Academic literature on the topic 'Epipolar constraint'
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Journal articles on the topic "Epipolar constraint"
Xu, Yang, Jun Peng, Wentao Yu, Yuan Fang, and Weirong Liu. "Three-Step Epipolar-Based Visual Servoing for Nonholonomic Robot with FOV Constraint." Journal of Applied Mathematics 2014 (2014): 1–14. http://dx.doi.org/10.1155/2014/638539.
Full textHe, Qing, Ning Wei, Wei Liu, Chao Hu, and Q. H. Meng. "Enhanced Epipolar Constraint for Point Correspondence in Computer Vision System." Applied Mechanics and Materials 58-60 (June 2011): 1871–76. http://dx.doi.org/10.4028/www.scientific.net/amm.58-60.1871.
Full textWei, Ning, Chao Hu, Qing He, Wei Liu, and Q. H. Meng. "Angle Constraints for Point Correspondence in Multi-Ocular Vision." Applied Mechanics and Materials 58-60 (June 2011): 1384–89. http://dx.doi.org/10.4028/www.scientific.net/amm.58-60.1384.
Full textHosseinyalamdary, S., and A. Yilmaz. "Motion Vector Field Estimation Using Brightness Constancy Assumption and Epipolar Geometry Constraint." ISPRS Annals of Photogrammetry, Remote Sensing and Spatial Information Sciences II-1 (November 7, 2014): 9–16. http://dx.doi.org/10.5194/isprsannals-ii-1-9-2014.
Full textSun, Xue Qi, Ming Li Dong, and Jun Wang. "Matching Algorithm of Binocular Dynamic Vision Measurement." Applied Mechanics and Materials 278-280 (January 2013): 764–70. http://dx.doi.org/10.4028/www.scientific.net/amm.278-280.764.
Full textZhang, Ke, and Zhao Gao. "The Technology of Fast 3D Reconstruction Based on Stereo Vision." Key Engineering Materials 579-580 (September 2013): 654–58. http://dx.doi.org/10.4028/www.scientific.net/kem.579-580.654.
Full textGong, D., Y. Han, and L. Zhang. "QUANTITATIVE ASSESSMENT OF THE PROJECTION TRAJECTORY-BASED EPIPOLARITY MODEL AND EPIPOLAR IMAGE RESAMPLING FOR LINEAR-ARRAY SATELLITE IMAGES." ISPRS Annals of Photogrammetry, Remote Sensing and Spatial Information Sciences V-1-2020 (August 3, 2020): 89–94. http://dx.doi.org/10.5194/isprs-annals-v-1-2020-89-2020.
Full textZhang, Qian Qian, Ming Li Dong, Peng Sun, and Jun Wang. "Automatic Matching Based on Dynamic Threshold in Close-Range Photogrammetry." Advanced Materials Research 418-420 (December 2011): 1973–79. http://dx.doi.org/10.4028/www.scientific.net/amr.418-420.1973.
Full textLehtola, Ville, Matti Kurkela, and Petri Rönnholm. "Radial Distortion from Epipolar Constraint for Rectilinear Cameras." Journal of Imaging 3, no. 1 (January 24, 2017): 8. http://dx.doi.org/10.3390/jimaging3010008.
Full textLiu, Xiaochen, and Suping Fang. "Correcting large lens radial distortion using epipolar constraint." Applied Optics 53, no. 31 (October 27, 2014): 7355. http://dx.doi.org/10.1364/ao.53.007355.
Full textDissertations / Theses on the topic "Epipolar constraint"
Rodríguez, López Antonio Leonardo. "Restricciones algebraicas epipolares para estimación visual eficiente de movimiento sin la estructura 3D = Algebraic epipolar constraints for efficient structureless multiview motion estimation." Doctoral thesis, Universidad de Murcia, 2013. http://hdl.handle.net/10803/124041.
Full textIn this work we propose GEA (Global Epipolar Adjustment), a high-performance structureless BA correction method based on algebraic epipolar constraints. The GEA cost can be optimized very efficiently, in most cases using a small fraction of the time required by BA to obtain the optimal configuration. Despite of the algebraic nature of the cost, under general circumstances the accuracy of the obtained camera poses is very close to that obtained with classical BA methods. We also describe how to obtain accurate initializations for the camera poses incrementally using GEA and pairwise image feature correspondences, without requiring the composition of feature trackings or triangulation of scene landmarks. The resulting camera poses can be used afterwards to obtain highly accurate sparse or dense estimations of the scene structure. The techniques described are robust against outliers found by common pairwise image matching techniques.
Val, Petran. "BINOCULAR DEPTH PERCEPTION, PROBABILITY, FUZZY LOGIC, AND CONTINUOUS QUANTIFICATION OF UNIQUENESS." Case Western Reserve University School of Graduate Studies / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=case1504749439893027.
Full textMauricio, Emanuel Adelino Ferreira. "Localização de capsula endoscópica utilizando informação visual." Master's thesis, 2018. http://hdl.handle.net/10316/86666.
Full textA utilidade das imagens capturadas num exame de endoscopia por cápsula endoscópica depende não só da informação contida na imagem como também da capacidade de localizar a mesma imagem no interior do sistema digestivo. É objectivo desta dissertação estimar a pose relativa de uma cápsula endoscópica multi-câmara panorâmica a partir das imagens utilizando métodos geométricos. A cápsula utilizada foi a CapsoCam SV2 da CapsoVision que possui quatro câmaras dispostas radialmente. O modelo da câmara generalizada e a restrição epipolar generalizada (REG)foram utilizados para estimar a pose relativa entre cada frame. Foi utilizado o algoritmo dos 17 pontos, a solução iterativa de Kneip e o algoritmo dos 17 pontos RANSAC para solucionar a REG. A integração das poses relativas permite criar um modelo do 3d do sistema digestivo onde cada fotografia pode ser localizada acrescentando uma dimensão extra ao exame médico.Uma parte substancial do trabalho foi dedicada ao desenvolvimento de dois simuladores distintos de um sistema multi-câmara análogo ao utilizado pela cápsula utilizada. O primeiro simulador pretende simular a projecção de pontos 3d definidos num sistema de coordenadas global no plano de imagem normalizado, desta forma a imagem consiste em pontos 2d em que a correspondência é conhecida à priori e não é necessário trabalhar com imagens RGB. A segunda simulação gera imagens RGB utilizando as propriedades do MATLAB de modo a aproximar os dados gerados com os dados reais obtidos com a cápsula.A configuração do sistema visual dos simuladores pode ser alterada facilmente. É possível adicionar ou remover câmaras e modificar os parâmetros intrínsecos e extrínsecos de cada câmara.Foi feita uma analise detalhada das imagens capturadas pela cápsula CapsoCam SV2 no que diz respeito à densidade de pontos de interesse (features), qualidade das correspondências entre features, redundâncias na imagem, continuidade de numero de features. Foram realizados realizados vários testes de laboratório fotografando vários padrões de xadrez com dimensões conhecidas com o objectivo de calibrar cada câmara separadamente. Os parâmetros intrínsecos de cada câmara foram estimados com o resultados pouco positivos. As poses relativas estimadas obtiveram erros de projecção muito grandes o que impossibilitou o cumprimento do objectivo. Contudo a analise realizada às imagens e os simuladores criados contribuíram muito para que num futuro próximo seja possível estimar a pose com uma precisão aceitável.
The information extracted from images captured by an endoscopic capsule is as useful as the capability to locate the portion of intestine being imaged. The relative pose estimation of a multi-camera endoscopic capsule with a 360 degree panoramic field of view, using the captured images is the objective of this dissertation. We used the CapsoCam SV2 from CapsoVision as the object of study. Using the generalized camera model and the generalized epipolarconstraint (GER) to determine the relative motion of the capsule between each frame. To compute a solution to the GER we used the 17 point algorithm, the Kneip solution and the 17 point RANSAC algorithm from the openGV library. The integration of the successive relative motions and the 3d reconstruction gives us a 3d model of the gastrointestinal track and the path taken by the device. This way we can determine where each photo as been taken adding an extra dimension to the medical exam. A substantial part of this work was dedicated to the development of two different simulations of a multi-camera system analogous to the CapsoCam SV2. This first simulation works as a simple projection of 3d points, defined in a global coordinate system, projected to the normalized image plane of each camera. This way the simulated image consists of 2d points where the correspondence between frames is known and we can apply the relative pose estimation algorithms directly. The second simulation generates RGB images using the full MATLABprotective space capabilities approximating the simulated and real data. The configuration of the visual system can easily be changed in both simulators. It is possible to change the intrinsic and extrinsic parameters of each camera and the number of cameras of the system. A detailed analysis to the images taken by the CapsoCam SV2 was also in scope of this dissertation, mainly the feature density, feature matching quality, image redundancy and correspondence continuity. Several tests were undertaken to calibrate each individual camera by taking photographs of checkerboard patterns with known dimensions. Each camera intrinsic parameters were calibrated successfully. Still, the estimated relative poses resulted in huge reprojectionerrors which means we did not meet the objective. The image analysis and the simulators provide a great contribution to the advancement towards the objective.
Chiou, Ming-Jang, and 邱明璋. "Moving Object Detection and Tracking Using Monocular Vision Based on Epipolar Constraints." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/49513279276141856835.
Full text淡江大學
機械與機電工程學系碩士班
99
In this thesis, the visual simultaneous localization, mapping and moving object tracking (SLAMMOT) is developed using the extended Kalman filter (EKF). The research is divided into two parts: first, one monocular vision is utilized as the only sensor for the SLAMMOT system. The camera calibration is replaced by an image correction model to simplify the linearization derivation of the measurement equation in state estimation. Second, the algorithm of moving object detection (MOD) is developed based on the constraint condition of static image features on the epipolar line. We also develop the procedures of data association and map management for the SLAM task with moving objects. Finally, the EKF SLAMMOT with the proposed algorithm is implemented on a monocular vision system. The integrated system has successfully tested the basic capabilities of SLAM, including loop-closure, ground truth, long-distance navigation, and moving object detection and tracking for the system in the indoor environment.
Book chapters on the topic "Epipolar constraint"
Zhang, Zhengyou. "Epipolar Constraint." In Computer Vision, 247. Boston, MA: Springer US, 2014. http://dx.doi.org/10.1007/978-0-387-31439-6_127.
Full textMohamed, Mahmoud A., M. Hossein Mirabdollah, and Bärbel Mertsching. "Monocular Epipolar Constraint for Optical Flow Estimation." In Lecture Notes in Computer Science, 62–71. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-68345-4_6.
Full textMohamed, Mahmoud A., M. Hossein Mirabdollah, and Bärbel Mertsching. "Differential Optical Flow Estimation Under Monocular Epipolar Line Constraint." In Lecture Notes in Computer Science, 354–63. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-20904-3_32.
Full textYi, Meng, Yan Chu, and Yunyi Yan. "Precision Mosaicking of Multi-images Based on Conic-Epipolar Constraint." In Advances in Intelligent Systems and Computing, 555–63. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-07773-4_55.
Full textBrodský, Tomáš, Cornelia Fermüller, and Yiannis Aloimonos. "Beyond the Epipolar Constraint: Integrating 3D Motion and Structure Estimation." In 3D Structure from Multiple Images of Large-Scale Environments, 109–23. Berlin, Heidelberg: Springer Berlin Heidelberg, 1998. http://dx.doi.org/10.1007/3-540-49437-5_8.
Full textTola, Engin, and A. Aydın Alatan. "Fast Outlier Rejection by Using Parallax-Based Rigidity Constraint for Epipolar Geometry Estimation." In Multimedia Content Representation, Classification and Security, 578–85. Berlin, Heidelberg: Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/11848035_76.
Full textXie, Ming, and Lai Yuan Liu. "Color stereo vision: Use of appearance constraint and epipolar geometry for feature matching." In Recent Developments in Computer Vision, 255–64. Berlin, Heidelberg: Springer Berlin Heidelberg, 1996. http://dx.doi.org/10.1007/3-540-60793-5_80.
Full textFeldmann, Anton, Lars Krüger, and Franz Kummert. "An Evaluation on Estimators for Stochastic and Heuristic Based Cost Functions Using the Epipolar-Constraint." In Computer Vision/Computer Graphics Collaboration Techniques, 40–50. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-24136-9_4.
Full textDey, Soumyabrata, Vladimir Reilly, Imran Saleemi, and Mubarak Shah. "Detection of Independently Moving Objects in Non-planar Scenes via Multi-Frame Monocular Epipolar Constraint." In Computer Vision – ECCV 2012, 860–73. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-33715-4_62.
Full textÅström, Kalle, Roberto Cipolla, and Peter J. Giblin. "Generalised epipolar constraints." In Lecture Notes in Computer Science, 95–108. Berlin, Heidelberg: Springer Berlin Heidelberg, 1996. http://dx.doi.org/10.1007/3-540-61123-1_130.
Full textConference papers on the topic "Epipolar constraint"
Ondrej Chum, T. Werner, and J. Matas. "Epipolar geometry estimation via RANSAC benefits from the oriented epipolar constraint." In Proceedings of the 17th International Conference on Pattern Recognition, 2004. ICPR 2004. IEEE, 2004. http://dx.doi.org/10.1109/icpr.2004.1334020.
Full textAbhishek, Anand, and K. S. Venkatesh. "Planar epipolar constraint for UAV navigation." In 2015 International Conference on Signal Processing, Computing and Control (ISPCC). IEEE, 2015. http://dx.doi.org/10.1109/ispcc.2015.7375036.
Full textLiansheng, Sui, Zhang Jiulong, and Cui Duwu. "Image Rectification Using Affine Epipolar Geometric Constraint." In 2008 International Symposium on Computer Science and Computational Technology. IEEE, 2008. http://dx.doi.org/10.1109/iscsct.2008.76.
Full textDen Hollander, R., D. J. De Lange, and K. Schutte. "Super-resolution of faces using the epipolar constraint." In British Machine Vision Conference 2007. British Machine Vision Association, 2007. http://dx.doi.org/10.5244/c.21.42.
Full textShen, X., P. Palmer, P. McLauchlan, and A. Hilton. "Error Propogation from Camera Motion to Epipolar Constraint." In British Machine Vision Conference 2000. British Machine Vision Association, 2000. http://dx.doi.org/10.5244/c.14.55.
Full textZhang, Jing, Chang-shun Wang, and Wu-ling Liao. "An Epipolar Geometry Constraint Based View Synthesis Algorithm." In 2009 2nd International Congress on Image and Signal Processing (CISP). IEEE, 2009. http://dx.doi.org/10.1109/cisp.2009.5302585.
Full textHuynh, Loc, Jongmoo Choi, and Gerard Medioni. "Aerial Implicit 3D Video Stabilization Using Epipolar Geometry Constraint." In 2014 22nd International Conference on Pattern Recognition (ICPR). IEEE, 2014. http://dx.doi.org/10.1109/icpr.2014.600.
Full textDomke, Justin, and Yiannis Aloimonos. "A Probabilistic Notion of Correspondence and the Epipolar Constraint." In Third International Symposium on 3D Data Processing, Visualization, and Transmission (3DPVT'06). IEEE, 2006. http://dx.doi.org/10.1109/3dpvt.2006.18.
Full textMonda, Mark J., and Craig A. Woolsey. "Pose estimation from visual measurements using the epipolar constraint." In 2010 49th IEEE Conference on Decision and Control (CDC). IEEE, 2010. http://dx.doi.org/10.1109/cdc.2010.5718182.
Full textSteinbach, Eckehard G., Bernd Girod, and Subhasis Chaudhuri. "Data-driven structure from motion using the epipolar corridor constraint." In Electronic Imaging '97, edited by Jan Biemond and Edward J. Delp III. SPIE, 1997. http://dx.doi.org/10.1117/12.263267.
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