量系數的定義,根據不同組的子塊,計算出的能量系數是不相同的。Gary sinise ' s lower legs were wrapped in a special blue fabric that allowed them to be optically removed from the film by computer later
加里?西尼斯(丹中尉的扮演者)的小腿是被一種藍色的特殊材料包起來,這種材料后來經電腦處理后,視覺上感覺就像除去了。The former is the combination of human vision characters and image ' s local statistics, and judge the quality of image subjectively. but the latter judge the quality of image both subjectively and objectively. moreover, the latter compare result edge, this work is an innovation
不同之處在於:前者結合人類視覺特性,對于處理后的圖像主要從主觀視覺角度評價;而後者則採用在與傳統方法處理結果比較的基礎上,進一步比較它們的邊緣圖像,在達到客觀評價準則意義下最優的同時盡可能多的保持圖像邊緣位置和細節信息。分享友人