Search Results for author: Zhiyuan Shi

Found 11 papers, 0 papers with code

WiFi-based Spatiotemporal Human Action Perception

no code implementations20 Jun 2022 Yanling Hao, Zhiyuan Shi, Yuanwei Liu

WiFi-based sensing for human activity recognition (HAR) has recently become a hot topic as it brings great benefits when compared with video-based HAR, such as eliminating the demands of line-of-sight (LOS) and preserving privacy.

Human Activity Recognition

A Wireless-Vision Dataset for Privacy Preserving Human Activity Recognition

no code implementations24 May 2022 Yanling Hao, Zhiyuan Shi, Yuanwei Liu

Human Activity Recognition (HAR) has recently received remarkable attention in numerous applications such as assisted living and remote monitoring.

Action Segmentation Human Activity Recognition +1

GraSens: A Gabor Residual Anti-aliasing Sensing Framework for Action Recognition using WiFi

no code implementations24 May 2022 Yanling Hao, Zhiyuan Shi, Xidong Mu, Yuanwei Liu

WiFi-based human action recognition (HAR) has been regarded as a promising solution in applications such as smart living and remote monitoring due to the pervasive and unobtrusive nature of WiFi signals.

Action Recognition Temporal Action Localization

Weakly Supervised Image Annotation and Segmentation with Objects and Attributes

no code implementations8 Aug 2017 Zhiyuan Shi, Yongxin Yang, Timothy M. Hospedales, Tao Xiang

We propose to model complex visual scenes using a non-parametric Bayesian model learned from weakly labelled images abundant on media sharing sites such as Flickr.

Attribute Object +5

Bayesian Joint Modelling for Object Localisation in Weakly Labelled Images

no code implementations19 Jun 2017 Zhiyuan Shi, Timothy M. Hospedales, Tao Xiang

We address the problem of localisation of objects as bounding boxes in images and videos with weak labels.

Domain Adaptation Object +1

Transferring a Semantic Representation for Person Re-Identification and Search

no code implementations CVPR 2015 Zhiyuan Shi, Timothy M. Hospedales, Tao Xiang

Learning semantic attributes for person re-identification and description-based person search has gained increasing interest due to attributes' great potential as a pose and view-invariant representation.

Attribute Person Re-Identification +1

Bayesian Joint Topic Modelling for Weakly Supervised Object Localisation

no code implementations9 May 2017 Zhiyuan Shi, Timothy M. Hospedales, Tao Xiang

(3) Our model can be learned with a mixture of weakly labelled and unlabelled data, allowing the large volume of unlabelled images on the Internet to be exploited for learning.

Object

Transfer Learning by Ranking for Weakly Supervised Object Annotation

no code implementations2 May 2017 Zhiyuan Shi, Parthipan Siva, Tao Xiang

Most existing approaches to training object detectors rely on fully supervised learning, which requires the tedious manual annotation of object location in a training set.

Learning-To-Rank Object +1

Kinematic-Layout-aware Random Forests for Depth-based Action Recognition

no code implementations23 Jul 2016 Seungryul Baek, Zhiyuan Shi, Masato Kawade, Tae-Kyun Kim

In this paper, we tackle the problem of 24 hours-monitoring patient actions in a ward such as "stretching an arm out of the bed", "falling out of the bed", where temporal movements are subtle or significant.

Action Recognition Temporal Action Localization

Weakly Supervised Learning of Objects, Attributes and their Associations

no code implementations31 Mar 2015 Zhiyuan Shi, Yongxin Yang, Timothy M. Hospedales, Tao Xiang

When humans describe images they tend to use combinations of nouns and adjectives, corresponding to objects and their associated attributes respectively.

Attribute Object +2

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