鏡像投影 的英文怎麼說
中文拼音 [jìngxiàngtóuyǐng]
鏡像投影
英文
mirrored projection-
For a number of historical and technical reasons, hockney envisions a camera obscura based not on a lens but on a concave mirror ( curved inward like a shaving or makeup mirror ), which can also project an image onto a screen
由於歷史與技術上的若干理由，霍克尼推想出一種不採用透鏡、卻利用凹面鏡的暗箱（凹面鏡是一種內凹的鏡子，比如刮鬍子或化妝時用的鏡子） ，這種鏡子也可以把影像投射到屏幕上。Unlike concave mirrors, the convex kind produces right - side - up virtual images, smaller than the original object, which cannot be projected onto a canvas
與凹面鏡相反，凸面鏡呈現的虛像不會顛倒，影像比原來的物體要小，且無法投射到畫布上。Detection : carbon - sulfur analyzer, oxygen analyzer, glazing machine, rockwell ( vickers ) hardometer, profile projector, surfagauge, scan electron microscope, laser conductometer, magna - check, universal measuring instrument, metallograph and image analysis system, abrasion tester, universal test machine and other advanced analysis and detection equipment and instruments
檢測類：碳硫分析儀、氧分析儀、試驗室用拋光機、洛（維）氏硬度計、輪廊投影儀、表面粗糙度測量儀、掃描電鏡、激光熱導儀、磁力探傷機、萬能測量儀、金相顯微鏡及圖像分析系統、磨損試驗機、萬能試驗機及其它的先進的分析檢測設備和儀器等產品類。Sequentially, the author discussed the technologies of medical image 3d visualization according to the clinical applications. with the development of computer, 3d visualization and computer graphics, the 3d visualization of medical images has progressed from fourier transform and convolve inverse projection to mpr ( multi - planar reformation, mpr ) and mtp ( maximum intensity projection, mtp ), nowadays, the real 3d reconstruction method, surface and volume rendering has risen. the image registering, image segmentation, pixel data set construction and 3d special interpolation are the key technologies in medical images 3d reconstruction
隨著計算機技術、三維可視化理論和計算機圖形學的發展，醫學圖像的三維可視化技術也從傅立葉變換、卷積反投影等基本圖像處理演算法，發展到真正的三維重建演算法：面繪制和體繪制；醫學圖像的三維可視化技術的應用也從三維醫學成像發展到虛擬內窺鏡，以及今天的虛擬可視化人體研究；而圖像的配準、圖像分割、體數據集的構建、三維空間插值則是醫學圖像三維可視化實現過程中的關鍵技術環節。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。An image of the object is projected by the object lens on to the photocathode of an image converting tube.
物象通過物鏡投影在變像管的光陰極上。Depends on the analysis of characteristics of excimer laser and the projection objective, a high multiple lens is designed, which is optimized by the professional software zemax, and then used in the accurate micro - machining. the system eliminate the lens aberration perfectly, and meet the requirement of machining at the precision of several microns
分析了目前主要的幾種投影物鏡系統特點，從光學設計理論出發，由專業光學設計軟體zemax優化，設計加工了用於高精度準分子激光微孔加工的倍率為100 : 1的投影成像物鏡。The roughness of wyko and afm measuring are 0. 73nm and 0. 56nm in rms value respectively, in both primary and secondary mirrors, and will severity reduce the schwarzschlid optics throughput and the contrast of the image
73urn ） sm ， wyko檢測結果）波紋度和高頻段的0 56urn （ ms ， afm撿測結果將嚴重影響schwarzschild微縮投影物鏡的成像對比度和傳輸效率。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。Our production mainly applies to laser industrial processing, laser biological and medical treatment, laser application technology, laser machine, protection for work, eye safety, electric welding mask controlled by optics, the watch windows of tank and industrial stove, optical equipments, web camera, photography system of mobile phone, projective system, ccd, cmos, lcd, dlp, lcos, dvd, telescope, gun aiming, stage, medical treatment, uv solidifying, screening, and other lamps and lanterns
公司產品主要應用於：鐳射工業加工、鐳射生物醫療、鐳射應用技術、鐳射器元器件、作業防護、眼睛防護、光控電焊面罩、坦克、工業爐等視窗、光學儀器、攝像頭和手機攝像系統、投影系統、 ccd 、 cmos 、 lcd 、 dlp 、 lcos 、 dvd 、望遠鏡、槍瞄、舞臺、醫療、紫外固化、紫外光源和放映等燈具中。For example, a photographer will choose a long - focal - length, or telephoto, lens to zoom in on a baseball pitcher to make his image large ; he will use a short - focal - length wide - angle, or “ fisheye, ” lens to zoom out, revealing the fans throughout the stadium
例如攝影師會選擇長焦距的鏡頭，即遠距照相鏡，來拍攝棒球投手，使投手的影像放大；他會用短焦距的廣角鏡頭，甚至所謂的魚眼鏡頭，來拍出運動場周圍看臺上的球迷。Moreover, a mirror that is a section of a perfect sphere will produce a blurry image of each point in arnolfini ' s room ; each point is spread into a “ blur spot ” on the support, which i calculated would be several times the size of the fine detail in the painting
再者，如果鏡子是從正圓球切下來的，投射出的影像會變得模糊，阿諾菲尼房內的每一點在屏臺上都會分散為模糊點，根據我的計算，模糊點的大小是畫中細節部份的好幾倍。Method of determining the distortion coefficients of camera lens for fringe projection measurement
光條投影測量中一種確定攝像機鏡頭畸變系數的方法The projection optics with aspherical mirror of sub - nanometer accuracy are required to get a resolution of less than 0. 1 m m and wide exposure area simultaneously. the precision of polishing and testing for such ashperical surface is fairly high and it has not been achieved yet in our current state
Euvl微縮投影物鏡為了同時實現大的曝光視場和0 . 1 m以下的成像解析度，微縮投影光學系統需採用面形精度達亞納米量級的非球面，但我們現階段的光學加工和檢測技術距此要求尚有一定的差距。1 projection method : we project the solar image from a telescope to a screen and we observe the sunlight reflected from the screen
投影法：我們可以利用望遠鏡把太陽的影像投影在熒幕上，然後觀看熒幕上的影像。In order to further video analysis, an algorithm of abrupt shot boundary detection based on fuzzy clustering neural network ( fcnn ) is proposed, and it has the advantages of high precision as well as robust to fast move. caption segmentation is the key to the whole process, fcnn can also be utilized to locate caption region, however, the technique is time - consuming. thus an improved projection segmentation method is presented, and the experimental results show that it is simple and practical, and fits for real - time processing
為了便於后續的視頻分析，提出了一種基於模糊聚類神經網路（ fcnn ）的鏡頭突變檢測演算法，實現視頻鏡頭分割，該演算法具有檢測精度高、對運動穩健等優點；區域定位是字幕提取的關鍵一環，同樣利用fcnn分類器可實現字幕定位，但其運算量大，定位精度不高，因此提出了一種改進的投影分割方法實現字幕區域定位分割，實驗表明其簡單實用，適于實時處理；考慮到單個字元背景相對簡單，為此提出了一種基於單字元的字幕二值化演算法，最終在經由字元分割、二值化及殘留背景像素清除之後，得到了清晰、高質的字幕圖像，字元識別結果證明了這一點。Normally, in current projection system, three array pixel type spatial light modulator devices were used to form three primary colors image in the projection display. to achieve the high performance projected images, the three slm devices must be adjusted precisely and superposed three primary colors images exactly one by one in space. it is means the correspondent pixels of the three colors " pixel devices must be overlapped exactly
以目前得到廣泛應用的三片式陣列像素器件投影顯示為例（如液晶投影顯示） ，在投影鏡頭成像質量達到要求的情況下，要得到清晰的圖像，還要求精確調整三片陣列像素器件的空間位置，使得陣列像素器件成像清晰，而且對應像素經成像后精確重合。Depending on the requirement of the projection distance and the size of final projected image, the main function of the projecliquid crystal on silicon ( lcos ) paneltion module is to enlarge and project the required final sharp and clear colorful image, which is transferred from color management module, to the screen
根據最終影像大小及投影距離要求，投影透鏡模組的作用是將經由顏色管理模塊輸入的影像放大並投影到屏幕上形成色彩鮮?且清晰的圖像。分享友人