移像掃描 的英文怎麼說
中文拼音 [yíxiàngsǎomiáo]
移像掃描
英文
image deflection scanning-
The scanning mirror system is execution component to compensates error brought by image movement. it is main component of aerial camera
本文所研究的掃描反射鏡系統是斜視航空相機實現像移補償的執行元件,它是航空相機的重要組成部分。Image coordinate and galvanometer pendular angle are kept in the computer according to the f9 field lens characteristic, enter pupil excursion and f6 characteristic error are ignored, that the image of laser scanning point move acceding to unlinearity relation is deduced theoretically. for deducing the distortion, error compensation is considered in the software
像點坐標與振鏡擺角按f物鏡特性的線性關系存儲在計算機,在忽略了入瞳漂移和f特性誤差后,從理論上推導出二維垂直振鏡分佈中激光束掃描點的像點按照復雜的非線性關系運動,為了減少幾何畸變,在軟體設計中給出誤差補償。Because the microelectrode array is so small ( fewer than 10 pixels by 10 pixels ), the patient experiences tunnel vision ? head movements are needed to scan scenes
而且這個微電極陣列很小(小於10 10像素) ,所以使用者的視野很狹隘,必須要移動頭部才能掃描出外界景像。The paper studied actual method of imc about panoramic aerial camera, and put forward a true _ angle imc method in scanning orientation. the true _ angle imc is independent of scanning velocity, and the demand of drum control system ' s rotational velocity ' s precision is reduced. at last, through experiments, the true _ angle imc was validated
研究了全景相機像移補償的具體實現方法,提出了相機在擺掃方向上的真角度補償方法,補償后的像移誤差與擺掃速度無關,從而降低了對鏡筒掃描系統的穩速精度要求。First, resistance to geometrical distortion was obtained by using moment normalization ; second, we focus on the phase of fourier - mellin transform. before detecting watermark, synchronization could be retrieved by using the phase information. to eliminate the influence of pixel value distortion generated during print / scan process, a dft - based robust watermark algorithm was designed, which could successfully detect watermark from a severe distorted image
另一種思路是根據圖像經過旋轉、縮放、平移后,其傅立葉?梅林變換域只有相位受到影響的特點,從其相位中提取幾何失真信息,然後再進行相應的失真補償,從而消除幾何失真的影響;對于列印掃描過程產生的像素值失真,本文也提出了一種基於dft的魯棒性演算法,能在較嚴重的圖像失真情況下,成功檢測水印。Then the imaging theory of translational motion of swept - volume technique is studied, and a model used to explain the imaging process
然後研究了平移體掃描顯示技術的成像原理,本論文選用一個模型描述了立體圖像生成的原理。Based on the relationship between the change of the cornea thickness and optical path length, the ablation profile for the correction of wavefront aberration is presented and simulated on computer. the process of scanning - spot excimer laser is studied and simulated on computer. models for calculation of residual wavefront aberration on situations of lateral decentration and torsional misalignment are brought up
使用改變光程的方法建立起波前像差與角膜切削量之間的關系,並對像差矯正模型進行計算模擬;深入研究了小光斑準分子激光飛點掃描模型,對飛點掃描過程進行計算模擬;提出了中心偏移和旋轉情況下剩餘像差計算模型,為定量研究切削中心定位精度對像差矯正的影響提供了依據。It analyses the causes to bright image movement, studies principle to compensate image movement, conforms project to compensate image movement, and designs framework to compensate image movement in the article ; to analyze and design configuration of the scanning mirror, to select matters of mirror and its support structures on the principle of consistent line expansion coefficient ; to ascertain type of moment electromotor by most rotating angle speed and most rotating moment which are required by loads in the period to take pictures, as well as by figuration size of electromotor ; to design retarder according as the electromotor parameters ; to design and optimize lightweighted mirror shapes, because the mirror is key part ; to design flexure support structure, to analyze static and dynamic characteristics of the support structure by name of patran program for validating desig n rationality ; to study function of the scanning mirror electric control system ; to test precision of the system, the results indicate the rationality of design of the scanning mirror system
本文通過分析像移產生原因、研究像移補償原理,確定像移補償方案,並根據像移補償原理設計補償機構;分析與設計掃描反射鏡系統結構,根據材料線膨脹系數一致原則,選擇反射鏡及其背部支撐的材料;由掃描反射鏡在擺掃周期內的最大擺掃角速度確定力矩電機的額定轉速,根據負載力矩確定電機的額定轉距,綜合電機外型尺寸等因素,確定執行元件? ?電機的型號;根據所選電機的參數指標,設計1 : 6速比的減速器;利用patran軟體對掃描反射鏡系統中的關鍵件? ?反射鏡進行輕量化設計與優化;設計反射鏡柔性支撐結構,並通過軟體分析支撐結構的力學特性,驗證反射鏡柔性支撐結構設計的合理性;從原理上研究掃描反射鏡控制系統功能;進行系統精度測試,測試結果表明掃描反射鏡系統設計的合理性。Topics include ( 1 ) general mechanisms of disease ( inflammation, infection, immune injury, host response to foreign materials, transplantation, genetic disorders and neoplasia ), ( 2 ) pathology of lipids, enzymes and molecular transporters, ( 3 ) pathology of major organ systems, and ( 4 ) review of diagnostic tools from invasive surgical pathology to non - invasive techniques such as optical spectroscopy, functional imaging, and molecular markers of disease
主題包含( 1 )疾病機制通論(發炎,感染,免疫受損,宿主對異物反應,移植,基因異常與癌癥) ( 2 )脂質、酵素與分子傳送者病理學( 3 )主要器官病理學以及( 4 )從侵入性手術病理學到非侵入性技術診斷工具的回顧,例如光譜學、功能性影像斷層掃描、和疾病分子標記。For the image acquisition of optical scan mode, normally, ccd image sensor is used to capture image, but in our system, due to the system request of micromation and high integration, cmos image sensor is adopted as the image collection device, and then the thesis gives a interface circuit between the chip and dsp and a control solution of image collection ; toward the information storage in our solution, dsp is directly linked to usb host chip and it is the dsp that accomplishes the processing of usb protocol and interface control so as to reduce the cost, minimize product cubage and consequently meet the requirement of system micromation ; at the same time, the thesis probes preliminarily into usb otg ( on - the - go ) technology, which offers an approach between embedded machines including pda, mobile phone, printer, digital camera and so on ; in addition, some attempts on the other application area with tms320vc5402 which was commonly used to voice processing and static image processing are done, for example, to arrange the chip to control lcd module directly
在圖像的光電掃描輸入上,傳統方案大部分採用ccd型圖像傳感器,而在本方案中,根據系統微型化、高集成的特點,使用了cmos圖像傳感器作為攝像器件,並且設計了該晶元與dsp的一種介面電路以及圖像採集控制方案;在信息存儲上,本方案採用dsp直接與usbhost晶元連接,由dsp處理usb協議和介面信息,從而降低了系統成本、縮小了產品體積,滿足了系統微型化的要求;同時本論文也對usb - otg技術進行了初步探討,利用此項技術,不再需要計算機作為主機,就能實現在pda 、移動電話、印表機、數碼相機等嵌入式應用之間直接互聯通信;另外也對廣泛用於語音處理和靜態圖像處理的tms320vc5402其它方面的應用進行了嘗試,比如直接控制液晶顯示器等。Second, the edge points on the scan - lines of the first prewarped image are detected and the corresponding points on the same scan - lines of the other prewarped image are matched. third, with these corresponding edge points, the scan - lines of the two images are segmented. in the end, more exact corresponding relation of these points are obtained under the use of the affine transformation and the auto - corresponding of the images are finished
該演算法首先矯正源視圖,使矯正後圖像滿足視點平移關系;然後檢測第一幅圖像掃描線上的邊緣點,再由這些邊緣點匹配出第二幅圖像上對應的邊緣點,利用這些對應的邊緣點再分割兩幅圖像中所對應的掃描線;最後用仿射變換建立較為準確的點與點的對應關系,完成圖像的自動匹配。Not only from direct scanning images but from reconstruction images, we could see that the movement of sublimation interface was a three - dimensional move mode, it contracted to the centre of the material
從直接掃描圖像和重構圖像,均可看到升華界面的移動是一個立體的移動,由它所包裹的凍結區逐漸向物料幾何中心收縮。Laser scan imaging and shifting principle, and triangle measuring approach for the transmission flow are described based on the image analysis
摘要描述了基於圖像分析的傳輸流量檢測的激光掃描成像偏移原理和三角測量方法。Based on this, the composing of translational motion of swept - volume system is analyzed
並在對成像原理的理解上分析了平移體掃描顯示系統的組成。At last the slices of pelvis model are used to simulate the imaging process of translational motion of swept - volume technique in 2d screen
最後本論文選用骨盆模型切片在二維屏幕上模擬平移體掃描顯示技術的成像過程。The scientists set up a mobile, noninvasive ct scanner in luxor to perform a full - body scan on the king ' s remains, obtaining about 1, 900 digital cross - sectional images
科學家們在盧科斯特設備了一架可移動的非侵害式的ct掃描儀,對這位法老王的遺體進行了一次全身掃描,建立了大約1900副有代表性的數字圖像。It is mainly composed of display unit and graphics engine
平移體掃描顯示系統主要包括顯示單元和圖像引擎兩大部分。In order to resolve the nonlinear distortion occurring in the course of image acquiring, first we apply affme transformation to adjust image, then recovery image by means of linear interleration algorithms
為了解決圖像掃描過程中出現的非線性畸變,首先運用仿射變換校正圖像象素位置發生的非線性移位,然後採用線性插值演算法進行圖像恢復。The camera can be set up to automatically capture images at preset intervals. burst and avi recording powerful burst recording function captures moving targets for sequences up to 20 minutes long
全屏數據的圖像能夠以25hz到0 . 5hz之間速率進行存儲,記錄時間在24秒至20分鐘內,尤其適合掃描移動的物體,如發動機,傳送帶分享友人