Academic literature on the topic 'Histogrammes de Gradient orienté'
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Journal articles on the topic "Histogrammes de Gradient orienté"
Li, Bin, Kaili Cheng, and Zhezhou Yu. "Histogram of Oriented Gradient Based Gist Feature for Building Recognition." Computational Intelligence and Neuroscience 2016 (2016): 1–9. http://dx.doi.org/10.1155/2016/6749325.
Full textMATSUMOTO, Yohei. "Ship Image Recognition using HOG." Journal of Japan Institute of Navigation 129 (2013): 105–12. http://dx.doi.org/10.9749/jin.129.105.
Full textDéniz, O., G. Bueno, J. Salido, and F. De la Torre. "Face recognition using Histograms of Oriented Gradients." Pattern Recognition Letters 32, no. 12 (September 2011): 1598–603. http://dx.doi.org/10.1016/j.patrec.2011.01.004.
Full textBrookshire, Jonathan. "Person Following Using Histograms of Oriented Gradients." International Journal of Social Robotics 2, no. 2 (March 6, 2010): 137–46. http://dx.doi.org/10.1007/s12369-010-0046-y.
Full textWu, Jiaxing, Zixuan Yang, and Ting Wang. "Histograms of Oriented Gradients for cats-dogs detection." Journal of Physics: Conference Series 1314 (October 2019): 012176. http://dx.doi.org/10.1088/1742-6596/1314/1/012176.
Full textKhalid, Madiha, Muhammad Murtaza Yousaf, Kashif Murtaza, and Syed Mansoor Sarwar. "Image de-fencing using histograms of oriented gradients." Signal, Image and Video Processing 12, no. 6 (March 12, 2018): 1173–80. http://dx.doi.org/10.1007/s11760-018-1266-0.
Full textWatanabe, Tomoki, Satoshi Ito, and Kentaro Yokoi. "Co-occurrence Histograms of Oriented Gradients for Human Detection." IPSJ Transactions on Computer Vision and Applications 2 (2010): 39–47. http://dx.doi.org/10.2197/ipsjtcva.2.39.
Full textBratanič, Blaž, Franjo Pernuš, Boštjan Likar, and Dejan Tomaževič. "Real-Time Rotation Estimation Using Histograms of Oriented Gradients." PLoS ONE 9, no. 3 (March 24, 2014): e92137. http://dx.doi.org/10.1371/journal.pone.0092137.
Full textLi, Bin, and Guang Huo. "Face recognition using locality sensitive histograms of oriented gradients." Optik 127, no. 6 (March 2016): 3489–94. http://dx.doi.org/10.1016/j.ijleo.2015.12.032.
Full textJebril, Noor A., Hussein R. Al-Zoubi, and Qasem Abu Al-Haija. "Recognition of Handwritten Arabic Characters using Histograms of Oriented Gradient (HOG)." Pattern Recognition and Image Analysis 28, no. 2 (April 2018): 321–45. http://dx.doi.org/10.1134/s1054661818020141.
Full textDissertations / Theses on the topic "Histogrammes de Gradient orienté"
Negri, Pablo Augusto. "Détection et reconnaissance d'objets structurés : application aux transports intelligents." Paris 6, 2008. http://www.theses.fr/2008PA066346.
Full textNorris, Michael K. "INCORPORATING HISTOGRAMS OF ORIENTED GRADIENTS INTO MONTE CARLO LOCALIZATION." DigitalCommons@CalPoly, 2016. https://digitalcommons.calpoly.edu/theses/1629.
Full textBui, Manh-Tuan. "Vision-based multi-sensor people detection system for heavy machines." Thesis, Compiègne, 2014. http://www.theses.fr/2014COMP2156/document.
Full textThis thesis has been carried out in the framework of the cooperation between the Compiègne University of Technology (UTC) and the Technical Centre for Mechanical Industries (CETIM). In this work, we present a vision-based multi-sensors people detection system for safety on heavy machines. A perception system composed of a monocular fisheye camera and a Lidar is proposed. The use of fisheye cameras provides an advantage of a wide field-of-view but yields the problem of handling the strong distortions in the detection stage.To the best of our knowledge, no research works have been dedicated to people detection in fisheye images. For that reason, we focus on investigating and quantifying the strong radial distortions impacts on people appearance and proposing adaptive approaches to handle that specificity. Our propositions are inspired by the two state-of-the-art people detection approaches : the Histogram of Oriented Gradient (HOG) and the Deformable Parts Model (DPM). First, by enriching the training data set, we prove that the classifier can take into account the distortions. However, fitting the training samples to the model, is not the best solution to handle the deformation of people appearance. We then decided to adapt the DPM approach to handle properly the problem. It turned out that the deformable models can be modified to be even better adapted to the strong distortions of the fisheye images. Still, such approach has adrawback of the high computation cost and complexity. In this thesis, we also present a framework that allows the fusion of the Lidar modality to enhance the vision-based people detection algorithm. A sequential Lidar-based fusion architecture is used, which addresses directly the problem of reducing the false detections and computation cost in vision-based-only system. A heavy machine dataset have been also built and different experiments have been carried out to evaluate the performances of the system. The results are promising, both in term of processing speed and performances
Venkatrayappa, Darshan. "Image matching using rotating filters." Thesis, Montpellier, 2015. http://www.theses.fr/2015MONTS200/document.
Full textNowadays computer vision algorithms can be found abundantly in applications relatedto video surveillance, 3D reconstruction, autonomous vehicles, medical imaging etc. Image/object matching and detection forms an integral step in many of these algorithms.The most common methods for Image/object matching and detection are based on localimage descriptors, where interest points in the image are initially detected, followed byextracting the image features from the neighbourhood of the interest point and finally,constructing the image descriptor. In this thesis, contributions to the field of the imagefeature matching using rotating half filters are presented. Here we follow three approaches:first, by presenting a new low bit-rate descriptor and a cascade matching strategy whichare integrated on a video platform. Secondly, we construct a new local image patch descriptorby embedding the response of rotating half filters in the Histogram of Orientedgradient (HoG) framework and finally by proposing a new approach for descriptor constructionby using second order image statistics. All the three approaches provides aninteresting and promising results by outperforming the state of art descriptors.Key-words: Rotating half filters, local image descriptor, image matching, Histogram of Orientated Gradients (HoG), Difference of Gaussian (DoG)
Wang, Benjamin. "Lip Detection and Adaptive Tracking." DigitalCommons@CalPoly, 2017. https://digitalcommons.calpoly.edu/theses/1695.
Full textVídeňský, František. "Počítačová podpora rozpoznávání a klasifikace rodových erbů." Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2017. http://www.nusl.cz/ntk/nusl-363773.
Full textHussain, Sibt Ul. "Apprentissage machine pour la détection des objets." Phd thesis, Université de Grenoble, 2011. http://tel.archives-ouvertes.fr/tel-00722632.
Full textBARBACENA, Marcell Manfrin. "Impacto da redução de taxa de transmissão de fluxos de vídeos na eficácia de algoritmo para detecção de pessoas." Universidade Federal de Campina Grande, 2014. http://dspace.sti.ufcg.edu.br:8080/jspui/handle/riufcg/413.
Full textMade available in DSpace on 2018-04-18T15:01:39Z (GMT). No. of bitstreams: 1 MARCELL MANFRIN BARBACENA - DISSERTAÇÃO PPGCC 2014..pdf: 1468565 bytes, checksum: b94d20ffdace21ece654986ffd8fbb63 (MD5) Previous issue date: 2014
Impulsionadas pela crescente demanda por sistemas de segurança para proteção do indivíduo e da propriedade nos dias atuais, várias pesquisas têm sido desenvolvidas com foco na implantação de sistemas de vigilância por vídeo com ampla cobertura. Um dos problemas de pesquisa em aberto nas áreas de visão computacional e redes de computadores envolvem a escalabilidade desses sistemas, principalmente devido ao aumento do número de câmeras transmitindo vídeos em tempo real para monitoramento e processamento. Neste contexto, o objetivo geral deste trabalho é avaliar o impacto que a redução da taxa de transmissão dos fluxos de vídeos impõe na eficácia dos algoritmos de detecção de pessoas utilizados em sistemas inteligentes de videovigilância. Foram realizados experimentos utilizando vídeos em alta resolução no contexto de vigilância com tomadas externas e com um algoritmo de detecção de pessoas baseado em histogramas de gradientes orientados, nos quais se coletou, como medida de eficácia do algoritmo, a métrica de área sob a curva de precisão e revocação para, em sequência, serem aplicados os testes estatísticos de Friedman e de comparações múltiplas com um controle na aferição das hipóteses levantadas. Os resultados obtidos indicaram que é possível uma redução da taxa de transmissão em mais de 70% sem que haja redução da eficácia do algoritmo de detecção de pessoas.
Motivated by the growing demand for security systems to protect persons and properties in the nowadays, several researches have been developed focusing on the deployment of widearea video coverage surveillance systems. One open research problem in the areas of computer vision and computer networks involves the scalability of these systems, mainly due to the increasing number of cameras transmitting real-time video for monitoring and processing. In this context, the aim of this study was to evaluate the impact that transmission data-rate reduction of video streams imposes on the effectiveness of people detection algorithms used in intelligent video surveillance systems. With a proposed experimental design, experiments were performed using high-resolution wide-area external coverage video surveillance and using an algorithm for people detection based on histograms of oriented gradients. As a measure of effectiveness of the people detection algorithm, the metric of area under the precision-recall curve was collected and statistical tests of Friedman and multiple comparisons with a control were applied to evaluate the hypotheses. The results indicated that it is possible to reduce transmission rate by more than 70% without decrease in the effectiveness of the people detection algorithm.
Chuang, Cheng-Hsiung. "Monocular Multi-Human Detection Using Augmented Histograms of Oriented Gradients." 2007. http://www.cetd.com.tw/ec/thesisdetail.aspx?etdun=U0001-2207200818083700.
Full textKuo, Pei-Jung, and 郭沛融. "Implementing Histograms of Oriented Gradients for Pedestrian Detection by FPGA." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/2sutds.
Full text國立臺北科技大學
電子工程系
106
A high precision and fast pedestrian detection system is always playing an important role in applications of driver assistant, surveilance systems. Recently, these kind of technology become more popular and widely used in our life. However, implementing a human detection system needs a reliable feature extraction algorithm to conquer interference from different kind of environments. As a result, our paper used Histogram of Oriented Gradient (HOG) algorithm to extract feature from computer vision images. Although HOG is so good at handling those issues, it still has a deadly disadvantage, it takes too much computation time. In order to achieve a fast and reliable pedestrian detection system, we used FPGA to implement HOG algorithm and simplified those complicated formula such as square root and arctangent operations. At last, we implement the proposed method on Altera Stratix IV platform with PCI Express interface and achieved 207 MHz operating frequency.
Book chapters on the topic "Histogrammes de Gradient orienté"
Xia, Qing, Hao-Dong Zhu, Yong Gan, and Li Shang. "Plant Leaf Recognition Using Histograms of Oriented Gradients." In Intelligent Computing Methodologies, 369–74. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-09339-0_38.
Full textMurali, Bala, Abhilash Akula, Ega Jeshwanth, and Thota Kalyan Kumar. "ID Card Detection Using Histograms of Oriented Gradients." In Second International Conference on Computer Networks and Communication Technologies, 728–34. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-37051-0_82.
Full textZaytseva, Ekaterina, Santi Seguí, and Jordi Vitrià. "Sketchable Histograms of Oriented Gradients for Object Detection." In Progress in Pattern Recognition, Image Analysis, Computer Vision, and Applications, 374–81. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-33275-3_46.
Full textWatanabe, Tomoki, Satoshi Ito, and Kentaro Yokoi. "Co-occurrence Histograms of Oriented Gradients for Pedestrian Detection." In Advances in Image and Video Technology, 37–47. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-540-92957-4_4.
Full textGuerrero, Pablo, Matías Pavez, Diego Chávez, and Sergio F. Ochoa. "Landmark-Based Histograms of Oriented Gradients for Facial Emotion Recognition." In Lecture Notes in Computer Science, 288–99. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-26410-3_27.
Full textAlt, Nicolas, Werner Maier, Qing Rao, and Eckehard Steinbach. "Semantic Interpretation of Novelty in Images Using Histograms of Oriented Gradients." In Intelligent Robotics and Applications, 427–36. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-33503-7_42.
Full textKar, Nikunja Bihari, Korra Sathya Babu, and Sanjay Kumar Jena. "Face Expression Recognition Using Histograms of Oriented Gradients with Reduced Features." In Advances in Intelligent Systems and Computing, 209–19. Singapore: Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-2107-7_19.
Full textHuang, Shih-Shinh, Hsin-Ming Tsai, Pei-Yung Hsiao, Meng-Qui Tu, and Er-Liang Jian. "Combining Histograms of Oriented Gradients with Global Feature for Human Detection." In Lecture Notes in Computer Science, 208–18. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-17829-0_20.
Full textPedersoli, Marco, Jordi Gonzàlez, Bhaskar Chakraborty, and Juan J. Villanueva. "Enhancing Real-Time Human Detection Based on Histograms of Oriented Gradients." In Advances in Soft Computing, 739–46. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-75175-5_91.
Full textLefakis, Leonidas, Horst Wildenauer, Manuel Pascual Garcia-Tubio, and Lech Szumilas. "Image-Based Grasping Point Detection Using Boosted Histograms of Oriented Gradients." In Lecture Notes in Computer Science, 200–209. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-13772-3_21.
Full textConference papers on the topic "Histogrammes de Gradient orienté"
Lu, Xiusheng, Shengping Zhang, Hongxun Yao, Xin Sun, and Yanhao Zhang. "Histograms of locally aggregated oriented gradients." In 2015 IEEE International Conference on Image Processing (ICIP). IEEE, 2015. http://dx.doi.org/10.1109/icip.2015.7351004.
Full textHao Wei, YongFa Ling, Xi Yang, and YuanXu Fu. "Selection of Bins on Histograms of Oriented Gradient." In 2013 6th International Symposium on Computational Intelligence and Design (ISCID). IEEE, 2013. http://dx.doi.org/10.1109/iscid.2013.69.
Full text"FACE RECOGNITION WITH HISTOGRAMS OF ORIENTED GRADIENTS." In International Conference on Computer Vision Theory and Applications. SciTePress - Science and and Technology Publications, 2010. http://dx.doi.org/10.5220/0002820503390344.
Full textMao, Ling, Mei Xie, Yi Huang, and Yuefei Zhang. "Preceding vehicle detection using Histograms of Oriented Gradients." In 2010 International Conference on Communications, Circuits and Systems (ICCCAS). IEEE, 2010. http://dx.doi.org/10.1109/icccas.2010.5581983.
Full textYang, Yazhou, Dan Tu, and Guangquan Cheng. "Image quality assessment using Histograms of Oriented Gradients." In 2013 Fourth International Conference on Intelligent Control and Information Processing (ICICIP). IEEE, 2013. http://dx.doi.org/10.1109/icicip.2013.6568137.
Full textSalhi, A. I., M. Kardouchi, and N. Belacel. "Histograms of fuzzy oriented gradients for face recognition." In 2013 International Conference on Computer Applications Technology (ICCAT 2013). IEEE, 2013. http://dx.doi.org/10.1109/iccat.2013.6522006.
Full textCun Hang, Fei Hu, Aboul Ella Hassanien, and Kai Xiao. "Texture-based rotation-invariant Histograms of Oriented Gradients." In 2015 11th International Computer Engineering Conference (ICENCO). IEEE, 2015. http://dx.doi.org/10.1109/icenco.2015.7416352.
Full textLian, Guoyun. "Pedestrian detection using quaternion histograms of oriented gradients." In 2020 IEEE International Conference on Power, Intelligent Computing and Systems (ICPICS). IEEE, 2020. http://dx.doi.org/10.1109/icpics50287.2020.9202071.
Full textOlsen, Alex, Sunghyu Han, Brendan Calvert, Peter Ridd, and Owen Kenny. "In Situ Leaf Classification Using Histograms of Oriented Gradients." In 2015 International Conference on Digital Image Computing: Techniques and Applications (DICTA). IEEE, 2015. http://dx.doi.org/10.1109/dicta.2015.7371274.
Full textDo, Thanh-Toan, and Ewa Kijak. "Face recognition using Co-occurrence Histograms of Oriented Gradients." In ICASSP 2012 - 2012 IEEE International Conference on Acoustics, Speech and Signal Processing. IEEE, 2012. http://dx.doi.org/10.1109/icassp.2012.6288128.
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