Search Results for author: Yuchen Guo

Found 33 papers, 14 papers with code

Enhancing Robustness of LLM-Synthetic Text Detectors for Academic Writing: A Comprehensive Analysis

no code implementations16 Jan 2024 Zhicheng Dou, Yuchen Guo, Ching-Chun Chang, Huy H. Nguyen, Isao Echizen

In this paper, we present a comprehensive analysis of the impact of prompts on the text generated by LLMs and highlight the potential lack of robustness in one of the current state-of-the-art GPT detectors.

Human-Machine Cooperative Multimodal Learning Method for Cross-subject Olfactory Preference Recognition

no code implementations24 Nov 2023 Xiuxin Xia, Yuchen Guo, Yanwei Wang, Yuchao Yang, Yan Shi, Hong Men

Secondly, a complementary multimodal data mining strategy is proposed to effectively mine the common features of multimodal data representing odor information and the individual features in olfactory EEG representing individual emotional information.

EEG

Modeling Orders of User Behaviors via Differentiable Sorting: A Multi-task Framework to Predicting User Post-click Conversion

no code implementations18 Jul 2023 Menghan Wang, Jinming Yang, Yuchen Guo, Yuming Shen, Mengying Zhu, Yanlin Wang

Inspired by recent advances on differentiable sorting, in this paper, we propose a novel multi-task framework that leverages orders of user behaviors to predict user post-click conversion in an end-to-end approach.

Multi-Task Learning Selection bias

Consolidator: Mergeable Adapter with Grouped Connections for Visual Adaptation

1 code implementation30 Apr 2023 Tianxiang Hao, Hui Chen, Yuchen Guo, Guiguang Ding

To further enhance the model's capacity to transfer knowledge under a constrained storage budget and keep inference efficient, we consolidate the parameters in two stages: 1. between adaptation and storage, and 2. between loading and inference.

Hi Sheldon! Creating Deep Personalized Characters from TV Shows

no code implementations9 Apr 2023 Meidai Xuanyuan, Yuwang Wang, Honglei Guo, Xiao Ma, Yuchen Guo, Tao Yu, Qionghai Dai

To support this novel task, we further collect a character centric multimodal dialogue dataset, named Deep Personalized Character Dataset (DPCD), from TV shows.

Box-Level Active Detection

1 code implementation CVPR 2023 Mengyao Lyu, Jundong Zhou, Hui Chen, YiJie Huang, Dongdong Yu, Yaqian Li, Yandong Guo, Yuchen Guo, Liuyu Xiang, Guiguang Ding

Active learning selects informative samples for annotation within budget, which has proven efficient recently on object detection.

Active Learning object-detection +1

X-ReID: Cross-Instance Transformer for Identity-Level Person Re-Identification

no code implementations4 Feb 2023 Leqi Shen, Tao He, Yuchen Guo, Guiguang Ding

In this paper, we propose to promote Instance-Level features to Identity-Level features by employing cross-attention to incorporate information from one image to another of the same identity, thus more unified and discriminative pedestrian information can be obtained.

Person Re-Identification

DarkVision: A Benchmark for Low-light Image/Video Perception

no code implementations16 Jan 2023 Bo Zhang, Yuchen Guo, Runzhao Yang, Zhihong Zhang, Jiayi Xie, Jinli Suo, Qionghai Dai

In this paper, we contribute the first multi-illuminance, multi-camera, and low-light dataset, named DarkVision, serving for both image enhancement and object detection.

Autonomous Driving Image Enhancement +5

Ground Plane Matters: Picking Up Ground Plane Prior in Monocular 3D Object Detection

no code implementations3 Nov 2022 Fan Yang, Xinhao Xu, Hui Chen, Yuchen Guo, Jungong Han, Kai Ni, Guiguang Ding

To pick up the ground plane prior for M3OD, we propose a Ground Plane Enhanced Network (GPENet) which resolves both issues at one go.

Monocular 3D Object Detection object-detection

Automatic Landmark Detection and Registration of Brain Cortical Surfaces via Quasi-Conformal Geometry and Convolutional Neural Networks

no code implementations15 Aug 2022 Yuchen Guo, Qiguang Chen, Gary P. T. Choi, Lok Ming Lui

In this work, we propose a novel framework for the automatic landmark detection and registration of brain cortical surfaces using quasi-conformal geometry and convolutional neural networks.

JDRec: Practical Actor-Critic Framework for Online Combinatorial Recommender System

no code implementations27 Jul 2022 Xin Zhao, Zhiwei Fang, Yuchen Guo, Jie He, Wenlong Chen, Changping Peng

A combinatorial recommender (CR) system feeds a list of items to a user at a time in the result page, in which the user behavior is affected by both contextual information and items.

Combinatorial Optimization Recommendation Systems

A High-Accuracy Unsupervised Person Re-identification Method Using Auxiliary Information Mined from Datasets

1 code implementation6 May 2022 Hehan Teng, Tao He, Yuchen Guo, Guiguang Ding

Combined with auxiliary information exploiting modules, our methods achieve mAP of 89. 9% on DukeMTMC, where TOC, STS and SCP all contributed considerable performance improvements.

STS Unsupervised Person Re-Identification

MP2: A Momentum Contrast Approach for Recommendation with Pointwise and Pairwise Learning

no code implementations18 Apr 2022 Menghan Wang, Yuchen Guo, Zhenqi Zhao, Guangzheng Hu, Yuming Shen, Mingming Gong, Philip Torr

To alleviate the influence of the annotation bias, we perform a momentum update to ensure a consistent item representation.

TAGPerson: A Target-Aware Generation Pipeline for Person Re-identification

1 code implementation28 Dec 2021 Kai Chen, Weihua Chen, Tao He, Rong Du, Fan Wang, Xiuyu Sun, Yuchen Guo, Guiguang Ding

In TAGPerson, we extract information from target scenes and use them to control our parameterized rendering process to generate target-aware synthetic images, which would hold a smaller gap to the real images in the target domain.

Person Re-Identification

Camera Bias Regularization for Person Re-identification

no code implementations29 Sep 2021 Tao He, Tongkun Xu, Weihua Chen, Yuchen Guo, Guiguang Ding, Zhenhua Guo

Due to the discrepancies between cameras caused by illumination, background, or viewpoint, the underlying difficulty for Re-ID is the camera bias problem, which leads to the large gap of within-identity features from different cameras.

Person Re-Identification

LODE: Deep Local Deblurring and A New Benchmark

1 code implementation19 Sep 2021 Zerun Wang, Liuyu Xiang, Fan Yang, Jinzhao Qian, Jie Hu, Haidong Huang, Jungong Han, Yuchen Guo, Guiguang Ding

While recent deep deblurring algorithms have achieved remarkable progress, most existing methods focus on the global deblurring problem, where the image blur mostly arises from severe camera shake.

Deblurring

Manipulating Identical Filter Redundancy for Efficient Pruning on Deep and Complicated CNN

2 code implementations30 Jul 2021 Xiaohan Ding, Tianxiang Hao, Jungong Han, Yuchen Guo, Guiguang Ding

The existence of redundancy in Convolutional Neural Networks (CNNs) enables us to remove some filters/channels with acceptable performance drops.

Network Pruning

IEEE 802.11be-Wi-Fi 7: New Challenges and Opportunities

no code implementations27 Jul 2020 Cailian Deng, Xuming Fang, Xiao Han, Xianbin Wang, Li Yan, Rong He, Yan Long, Yuchen Guo

Due to the related stringent requirements, supporting these applications over wireless local area network (WLAN) is far beyond the capabilities of the new WLAN standard -- IEEE 802. 11ax.

4k 8k

ResRep: Lossless CNN Pruning via Decoupling Remembering and Forgetting

6 code implementations ICCV 2021 Xiaohan Ding, Tianxiang Hao, Jianchao Tan, Ji Liu, Jungong Han, Yuchen Guo, Guiguang Ding

Via training with regular SGD on the former but a novel update rule with penalty gradients on the latter, we realize structured sparsity.

PANDA: A Gigapixel-level Human-centric Video Dataset

no code implementations CVPR 2020 Xueyang Wang, Xiya Zhang, Yinheng Zhu, Yuchen Guo, Xiaoyun Yuan, Liuyu Xiang, Zerun Wang, Guiguang Ding, David J. Brady, Qionghai Dai, Lu Fang

We believe PANDA will contribute to the community of artificial intelligence and praxeology by understanding human behaviors and interactions in large-scale real-world scenes.

4k Attribute +1

Topic-aware chatbot using Recurrent Neural Networks and Nonnegative Matrix Factorization

2 code implementations1 Dec 2019 Yuchen Guo, Nicholas Hanoian, Zhexiao Lin, Nicholas Liskij, Hanbaek Lyu, Deanna Needell, Jiahao Qu, Henry Sojico, Yuliang Wang, Zhe Xiong, Zhenhong Zou

We propose a novel model for a topic-aware chatbot by combining the traditional Recurrent Neural Network (RNN) encoder-decoder model with a topic attention layer based on Nonnegative Matrix Factorization (NMF).

Chatbot

Global Sparse Momentum SGD for Pruning Very Deep Neural Networks

4 code implementations NeurIPS 2019 Xiaohan Ding, Guiguang Ding, Xiangxin Zhou, Yuchen Guo, Jungong Han, Ji Liu

Deep Neural Network (DNN) is powerful but computationally expensive and memory intensive, thus impeding its practical usage on resource-constrained front-end devices.

Model Compression

The Prevalence of Errors in Machine Learning Experiments

no code implementations10 Sep 2019 Martin Shepperd, Yuchen Guo, Ning li, Mahir Arzoky, Andrea Capiluppi, Steve Counsell, Giuseppe Destefanis, Stephen Swift, Allan Tucker, Leila Yousefi

Objective: We investigate the incidence of errors in a sample of machine learning experiments in the domain of software defect prediction.

BIG-bench Machine Learning

ACNet: Strengthening the Kernel Skeletons for Powerful CNN via Asymmetric Convolution Blocks

5 code implementations ICCV 2019 Xiaohan Ding, Yuchen Guo, Guiguang Ding, Jungong Han

We propose Asymmetric Convolution Block (ACB), an architecture-neutral structure as a CNN building block, which uses 1D asymmetric convolutions to strengthen the square convolution kernels.

Attribute

Approximated Oracle Filter Pruning for Destructive CNN Width Optimization

1 code implementation12 May 2019 Xiaohan Ding, Guiguang Ding, Yuchen Guo, Jungong Han, Chenggang Yan

It is not easy to design and run Convolutional Neural Networks (CNNs) due to: 1) finding the optimal number of filters (i. e., the width) at each layer is tricky, given an architecture; and 2) the computational intensity of CNNs impedes the deployment on computationally limited devices.

Centripetal SGD for Pruning Very Deep Convolutional Networks with Complicated Structure

1 code implementation CVPR 2019 Xiaohan Ding, Guiguang Ding, Yuchen Guo, Jungong Han

The redundancy is widely recognized in Convolutional Neural Networks (CNNs), which enables to remove unimportant filters from convolutional layers so as to slim the network with acceptable performance drop.

Collective Matrix Factorization Hashing for Multimodal Data

no code implementations CVPR 2014 Guiguang Ding, Yuchen Guo, Jile Zhou

In this paper, we study the problems of learning hash functions in the context of multimodal data for cross-view similarity search.

Information Retrieval Retrieval

Transfer Sparse Coding for Robust Image Representation

no code implementations CVPR 2013 Mingsheng Long, Guiguang Ding, Jian-Min Wang, Jiaguang Sun, Yuchen Guo, Philip S. Yu

In this paper, we propose a Transfer Sparse Coding (TSC) approach to construct robust sparse representations for classifying cross-distribution images accurately.

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