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Displaying 1-50 out of 78 total
TaskShadow: Toward Seamless Task Migration across Smart Environments
Found in: IEEE Intelligent Systems
By Gang Pan, Yuqiong Xu, Zhaohui Wu, Shijian Li, Laurence T. Yang, Man Lin, Zhong Liu
Issue Date:May 2011
pp. 50-57
<p>The OSGi-based platform TaskShadow supports seamless task migration across smart environments using a task-to-service mapping algorithm to semantically search for suitable low-level services that achieve high-level tasks.</p>
 
A Phone-Centered Body Sensor Network Platform: Cost, Energy Efficiency & User Interface
Found in: Wearable and Implantable Body Sensor Networks, International Workshop on
By Lin Zhong, Mike Sinclair, Ray Bittner
Issue Date:April 2006
pp. 179-182
We have designed a Bluetooth-based body sensor network platform for physiological diary applications and have addressed its challenges in cost, energy efficiency, and user interface. In our platform, an internetcapable phone serves as the center and manage...
 
Seamless TCP Migration on Smartphones without Network Support
Found in: IEEE Transactions on Mobile Computing
By Ahmad Rahmati,Clayton Shepard,Chad C. Tossell,Lin Zhong,Philip Kortum,Angela Nicoara,Jatinder Singh
Issue Date:March 2014
pp. 678-692
Is it possible to migrate TCP/IP flows between different networks on modern mobile devices without infrastructure support or protocol changes? To answer this question, we make three research contributions: 1) We report a comprehensive characterization of I...
 
Guest Editorial: Special Section on Outstanding Papers from MobiSys 2012
Found in: IEEE Transactions on Mobile Computing
By Srinivasan Seshan,Lin Zhong
Issue Date:August 2013
pp. 1470-1471
It gives us great pleasure to introduce this special section on outstanding papers from the ACM MobiSys 2012 conference, for which we were honored to be the program committee cochairs. The conference was held in June 2012 and included 32 high-quality paper...
 
Studying Smartphone Usage: Lessons from a Four-Month Field Study
Found in: IEEE Transactions on Mobile Computing
By Ahmad Rahmati,Lin Zhong
Issue Date:July 2013
pp. 1417-1427
Many emerging mobile applications and services are based on smartphones. We have performed a four-month field study of the adoption and usage of smartphone-based services by 14 novice teenage users. From the field study, we present the application usage an...
 
Research on Gas-Solid Fluidized Bed Agglomeration Early-Warning Technology
Found in: 2013 Fourth International Conference on Digital Manufacturing & Automation (ICDMA)
By Meng Guo,Jinwei Liu,Weiguo Lin,Zhong Zhao
Issue Date:June 2013
pp. 1054-1057
In order to monitor the agglomeration in gas-solid fluidized bed, the voiceprint characteristics should be accurately extracted. Acoustic signals created by the polymer impact on the inner bed wall of the fluidized bed reactor were monitored with pasting p...
 
Characterizing the Performance and Power Consumption of 3D Mobile Games
Found in: Computer
By Xiaohan Ma,Zhigang Deng,Mian Dong,Lin Zhong
Issue Date:April 2013
pp. 76-82
A preliminary study using the Quake 3 and XRace games as benchmarks on three mainstream mobile system-on-chip architectures reveals that the geometry stage is the main bottleneck in 3D mobile games and confirms that game logic significantly affects power c...
 
Towards Automatic Stereoscopic Video Synthesis from a Casual Monocular Video
Found in: 2012 IEEE International Symposium on Multimedia (ISM)
By Lin Zhong,Sen Wang,Minwoo Park,Rodney Miller,Dimitris Metaxas
Issue Date:December 2012
pp. 306-313
Automatically synthesizing 3D content from a causal monocular video has become an important problem. Previous works either use no geometry information, or rely on precise 3D geometry information. Therefore, they cannot obtain reasonable results if the 3D s...
 
Power Modeling and Optimization for OLED Displays
Found in: IEEE Transactions on Mobile Computing
By Mian Dong,Lin Zhong
Issue Date:September 2012
pp. 1587-1599
Emerging organic light-emitting diode (OLED)-based displays obviate external lighting, and consume drastically different power when displaying different colors, due to their emissive nature. This creates a pressing need for OLED display power models for sy...
 
An Improved Design of Key Analog Circuits in CMOS Image Sensor
Found in: 2012 Fourth International Conference on Computational and Information Sciences (ICCIS)
By Wen Wei Lin,Zhong Zhuang Fang,Ke Jie Chi
Issue Date:August 2012
pp. 951-954
CMOS image sensors transmit images by photoelectric conversion and consist of several key analog circuits. We discuss the structure and the overall operating principles of typical CMOS image sensor, and conduct analysis of the key analog circuits function....
 
Learning active facial patches for expression analysis
Found in: 2012 IEEE Conference on Computer Vision and Pattern Recognition (CVPR)
By Lin Zhong, Qingshan Liu, Peng Yang, Bo Liu, Junzhou Huang,D. N. Metaxas
Issue Date:June 2012
pp. 2562-2569
In this paper, we present a new idea to analyze facial expression by exploring some common and specific information among different expressions. Inspired by the observation that only a few facial parts are active in expression disclosure (e.g., around mout...
 
Chameleon: A Color-Adaptive Web Browser for Mobile OLED Displays
Found in: IEEE Transactions on Mobile Computing
By Mian Dong,Lin Zhong
Issue Date:May 2012
pp. 724-738
Displays based on organic light-emitting diode (OLED) technology are appearing on many mobile devices. Unlike liquid crystal displays (LCD), OLED displays consume dramatically different power for showing different colors. In particular, OLED displays are i...
 
Double Cluster-Heads Routing Policy Based on the Weights of Energy-Efficient for Wireless Sensor Networks
Found in: Computational and Information Sciences, International Conference on
By Mei Lin, Zhong-hua Wang, Cheng-wu Zou, Min Yu
Issue Date:December 2010
pp. 696-699
It is important that balancing the node's energy consumption effectively in wireless sensor network. We propose a novel double cluster-head routing policy based on clustering hierarchy routing. According to balancing the number of neighbor nodes, surplus e...
 
Design, Realization, and Evaluation of xShare for Impromptu Sharing of Mobile Phones
Found in: IEEE Transactions on Mobile Computing
By Yunxin Liu, Ahmad Rahmati, Hyukjae Jang, Yuanhe Huang, Lin Zhong, Yongguang Zhang, Shensheng Zhang
Issue Date:December 2010
pp. 1682-1696
Mobile phones are truly personal devices loaded with personal data such as photos, contacts, and call history. Yet it is often necessary or desirable to share our phones with others. This is especially true as mobile phones are integrating features convent...
 
Ranking Model for Facial Age Estimation
Found in: Pattern Recognition, International Conference on
By Peng Yang, Lin Zhong, Dimitris Metaxas
Issue Date:August 2010
pp. 3404-3407
Feature design and feature selection are two key problems in facial image based age perception. In this paper, we proposed to using ranking model to do feature selection on the haar-like features. In order to build the pairwise samples for the ranking mode...
 
Context-Based Network Estimation for Energy-Efficient Ubiquitous Wireless Connectivity
Found in: IEEE Transactions on Mobile Computing
By Ahmad Rahmati, Lin Zhong
Issue Date:January 2011
pp. 54-66
Context information brings new opportunities for efficient and effective system resource management of mobile devices. In this work, we focus on the use of context information to achieve energy-efficient, ubiquitous wireless connectivity. Our field-collect...
 
Adaptive RF chain management for energy-efficient spatial-multiplexing MIMO transmission
Found in: Low Power Electronics and Design, International Symposium on
By Hang Yu, Lin Zhong, Ashutosh Sabharwal
Issue Date:August 2009
pp. 401-406
We present the theoretical foundation, implementation, and experimental evaluation of a novel power-saving mechanism for wireless transmission from multiple-input multiple-output (MIMO) transceivers, called RF chain management. RF chain management seeks to...
 
Power-saving color transformation of mobile graphical user interfaces on OLED-based displays
Found in: Low Power Electronics and Design, International Symposium on
By Mian Dong, Yung-Seok Kevin Choi, Lin Zhong
Issue Date:August 2009
pp. 339-342
Emerging organic light-emitting diode (OLED)-based displays have drastically different power consumption when displaying different colors, due to their emissive nature. They bring a new opportunity for power saving by transforming GUI colors. In this work,...
 
uWave: Accelerometer-based personalized gesture recognition and its applications
Found in: Pervasive Computing and Communications, IEEE International Conference on
By Jiayang Liu, Zhen Wang, Lin Zhong, Jehan Wickramasuriya, Venu Vasudevan
Issue Date:March 2009
pp. 1-9
The proliferation of accelerometers on consumer electronics has brought an opportunity for interaction based on gestures or physical manipulation of the devices. We present uWave, an efficient recognition algorithm for such interaction using a single three...
 
An Efficient Forward and Backward Fault-Tolerant Mobile Agent System
Found in: Intelligent Systems Design and Applications, International Conference on
By Jong-Shin Chen, Hong-Da Shi, Ching-Mu Chen, Zeng-Wen Hong, Pei-Lin Zhong
Issue Date:November 2008
pp. 61-66
Mobile agent is a special program and it can switch and execute the task of user commands among the networks and hosts. During the task executing, the mobile agent can convey the data, state and program code to another host in order to autonomously execute...
 
Logic Synthesis with Nanowire Crossbar: Reality Check and Standard Cell-based Integration
Found in: Design, Automation and Test in Europe Conference and Exhibition
By Mian Dong, Lin Zhong
Issue Date:March 2008
pp. 268-271
Nanowire crossbar is one of the most promising circuit solutions for nanoelectronics. We show nanowire crossbars do not scale well in terms of logic density and speed. We consequently propose a Crossbar Cell design based on judicious use of silicon nanowir...
 
Power signal processing: a new perspective for power analysis and optimization
Found in: Low Power Electronics and Design, International Symposium on
By Quming Zhou, Lin Zhong, Kartik Mohanram
Issue Date:August 2007
pp. 165-170
To address the productivity bottlenecks in power analysis and optimization of modern systems, we propose to treat power as asignal and leverage the rich set of signal processing techniques. We first investigate the power signal properties of digital system...
 
Reliability Techniques for RFID-Based Object Tracking Applications
Found in: Dependable Systems and Networks, International Conference on
By Ahmad Rahmati, Lin Zhong, Matti Hiltunen, Rittwik Jana
Issue Date:June 2007
pp. 113-118
Radio Frequency Identification (RFID) technology has the potential to dramatically improve numerous industrial practices. However, it still faces many challenges, including security and reliability, which may limit its use in many application scenarios. Wh...
 
Energy-Efficient Graphical User Interface Design
Found in: IEEE Transactions on Mobile Computing
By Keith S. Vallerio, Lin Zhong, Niraj K. Jha
Issue Date:July 2006
pp. 846-859
Mobile computers, such as cell phones and personal digital assistants (PDAs), have dramatically increased in sophistication. At the same time, the desire of consumers for portability limits battery size. As a result, many researchers have targeted hardware...
 
Towards a Responsive, Yet Power-ef.cient, Operating System: A Holistic Approach
Found in: Modeling, Analysis, and Simulation of Computer Systems, International Symposium on
By Le Yan, Lin Zhong, Niraj K. Jha
Issue Date:September 2005
pp. 249-257
<p>Although computing hardware has become increasingly more powerful, computer responsiveness is still an important issue due to multi-tasking and software bloat. We propose a holistic approach for improving computer responsiveness through user focus...
 
Photometric Stereo via Locality Sensitive High-Dimension Hashing
Found in: Computer and Robot Vision, Canadian Conference
By Lin Zhong, James J. Little
Issue Date:May 2005
pp. 104-111
In this paper, we extend the new photometric stereo method of Hertzmenn and Seitz that uses many images of an object together with a calibration object. For each point in the registered collection of images, we have a large number of brightness values. Pho...
 
An Energy-Aware Framework for Coordinated Dynamic Software Management in Mobile Computers
Found in: Modeling, Analysis, and Simulation of Computer Systems, International Symposium on
By Yunsi Fei, Lin Zhong, Niraj K. Jha
Issue Date:October 2004
pp. 306-317
Energy efficiency is a very important and challenging issue for resource-constrained mobile computers. In this paper, we propose a dynamic software management (DSM) framework to improve battery utilization, and avoid competition for limited energy resource...
 
Synthesis and Optimization of Threshold Logic Networks with Application to Nanotechnologies
Found in: Design, Automation and Test in Europe Conference and Exhibition
By Rui Zhang, Pallav Gupta, Lin Zhong, Niraj K. Jha
Issue Date:February 2004
pp. 20904
We propose an algorithm for efficient threshold network synthesis of arbitrary multi-output Boolean functions. The main purpose of this work is to bridge the wide gap that currently exists between research on the development of nanoscale devices and resear...
 
Dynamic Power Optimization of Interactive Systems
Found in: VLSI Design, International Conference on
By Lin Zhong, Niraj K. Jha
Issue Date:January 2004
pp. 1041
Abstract| Power has become a major concern for mobile computing systems such as laptops and handhelds, on which a significant fraction of software usage is interactive instead of computation-intensive. An analysis shows that over 90% of system energy and t...
 
A High-level Interconnect Power Model for Design Space Exploration
Found in: Computer-Aided Design, International Conference on
By Pallav Gupta, Lin Zhong, Niraj K. Jha
Issue Date:November 2003
pp. 551
In this paper, we present a high-level power model to estimate the power consumption in semi-global and global interconnects. Such interconnects are used for communications between logic modules, clock distribution networks, and power supply rails. The mai...
 
Interconnect-aware high-level synthesis for low power
Found in: Computer-Aided Design, International Conference on
By Niraj K. Jha, Lin Zhong
Issue Date:November 2002
pp. 110-117
Interconnects (wires, buffers, clock distribution networks, multiplexers and busses) consume a significant fraction of total circuit power. In this work, we demonstrate the importance of optimizing on-chip interconnects for power during high-level synthesi...
 
Register Binding Based Power Management for High-level Synthesis of Control-Flow Intensive Behaviors
Found in: Computer Design, International Conference on
By Lin Zhong, Jiong Luo, Yunsi Fei, Niraj K. Jha
Issue Date:September 2002
pp. 391
A circuit or circuit component that does not contain any spurious switching activity, i.e., activity that is not required by its specified functionality, is called perfectly power managed (PPM). We present a general sufficient condition for register bindin...
 
Rejection based on a posteriori probability estimated by MLP with application for Mandarin voice dialer on ASIC
Found in: Acoustics, Speech, and Signal Processing, IEEE International Conference on
By Lin Zhong, Jia Liu, Runsheng Liu
Issue Date:June 2000
pp. 3446-3449
High performance Mandarin voice dialer is much more difficult than its English counterpart to achieve, especially on inexpensive hardware as ASIC. One way to improve its performance is to incorporate rejecters into the system. In our study, an MLP based po...
 
Practical Context Awareness: Measuring and Utilizing the Context Dependency of Mobile Usage
Found in: IEEE Transactions on Mobile Computing
By Ahmad Rahmati,Clayton Shepard,Chad Tossell,Lin Zhong,Philip Kortum
Issue Date:February 2015
pp. 1
Context information brings new opportunities for efficient and effective applications and services on mobile devices. A wide range of research has exploited context dependency, i.e. the relations between context(s) and the outcome, to achieve significant, ...
 
K2: a mobile operating system for heterogeneous coherence domains
Found in: Proceedings of the 19th international conference on Architectural support for programming languages and operating systems (ASPLOS '14)
By Felix Xiaozhu Lin, Lin Zhong, Zhen Wang
Issue Date:March 2014
pp. 285-300
Mobile System-on-Chips (SoC) that incorporate heterogeneous coherence domains promise high energy efficiency to a wide range of mobile applications, yet are difficult to program. To exploit the architecture, a desirable, yet missing capability is to replic...
     
Handling Noise in Single Image Deblurring Using Directional Filters
Found in: 2013 IEEE Conference on Computer Vision and Pattern Recognition (CVPR)
By Lin Zhong,Sunghyun Cho,Dimitris Metaxas,Sylvain Paris,Jue Wang
Issue Date:June 2013
pp. 612-619
State-of-the-art single image deblurring techniques are sensitive to image noise. Even a small amount of noise, which is inevitable in low-light conditions, can degrade the quality of blur kernel estimation dramatically. The recent approach of Tai and Lin ...
 
How far can client-only solutions go for mobile browser speed?
Found in: Proceedings of the 21st international conference on World Wide Web (WWW '12)
By Felix Xiaozhu Lin, Lin Zhong, Mansoor Chishtie, Zhen Wang
Issue Date:April 2012
pp. 31-40
Mobile browser is known to be slow because of the bottleneck in resource loading. Client-only solutions to improve resource loading are attractive because they are immediately deployable, scalable, and secure. We present the first publicly known treatment ...
     
Reflex: using low-power processors in smartphones without knowing them
Found in: Proceedings of the seventeenth international conference on Architectural Support for Programming Languages and Operating Systems (ASPLOS '12)
By Lin Zhong, Robert LiKamWa, Zhen Wang, Felix Xiaozhu Lin
Issue Date:March 2012
pp. 13-24
To accomplish frequent, simple tasks with high efficiency, it is necessary to leverage low-power, microcontroller-like processors that are increasingly available on mobile systems. However, existing solutions require developers to directly program the low-...
     
Why are web browsers slow on smartphones?
Found in: Proceedings of the 12th Workshop on Mobile Computing Systems and Applications (HotMobile '11)
By Lin Zhong, Mansoor Chishtie, Zhen Wang, Felix Xiaozhu Lin
Issue Date:March 2011
pp. 91-96
We report the first work that examines the internals of web browsers on smartphones, using the WebKit codebase, two generations of Android smartphones, and webpages visited by 25 smart-phone users over three months. We make many surprising findings. First,...
     
NoShake: Content stabilization for shaking screens of mobile devices
Found in: Pervasive Computing and Communications, IEEE International Conference on
By Ahmad Rahmati, Clayton Shepard, Lin Zhong
Issue Date:March 2009
pp. 1-6
Consumer electronics and mobile devices intended for pervasive applications are often subject to shaking that makes their screen difficult to read. To address this usability challenge, we present NoShake, a system for screen content stabilization. NoShake ...
 
Power estimation for cycle-accurate functional descriptions of hardware
Found in: Computer-Aided Design, International Conference on
By Lin Zhong, S. Ravi, A. Raghunathan, N.K. Jha
Issue Date:November 2004
pp. 668-675
Cycle-accurate functional descriptions (CAFD) are being widely adopted in integrated circuit (IC) design flows. Power estimation can potentially benefit from the inherent increase in simulation efficiency of cycle-based functional simulation. Currently, mo...
 
I/o paravirtualization at the device file boundary
Found in: Proceedings of the 19th international conference on Architectural support for programming languages and operating systems (ASPLOS '14)
By Ardalan Amiri Sani, Kevin Boos, Lin Zhong, Shaopu Qin
Issue Date:March 2014
pp. 319-332
Paravirtualization is an important I/O virtualization technology since it uniquely provides all of the following benefits: the ability to share the device between multiple VMs, support for legacy devices without virtualization hardware, and high performanc...
     
ArgosV2: a flexible many-antenna research platform
Found in: Proceedings of the 19th annual international conference on Mobile computing & networking (MobiCom '13)
By Clayton Shepard, Hang Yu, Lin Zhong
Issue Date:September 2013
pp. 163-166
Many-antenna base stations are a rapidly growing field in wireless research. A plethora of new theoretical techniques have been recently proposed for many-antenna base stations and networks. However, without experimental validation, it is difficult or impo...
     
How does energy accounting matter for energy management?
Found in: Proceedings of the ACM SIGMETRICS/international conference on Measurement and modeling of computer systems (SIGMETRICS '13)
By Lin Zhong, Mian Dong, Tian Lan
Issue Date:June 2013
pp. 361-362
Different from the IP-based routers, Named Data Networking routers forward packets by content names, which consist of characters and have variable and unbounded length. This kind of complex name constitution plus the huge-sized name routing table makes wir...
     
System energy consumption is a multi-player game
Found in: Proceedings of the International Conference on Computer-Aided Design (ICCAD '12)
By Lin Zhong, Mian Dong, Tian Lan
Issue Date:November 2012
pp. 351-352
The ability to account system resource usage by software is the key to the design and optimization of modern computer systems. For example, scheduling and memory management are two classic operating system (OS) functions based on the ability to account the...
     
Argos: practical many-antenna base stations
Found in: Proceedings of the 18th annual international conference on Mobile computing and networking (Mobicom '12)
By Clayton Shepard, Erran Li, Hang Yu, Lin Zhong, Narendra Anand, Richard Yang, Thomas Marzetta
Issue Date:August 2012
pp. 53-64
Multi-user multiple-input multiple-output theory predicts manyfold capacity gains by leveraging many antennas on wireless base stations to serve multiple clients simultaneously through multi-user beamforming (MUBF). However, realizing a base station with a...
     
VISION: cloud-powered sight for all: showing the cloud what you see
Found in: Proceedings of the third ACM workshop on Mobile cloud computing and services (MCS '12)
By Lin Zhong, Matthai Philipose, Paramvir Bahl
Issue Date:June 2012
pp. 53-60
We argue that for computers to do more for us, we need to show the cloud what we see and embrace cloud-powered sight for mobile users. We present sample applications that will be empowered by this vision, discuss why the timing is right to tackle it, and o...
     
Content quality based image retrieval with multiple instance boost ranking
Found in: Proceedings of the 19th ACM international conference on Multimedia (MM '11)
By Dimitris Metaxas, Hui Li, Lin Zhong, Peng Yang, Qingshan Liu
Issue Date:November 2011
pp. 1193-1196
Most previous works treated image retrieval as a classification problem or a similarity measurement problem. In this paper, we propose a new idea for image retrieval, in which we regard image retrieval as a ranking issue by evaluating image content quality...
     
Data broadcasting using mobile FM radio: design, realization and application
Found in: Proceedings of the 13th international conference on Ubiquitous computing (UbiComp '11)
By Ahmad Rahmati, Ardalan Amiri Sani, Hang Yu, Jehan Wickramasuriya, Lin Zhong, Venu Vasudevan
Issue Date:September 2011
pp. 247-256
In this work, we offer a novel system, MicroStation (μStation) that allows ubiquitous data broadcasting applications using the FM radio on mobile devices such as smartphones. μStation includes two key modules to enable data broadcasting based on ...
     
Demo: chameleon: a color-adaptive web browser for mobile OLED displays
Found in: Proceedings of the 9th international conference on Mobile systems, applications, and services (MobiSys '11)
By Lin Zhong, Mian Dong
Issue Date:June 2011
pp. 375-376
Due to their thin size, vivid colors, high contrast and power efficiency, OLED and its variants such as AMOLED screens are increasingly replacing traditional LCD screens in mobile phones (eg. Google Nexus One, Samsung Galaxy S phones). However, the power e...
     
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