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 Yizhou Wang

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Average citations per article6.35
Citation Count165
Publication count26
Publication years2002-2016
Available for download10
Average downloads per article461.00
Downloads (cumulative)4,610
Downloads (12 Months)712
Downloads (6 Weeks)61
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26 results found Export Results: bibtexendnoteacmrefcsv

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1
December 2016 NIPS'16: Proceedings of the 30th International Conference on Neural Information Processing Systems
Publisher: Curran Associates Inc.
Bibliometrics:
Citation Count: 0
Downloads (6 Weeks): 0,   Downloads (12 Months): 0,   Downloads (Overall): 0

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The iterations of many sparse estimation algorithms are comprised of a fixed linear filter cascaded with a thresholding nonlinearity, which collectively resemble a typical neural network layer. Consequently, a lengthy sequence of algorithm iterations can be viewed as a deep network with shared, hand-crafted layer weights. It is therefore quite ...

2 published by ACM
October 2016 MM '16: Proceedings of the 2016 ACM on Multimedia Conference
Publisher: ACM
Bibliometrics:
Citation Count: 1
Downloads (6 Weeks): 10,   Downloads (12 Months): 97,   Downloads (Overall): 178

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In the literature of cross-modal search, most methods employ linear models to pursue hash codes that preserve data similarity, in terms of Euclidean distance, both within-modal and across-modal. However, data dimensionality can be quite different across modalities. It is known that the behavior of Euclidean distance/similarity between datapoints can be ...
Keywords: cross-modal, neighborhood-preserving, hashing

3 published by ACM
May 2016 ACM Transactions on Intelligent Systems and Technology (TIST) - Special Issue on Crowd in Intelligent Systems, Research Note/Short Paper and Regular Papers: Volume 7 Issue 4, July 2016
Publisher: ACM
Bibliometrics:
Citation Count: 1
Downloads (6 Weeks): 13,   Downloads (12 Months): 157,   Downloads (Overall): 278

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Generalized fused lasso (GFL) penalizes variables with l 1 norms based both on the variables and their pairwise differences. GFL is useful when applied to data where prior information is expressed using a graph over the variables. However, the existing GFL algorithms incur high computational costs and do not scale ...
Keywords: Alzheimer’s disease, parametric cut, Generalized fused lasso, background subtraction

4
February 2016 AAAI'16: Proceedings of the Thirtieth AAAI Conference on Artificial Intelligence
Publisher: AAAI Press
Bibliometrics:
Citation Count: 0

Modeling complex crowd behaviour for tasks such as rare event detection has received increasing interest. However, existing methods are limited because (1) they are sensitive to noise often resulting in a large number of false alarms; and (2) they rely on elaborate models leading to high computational cost thus unsuitable ...

5
February 2016 AAAI'16: Proceedings of the Thirtieth AAAI Conference on Artificial Intelligence
Publisher: AAAI Press
Bibliometrics:
Citation Count: 0

Pose-based action recognition in 3D is the task of recognizing an action (e.g., walking or running) from a sequence of 3D skeletal poses. This is challenging because of variations due to different ways of performing the same action and inaccuracies in the estimation of the skeletal poses. The training data ...

6 published by ACM
November 2015 SenSys '15: Proceedings of the 13th ACM Conference on Embedded Networked Sensor Systems
Publisher: ACM
Bibliometrics:
Citation Count: 1
Downloads (6 Weeks): 9,   Downloads (12 Months): 114,   Downloads (Overall): 468

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Although location awareness and turn-by-turn instructions are prevalent outdoors due to GPS, we are back into the darkness in uninstrumented indoor environments such as underground parking structures. We get confused, disoriented when driving in these mazes, and frequently forget where we parked, ending up circling back and forth upon return.In ...
Keywords: vehicle real time tracking, indoor environments

7
July 2015 IJCAI'15: Proceedings of the 24th International Conference on Artificial Intelligence
Publisher: AAAI Press
Bibliometrics:
Citation Count: 15

Cross-modal hashing is designed to facilitate fast search across domains. In this work, we present a cross-modal hashing approach, called quantized correlation hashing (QCH), which takes into consideration the quantization loss over domains and the relation between domains. Unlike previous approaches that separate the optimization of the quantizer independent of ...

8 published by ACM
November 2014 SenSys '14: Proceedings of the 12th ACM Conference on Embedded Network Sensor Systems
Publisher: ACM
Bibliometrics:
Citation Count: 1
Downloads (6 Weeks): 3,   Downloads (12 Months): 29,   Downloads (Overall): 235

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We present VeLoc, a smartphone-based vehicle localization approach that tracks the vehicle's parking location without GPS or WiFi signals. It uses only the embedded accelerometer and gyroscope sensors. VeLoc harnesses constraints imposed by the map and landmarks (e.g., speed bumps) recognized from inertial data, employs a Bayesian filtering framework to ...

9 published by ACM
September 2014 MobiCom '14: Proceedings of the 20th annual international conference on Mobile computing and networking
Publisher: ACM
Bibliometrics:
Citation Count: 24
Downloads (6 Weeks): 15,   Downloads (12 Months): 208,   Downloads (Overall): 2,102

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The lack of floor plans is a critical reason behind the current sporadic availability of indoor localization service. Service providers have to go through effort-intensive and time-consuming business negotiations with building operators, or hire dedicated personnel to gather such data. In this paper, we propose Jigsaw, a floor plan reconstruction ...
Keywords: indoor floor plan reconstruction, mobile crowdsensing

10
July 2014 International Journal of Computer Vision: Volume 108 Issue 3, July 2014
Publisher: Kluwer Academic Publishers
Bibliometrics:
Citation Count: 4

We propose a computational model which computes the importance of 2-D object shape parts, and we apply it to detect and localize objects with and without occlusions. The importance of a shape part (a localized contour fragment) is considered from the perspective of its contribution to the perception and recognition ...
Keywords: Object recognition and detection, Shape part, Shape reconstruction, Part importance

11
July 2013 Pattern Recognition: Volume 46 Issue 7, July, 2013
Publisher: Elsevier Science Inc.
Bibliometrics:
Citation Count: 3

In this paper we present an instant action recognition method, which is able to recognize an action in real-time from only two continuous video frames. For the sake of instantaneity, we employ two types of computationally efficient but perceptually important features - optical flow and edges - to capture motion ...
Keywords: Feature mining, Frame-based action recognition

12
November 2012 ACCV'12: Proceedings of the 11th Asian conference on Computer Vision - Volume Part II
Publisher: Springer-Verlag
Bibliometrics:
Citation Count: 5

A typical scene category, e.g., street and beach, contains an enormous number ( e.g., in the order of 10 4 to 10 5 ) of distinct scene configurations that are composed of objects and regions of varying shapes in different layouts. A well-known representation that can effectively address such complexity ...

13 published by ACM
October 2012 MM '12: Proceedings of the 20th ACM international conference on Multimedia
Publisher: ACM
Bibliometrics:
Citation Count: 2
Downloads (6 Weeks): 0,   Downloads (12 Months): 11,   Downloads (Overall): 229

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With the recent booming of 3DTV industry, more and more stereoscopic videos are demanded by the market. This paper presents a system of converting conventional monocular videos to stereoscopic ones. In this system, an input video is firstly segmented into shots to reduce operations on similar frames. Then, automatic depth ...
Keywords: 3dtv, 2d-to-3d conversion, depth to disparity, depth estimation, foreground segmentation

14 published by ACM
August 2012 Journal on Computing and Cultural Heritage (JOCCH): Volume 5 Issue 2, July 2012
Publisher: ACM
Bibliometrics:
Citation Count: 1
Downloads (6 Weeks): 6,   Downloads (12 Months): 53,   Downloads (Overall): 425

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We propose a new method of annotating a masterpiece of traditional Chinese painting with voice dubbings and environmental sounds. The painting was created with moving focus drawing technique without rigorous perspective. A novel algorithm is proposed to infer the 3D space of the painting according to its layout and embed ...
Keywords: immersive experience, moving focus, virtual exhibition, Chinese paintings

15 published by ACM
December 2011 VRCAI '11: Proceedings of the 10th International Conference on Virtual Reality Continuum and Its Applications in Industry
Publisher: ACM
Bibliometrics:
Citation Count: 0
Downloads (6 Weeks): 4,   Downloads (12 Months): 20,   Downloads (Overall): 101

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This paper presents an interactive technique for generating stereoscopic images from traditional Chinese paintings. The technique exploits a traditional way of moving focus based spatial composition used by classical Chinese painters. According to the moving focus rules of depicting objects of a painting, each non-ground pixel has the same depth ...
Keywords: stereopsis, traditional Chinese paintings, e-heritage, exhibition of paintings

16
June 2011 International Journal of Computer Vision: Volume 93 Issue 2, June 2011
Publisher: Kluwer Academic Publishers
Bibliometrics:
Citation Count: 7

We propose a layered-grammar model to represent actions. Using this model, an action is represented by a set of grammar rules. The bottom layer of an action instance's parse tree contains action primitives such as spatiotemporal ( ST ) interest points . At each layer above, we iteratively mine grammar ...
Keywords: Action parse tree, Action recognition, Emerging pattern mining, Layered-grammar model

17 published by ACM
June 2010 NPAR '10: Proceedings of the 8th International Symposium on Non-Photorealistic Animation and Rendering
Publisher: ACM
Bibliometrics:
Citation Count: 10
Downloads (6 Weeks): 1,   Downloads (12 Months): 23,   Downloads (Overall): 594

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We present an interactive system that stylizes an input video into a painterly animation. The system consists of two phases. The first is an Video Parsing phase that extracts and labels semantic objects with different material properties (skin, hair, cloth, and so on) in the video, and then establishes robust ...
Keywords: video parsing, non-photorealistic rendering, painterly animation

18
October 2008 International Journal of Computer Vision: Volume 80 Issue 1, October 2008
Publisher: Kluwer Academic Publishers
Bibliometrics:
Citation Count: 4

When an image is viewed at varying resolutions, it is known to create discrete perceptual jumps or transitions amid the continuous intensity changes. In this paper, we study a perceptual scale-space theory which differs from the traditional image scale-space theory in two aspects. (i) In representation, the perceptual scale-space adopts ...
Keywords: Primal sketch, Scale-space, Generative modeling, Graph grammar, Image pyramid

19
January 2007 International Journal of Remote Sensing: Volume 28 Issue 21, October 2007
Publisher: Taylor & Francis, Inc.
Bibliometrics:
Citation Count: 0

Using remotely sensed data, landscape pattern analysis based on landscape metrics has been one of the major topics of landscape ecology, and more attention has been focused on the effects of spatial scale and the accuracy of remotely sensed data on landscape metrics. However, few studies have been conducted to ...

20
October 2005 ICCV '05: Proceedings of the Tenth IEEE International Conference on Computer Vision (ICCV'05) Volume 1 - Volume 01
Publisher: IEEE Computer Society
Bibliometrics:
Citation Count: 6

In this paper, we study a perceptual scale space by constructing a so-called sketch pyramid which augments the Gaussian and Laplacian pyramid representations in traditional image scale space theory. Each level of this sketch pyramid is a generic attributed graph � called the primal sketch which is inferred from the ...



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