Zicheng Liu – författare

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13 produkter

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13 produkter

Face Geometry and Appearance Modeling
Concepts and Applications
AvZicheng Liu,Zhengyou Zhang
Inbunden, Engelska, 2011
1 029 kr
Skickas inom 7-10 vardagar
Human faces are familiar to our visual systems. We easily recognize a person's face in arbitrary lighting conditions and in a variety of poses; detect small appearance changes; and notice subtle expression details. Can computer vision systems process face images as well as human vision systems can? Face image processing has potential applications in surveillance, image and video search, social networking and other domains. A comprehensive guide to this fascinating topic, this book provides a systematic description of modeling face geometry and appearance from images, including information on mathematical tools, physical concepts, image processing and computer vision techniques, and concrete prototype systems. The book will be an excellent reference for researchers and graduate students in computer vision, computer graphics and multimedia, as well as application developers who would like to gain a better understanding of the state of the art.
Power Electronics Converters for Open-Winding Motor Drives
AvDong Jiang,An Lim. fl.
Inbunden, Engelska, 2027
1 581 kr
Kommande
Human Action Recognition with Depth Cameras
AvJiang Wang,Zicheng Lium. fl.
Häftad, Engelska, 2014
562 kr
Skickas inom 10-15 vardagar
Action recognition technology has many real-world applications in human-computer interaction, surveillance, video retrieval, retirement home monitoring, and robotics. The commoditization of depth sensors has also opened up further applications that were not feasible before. This text focuses on feature representation and machine learning algorithms for action recognition from depth sensors. After presenting a comprehensive overview of the state of the art, the authors then provide in-depth descriptions of their recently developed feature representations and machine learning techniques, including lower-level depth and skeleton features, higher-level representations to model the temporal structure and human-object interactions, and feature selection techniques for occlusion handling. This work enables the reader to quickly familiarize themselves with the latest research, and to gain a deeper understanding of recently developed techniques. It will be of great use for both researchers andpractitioners.
Human Action Recognition with Depth Cameras
AvYing Wu,Zicheng Lium. fl.
E-bok
PDF, Engelska, 2014
732 kr
Läs direkt efter köp
Action recognition technology has many real-world applications in human-computer interaction, surveillance, video retrieval, retirement home monitoring, and robotics. The commoditization of depth sensors has also opened up further applications that were not feasible before. This text focuses on feature representation and machine learning algorithms for action recognition from depth sensors. After presenting a comprehensive overview of the state of the art, the authors then provide in-depth descriptions of their recently developed feature representations and machine learning techniques, including lower-level depth and skeleton features, higher-level representations to model the temporal structure and human-object interactions, and feature selection techniques for occlusion handling. This work enables the reader to quickly familiarize themselves with the latest research, and to gain a deeper understanding of recently developed techniques. It will be of great use for both researchers andpractitioners.
Advances in Visual Computing
Third International Symposium, ISVC 2007, Lake Tahoe, NV, USA, November 26-28, 2007, Proceedings, Part II
AvRichard Boyle,Bahram Parvinm. fl.
Häftad, Engelska, 2007
1 116 kr
Skickas inom 10-15 vardagar
It is with great pleasure that we welcome you to the Proceedings of the 3rd - ternational Symposium on Visual Computing (ISVC 2007) held in Lake Tahoe, Nevada/California. ISVC o?ers a common umbrella for the four main areas of visualcomputing including vision,graphics,visualization,andvirtualreality.Its goal is to provide a forum for researchers, scientists, engineers and practitioners throughout the world to present their latest research ?ndings, ideas, devel- ments, and applications in the broader area of visual computing. Thisyear,theprogramconsistedof14oralsessions,1postersession,6special tracks, and 6 keynote presentations. Following a very successful ISVC 2006, the response to the call for papers was almost equally strong; we received over 270 submissions for the main symposium from which we accepted 77 papers for oral presentation and 42 papers for poster presentation. Special track papers were solicited separately through the Organizing and Program Committees of each track. A total of 32 papers were accepted for oral presentation and 5 papers for poster presentation in the special tracks.
Advances in Visual Computing
Third International Symposium, ISVC 2007, Lake Tahoe, NV, USA, November 26-28, 2007, Proceedings, Part II
AvTom Malzbender,Torsten Mollerm. fl.
E-bok
PDF, Engelska, 2007
1 455 kr
Läs direkt efter köp
It is with great pleasure that we welcome you to the Proceedings of the 3rd - ternational Symposium on Visual Computing (ISVC 2007) held in Lake Tahoe, Nevada/California. ISVC o?ers a common umbrella for the four main areas of visualcomputing including vision,graphics,visualization,andvirtualreality.Its goal is to provide a forum for researchers, scientists, engineers and practitioners throughout the world to present their latest research ?ndings, ideas, devel- ments, and applications in the broader area of visual computing. Thisyear,theprogramconsistedof14oralsessions,1postersession,6special tracks, and 6 keynote presentations. Following a very successful ISVC 2006, the response to the call for papers was almost equally strong; we received over 270 submissions for the main symposium from which we accepted 77 papers for oral presentation and 42 papers for poster presentation. Special track papers were solicited separately through the Organizing and Program Committees of each track. A total of 32 papers were accepted for oral presentation and 5 papers for poster presentation in the special tracks.
Advances in Visual Computing
Third International Symposium, ISVC 2007, Lake Tahoe, NV, USA, November 26-28, 2007, Proceedings, Part I
AvRichard Boyle,Bahram Parvinm. fl.
Häftad, Engelska, 2007
1 116 kr
Skickas inom 10-15 vardagar
It is with great pleasure that we welcome you to the Proceedings of the 3rd - ternational Symposium on Visual Computing (ISVC 2007) held in Lake Tahoe, Nevada/California. ISVC o?ers a common umbrella for the four main areas of visualcomputing including vision,graphics,visualization,andvirtualreality.Its goal is to provide a forum for researchers, scientists, engineers and practitioners throughout the world to present their latest research ?ndings, ideas, devel- ments, and applications in the broader area of visual computing. Thisyear,theprogramconsistedof14oralsessions,1postersession,6special tracks, and 6 keynote presentations. Following a very successful ISVC 2006, the response to the call for papers was almost equally strong; we received over 270 submissions for the main symposium from which we accepted 77 papers for oral presentation and 42 papers for poster presentation. Special track papers were solicited separately through the Organizing and Program Committees of each track. A total of 32 papers were accepted for oral presentation and 5 papers for poster presentation in the special tracks.
Advances in Visual Computing
Third International Symposium, ISVC 2007, Lake Tahoe, NV, USA, November 26-28, 2007, Proceedings, Part I
AvTom Malzbender,Torsten Mollerm. fl.
E-bok
PDF, Engelska, 2007
1 459 kr
Läs direkt efter köp
It is with great pleasure that we welcome you to the Proceedings of the 3rd - ternational Symposium on Visual Computing (ISVC 2007) held in Lake Tahoe, Nevada/California. ISVC o?ers a common umbrella for the four main areas of visualcomputing including vision,graphics,visualization,andvirtualreality.Its goal is to provide a forum for researchers, scientists, engineers and practitioners throughout the world to present their latest research ?ndings, ideas, devel- ments, and applications in the broader area of visual computing. Thisyear,theprogramconsistedof14oralsessions,1postersession,6special tracks, and 6 keynote presentations. Following a very successful ISVC 2006, the response to the call for papers was almost equally strong; we received over 270 submissions for the main symposium from which we accepted 77 papers for oral presentation and 42 papers for poster presentation. Special track papers were solicited separately through the Organizing and Program Committees of each track. A total of 32 papers were accepted for oral presentation and 5 papers for poster presentation in the special tracks.
Human Action Analysis with Randomized Trees
AvGang Yu,Junsong Yuanm. fl.
Häftad, Engelska, 2014
546 kr
Skickas inom 10-15 vardagar
This book will provide a comprehensive overview on human action analysis with randomized trees. It will cover both the supervised random trees and the unsupervised random trees. When there are sufficient amount of labeled data available, supervised random trees provides a fast method for space-time interest point matching. When labeled data is minimal as in the case of example-based action search, unsupervised random trees is used to leverage the unlabelled data. We describe how the randomized trees can be used for action classification, action detection, action search, and action prediction. We will also describe techniques for space-time action localization including branch-and-bound sub-volume search and propagative Hough voting.
Human Action Analysis with Randomized Trees
AvZicheng Liu,Junsong Yuanm. fl.
E-bok
PDF, Engelska, 2014
710 kr
Läs direkt efter köp
This book will provide a comprehensive overview on human action analysis with randomized trees. It will cover both the supervised random trees and the unsupervised random trees. When there are sufficient amount of labeled data available, supervised random trees provides a fast method for space-time interest point matching. When labeled data is minimal as in the case of example-based action search, unsupervised random trees is used to leverage the unlabelled data. We describe how the randomized trees can be used for action classification, action detection, action search, and action prediction. We will also describe techniques for space-time action localization including branch-and-bound sub-volume search and propagative Hough voting.
Advanced Pulse-Width-Modulation: With Freedom to Optimize Power Electronics Converters
AvDong Jiang,Zewei Shenm. fl.
Inbunden, Engelska, 2021
1 040 kr
Skickas inom 5-8 vardagar
This book is a technical publication for students, scholars and engineers in electrical engineering, focusing on the pulse-width-modulation (PWM) technologies in power electronics area. Based on an introduction of basic PWM principles this book analyzes three major challenges for PWM on system performance: power losses, voltage/current ripple and electromagnetic interference (EMI) noise, and the lack of utilization of control freedoms in conventional PWM technologies. Then, the model of PWM's impact on system performance is introduced, with the current ripple prediction method for voltage source converter as example. With the prediction model, two major advanced PWM methods are introduced: variable switching frequency PWM and phase-shift PWM, which can reduce the power losses and EMI for the system based on the prediction model. Furthermore, the advanced PWM can be applied in advanced topologies including multilevel converters and paralleled converters. With more control variables in the advanced topologies, performance of PWM can be further improved. Also, for the special problem for common-mode noise, this book introduces modified PWM method for reduction. Especially, the paralleled inverters with advanced PWM can achieve good performance for the common-mode noise reduction. Finally, the implementation of PWM technologies in hardware is introduced in the last part.
Advanced Pulse-Width-Modulation: With Freedom to Optimize Power Electronics Converters
AvZicheng Liu,Jianan Chenm. fl.
E-bok
Engelska, 2021
1 570 kr
Läs direkt efter köp
This book is a technical publication for students, scholars and engineers in electrical engineering, focusing on the pulse-width-modulation (PWM) technologies in power electronics area. Based on an introduction of basic PWM principles this book analyzes three major challenges for PWM on system performance: power losses, voltage/current ripple and electromagnetic interference (EMI) noise, and the lack of utilization of control freedoms in conventional PWM technologies. Then, the model of PWM''s impact on system performance is introduced, with the current ripple prediction method for voltage source converter as example. With the prediction model, two major advanced PWM methods are introduced: variable switching frequency PWM and phase-shift PWM, which can reduce the power losses and EMI for the system based on the prediction model. Furthermore, the advanced PWM can be applied in advanced topologies including multilevel converters and paralleled converters. With more control variables in the advanced topologies, performance of PWM can be further improved. Also, for the special problem for common-mode noise, this book introduces modified PWM method for reduction. Especially, the paralleled inverters with advanced PWM can achieve good performance for the common-mode noise reduction. Finally, the implementation of PWM technologies in hardware is introduced in the last part.
Advanced Pulse-Width-Modulation: With Freedom to Optimize Power Electronics Converters
AvDong Jiang,Zewei Shenm. fl.
Häftad, Engelska, 2022
804 kr
Skickas inom 5-8 vardagar
This book is a technical publication for students, scholars and engineers in electrical engineering, focusing on the pulse-width-modulation (PWM) technologies in power electronics area. Based on an introduction of basic PWM principles this book analyzes three major challenges for PWM on system performance: power losses, voltage/current ripple and electromagnetic interference (EMI) noise, and the lack of utilization of control freedoms in conventional PWM technologies. Then, the model of PWM's impact on system performance is introduced, with the current ripple prediction method for voltage source converter as example. With the prediction model, two major advanced PWM methods are introduced: variable switching frequency PWM and phase-shift PWM, which can reduce the power losses and EMI for the system based on the prediction model. Furthermore, the advanced PWM can be applied in advanced topologies including multilevel converters and paralleled converters. With more control variables in the advanced topologies, performance of PWM can be further improved. Also, for the special problem for common-mode noise, this book introduces modified PWM method for reduction. Especially, the paralleled inverters with advanced PWM can achieve good performance for the common-mode noise reduction. Finally, the implementation of PWM technologies in hardware is introduced in the last part.

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Zicheng Liu – författare

Face Geometry and Appearance Modeling

Power Electronics Converters for Open-Winding Motor Drives

Human Action Recognition with Depth Cameras

Human Action Recognition with Depth Cameras

Advances in Visual Computing

Advances in Visual Computing

Advances in Visual Computing

Advances in Visual Computing

Human Action Analysis with Randomized Trees

Human Action Analysis with Randomized Trees

Advanced Pulse-Width-Modulation: With Freedom to Optimize Power Electronics Converters

Advanced Pulse-Width-Modulation: With Freedom to Optimize Power Electronics Converters

Advanced Pulse-Width-Modulation: With Freedom to Optimize Power Electronics Converters

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