Spatio Temporal Filtering For Images And Videos
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Spatio Temporal Filtering For Images And Videos
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Author : Dung Trung Vo
language : en
Publisher:
Release Date : 2009
Spatio Temporal Filtering For Images And Videos written by Dung Trung Vo and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.
Digital images and videos are compressed by removing their spatial, temporal and visual redundancies. Although the encoded signals are more compact and easier for storing or transmitting, the correlation between their pixels is distorted. This causes coding artifacts, which degrade the visual quality of the signals and cause annoyance to the viewers. Compressed images and video sequences should be enhanced prior to being sent to the displaying devices. Previous methods on quality enhancement focused on separately improving the quality of each frames. In this way, the temporal consistency between frames is not guaranteed. Furthermore, characteristics of temporal artifacts are not thoroughly studied and exploited for artifact removal. This dissertation investigates these characteristics and proposes novel methods to reduce both spatial and temporal artifacts. The dissertation covers three main topics in spatio-temporal filtering: quality enhancement, coding and data pruning. The dissertation starts with analyzing the usage of further information from surrounding frames beside the information in the current frames. First, a simple linear temporal filter is studied to investigate the quantization error between the filtered output and its original signal. Reduction of the quantization error verifies that using information from surrounding frames can enhance the quality of the current frame. Next, a non-linear fuzzy spatio-temporal filter is proposed to adapt to the characteristics of the coding artifacts. The dissertation also proposes a novel metric for evaluating the flickering artifacts. For applications on coding, these spatio-temporal filters are used in the encoding loop as the enhanced reference frame. They are then optimized to maximize their performance in artifact reduction. For special cases when filter coefficient for the pixel of interest is set to zero, the filter becomes an estimator or an interpolator. The dissertation extends the discussion for the case of implementing the optimal estimator in the encoding phase using multi reference frames. Finally, an edge-directed interpolator is studied and used in data pruning based compression, which can help reducing the bit-rate of the encoded bit-stream. This interpolator is applied to determine the most effective way in dropping the data before compression and to reconstruct the pruned signal back to its original form.
Computer Recognition Systems 4
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Author : Robert Burduk
language : en
Publisher: Springer Science & Business Media
Release Date : 2011-04-21
Computer Recognition Systems 4 written by Robert Burduk and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-04-21 with Technology & Engineering categories.
The computer recognition systems are nowadays one of the most promising directions in artificial intelligence. This book is the most comprehensive study of this field. It contains a collection of 78 carefully selected articles contributed by experts of pattern recognition. It reports on current research with respect to both methodology and applications. In particular, it includes the following sections: Biometrics, Features, learning and classifiers, Image processing and computer vision, Knowledge acquisition based on reasoning methods Medical applications, Miscellaneous applications, This book is a great reference tool for scientists who deal with the problems of designing computer pattern recognition systems. Its target readers can be as well researchers as students of computer science, artificial intelligence or robotics.
Spatio Temporal Image Analysis For Longitudinal And Time Series Image Data
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Author : Stanley Durrleman
language : en
Publisher: Springer
Release Date : 2012-09-18
Spatio Temporal Image Analysis For Longitudinal And Time Series Image Data written by Stanley Durrleman and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-09-18 with Computers categories.
This book constitutes the refereed proceedings of the Second International Workshop on Spatio-temporal Image Analysis for Longitudinal and Time-Series Image Data, STIA 2012, held in conjunction with MICCAI 2012 in Nice, France, in October 2012. The 13 papers presented in this volume were carefully reviewed and selected from 22 submissions. They are organized in topical sections named: longitudinal registration and transport; spatio-temporal analysis for shapes; spatio-temporal analysis under appearance changes; and spatio-temporal analysis for biology.
Computer Analysis Of Images And Patterns
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Author : Ainhoa Berciano
language : en
Publisher: Springer
Release Date : 2011-08-19
Computer Analysis Of Images And Patterns written by Ainhoa Berciano and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-08-19 with Computers categories.
The two volume set LNCS 6854/6855 constitutes the refereed proceedings of the International Conference on Computer Analysis of Images and Patterns, CAIP 2011, which took place in Seville, Spain, August 29-31, 2011. The 138 papers presented together with 2 invited talks were carefully reviewed and selected from 286 submissions. The papers are organized in topical section on: motion analysis, image and shape models, segmentation and grouping, shape recovery, kernel methods, medical imaging, structural pattern recognition, Biometrics, image and video processing, calibration; and tracking and stereo vision.
Computer Vision Eccv 2014 Workshops
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Author : Lourdes Agapito
language : en
Publisher: Springer
Release Date : 2015-03-18
Computer Vision Eccv 2014 Workshops written by Lourdes Agapito and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-03-18 with Computers categories.
The four-volume set LNCS 8925, 8926, 8927, and 8928 comprises the refereed post-proceedings of the Workshops that took place in conjunction with the 13th European Conference on Computer Vision, ECCV 2014, held in Zurich, Switzerland, in September 2014. The 203 workshop papers were carefully reviewed and selected for inclusion in the proceedings. They were presented at workshops with the following themes: where computer vision meets art; computer vision in vehicle technology; spontaneous facial behavior analysis; consumer depth cameras for computer vision; "chalearn" looking at people: pose, recovery, action/interaction, gesture recognition; video event categorization, tagging and retrieval towards big data; computer vision with local binary pattern variants; visual object tracking challenge; computer vision + ontology applies cross-disciplinary technologies; visual perception of affordance and functional visual primitives for scene analysis; graphical models in computer vision; light fields for computer vision; computer vision for road scene understanding and autonomous driving; soft biometrics; transferring and adapting source knowledge in computer vision; surveillance and re-identification; color and photometry in computer vision; assistive computer vision and robotics; computer vision problems in plant phenotyping; and non-rigid shape analysis and deformable image alignment. Additionally, a panel discussion on video segmentation is included. .
Spatio Temporal Database Management
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Author : Michael H. Böhlen
language : en
Publisher: Springer
Release Date : 2003-06-26
Spatio Temporal Database Management written by Michael H. Böhlen and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-06-26 with Computers categories.
This book constitutes the refereed proceedings of the International Workshop on Spatio-Temporal Database Management Systems, STDBM'99, held in Edinburgh, UK, in September 1999 as a satelite event of VLDB'99. The 13 revised full papers presented were carefully selected from 30 papers submitted. The book offers topical sections on understanding and manipulating spatio-temporal data; integration, exchange, and visualization; query processing; index evaluation; and constraints and dependencies.
Spatio Temporal Modeling For Action Recognition In Videos
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Author : Guoxi Huang
language : en
Publisher:
Release Date : 2022
Spatio Temporal Modeling For Action Recognition In Videos written by Guoxi Huang and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022 with categories.
Image Analysis
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Author : Anders Heyden
language : en
Publisher: Springer
Release Date : 2011-05-16
Image Analysis written by Anders Heyden and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-05-16 with Computers categories.
This book constitutes the refereed proceedings of the 16th Scandinavian Conference on Image Analysis, SCIA 2011, held in Ystad, Sweden, in May 2011. The 74 revised full papers presented were carefully reviewed and selected from 140 submissions. The papers are organized in topical sections on multiple view geometry; segmentation; image analysis; categorization and classification; structure from motion and SLAM; medical and biomedical applications; 3D shape; medical imaging.
A Text Book Of Low Complexity Restoration Algorithms For Video Images
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Author : Dr.Shylaja S.L. Dr.Vinayadatt V. Kohir
language : en
Publisher: Archers & Elevators Publishing House
Release Date :
A Text Book Of Low Complexity Restoration Algorithms For Video Images written by Dr.Shylaja S.L. Dr.Vinayadatt V. Kohir and has been published by Archers & Elevators Publishing House this book supported file pdf, txt, epub, kindle and other format this book has been release on with Antiques & Collectibles categories.
Computer Vision And Image Processing
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Author : Satish Kumar Singh
language : en
Publisher: Springer Nature
Release Date : 2021-03-25
Computer Vision And Image Processing written by Satish Kumar Singh and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-03-25 with Computers categories.
This three-volume set (CCIS 1367-1368) constitutes the refereed proceedings of the 5th International Conference on Computer Vision and Image Processing, CVIP 2020, held in Prayagraj, India, in December 2020. Due to the COVID-19 pandemic the conference was partially held online. The 134 papers papers were carefully reviewed and selected from 352 submissions. The papers present recent research on such topics as biometrics, forensics, content protection, image enhancement/super-resolution/restoration, motion and tracking, image or video retrieval, image, image/video processing for autonomous vehicles, video scene understanding, human-computer interaction, document image analysis, face, iris, emotion, sign language and gesture recognition, 3D image/video processing, action and event detection/recognition, medical image and video analysis, vision-based human GAIT analysis, remote sensing, and more.