Search Results for author: Sheng Zhong

Found 23 papers, 6 papers with code

Subtoxic Questions: Dive Into Attitude Change of LLM's Response in Jailbreak Attempts

no code implementations12 Apr 2024 Tianyu Zhang, Zixuan Zhao, Jiaqi Huang, Jingyu Hua, Sheng Zhong

As Large Language Models (LLMs) of Prompt Jailbreaking are getting more and more attention, it is of great significance to raise a generalized research paradigm to evaluate attack strengths and a basic model to conduct subtler experiments.

Powerful Lossy Compression for Noisy Images

no code implementations21 Mar 2024 Shilv Cai, Xiaoguo Liang, Shuning Cao, Luxin Yan, Sheng Zhong, Liqun Chen, Xu Zou

Image compression and denoising represent fundamental challenges in image processing with many real-world applications.

Denoising Image Compression

Dual-Space Optimization: Improved Molecule Sequence Design by Latent Prompt Transformer

no code implementations27 Feb 2024 Deqian Kong, Yuhao Huang, Jianwen Xie, Edouardo Honig, Ming Xu, Shuanghong Xue, Pei Lin, Sanping Zhou, Sheng Zhong, Nanning Zheng, Ying Nian Wu

Designing molecules with desirable properties, such as drug-likeliness and high binding affinities towards protein targets, is a challenging problem.

A Grammatical Compositional Model for Video Action Detection

no code implementations4 Oct 2023 Zhijun Zhang, Xu Zou, Jiahuan Zhou, Sheng Zhong, Ying Wu

Analysis of human actions in videos demands understanding complex human dynamics, as well as the interaction between actors and context.

Action Detection Human Dynamics

Make Lossy Compression Meaningful for Low-Light Images

1 code implementation24 May 2023 Shilv Cai, Liqun Chen, Sheng Zhong, Luxin Yan, Jiahuan Zhou, Xu Zou

Experimental results show that our proposed joint solution achieves a significant improvement over different combinations of existing state-of-the-art sequential ``Compress before Enhance'' or ``Enhance before Compress'' solutions for low-light images, which would make lossy low-light image compression more meaningful.

Image Compression Low-Light Image Enhancement

CHSEL: Producing Diverse Plausible Pose Estimates from Contact and Free Space Data

1 code implementation14 May 2023 Sheng Zhong, Nima Fazeli, Dmitry Berenson

Rather than attempting to estimate the true pose of the object, which is not tractable without a large number of contacts, we seek to estimate a plausible set of poses which obey the constraints imposed by the sensor data.

Pose Estimation

Secure Split Learning against Property Inference, Data Reconstruction, and Feature Space Hijacking Attacks

no code implementations19 Apr 2023 Yunlong Mao, Zexi Xin, Zhenyu Li, Jue Hong, Qingyou Yang, Sheng Zhong

Split learning of deep neural networks (SplitNN) has provided a promising solution to learning jointly for the mutual interest of a guest and a host, which may come from different backgrounds, holding features partitioned vertically.

Privacy Preserving

High-Fidelity Variable-Rate Image Compression via Invertible Activation Transformation

1 code implementation12 Sep 2022 Shilv Cai, Zhijun Zhang, Liqun Chen, Luxin Yan, Sheng Zhong, Xu Zou

We implement the IAT in a mathematical invertible manner on a single rate Invertible Neural Network (INN) based model and the quality level (QLevel) would be fed into the IAT to generate scaling and bias tensors.

Image Compression Vocal Bursts Intensity Prediction

Towards Practical and Efficient Long Video Summary

1 code implementation ICASSP 2022 Xiaopeng Ke, Boyu Chang, Hao Wu, Fengyuan Xu, Sheng Zhong

Recently, video summarization (VS) techniques are widely used to alleviate huge processing pressure brought by numerous long videos.

Video Summarization

Category-Aware Transformer Network for Better Human-Object Interaction Detection

no code implementations CVPR 2022 Leizhen Dong, Zhimin Li, Kunlun Xu, Zhijun Zhang, Luxin Yan, Sheng Zhong, Xu Zou

Specifically, the Object Query would be initialized via category priors represented by an external object detection model to yield better performance.

Human-Object Interaction Detection Object +2

Effective Actor-centric Human-object Interaction Detection

no code implementations24 Feb 2022 Kunlun Xu, Zhimin Li, Zhijun Zhang, Leizhen Dong, Wenhui Xu, Luxin Yan, Sheng Zhong, Xu Zou

Moreover, we also use an actor branch to get interaction prediction of the actor and propose a novel composition strategy based on center-point indexing to generate the final HOI prediction.

Human-Object Interaction Detection Object

Learning Oriented Remote Sensing Object Detection via Naive Geometric Computing

no code implementations1 Dec 2021 Yanjie Wang, Xu Zou, Zhijun Zhang, Wenhui Xu, Liqun Chen, Sheng Zhong, Luxin Yan, Guodong Wang

Detecting oriented objects along with estimating their rotation information is one crucial step for analyzing remote sensing images.

object-detection Object Detection +2

Self-supervised Incremental Deep Graph Learning for Ethereum Phishing Scam Detection

no code implementations18 Jun 2021 Shucheng Li, Fengyuan Xu, Runchuan Wang, Sheng Zhong

In our model, two pretext tasks designed from spatial and temporal perspectives help us effectively learn useful node embedding from the huge amount of unlabelled transaction data.

Graph Learning Node Classification

LEAP: TrustZone Based Developer-Friendly TEE for Intelligent Mobile Apps

no code implementations4 Feb 2021 Lizhi Sun, Shuocheng Wang, Hao Wu, Yuhang Gong, Fengyuan Xu, Yunxin Liu, Hao Han, Sheng Zhong

ARM TrustZone is widely deployed on commercial-off-the-shelf mobile devices for secure execution.

Cryptography and Security

TAMPC: A Controller for Escaping Traps in Novel Environments

1 code implementation23 Oct 2020 Sheng Zhong, Zhenyuan Zhang, Nima Fazeli, Dmitry Berenson

We propose an approach to online model adaptation and control in the challenging case of hybrid and discontinuous dynamics where actions may lead to difficult-to-escape "trap" states, under a given controller.

Model Predictive Control

Optimizing Generative Adversarial Networks for Image Super Resolution via Latent Space Regularization

no code implementations22 Jan 2020 Sheng Zhong, Shifu Zhou

But the results of existing methods still exhibit many unpleasant artifacts and distortions even for the cases where the desired ground truth target images are available for supervised learning such as in single image super resolution (SISR).

Image Super-Resolution

Discussion among Different Methods of Updating Model Filter in Object Tracking

no code implementations21 Nov 2017 Taihang Dong, Sheng Zhong

Discriminative correlation filters (DCF) have recently shown excellent performance in visual object tracking area.

Object Visual Object Tracking

Transformed Low-Rank Model for Line Pattern Noise Removal

no code implementations ICCV 2017 Yi Chang, Luxin Yan, Sheng Zhong

This paper addresses the problem of line pattern noise removal from a single image, such as rain streak, hyperspectral stripe and so on.

Weighted Low-rank Tensor Recovery for Hyperspectral Image Restoration

no code implementations1 Sep 2017 Yi Chang, Luxin Yan, Houzhang Fang, Sheng Zhong, Zhijun Zhang

To overcome these limitations, in this work, we propose a unified low-rank tensor recovery model for comprehensive HSI restoration tasks, in which non-local similarity between spectral-spatial cubic and spectral correlation are simultaneously captured by 3-order tensors.

Deblurring Denoising +3

Hyper-Laplacian Regularized Unidirectional Low-Rank Tensor Recovery for Multispectral Image Denoising

no code implementations CVPR 2017 Yi Chang, Luxin Yan, Sheng Zhong

Recent low-rank based matrix/tensor recovery methods have been widely explored in multispectral images (MSI) denoising.

Image Denoising

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