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61. Removal of subtitles and logo from video | Graphics and Media Lab
... About lab . ... Courses . ... Online Journal "Computer graphics and multimedia" (in russian) . ... MSU Graphics & Media Lab (Video Group) . The filter is intended to remove subtitles, logos and other static opaque objects from video. ... Motion compensation for correct background reconstruction after logo removal. ... Example in AVI (DivX4) video and comparison with LogoAway & X-Logo filters (1.5 MB) . Detailed description of MSU Subtile&Logo Remover filter . ... video@graphics.cs.msu.ru . ...
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Ссылки http://graphics.cs.msu.ru/en/science/research/objectsvideo/logoremover -- 11.8 Кб -- 09.04.2016
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62. Automatic Binary Segmentation of Moving Objects in Video | Лаборатория
... Поступление в лабораторию . ... Электронный журнал "Компьютерная графика и мультимедиа" . ... MSU Graphics & Media Lab (Video Group) . Algorithm performs detection and tracking of foreground objects. Each frame of video sequence is subdivided into regions of two types: foreground and background objects. ... The main obstacle for segmentation here is the abundance of highly textured objects and sophisticated character of motion (bus is moving behind the static fence). ... Segmentation result . ...
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Ссылки http://graphics.cs.msu.ru/ru/science/research/objectsvideo/autobinary -- 14.2 Кб -- 09.04.2016
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63. Automatic Binary Segmentation of Moving Objects in Video | Graphics and Media
... About lab . ... Online Journal "Computer graphics and multimedia" (in russian) . ... MSU Graphics & Media Lab (Video Group) . Algorithm performs detection and tracking of foreground objects. Each frame of video sequence is subdivided into regions of two types: foreground and background objects. ... The main obstacle for segmentation here is the abundance of highly textured objects and sophisticated character of motion (bus is moving behind the static fence). ... video@graphics.cs.msu.ru . ...
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Ссылки http://graphics.cs.msu.ru/en/science/research/objectsvideo/autobinary -- 13.3 Кб -- 09.04.2016
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64. Videocodecs tuning | Лаборатория компьютерной графики и мультимедиа
... Электронный журнал "Компьютерная графика и мультимедиа" . ... One of the main tasks during codec's development and tuning is evaluation of compressed video quality and measurements' data management. ... Some of our publicly available codecs comparison reports are located and can be freely downloaded from MSU videocodecs comparison webpage. x264 is a freeware codec of MPEG-4 AVC/H.264 standard. A number of codec comparisons including our own show that x264 currently is one of the best H.264 codecs. ...
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Ссылки http://graphics.cs.msu.ru/ru/science/research/videocompression/tuning -- 12.3 Кб -- 09.04.2016
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65. Videocodecs tuning | Graphics and Media Lab
... About lab . ... One of the main tasks during codec's development and tuning is evaluation of compressed video quality and measurements' data management. ... Some of our publicly available codecs comparison reports are located and can be freely downloaded from MSU videocodecs comparison webpage. x264 is a freeware codec of MPEG-4 AVC/H.264 standard. ... Example of x264 parameters analysis . Another our project related with x264 codec is analysis and improvement of codec's initial parameters. ...
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Ссылки http://graphics.cs.msu.ru/en/science/research/videocompression/tuning -- 11.4 Кб -- 09.04.2016
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66. Point Cloud Classification | Graphics and Media Lab
... About lab . ... We develop algorithms for analysis of 3D point clouds obtained by laser scanners (LiDARs), specifically we address the problem of semantic segmentation. ... It uses local point features as well as contextual information. ... First, a spatial index is built over test/train set via the LidarK library , which also defines over-segmentation. ... GML LidarK Library the library used for spatial index and segmentation Point Cloud Library an open-source library for 3D point cloud processing ...
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Ссылки http://graphics.cs.msu.ru/en/science/research/3dpoint/classification -- 14.8 Кб -- 09.04.2016
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67. Robust Estimation | Лаборатория компьютерной графики и мультимедиа
... Поступление в лабораторию . ... Электронный журнал "Компьютерная графика и мультимедиа" . ... The estimation method is called robust if it can give accurate results in presence of noise and outliers. ... RANSAC-based methods turned out to be the most convenient tool for such problems as multiple-view relation estimation and camera calibration. ... But in such tasks as sequential camera pose estimation for image sequences, the noise is accumulated and its value is unknown. ...
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Ссылки http://graphics.cs.msu.ru/ru/science/research/machinelearning/robust -- 14.2 Кб -- 09.04.2016
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68. Robust Estimation | Graphics and Media Lab
... The problem is complicated due to the presence of noise and ouliers, which are the part of the data that has not been generated by estimated model. The estimation method is called robust if it can give accurate results in presence of noise and outliers. ... But in such tasks as sequential camera pose estimation for image sequences, the noise is accumulated and its value is unknown. ... AMLESAC successfully measures the noise parameters and reliable estimate camera pose when MSAC fails. ...
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Ссылки http://graphics.cs.msu.ru/en/science/research/machinelearning/robust -- 13.4 Кб -- 09.04.2016
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69. DOC3d: A 3d Documentations system for programming languages | Graphics and
... About lab . ... Online Journal "Computer graphics and multimedia" (in russian) . ... The documentation in Russian. ... These systems contain millions lines of code, thousands - tens of thousands classes. Visualization could help programmer to better comprehend these large systems, to orientate between lot of objects of these systems, to analyze intricate structure of code and find required information. ... Doc3D: Система трехмерной визуализации архитектуры программных систем . ...
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Ссылки http://graphics.cs.msu.ru/en/research/projects/photorealistic/doc3d -- 13.1 Кб -- 09.04.2016
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70. Detection of multiple object instances using Hough transform | Лаборатория
... Поступление в лабораторию . ... Электронный журнал "Компьютерная графика и мультимедиа" . ... To detect multiple objects of interest, the methods based on Hough transform use non-maxima supression or mode seeking in order to locate and to distinguish peaks in Hough images. ... Iterations of the Hough-like algorithm for multiple object instances detection: . ... Olga Barinova , Victor Lempitsky, Pushmeet Kohli, On detection of Multiple object instances using Hough transform , CVPR 2010 [pdf] . ...
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Ссылки http://graphics.cs.msu.ru/ru/science/research/machinelearning/hough -- 15.7 Кб -- 09.04.2016
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71. Detection of multiple object instances using Hough transform | Graphics and
... About lab . ... Online Journal "Computer graphics and multimedia" (in russian) . ... To detect multiple objects of interest, the methods based on Hough transform use non-maxima supression or mode seeking in order to locate and to distinguish peaks in Hough images. ... Iterations of the Hough-like algorithm for multiple object instances detection: . ... Olga Barinova , Victor Lempitsky, Pushmeet Kohli, On detection of Multiple object instances using Hough transform , CVPR 2010 [pdf] . ...
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Ссылки http://graphics.cs.msu.ru/en/science/research/machinelearning/hough -- 14.8 Кб -- 09.04.2016
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72. Building panorama image from video | Лаборатория компьютерной графики и
... Поступление в лабораторию . ... Электронный журнал "Компьютерная графика и мультимедиа" . ... MSU Graphics & Media Lab (Video Group) . Filter is intended for reconstructing panorama of scene by movie. ... The work of MSU Panorama is based on motion vectors. ... MSU Panorama has two processing modes: . ... The results of MSU Panorama in these two modes are presented further. The picture below demonstrates the results of panorama construction for stefan movie. ... full size image . ...
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Ссылки http://graphics.cs.msu.ru/ru/science/research/objectsvideo/panorama -- 11.8 Кб -- 09.04.2016
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73. Building panorama image from video | Graphics and Media Lab
... About lab . ... Online Journal "Computer graphics and multimedia" (in russian) . ... MSU Graphics & Media Lab (Video Group) . Filter is intended for reconstructing panorama of scene by movie. ... The work of MSU Panorama is based on motion vectors. ... MSU Panorama has two processing modes: . ... Example of panorama for ''stefan'' movie . full size image . One more example of MSU Panorama for two processing modes. Example of panorama for ''bus'' movie . ... video@graphics.cs.msu.ru . ...
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Ссылки http://graphics.cs.msu.ru/en/science/research/objectsvideo/panorama -- 11.0 Кб -- 09.04.2016
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74. Mouse Tracking | Лаборатория компьютерной графики и мультимедиа
... Поступление в лабораторию . ... Электронный журнал "Компьютерная графика и мультимедиа" . ... We have developed a video tracking system for behavioral analysis of laboratory rodents. ... Sindeev M. Konushin A. Mouse contour tracking based on Branch-and-Bound method. ... Voronin P., Konushin A. Video tracking laboratory rodents using active shape models // 9th Int. Conf. on Patterns Recognition and Image Analysis: New Information Technologies (PRIA-9-2008), Nizhni Novgorod, 2008. ...
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Ссылки http://graphics.cs.msu.ru/ru/science/research/objectsvideo/leopold -- 12.1 Кб -- 09.04.2016
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75. Mouse Tracking | Graphics and Media Lab
... We have developed a video tracking system for behavioral analysis of laboratory rodents. ... Demonstration of video tracking and analysis system for behavioral studies with laboratory rodents: . Sindeev M. Konushin A. Mouse contour tracking based on Branch-and-Bound method. ... Voronin P., Konushin A. Video tracking laboratory rodents using active shape models // 9th Int. Conf. on Patterns Recognition and Image Analysis: New Information Technologies (PRIA-9-2008), Nizhni Novgorod, 2008. ...
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Ссылки http://graphics.cs.msu.ru/en/science/research/objectsvideo/leopold -- 11.3 Кб -- 09.04.2016
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76. Objective Metrics of Video Quality (MSU VQM tool) | Лаборатория компьютерной
... Поступление в лабораторию . ... Электронный журнал "Компьютерная графика и мультимедиа" . ... Tool for objective video quality measurements, development of a new objective metrics. ... To ease usage and evaluation of existing and new objective metrics we decided to develop a tool for objective video quality evaluation. MSU Video Quality Measurement tool (MSU VQM) helps in our final goal to create objective measure that will be more adequate to subjective quality than all others. ... MSU Blocking . ...
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Ссылки http://graphics.cs.msu.ru/ru/science/research/videocompression/vqm -- 13.7 Кб -- 09.04.2016
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77. Subjective Assessment of Video Quality (MSU PVQ tool) | Лаборатория
... Поступление в лабораторию . ... Электронный журнал "Компьютерная графика и мультимедиа" . ... Methods of subjective video quality assessment . ... Our research is aimed at methods of subjective video quality assessments and evaluation of objective quality metrics. ... Because of the lack of tools for conducting subjective tests in the public domain, we created MSU Perceptual Video Quality tool. ... MSU CQE . ... MSU PVQ tool was used for the Subjective Comparison of Modern Video Codecs. ...
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Ссылки http://graphics.cs.msu.ru/ru/science/research/videocompression/pvq -- 12.1 Кб -- 09.04.2016
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78. Road monitoring | Лаборатория компьютерной графики и мультимедиа
... Электронный журнал "Компьютерная графика и мультимедиа" . ... Roadway video passport systems are widely-used for detailed road mapping which allows roadway quality monitoring and repair planning. ... Typical roadway images are strongly differed to each other in colors and texture, some examples are shown below. ... We use so-called rectified images of the road covering. ... When preprocessing is completed our algorithm is trained on a part of rectified road image with the help of user input. ...
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Ссылки http://graphics.cs.msu.ru/ru/science/research/machinelearning/road -- 21.4 Кб -- 09.04.2016
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79. GML Balanced On-line Learning Toolkit | Лаборатория компьютерной графики и
... Поступление в лабораторию . ... Электронный журнал "Компьютерная графика и мультимедиа" . ... GML BOLT v. 1.1 November 11, 2009 Download . ... Balanced On-line Learning Toolkit is an open-source library that contains a set of on-line classifier interfaces and their implementations. ... Some of toolbox classifiers can also efficiently learn from class-unbalanced streams. ... IClassifier -- the interface for a learned classifier that has been introduced in A.Vezhnevets' GML AdaBoost Toolbox . ...
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Ссылки http://graphics.cs.msu.ru/ru/science/research/machinelearning/bolt -- 14.2 Кб -- 09.04.2016
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80. Objective Metrics of Video Quality (MSU VQM tool) | Graphics and Media Lab
... About lab . ... Tool for objective video quality measurements, development of a new objective metrics. During recent years, many objective video quality metrics were developed. ... To ease usage and evaluation of existing and new objective metrics we decided to develop a tool for objective video quality evaluation. MSU Video Quality Measurement tool (MSU VQM) helps in our final goal to create objective measure that will be more adequate to subjective quality than all others. ... MSU Blocking . ...
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Ссылки http://graphics.cs.msu.ru/en/science/research/videocompression/vqm -- 12.8 Кб -- 09.04.2016
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