部分重合圖像 的英文怎麼說
中文拼音 [bùfēnzhònggětúxiàng]
部分重合圖像
英文
partial coincident picture- 部 : Ⅰ名詞1 (部分; 部位) part; section; division; region 2 (部門; 機關或組織單位的名稱) unit; mini...
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 重 : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
- 合 : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
- 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...
- 部分 : (整體中的局部或個體) part; section; portion
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It is very important for minutia extraction in afit ( automatic fingerprint identification technology ) based on minutia matching. the fingerprint image always has much noise and can not be adapted to extract minutia directly, so pre - processing of fingerprint image to get a point - line image is an important part of afit domain
細節特徵點的準確提取在基於細節特徵點匹配的自動指紋識別技術中十分重要,然而由於各種噪聲的影響,使得所採集的指紋圖像質量比較差,並不適合直接用來提取細節特徵點,所以對指紋圖像進行預處理以獲得清晰的點線圖是自動指紋識別研究領域的一個重要組成部分。With the rapid development of information technology, all kinds of portable electronic products and personal digital assistants are coming forth, the information source of these products partly roots in newspapers and journals, if the literal data could be acquired in optical scan mode instead of traditional keyboard input mode, human hands will be further liberated. on the other hand, the digital signal processor ( dsp ) specially designed for high - speed digital signal processing is playing an important role in the digital field, and the dsp with high processing speed and excellent operation performance is particularly adapted to image processing and character recognition. in consequence of this status, making use of new technology, this thesis researches into miniature intelligent reading system based on dsp and then presents a system solution of it
隨著信息化技術的飛速發展,各種便攜式電子產品和個人助理不斷涌現,這類產品的信息來源有很大一部分都是報紙、書刊等文字資料,如果以文字的光掃描輸入取代傳統鍵盤輸入將會進一步解放人的雙手;同時專門為高速數字信息處理而設計的數字信號處理器( dsp )也成為數字化領域的重要角色, dsp的高速度和良好的運算性能特別適合於圖像處理和文字識別。The article illuminates mainly two segments color - separation model based on three dimensions, gives a model conception on a knowledge base of unification technology and analyse and design digital prepress system from the whole on the problem of systemic requirement analysis. second, the article brings forward new data compress method based on memory stream and sets up new data structure to realize undo and redo methods based on analyzing all kinds of datas referred to on systemic based construction. because printing and dyeing cad system deals with many arithmetics on graphics ans image and production technics, the article illuminates vector conception, expatiates gray graphic vectorization and brings forward to graphic component ' s conception to enhangce the systemic stability and manipulating speed and improve graphic transmission
在印染cad系統的需求分析問題中,結合目前印染行業的發展和實際cad系統的整體構架,著重闡述了基於三維空間的二段法分色模型,提出了一體化工藝知識庫這個模型的概念,對數字印前系統做了整體的分析、設計在系統的底層架構問題上,著重分析了cad系統涉及到的各類數據,提出一種新型的基於內存流的數據壓縮方法,同時設計了自己的數據結構,用以實現系統的undo 、 redo操作,由於整個系統涉及眾多的圖形圖像演算法和實際工藝,為了提高系統的穩定性和操作速度,以及增強圖像的網路傳輸功能,在部分演算法中採用了矢量的概念,著重講解了灰度圖像矢量化,並且提出了圖像組件這一嶄新的概念。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。The coordinate systems and time systems are described in detail at first, then the paper presents the whole algorithm containing line of sight generation and projection attitude data combination scan mirror calibration, find corresponding grid cell, resample. at the same time, scan gaps and detector delays are analyzed in detail
論文首先對校正過程中用到的時間系統和坐標系統作了介紹,然後給出了完整的校正演算法,包括視線產生和投影、姿態合成、掃描鏡校正、尋找校正圖像空間像素到未校正圖像空間的對應像素位置、重采樣這幾個部分,並在相鄰掃描行間隙的插值上採用了簡潔的方法。Visual analysis of human motion has been receiving increasing attention from researchers in the fields of image processing and computer vision during the past few years. it has a lot of applications in virtual reality, smart surveillance system, advanced user interface, motion analysis and video compressing, etc. this paper focuses on the technology of human motion tracking based on video, first, we make a summarization of the domestic and overseas status of the research in this field. on the basis of this, we analyse the technical difficulties of human motion tracking. as most of the existing model - based methods of human motion tracking perform not so good in some situation as they need mannual intervention, and also the precision of tracking is not so satisfying during the research of tracking of walking people because of the self - occlusion of legs, this paper proposes an algorithm of automatic detection and tracking of legs of the walking people based on monocular image sequences, in which we analyse the features of walking people, track the five joints of lower limbs, get various parameters, and then re - construct the walking process. the main research achievement is as follows : 1 ) we propose an algorithm of markerless automatic extraction of leg skeleton. first we divide the video into continuous image sequences, after background subtraction, the satisfying human region could be extracted, then we get a single - connected region by converting the rgb image to binary image and median filtering. afterwards, the contour of lower limbs in the frame with a widest boundingbox is detected, using sobel operator, to find the ankle joint of leg behind according to the features and rules of walking, then, the joint of knee of leg behind, hip, ankle of leg in front, knee of leg in front could be got in turn. so, model of leg skeleton is constructed
首先將視頻分解成許多連續的靜態圖像幀,經過背景去除,把感興趣的人體區域提取出來,通過二值化,中值濾波等預處理方法得到只有人體的一個單連通區域,然後用sobel運算元檢測出boundingbox最寬幀中人體下半身的輪廓,根據運動規律及特徵找到後腿踝關節點,結合從boundingbox最窄幀中所獲取的腿長依次得到後腿膝關節,跨部關節,前腿踝關節,前腿膝關節四點,從而構建出腿部骨架模型。 2 )實現了人體步行腿部骨架的跟蹤演算法。在完成對腿部骨架模型的自動初始化之後,本文對跨關節、膝關節及踝關節分別採用運動建模、圓周相交定點演算法、運動預測及預測點周圍搜索rgb相似矩形塊三種方法確定每一幀中其實際坐標,從而重構出腿部骨架的運動過程。We investigate the whole process and technique details of micropiv, such as the micro scale flow mode making technique, and optimum velocity according to the existing test condition, and selecting of trace particle, the software interface of the image acquisition, the software interface, analysis of the specification parameters of the micropiv technique, and the selection of the key experiment parameters
本文研究了micropiv試驗技術的全部過程和技術細節,如現有條件下微型流場的製作工藝、適合測量條件的流場速度、示蹤粒子的選擇、圖像採集的軟體介面等,分析了micropiv技術的性能參數和重要實驗參數的選取。Engineering drawing has always been labeled as a practical subject. a combination of geometrical, building. mechanical and electrical drawing, it relates between theory and the picture of reality. engineering drawing will provide an accurate and complete ptcture for every object tn terms of shapes and sizes. usually, it is taught using the face - to - face teaching mode even in an odl environment. due to its nature, some students may find difficulty in imagining and interpreting the drawings. however, the availability of sophisticated technology provides the opportunity for the learning of engineering drawing to be enhanced via online. a web - based system for teaching and learning engineering drawing was developed based on a constructivism model. the web - based system is tailored for several topics of engineering drawing such as orthographic projection, sectional view, isometric and oblique drawing at the secondary level. the learning strategy consists of multiple phases beginning with introduction, concept learning, engineering drawing method, application and exercises. during introduction, students will be exposed to an overview of the topic followed by learning of specific concepts. the system provides a learning environment that allows engineering students to view objects from different angles, such as third angle projection and first angle projection as well as views of plans, side and front elevations. after learning about the concepts, students wilt be guided through the various steps in drawing methods for each topic via animations and simulations. learners are able to view any section repeatedly. examples of real application of engineering drawings were also given using graphic, animations and video. to evaluate students understanding, exercises were given at the end of each session
工程制圖一直被認為是一門實踐性學科,其整合了幾何學、建築、力學、電子制圖等,從而將理論與現實圖像聯系起來,工程制圖能為每個不同形狀、尺寸的物體提供精確的、完整的圖像.通常,即使在開放與遠程教育環境中,工程制圖的教學也是通過面對面的教學模式來進行的.由於其特殊性,一些學習者可能難以想象並解釋這些圖像.然而,尖端的技術使得可以通過在線的方式加強工程制圖的學習.研究者基於建構主義模式開發了一個面向工程制圖教學和學習的網路系統.該系統適用於幾種工程制圖,例如展開圖、刻面圖、等角圖和斜角圖.學習過程包括導論、概念學習、工程制圖方法,以及應用與練習等階段.在導論階段,系統為學習者提供了專題簡介,然後是概念學習階段.系統所提供的學習環境允許工程專業的學生從三維透視、一維透視、平面圖、側立面、正立面等不同角度來觀察物體.經過概念學習階段后,系統將引導學生通過動畫和模擬學習每個專題中制圖方法的不同步驟,學習者也能重復觀察任何剖面.另外,還通過圖像、動畫和視頻等方式展示真實的工程制圖應用案例.最後,為了評價學生的理解能力,在每部分內容後面都附有相關的練習Divide the image into several regular blocks, do n ' t separate the blocks without consistent attribute and unite the blocks with the same attribute, until forming a district map. the ability that man can distinguish different goals from the complicated scenery quickly, at least partly benefit from many kinds of information in the image, such as the grey level, border, texture, etc. it illumine people to create methods on how to use mis information to segmentation. edge information is the most important high frequency information of an image
本文以湖北省科技廳重點科技發展計劃項目資助課題? ? 「智能運輸系統的視頻信號採集及識別演算法研究」為背景,以課題中數字圖像處理部分主要環節之一? ?車牌圖像的分割問題為主要研究目標,在參閱大量文獻資料的基礎上,對數字圖像分割方法進行了學習和研究,並結合特定的數學理論,如數學形態學、小波分析等,對車牌圖像分割方法進行了著重地探討與實現。Due to the unique, stable and live physiological properties of the iris and non - invasive to users, most stable and reliable for identification in practical applications of iris - based system, iris recognition is receiving extensive attention and becoming an active topic in biometrics. as an application - oriented research project, iris recognition integrates mathematic, computer science, optics, electronics and physiology etc. based on wavelet transform, aimed to improve the recognition performance, centered at wavelet - based iris feature representation and pattern classification, we review and explore the iris sequence image quality assessment, iris image pre - processing, iris recognition performance evaluation and several other linked topics. we mainly investigate on the principles and application methodology of wavelet transform for iris feature representation and iris pattern classification methods
以小波變換技術為基礎,結合圖像處理和模式識別方法,設計並開發了虹膜圖像採集裝置,建立了虹膜識別演算法測試實驗平臺;重點研究了虹膜識別中的小波變換的應用基礎理論與關鍵實現技術;提出了基於小波局部模極大值的虹膜特徵表示及其多重匹配識別、基於小波多尺度信息的一維和二維虹膜紋理特徵量化表示、基於小波過零點技術的虹膜特徵表示及其規范化的部分hausdorff距離匹配識別,這三類方法能夠有效地提取虹膜特徵;基於自建的演算法測試平臺,對上述三類方法和其他三種國內外比較有影響的基於小波變換的虹膜識別方法進行了定量的性能比較和評價,通過實驗數據分析得到了有意義的結論;最後指出了小波變換技術在虹膜識別領域的研究重點與發展方向。A vision - based license plate identification system has to be robust, since the plate may be inclined or distorted, the characters may be blurred and the strokes become disconnected. the algorithms also have to be adaptable since the light condition and image capture position could vary. the license plate identification system has to implement license plate region identification, character extraction and character recognition. we use edge features and shape features to locate the plate region, in this process image enhance and mathematical morphology are used
本論文的研究重點主要包括牌照的定位、牌照中字元的分割和字元識別三部分,通過對圖像處理和分析技術的綜合運用以及對問題本身特點的詳細考察,最終實現了基於邊緣特徵和形態學分析的牌照定位演算法,在圖像預處理方面採用灰度變換、同態增晰和平滑演算法對圖像進行處理,提高了牌照圖像的質量。In this paper, i will present some algorithms of polyhedral visual hull reconstruction : ( 1 ) polyhedral v isual h ull generation a igorithm b ased one dge - pool - searching, which constrains the 3 - d intersections into the 2 - d planes intersection via the epipolar theory to reduce the complexity a nd c an r educe t he t imes f or c ones t o b e p rejected o nto t he i mage p lanes, i n which we induced the index list to every points on the surface of object, and connected the related points to get sub polygons on surface and in turn get the mesh model, we replace triangulation process of disordered points cloud by edge - pool searching. ; ( 2 ) reconstruction based on degenerated - polygon - intersection, which have the following improvements on traditional bull intersection : using degenerated polygon to orga nize intersected area on cone face, which may be discontinuous ; a fast intersection algorithm of polygons on the cone face based on degenerated polygons, which is consistent between the continuous polygons and the discontinuous ones. the intersection of degenerated polygons is similar to the convergence of two ordered lists, which is comparably simple to the bull operation ; ( 3 ) reconstruction algorithm based on ray - tracing, in which all the rays that run through the vertex on silhouette of object will intersect with all the cones correspondent to other silhouette, and we have to calculate the intersection of all such line segments, the endpoints of which are considered to lie on the surface of object and we will get the point cloud on the surface of object
同時利用共極線原理把三維計算投影到二維平面以降低求交計算的復雜度,該演算法可以減少光錐向圖像平面投影計算的次數,以邊池搜索取代散亂點集上進行的三角剖分; ( 2 )基於退化多邊形求交的多面體可見殼模型重構,系統引入退化多邊形的概念,把錐體平面的交集中不連通的部分用一個退化多邊形來表示,並引入了新的基於退化多邊形的求交演算法,與傳統多面體可見殼重構相比,該演算法有以下幾點創新:在圖像平面以退化多邊形組織投影錐體和物體輪廓的交集,把任意錐面與物體輪廓的交集歸一到一個退化多邊形;基於退化多邊形的二維平面上多邊形快速相交演算法,該演算法在一定程度上就是兩個有序鏈表的合併,大大簡化了先前的布爾求交計算; ( 3 )基於光線跟蹤的演算法,該演算法中所有通過輪廓頂點的光線和對應其它圖像輪廓的光錐進行求交計算,最後得到每次求交計算得到線段的交集,該線段的頂點就認為是物體表面點,從而得到物體表面的點雲。Later on, after elaborating the disadvantages of the old methods in detecting and recognizing moving objects, a series of corresponding approaches are proposed, such as grid scan, local tracking bug and dynamic window in object tracing to reduce the huge data needed to be processed, maximum and minimum for selecting a proper segmentation threshold and improved conversion from rgb model to hsv and so on to decrease the influence of inhomogeneous lighting and the color noise, a bilinear interpolation in each quadrant to eliminate the bad effect on the recognition precise because of the distortions of the camera. after that, much emphasis is given on application study in pattern recognition with a feed - forward neural network. both the basic bp algorithm and improved bp algorithm in the study process are described in detail, and the later is used to quicken convergence speed and improve validity of the network
然後,分析和闡明了傳統的運動目標檢測方法的不足,並在此基礎上結合研究中的實際實驗環境,提出了一系列解決方法,包括針對降低龐大數據量而提出的網格掃描、局部「跟蟲」追蹤和動態窗口掃描等目標檢測方法,針對實驗環境中光照不均和顏色干擾提出基於人機交互的最大最小值閾值選取方法和引入改進的rgb模型到hsv模型的轉換方法,為消除圖像畸變對識別精度的惡劣影響而採用的通過控制點進行雙線性插值進行畸變校正的方法;緊接著,概述了神經網路的發展歷史和幾種常用神經網路模型的特點,重點研究了前饋型神經網路在模式識別中的應用問題,詳細闡述了基本的bp演算法和學習過程中bp演算法的改進,從而使網路收斂速度更快,解決問題更有效,並在此基礎上,設計了一個基於bp神經網路的運動目標識別系統,給出了實驗結果。Based on the analysis of those existing generative models, this paper conducts research on the local modeling based face recognition method, and obtains the following results : ( 1 ) proposes a densely local matching ( dlm ) based face recognition method, in which by densely sampling original images we can get several sub images, which reflect features of different local regions, and obtained the final matching similarity through syncretizing the results of local subimage matching similarity
本文在分析現有的產生式方法的基礎上,對基於局部建模的人臉識別方法進行研究,取得了以下研究結果: ( 1 )提出了一種基於稠密局部匹配( denselylocalmatching ,簡寫為dlm )的人臉識別方法。該方法通過對原始人臉圖像進行稠密重采樣,得到反映不同局部區域特徵的子圖像,並最終通過融合局部子圖像匹配結果來得到最終的圖像匹配相似度。The binary method, which combines the global method and local method, is discussed. furthermore, the skew detect based on run length - smoothing is explained in the paper. at the same time, the layout analysis based on components search is introduced
文中討論在檔案數字化過程中所涉及到的文檔圖像處理技術,重點介紹了全局二值化與局部二值化相結合的二值化方法,基於游長平滑處理的文檔圖像傾斜校正演算法,以及基於組件搜索的文檔圖像版面分析。In section 4. 2 we analyze its main idea and algorithm in detail, two relevant theorems included ; section 4. 3 provides plenty instances so to explain its nonlinear dimension reduction ability, section 4. 4 propose a combined method that integrates the advantage of various methods. in section 4. 5 we analyze some significant problems in lle, including the locality of manifold representation, the choice of the neighborhood, the intrinsic dimension estimation and the parametric representation of mapping. in section 4. 6 we design an algorithm for estimating the intrinsic dimension in the base of locally linear approximation and discuss the choice of its parameters
第四章是本文的重點內容,研究一種全新的非線性降維方法? ?局部線性嵌入方法,對它的思想和演算法進行了詳細的分析,給出演算法兩個相關定理的證明;第三節對比主成分分析,通過實例說明局部線性嵌入方法的非線性降維特徵;第四節在此基礎上提出了旨在結合兩者優勢的組合降維方法;第五節提出了局部線性嵌入方法中存在的若干關鍵性問題,包括流形的局部性、鄰點的選擇、本徵維數的估計和降維映射的表示,第六節基於局部線性近似的思想提出了一種本徵維數的估計方法,設計了實用演算法,結合實例對演算法中參數的選取進行了討論;最後一節提出了一種基於局部線性重構的圖形分類和識別方法,將其應用於手寫體數字的圖像分類識別實驗,實驗得到的分類準確率達96 . 67 。Using square error function and the barycenter algorithm of light intensity as the merit function of focusing and alignment respectively, the system analyzed the images captured by charge coupled device ( ccd ) in the projection screen to produce feedback signals
該系統運用數字圖像處理技術,以方差函數和光強重心演算法分別作為清晰度調節和三色和色調節的評價函數,分析電荷藕合器件( ccd )採集的局部圖像,產生反饋信號。The wavelet transform theory is one of the effective tools mat widely apply to image processing recently, which have charicrictics of multiresolution analysis, fast working time, etc. so it is nature that conbine the wavelet theory with image reconstruction
小波分析理論是近年來廣泛使用於圖像處理領域的有效工具之一,具有時域和頻域的雙重局部性、多尺度分析、計算的快速性等特點。因而,圖像重建和小波分析理論的結合成為一種自然的結果。A new fisheye image edge extraction algorithm was proposed based on its round valid area ; the overlap area of images to be mosaicked was determinated according to the minimum brightness difference in this area, and thus the fisheye images mosaics were accomplished after images fusion ; finally, the virtual navigation was accomplished through color information extraction form fisheye images directly
摘要根據魚眼圖像的有效區域為圓形,提出了掃描線逼近的輪廓提取演算法,基於圖像重疊部分亮度差最小的原理,確定了重疊區域,通過對重疊區域進行融合處理實現了魚眼圖像的縫合,最後直接從魚眼圖像上提取顏色信息,重新采樣圖像數據,實現了基於魚眼圖像的虛擬漫遊。Then part of the dataset collected was utilized to generate 3 - dimensional model, or technically 3d - reconstruction, as the primer part of my doctorial study. based on these models, some application tries in medicine were mde. after the dataset of vch female l ( vch - fl ) were completely collected, further upgrades were made in techniques in dataset collecting
結合個人的專業方向,作者參與了vch的數據採集工作,並利用中國數字化虛擬人男1號( vch - m1 )的部分數據集,探索了對數據集進行圖像處理和分割、三維重構的方法,並對所構建的三維模型在醫學領域的應用模式進行了一些嘗試性的工作。分享友人