activity
20122014
most citedHeterogeneous Multi-task Learning for Human Pose Estimation with Deep Convolutional Neural Network

46 citations · 87 across the 7 of their papers we have counts for

collaborators

8 papers

cs.CV2014★ 46 cited

Heterogeneous Multi-task Learning for Human Pose Estimation with Deep Convolutional Neural Network

Sijin Li, Zhi-Qiang Liu, Antoni B. Chan

We propose an heterogeneous multi-task learning framework for human pose estimation from monocular image with deep convolutional neural network. In particular, we simultaneously le…

cs.CV2014★ 2 cited

ESSP: An Efficient Approach to Minimizing Dense and Nonsubmodular Energy Functions

Wei Feng, Jiaya Jia, Zhi-Qiang Liu

Many recent advances in computer vision have demonstrated the impressive power of dense and nonsubmodular energy functions in solving visual labeling problems. However, minimizing…

cs.LG2013★ 5 cited

Towards Big Topic Modeling

Jian-Feng Yan, Jia Zeng, Zhi-Qiang Liu +1

To solve the big topic modeling problem, we need to reduce both time and space complexities of batch latent Dirichlet allocation (LDA) algorithms. Although parallel LDA algorithms…

cs.LG2012★ 21 cited

Fast Online EM for Big Topic Modeling

Jia Zeng, Zhi-Qiang Liu, Xiao-Qin Cao

The expectation-maximization (EM) algorithm can compute the maximum-likelihood (ML) or maximum a posterior (MAP) point estimate of the mixture models or latent variable models such…

cs.LG2012★ 7 cited

Communication-Efficient Parallel Belief Propagation for Latent Dirichlet Allocation

Jian-feng Yan, Zhi-Qiang Liu, Yang Gao +1

This paper presents a novel communication-efficient parallel belief propagation (CE-PBP) algorithm for training latent Dirichlet allocation (LDA). Based on the synchronous belief p…

cs.LG2012★ 4 cited

Memory-Efficient Topic Modeling

Jia Zeng, Zhi-Qiang Liu, Xiao-Qin Cao

As one of the simplest probabilistic topic modeling techniques, latent Dirichlet allocation (LDA) has found many important applications in text mining, computer vision and computat…