視距鏡 的英文怎麼說
中文拼音 [shìjùjìng]
視距鏡
英文
anallatic lens-
Whereas art historians will dilate on the symbolism of capturing the visual world in the convex mirror prominently displayed on the rear wall, i will be concerned instead with its optical properties, such as its focal length and light - gathering power
藝術史學者會注意後面墻上那面醒目的凸面鏡,對它捕捉了視覺世界的象徵意義加以熱烈討論,而我則會專注於它的光學特性,如焦距與聚光能力。In the retrofocus project, a retrofocus structure with two elements is used in the object lens to enlarge fov and back working distance, in the head of which the negative meniscus have the effect of balancing aberration and deviating rays like a prism. and a standard hyperhemisphere immersion lens with high refractive index is put behind the object lens to satisfy the receiving of a detector with smaller photosensitive
反遠距設計方案中物鏡採用二片式反遠距結構,增大了視場和后工作距離,彎月型負透鏡在前,具有平衡像差和棱鏡的偏向作用;物鏡後放置高折射率標準超半球型浸沒透鏡,滿足小光敏面探測器接收。In the application of mini - micro - robot visual perception, there is a need for fish - eye lenses for capturing wide field of view for navigation. though fish - eye lenses provide a wide field of view ( 180 ), they introduce significant distortion in images and the acquired images are quite warped, which makes conventional camera calibration algorithms no longer work well. this paper presents an accurate calibration framework for fish - eye lens ( a high distortion lens ) camera stereo vision system. the accurate calibration model is formulated with radial distortion, decentering distortion and thin prism distortion based on the fisheye deformation model. using fish - eye and non - linear camera model, the author employs levenberg - marquardt method to realize precise non - linear calibration for wide - view - scene dense depth image recovery
魚眼鏡頭成像立體視覺系統在微小型機器人視覺導航和近距離大視場物體識別與定位中有著廣泛的應用.盡管魚眼鏡頭攝像機具有很大的視場角(接近180 ) ,但同時也引入嚴重的圖像變形,常規的攝像機標定方法無法使用.該文提出一種標定魚眼鏡頭攝像機立體視覺系統的方法.在魚眼鏡頭變形模型的基礎上,通過考慮魚眼鏡頭成像的徑向變形、偏心變形和薄棱鏡變形,建立了魚眼鏡頭成像的精確成像模型,然後,利用非線性迭代演算法,精確求解攝像機外部參數、內部參數.實驗表明,使用該方法得到的立體視覺系統參數滿足精確恢復大場景稠密深度圖的要求The principle 、 configuration and characteristics of the measure and control system in the grinding circuit with hydrocyclone classifier are introduced. the function and application result of the measure and control system are discussed with practical application
本文介紹了井下進行采區控制導線的測量時,在前、后視點懸掛棱鏡進行光電測距的方法及應用情況。The choice of lens depends on the area to be photographed
鏡頭焦距須視乎拍攝范圍的闊窄而定。The aspheric optical element has many merits, for example, correcting optical aberrations, improving image quality, extending range of action, simplifying system organization, reducing the cost and reducing weight
現代光學系統中大量採用非球面鏡以矯正像差、改善像質、擴大視場、增大作用距離、簡化光學系統結構、降低成本、減輕重量。A range in relation to an optical system, such as a camera lens, representing distances great enough that light rays reflected from objects within the range may be regarded as parallel
(聚焦區)無限遠與光學系統(如照像鏡頭)有關的一個范圍,表示距離是如此之遠,以至於從在這一距離的物體上反射回來的光可以視為平行光線The paper has introduced a new means on the automatic focus that take advantage of the video peak to change the position of the focusing lens to achieve a clear picture
摘要介紹了一種新型的自動調焦的方法,它利用電視跟蹤系統視頻信號的峰值變化控制調焦鏡組,來調整由於目標距離、溫度等變化引起的成像焦面變化,得到清晰圖像,完成電視自動調焦。It can also have video camera with a zoom lens that is linked to a video display attached to the soldier ' s helmet, allowing him to aim accurately without exposing himself to enemy return fire
它還能配置帶有可變焦距鏡頭的攝像機,這種鏡頭與接在士兵頭盔上的視頻顯示器相連,從而使他能精確瞄準而不致於在敵人還擊火力下暴露自己。Some of the observer errors associated with timing over a measured length may be overcome by the use of the enoscope.
觀測員在測定車輛通過已知距離的時間中所發生的誤差,可利用一種人形視車鏡加以消除。The variable - focus liquid microlens based on electrowetting on dielectric ( ewod ), which has the outstanding advantages of simple structures, low power dissipation, easily tunable of focal length, etc., is most attractive
在提出的各種新型的可變焦微透鏡技術中,基於介質上電潤濕的微流體透鏡由於其結構簡單、功耗低、調節焦距方便等眾多突出的優點而被人們所重視。The choice of lens depends on the size and brightness of the celestial body photographed. lenses ranging from fisheye to super telephoto can all be used
鏡頭的選擇視乎所拍攝天體的范圍大小與光暗而定,魚眼鏡頭乃至超長焦距鏡頭都可派上用場。The second property concerns the brightness of a projected image, which depends on the focal length and facial, or surface, area of the imaging mirror
第二項考慮的特性是投影的明亮度,這要視焦距與鏡面(鏡子的表面)而定。The paper mainly researches the basic work of computer vision controlling the manipulators on the system of harvesting tomatoes that is how to recognize the tomatoes from the complex background and move the video lens towards to the centers of tomatoes, then measure the distance between the lens and tomatoes by laser, and finally control the manipulators to harvest the tomatoes
本論文主要研究計算機視覺控制的機械手系統在番茄收獲系統中的應用,即如何迅速、準確地從復雜背景中識別出番茄,然後移動攝像機鏡頭對準番茄中心,用激光測距的方法測得攝像頭至番茄的距離,從而控制機械手收獲番茄。主要研究番茄和葉子的識別問題。How to improve the three primary colors led light source cavity, polarizing beam splitter system of civil lcos hmd is discussed in this paper. in addition, a new eyepiece optical system with wide fov ( field of view ) 、 big exit pupil 、 long eye relief is also designed by an optical design program named zemax. the result is very successful
本文對民用lcos頭盔微顯示器的led三基色光源及其腔體、偏振分光系統進行了改進,藉助zemax光學設計軟體輔助設計出了大視場、大出瞳直徑、長出瞳距離的目鏡放大光學系統,獲得了十分理想的效果。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。Inability to read at a distance of 23 metres in good daylight with the aid of spectacles or other corrective lenses, if worn a registration mark
不能在白天充足光線下讀出與他相距23米的登記號碼(有需要者在配戴眼鏡或其他矯正視力鏡片作為協助,仍不能讀出) 。Inability to read at a distance of 23 metres in good daylight ( with the aid of spectacles or other corrective lenses, if worn ) a registration mark
不能在白天充足光線下讀出與他相距23米的登記號碼(有需要者在配戴眼鏡或其他矯正視力鏡片作為協助,仍不能讀出) 。You must wear glasses if you need them to meet the driving test standard - to read at a distance of 23m in good daylight a vehicle number plate
駕駛人如須戴上眼鏡,才能達到駕駛考試的視力標準即在充足光下,可清楚讀出與他相距23米的車牌號碼,就必須戴上眼鏡。A lens is primarily defined by its focal length. figure 4 illustrates the relationship between the focal length of the lens, field of view, sensor size, and working distance
一個鏡頭的基礎定義是其焦距,圖4圖示出鏡頭焦距,視野,感應器大小,和工作距離間之關系。分享友人