直投影像 的英文怎麼說
中文拼音 [zhítóuyǐngxiàng]
直投影像
英文
direct-shadow image-
A camera calibration method with co - line points is proposed, in which distortion center is located according to cross ratio invariability, and then distortion coefficients are calculated based on a line ' s central projection is a line
摘要提出一種用共線點列標定攝像機鏡頭畸變參數的方法，先根據交叉比不變性確定畸變中心，再利用直線的中心投影仍為直線這一性質確定畸變系數。This kind of two - channels wavelets decomposition methed reconstruct the wavelet coefficients of an image from the radon transform data, and these coefficients were made reverted wavelet transform obtain the original image. wavelets subsampled on the quincunx lattice, which can have cut - off at an angle during the wavelets decomposition
基於不可分離mra的小波演算法將投影數據進行二維濾波，其二通道的小波分解直接得到小波的近似系數和細節系數，這些系數再經過逆小波變換就得到了最終的重建圖像。The detail is that starts from the fourth character image ( the middle of license plate ), centers it, and then segments every character seriatim to the direction of left and right. it makes full use of the feature of the image. the priori information of license plate does well with the character conglutination and character rupture and presents a nice pre - segment
本文主要採用了引入先驗知識、垂直投影和最小包絡等方法從中間第四個字元開始，向左右兩邊進行逐一分割的方法，充分利用了圖像本身的特點，引進的先驗知識不受字元的粘連和斷裂的影響，有很好的預分割效果，最後的綜合分割效果較好，為字元的識別造好了準備。Unlike conventional open surgery, where operative manoeuvres are predominantly intuitive, surgeons practicing mis have to operate and assess organ structures on a television monitor with its flat two - dimensional image rather than relying on direct vision and the important sensation of touch. not only are movements restricted by the keyhole access, they also become paradoxical in nature since the normal direct coupling of hand and eye no longer applies
要用微形攝影機觀察身體內的狀況，手術的進行只靠投影在螢幕屏上的二維影像去判斷，加上動作受制於微細的切口，又沒有直接的手眼的協調，令手術的進行加倍困難。Three imaging methods are introduced : range - doppler imaging, projection tomography imaging, polar - doppler imaging. several interpolation methods are introduced, and their simulation results are compared, and cubic spline interpolation is proved to be the best
介紹了最基本的三種成像方法：直角坐標距離-多普勒成像、投影層析成像和極坐標距離-多普勒成像。( 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，採用反投影演算法，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，輪廓清晰。( 3 ) due to the handwriting image may contain lines of different height and the different spacing between words and lines. these factors will influence the veracity of texture extraction. so i advance a method to normalize the handwriting image, which combine the horizonal projection profile method, vertical projection profile method and padding method
（ 3 ）為了去除行間距、字間距、不同行高等不帶書寫人筆跡風格而影響特徵提取準確性的因素，論文對筆跡圖像的范化問題進行了研究，提出了一種將水平投影法、垂直投影法和字塊拼接法結合的筆跡字塊歸一化的方法，使歸一化操作一次完成，同時保證了筆跡文本內容的完整性。Through a deep study over the epipolarity based on the projection track method, the author puts forward the approximate line constraint method of dynamic epipolarity, and sets up constraint conditions of epipolarity in linear ccd push - broom stereo image matching, and proposes an imaging constraint method on the basis of application analysis of epipolarity, and taking imaging characteristics into account. 5
通過深入研究基於投影軌跡法的核線模型，提出了動態核線的近似直線約束方法，建立了線陣ccd推掃式影像立體匹配的核線約束條件；在核線應用分析的基礎上，結合影像立體成像的特點，提出了一種基於核線的成像約束方法。Characteristic circle is adopted for characteristic mark ; a new concept, “ characteristic diameter ”, is put forward ; the length and the position of the characteristic diameter ’ s image is adopted for the basic “ characteristic parameters ” ; and a new “ resolving model ” is established based on perspective projection principle and the speciality of “ characteristic diameter ” in this article, so that the normal direction of target plane can be got without calibrating camera parameters in real time. it only need basic mathematic tools
本文採用特徵圓作為靶面上的「特徵標志」 ;提出了「特徵直徑」的概念，採用特徵直徑及其在像面上的透視投影的位置和長度作為基本的「特徵參數」 ;根據透視投影的規律，應用特徵直徑的特性，建立了新的「解算模型」 ，無須在現場標定攝像機的參數，只需採用基本的數學工具即可實時解算出靶面法線的方向。In the chapter of character segmentation, the traditional method of finding minimum vertical projections combined with plate license format is used. the use of space mark matching method proposed in this dissertation to ensure the first segmentation position obtains a very high rate of success
在字元分割方面，提出了間隔符區域匹配的方法獲得分割起始位置、並以二值圖像垂直投影尋找極小點結合車牌制式先驗知識的演算法，以消除車牌左右兩端定位精度對字元分割的影響。Prestack migration method, based on wave motion equation, is also developed for receiver function, and compared with ray method. both p - to - s conversion wave and direct p phase contained in receiver function are migrated and imaged by reverse - time migration for data gather including all receiver functions recorded in all seismological stations for one event, and imaging profile is finally obtained by stacking for all events
本文還在接收函數射線反投影疊加成像的基礎上，提出了一種基於波動方程的接收函數疊前偏移成像方法，將同一事件接收函數中的轉換波和直達p波震相以各自的速度向深度方向逆時延拓成像，並通過不同慢度接收函數的疊加，得到最終的偏移成像結果。Fisher rule is used then to find the best line that suitable for classification, according to which the sample data is projected from a high - dimensional space to a low - dimensional space
該方法利用fisher判別準則，找到一條最好和最易分類的投影直線，並將樣本數據由高維的圖像空間投影到低維的特徵空間。Being one of the key technologies of euvl, the alignment of optical lithography system affects directly the final imaging quality of the system
作為euvl關鍵技術之一，微縮投影光學系統的精密裝調直接影響著系統的最終成像質量。The motion law of the perspective projection of a line on the ground in the image space is analyzed, and the navigation parameters are gotten directly by transforming the line in the image space into navigation parameters space according to the principle of hough transformation
本文中分析了直線路徑在圖像空間中投影的運動規律，研究了如何利用hough變換把圖像空間中的線映射成導航參數空間中的點，直接獲取所需導航參數的方法。In inverse problem of ert, the linear back projection algorithm based on sensitivity field is used to reconstruct the qualitative image. assume that the change of conductance is slight, so the sensitivity can be approximately
在電阻層析成像的成像演算法方面，論文中使用了基於敏感場的線性反投影演算法，假設電導率分佈的變化不是很大，則場內敏感場系數的分佈可近似的認為不變，這樣就可利用敏感場矩陣直接求取多幅圖像。In contrast with the conventional geometry - based approaches of using 3 - d models for creating new virtual views, ibr techniques use a collection of photographs as the underlying data representation, and render directly from these original images based on pixel interpolation or reprojection
與傳統的基於幾何的繪制技術不同，基於圖像的繪制技術所採用的數據模型是由光學圖像集構成，直接由這些源圖像通過插值或重投影的方式獲得新的圖像。This system combines image processing technology and pattern recognition technology. we use pca algorithm to select features from human face. and realize the fast decision to the human face. we use sharping processing, binary processing, smoothing processing to separate the face from the background, and then we use integration projection to realizes the precise location of the face
系統採用了數字圖像處理和模式識別等技術，首先對人臉進行銳化，二值化，平滑等處理，使人臉與背景部分分離開來，然後利用人臉的垂直積分投影和水平積分投影法進行人臉器官的定位。In order to attain the line edges in images, all edges are thinned by improved sequential thinning algorithm to be one pixel wide at first
演算法從圖像中提取直線邊緣計算投影不變量，用於對目標建模並跟蹤。The three steps included in the algorithm are license plate segmentation, which consists of rough segmentation and accurate segmentation, character segmentation and character recognition. the rough segmentation transforms the original image into a texture image, and locates the plate - like areas through the intensity of textures in these areas, and thus finds out the only true plate area according to their gray vertical projection
對車牌定位，論文研究了紋理分析和灰度垂直投影相結合的粗定位演算法，先把圖像轉換成紋理圖，利用車牌區域紋理豐富的特點找到各個類似車牌的區域，然後對這些車牌候選區域採取垂直方向的灰度投影來判別真偽車牌，獲得唯一的車牌區域。We roughly locate the organs using horizontal projection and vertical projection of the image, then we locate them exactly using a fast module - matching algorithm. ( 2 ) the generation of facial expression
我們先利用臉部圖像的垂直投影和水平投影對臉部器官進行了粗定位，然後通過一種快速的模板匹配演算法進行了臉部器官（主要是眼睛和嘴巴）的精確定位。分享友人