廓影法 的英文怎麼說

中文拼音 [kuòyǐng]
廓影法 英文
silhouette method
  • : Ⅰ形容詞(廣闊) wide; extensive Ⅱ名詞(物體的外緣) outline
  • : Ⅰ名詞1 (物體擋住光線后映出的形象) shadow 2 (鏡中、水面等反映出來的物體形象) reflection; image...
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  1. First the sketch / datum plane is fitted by least - square distance, then the extruded direction or axis with the flank points of the cloud is extracted in quadratic paogramming arithmetic, and certain points projected to gain 2d sketched datas. feature points are defined to segment the sketch datas, and the sketch profile is generated by fitting separately the line and circle segment

    使用最小二乘方擬合草圖基準平面,採用二次規劃方提取拉伸方向和旋轉軸線,然後將數據點投以獲取草圖數據,通過柵格劃分提取草圖邊界輪數據,再對這些邊界數據進行基於特徵點的分割,以直線和圓弧段擬合出草圖輪
  2. First calculation method : doing horizontal projection drawing on drawing piece, k value is introduced by area equation of projection drawing, k value is obtained by area equation, along outline of projection drawing to add k value, that is, outline shape of blank drawing, principle area - equal and shape similar are used. second calculation method : along outline of drawing piece horizontal projection drawing, to do normal line of penetration line for wantonly point of this point, to obtain high of drawing piece on this point normal line, point and point is to form outline shape of blank

    計算方之一為k值:作拉深件水平投圖,在該投圖面積方程中引入k值,利用面積相等原理解方程,求得k值,沿水平投外沿加上k值,即為毛坯圖的外形狀。計算方之二為拉深線:沿拉深件水平投圖外,在任意點作該點切線的線,在該線上以該點拉深件的高度為量,在線上取截點。
  3. Anti - inflammation effect was determined by using of auricle tumefaction mice caused by dimethylbenzene. results paozhenling obviously decreased the quantity of body wrest caused by acetic acid and the time of biting at foot caused by formaldehyde in mice

    採用醋酸致小鼠扭體及小鼠甲醛傷害評價皰疹靈的鎮痛作用及對癢痛反應的響;以磷酸組胺懸滴刺激豚鼠破損後足背方,觀察本品的抗局部傷害作用;採用二甲苯致小鼠耳腫脹方,探討本品的消腫抗感染作用。
  4. Secondly, in phase unwrapping to overcome the spread of wrong point, changing the patch of unwrapping phase is done to improve the correctness of it. then, the relation between the unwrapping phase and the height of reconstructed object is discussed detailedly. the data processing, algorithm analysis and reconstructing object are done for the collecting fringe image which are all based on matlab language, in all these achievements, the improvement and innovation aspect are following : a ) in order to stabilize the interference fringe, a new equivalent shifting object method is presented by using fringe stabilizing device to stabilize the interference fringe though moving object and ccd camera which fixed on a precise moving platform together, the experimental result shows the fringe drift is less than a / 20 in five minutes, and the equivalent phase shifting precision is x / 100

    論文在全面闡述了光學三維輪位相測量術的發展、應用現狀、研究熱點及未來發展趨勢的基礎上,簡要介紹了傅立葉變換和相移位相輪測量術的基本原理,對兩種測量方存在的問題及誤差進行詳細分析和比較;針對位相解包裹錯誤點的傳播問題,作者通過改變解包裹路徑來提高位相解包裹的正確性;分析討論從解包裹位相( x , y )到再現物體的高度h ( x , y )物理量之間的關系,研究相應的演算,利用matlab平臺,對實際採集的條紋圖像進行處理和輪重構,其中改進及創新工作主要表現在以下兩個方面: ( a )針對干涉型結構光場干涉條紋出現的漂移抖動對相移的響,提出了一種用條紋穩定器穩定干涉條紋,用精密移動平臺使物體和ccd攝像頭同步移動實現等效相移的方,建立了相應的測量系統,系統的條紋穩定可以達到。
  5. Human is very sensitive to the information of silhouettes. image based visual hull method is an efficient way to construct 3d models from a set of images by computing shape - from - silhouettes

    作為基於圖像建模的一種重要方,可見外殼生成方( image - basedvisualhull )就是利用圖像側線來重建三維模型。
  6. All the results can be utilized by engineers, during the designing and construction. the main conclusions are listed as follows : ( 1 ) based on the shortest line between weak interbed and limit of excavation and the location of point of intersection between limit of excavation, classification of weak interbed distribution is set up, and the distance of distribution is defined ; ( 2 ) according to the strength and deformation equivalent principle, influence zone of weak interbed is introduced, and a new method to simulating the weak interbed with thickness is built ; ( 3 ) some quantificational results on influence of weak interbed respectively at crown, right shoulder and right wall are summarized ; ( 4 ) some quantificational results on influence of weak interbed with the distance between weak interbed and limit of excavation 0. 2d, 0. 5d, l. od are gained ; ( 5 ) some quantificational results on influence of weak interbed in the rock mass with confining coefficient 0. 38, 1. 0, 1. 5, 2. 0, 3. 0 are summed up ; ( 6 ) some quantificational results are summarized on influence of the underground surrounding rock mass stability with weak interbed, in the representational surrounding rock mass graded ii, iii, iv ; ( 7 ) according to the studying results some advices are suggested on designing of underground engineering

    主要結論如下: ( 1 )以軟弱夾層到開挖輪線最短距離和最短距離線與開挖輪線的交點位置為指標對軟弱夾層的分佈部進行了分類,並確定了軟弱夾層分佈距離; ( 2 )根據強度等效和變形等效的原則,引入了軟弱夾層響帶的概念,建立了模擬軟弱夾層厚度的一種新方; ( 3 )總結出了軟弱夾層分佈在拱頂、右拱肩、右邊墻時對地下洞室穩定性響的量化指標; ( 4 )分析出了軟弱夾層距開挖輪線0 . 2d 、 0 . 5d 、 1 . 0d三種情況對地下洞室穩定性響的量化指標; ( 5 )總結出了在不同的側壓力系數( 0 . 38 、 1 . 0 、 1 . 5 、 2 . 0 、 3 . 0 )地應力場中軟弱夾層對穩定性響的量化指標; ( 6 )得出了在、 、代表性圍巖中軟弱夾層對穩定性響量化結果; ( 7 )根據數值試驗成果提出了在有軟弱夾層圍巖中地下洞室設計原則的幾點新內容。
  7. The basical cause of it is the natural defects of the recent revolution of judicial system, to which the policy making body has not paid enough attention

    究其根源,在於目前所進行的司體制改革具有天然的缺陷與不足,尤其是直接響著司體制改革走向與成效的一些問題,還未能引起司體制改革決策機關足夠的重視,亟待重新認識和清。
  8. ( 2 ) we design a model based on compound electrodes, imaged the different object in diameter, conductance by means of back - project algorithm to imaging the physics model and getting actual poison, clear profile

    ( 2 )設計復合電極結構的物理模型,採用反投演算,實現對不同直徑、不同電導率、不同個數的物理模型動態成像,成像結果位置準確,輪清晰。
  9. In this thesis, some key issues of the vr technique are systematically investigated. firstly, for the image filters and image interpolation between slices, a integrated interpolation algorithm is presented based on the contour shape and correspondence matching, which keeps the shapes and grays information the objects of interest. secondly, the fidelity of effect of the vr for medical images is studied, and a continuous - gradient - based method for transparent volume rendering is proposed, which vivifies the results of volume rendering

    首先,研究了醫學斷層圖像數據的濾波及層間插值技術,提出了一種基於輪形變和對應點匹配相結合的混合插值演算,在實現圖像層間插值的同時保持了目標的輪形狀與灰度信息;其次,對醫學像容積重建效果的逼真度進行了研究,提出了一種基於連續梯度轉換函數的互動式透明體繪制方,使重建效果更加生動、真實。
  10. For bilateral symmetry objects, the techniques on symmetry - point detection and symmetry - axis extraction are presented based on harmonic conjugation relationship. for rotated symmetry objects, the techniques on rotated units description and rotated symmetry center extraction are presented based on center invariants of objects. further more, by using 3d invariants and 2d projective transformation, an approach to recover shape from part symmetry objects is realized on some conditions

    ( 3 )深入分析了2d對稱性目標透視成像的幾何特點,將共點四線交比用於目標輪上的關鍵點的特性描述中;利用調和共軛關系,提出了一種針對左右對稱型目標的對稱點檢測和對稱軸提取的演算;利用交比關系構造了目標的形心不變量,提出了一種針對旋轉對稱型目標的旋轉對稱單元判定、旋轉中心提取的演算;進一步利用3d不變量和2d射變換,實現了一定條件下的對稱性目標的形狀恢復技術。
  11. Without using a model whose topology is known for mesh fitting, the algorithm simplifies the 3d surface topology problem to 2d surface topology problem by projection. then the best 3d surface topology is deduced using the minimum summing of spans criterion based on the " minimum offset " criterion which is proposed in this paper to determining the points links between two adjacent contours. the custom software is designed for 3d rendering using opengl interface

    為解決不平行輪的重建問題,本文用投的方把三維表面拓撲結構問題轉化為二維表面拓撲結構問題;為確定平面輪間點的對應關系,本文提出基於最小偏移量準則的輪拼接演算並用跨段之和最小準則來確定輪拼接的起始點和最佳可接受的表面,從而確定三維表面的拓撲結構。
  12. One afternoon i had then been three weeks at lowood, as i was sitting with a slate in my hand, puzzling over a sum in long division, my eyes, raised in abstraction to the window, caught sight of a figure just passing : i recognised almost instinctively that gaunt outline ; and when, two minutes after, all the school, teachers included, rose en masse, it was not necessary for me to look up in order to ascertain whose entrance they thus greeted

    一天下午那時我到羅沃德已經三星期了,我手裡拿了塊寫字板坐著,正為長除中的一個總數發窘,眼睛獃獃地望著窗外,看到有一個人閃過。我幾乎本能地認出了這瘦瘦的輪。因此兩分鐘后,整個學校的人,包括教師在內都全體起立時,我沒有必要抬起頭來后過究竟,便知道他們在迎接誰進屋了。
  13. The research about the non - invasive inspection of pcb that is based on ir image is introduced. the detection principle, the components of hardware and software are introduced in this paper. some key technical problems and the project of software are presented in detail : graphics of user interface ( gui ) of the projection, gray scale transformation ( gst ), image contour extraction through edge detection algorithm based on the approaching contour optimization, image registration based on corner detection, the position of hidden trouble pcb through add - minus algorithm image

    本文介紹了利用紅外圖像對印製電路板進行不接觸式故障檢測的系統研究,主要介紹了本系統的檢測原理,硬體組成及軟體的製作,其中詳細地介紹了軟體的製作過程以及其中的幾個關鍵部分:本系統的人機交互界面;圖像的灰度轉換;基於最優輪逼近的邊緣提取演算進行輪提取;基於角點檢測的圖像配準;用差得到故障電路板的故障隱患或故障部位。
  14. This thesis pass through the laser delimitation instrument and the geological radar instrument means, to tunnel initial stages support and secondary structure. at past the research of tunnel lining thickness depend on opening dig figure, don " t consider the effect of tunnel lining inner figure. adopting the integrate method of the laser delimitation instrument and the geological radar could most exact reflect the change rule of tunnel lining thickness, but also could do lots unbroken examination, have very important for summing - up the rule of tunnel lining thickness change, and have very amplitude extend value

    本文通過激光限界儀和地質雷達綜合方,對新建高速公路隧道初期支護和二次襯砌混凝土內輪和厚度進行了檢測,對襯砌厚度的分佈規律以往的研究中,多以開挖和襯砌的輪變化為依據,並未考慮襯砌內輪響,而採用激光斷面輪限界儀和地質雷達綜合方能較為準確的反應襯砌厚度的變化規律,並且能夠無破損的做大量的檢測工作,為總結混凝土厚度的規律有很大作用,並有極大的推廣價值。
  15. Since the real - time image and norm image shoot height, orientation and image size are different, the two image ' s outline exist rotation and distortion, and so obtained image ' s edge character is influenced by picture ' s gray distribution, so that the match result is usually not correct

    摘要下視景像匹配製導中,實時圖和基準圖的拍攝高度、方位和圖像比例尺不完全一致,兩圖的輪形狀存在旋轉和變形等差異,邊緣特徵提取方受圖像灰度分佈響存在變形和移位,易導致匹配錯誤。
  16. 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到二維平面以降低求交計算的復雜度,該演算可以減少光錐向圖像平面投計算的次數,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,與傳統多面體可見殼重構相比,該演算有以下幾點創新:在圖像平面以退化多邊形組織投錐體和物體輪的交集,把任意錐面與物體輪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,該演算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,該演算中所有通過輪頂點的光線和對應其它圖像輪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。
  17. This method can avoid losing surface details, but its calculation is computationally expensive. the projection characters of adjacent contours and their connected surfaces are analyzed. a new algorithm for reconstruction is proposed based on projection

    針對隱函數曲面計算量較大的缺點,分析相鄰斷層上的輪及其重建子表面投的特性,提出一種基於投的表面重建方
  18. Aimed at the difficulties of extracting the object heights in fringe pattern technology, a new measurement method with ray track was proposed

    摘要針對條紋投技術中提取物體高度比較復雜的問題,提出了一種光線跟蹤測量物體輪的新技術。
  19. The heart of this algorithm is to track at least four fiducial points from frame to frame that construct the affine frame, and thus the occlusion contours between virtual and real objects can be reconstructed and reprojected

    演算的核心是在每一幀圖像中追蹤至少四個基準點,構成仿射基,進而對虛擬物體與真實物體之間的遮擋輪進行重建和重投
  20. Secondly, some techniques for image segmentation, such as edge - detection, grayscale thresholding and texture, are represented in detail. in the third part, two primary ways are designed for 3d modeling, one is based on the contours triangularization while the other is based on the iso - surfaces extraction. we use a condensed history monte carlo method to calculate and build up the radiation dosimetry, which is a regular data set suitable for creating the iso - surfaces

    論文首先介紹了醫學像的獲取和預處理的方,包括dicom標準、醫學像的圖像增強及圖像校正等內容;提出了基於邊緣提取、灰度閥值和紋理信息等原理的器官分割方;為了建立三維人體模型,介紹了兩類方;基於輪線的方和基於等值面提取的方;在建立放射劑量場時,使用了經典的montecarlo方;最後,詳細介紹了傳統的等值面提取方( marchingcubes ) ,並提出了一種啟發式搜索的marchingcubes方
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