視距圖 的英文怎麼說
中文拼音 [shìjùtú]
視距圖
英文
stadia diagram-
This is new horizons ' best image of ganymede, jupiter ' s largest moon, taken with the spacecraft ' s long range reconnaissance imager ( lorri ) camera at 10 : 01 universal time on february 27 from a range of 3. 5 million kilometers ( 2. 2 million miles )
這是「新視野」拍攝的木衛三? ?木星最大衛星的最佳圖片,這是飛船的遠距勘查成像器( lorri )於2月27日從350萬千米處拍攝的。This paper is based on the projective geometry of computer vision and mainly made the research on the image - based distance measurement problems. the main research achievements are shown as the following : 1
本論文從計算機視覺中的射影幾何理論出發,圍繞基於圖像的距離測量問題展開研究,主要的研究內容和成果如下: 1Adding a view distance
加一個視圖的距離Internet2 is a collaborative effort initiated by the university corporation for advanced internet development ( ucaid ) of the us, which is a consortium comprising universities, network operators and computers vendors. it aims to develop advanced internet technologies to significantly improve the performance of the internet, so as to enable the operation of advanced internet applications such as video broadcasting and conferencing, distance learning, tele - medicine, digital library of innovative contents, etc
Internet2是由美國的universitycorporationforadvancedinternetdevelopment發動,其組織成員包括大學、網路營運商及電腦供應商,目標是開發先進的網際網路技術,以大幅度改進網際網路的能效,讓視像廣播、視像會議、遙距學習、遙距醫療工作及數碼圖書館等先進網際網路技術可以順利運作。According to the characteristic of ieee 1394 with wide bandwidth, common and real - time, the author put forward ieee 13 94 should be applied into real - time digital video transfer in optics - electronics theodolite. before engineering realization, carried out a video image transfer test on three types of digital video tape recorders and camera with ieee 1394 interface. we found that digital videos without compression transfered under ieee 1394 standard ( transfer from 4. 5m to 100m ), compared with analog videos, have no geometric distortion, and have better luminance, contrast, definition
作為工程實現前的實驗研究,對三類具有ieee1394介面的數字錄像機和攝像機進行了視頻圖像傳輸實驗,發現無壓縮格式的按ieee1394標準傳輸的數字視頻圖像(傳輸距離從4 . 5米到100米之間) ,較原始模擬視頻圖像在幾何位置信息上沒有衰變,而在亮度、對比度、邊緣清晰度這些方面有明顯的優勢;但是按dvcam壓縮格式(常見于sony公司的系列產品,是5 : 1的dct幀內壓縮)壓縮的數字視頻圖像,較原始模擬參照圖像有明顯的幾何畸變。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Telemedicine as a new technology appear after widely using of internet and computer application technology. it provide long distance diagnose, information serves and long distance education by transferring medicinal data, image, video. hhce ( home health care engineering ) is popular tendency of telemedicine
它以計算機和網路為基礎,針對醫療資料(包括數據、文本、圖片和聲像資料) ,進行遠距離視頻、音頻信息傳輸、存儲、查詢及顯示,實現遠程診斷、信息服務、遠程教育等多種功能。The system involves with capture image, control rotary platform and laser range finder
本文提出的系統涉及圖像監視,轉臺及激光測距儀的控制等功能。A modified range - doppler algorithm for spaceborne sar with large squint angle is presented and the quality of images of simulated point target echoes gained by two algorithms are list in the paper
提出了一種適合大斜視角星載sar系統的改進距離多普勒演算法,並給出了處理模擬點目標數據得到圖像質量的比較。Based on the digital simulation and model analysis, the anomaly characterization of apparent resistivity section obtained by the sounding at different positions, and the relationship between electrode space and exploration depth were summarized
根據理論模型的數值模擬結果,總結了地質異常體在不同觀測方位巷道電測深視電阻率斷面圖上的異常特徵及電極距與探測距離間的關系。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。The paper achieves capture image and show in lcd, at the same time, the system can communicate between operation system and laser range finder, rotary platform
在video4linux標準的框架內實現了監視圖像的採集及lcd顯示。實現了系統與激光測距儀及轉臺的交互,為測距演算法實現提供了所需的數據。The limitations of current video technology, however, mean that the quality of the visual experience of the real world is significantly decreased, essentially to the level of the synthesized graphics, with everything focusing at the same apparent distance
然而,現有視訊技術仍有其限制,它所呈現的真實世界的視覺品質還相當差,甚至會降到合成圖像的水準,因為虛擬和實體的所有視覺焦點都在相同距離上。Firstly, the paper, combining the characteristic of synchronous pulse bursts and inhibition with the modified pcnn model, presents a way of finding the foveation points in the images adaptively and effectively, and simulates the human vision system. secondly, pcnn is extended to pcnns, based on the properties of information couple and transmission, an algorithm that is used to fuse images of the same target got by several sensors to an image is presented to simulate the human vision system. thirdly, combining the properties of synchronous pulse bursts, capture, and transmission and competition of waves, the paper presents two ways of classification, one is an algorithm based on the properties of neuron to capture and inhibit to classify the data taking on any complex unlinear distribution robustly, the other is based on the restricted distance and modified of the former to remove the influence of inferior samples in classification ; fin ally, based on the accumulative difference pictures, and the forming and transmission of pcnn wave, selecting and controlling the direction of autowave by connecting the neighbouring neurons selectively, the paper presents a way to simulate the tracks of moving object and detect the moving direction
首先結合pcnn的同步脈沖發放和側抑制特性,提出了基於改進型pcnn的圖像凹點檢測演算法,該演算法是一種自適應而有效的圖像凹點檢測方法,並且較好地模擬了人類視覺系統;然後,結合信息傳遞和信息耦合特性,將pcnn擴展成pcnns ( pcnn網路群) ,提出了一種基於pcnns的圖像融合演算法,能夠將多個傳感器獲取的同一目標的圖像信息融合到一幅圖像中,有效模擬了人類視覺系統;另外,結合pcnn的同步脈沖發放特性、捕獲特性和波的傳播競爭特性,開拓地將pcnn用於模式分類中,提出了基於耦合神經元點火捕獲抑制特性的分類方法和改進的約束距離下的pcnn分類方法,前者可實現對樣本空間中任意復雜分佈訓練樣本的穩健非線性分類,而後者能夠消除訓練樣本中刺點對分類的影響;最後,結合累積差分圖像思想、 pcnn波的形成與傳播特性,通過各神經元之間連接取向來選擇與控制自動波的流向,將pcnn用於運動視覺分析中的運動軌跡模擬及運動方向檢測。“ semantic gap ” is the gulf between the low - level image visual feature and high - level concepts, the images can be different of semantic concept while having similar visual feature, and they can also be different of visual feature while having the same concept
「語義鴻溝」是指圖像的低級視覺特徵和高級語義特徵之間的差距,由計算機計算出來的低級特徵的相關性很難說明圖像在語義層上的相似性,語義層上的相似性也無法證明低級特徵的相關性。A visual device with the function of pitching and tilt and a control system to camera with the function to adjust the aperture and focus in time have designed as well as a processor of image to capture, process and matching have been also designed
基於主動視覺,設計了一個具有上下俯仰、水平轉動的視覺裝置,和能夠實時調整光圈、焦距等成像參數的攝像頭控制系統。建立了一個能夠進行實時圖像採集、圖像處理,目標匹配的圖像處理系統。Research on camera calibration and plane measurement from a single view
單目視圖下相機標定和平面測距研究Meanwhile, in 3d - scene, some functions of spatial analysis and interactive operations have been realized. and, a testing application system of 3dcm is developed, which includes tin model construction, the creation of contour, spatial coordinate query, section - cutting, measuring distance and area, 3d visualization and operation about topography and building etc. the purpose of developing testing system is to demonstrate the correctness of 3dcm based on the visualization. finally, the result of the testing and 3dgis research direction is put forward to investigate generally
另外,在三維模型的可視化場景中,實現了一些3dgis的交互操作和空間分析功能,結合論文的目標,開發了一個實驗系統,對三維城市的建模方法進行了論證,實現了dem模型的快速構建及等高線的追蹤和地圖分幅,實現了三維城市模型的可視化,在可視化的基礎上實現了部分空間交互操作和空間分析,如:空間坐標查詢、斷面切割、距離和面積量算、建築物屬性查詢、三維動態漫遊等。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。- ii - abstract based on computer vision theory and technology, a detection and retrieval approach of road and target barrier images is discussed and to the detected target, a method computing the relative radial distance in structured road is presented
本文利用計算機視覺理論和技術,討論了一種道路和目標(車輛)的視覺圖像檢測和提取的方法。對已檢測出的前方目標,給出了在結構化道路上進行相對徑向距離的計算方法。分享友人