Search Results for author: Zhenyu Wu

Found 27 papers, 14 papers with code

Instructing Large Language Models to Identify and Ignore Irrelevant Conditions

1 code implementation19 Mar 2024 Zhenyu Wu, Chao Shen, Meng Jiang

Lastly it instructs the LLMs with the verification on relevant and irrelevant conditions to avoid confusion and improve reasoning paths.

Math Mathematical Reasoning

Decoupled Federated Learning on Long-Tailed and Non-IID data with Feature Statistics

no code implementations13 Mar 2024 Zhuoxin Chen, Zhenyu Wu, Yang Ji

In the second stage, DFL-FS employs federated feature regeneration based on global feature statistics and utilizes resampling and weighted covariance to calibrate the global classifier to enhance the model's adaptability to long-tailed data distributions.

Federated Learning

TaE: Task-aware Expandable Representation for Long Tail Class Incremental Learning

no code implementations8 Feb 2024 Linjie Li, S. Liu, Zhenyu Wu, Ji Yang

Existing methods mainly focus on preserving representative samples from previous classes to combat catastrophic forgetting.

Class Incremental Learning Incremental Learning

Colorectal Polyp Segmentation in the Deep Learning Era: A Comprehensive Survey

no code implementations22 Jan 2024 Zhenyu Wu, Fengmao Lv, Chenglizhao Chen, Aimin Hao, Shuo Li

Colorectal polyp segmentation (CPS), an essential problem in medical image analysis, has garnered growing research attention.

Attribute Out-of-Distribution Generalization

Get an A in Math: Progressive Rectification Prompting

1 code implementation11 Dec 2023 Zhenyu Wu, Meng Jiang, Chao Shen

Given an initial answer from CoT, PRP iterates a verify-then-rectify process to progressively identify incorrect answers and rectify the reasoning paths.

Math

Anyview: Generalizable Indoor 3D Object Detection with Variable Frames

no code implementations9 Oct 2023 Zhenyu Wu, Xiuwei Xu, Ziwei Wang, Chong Xia, Linqing Zhao, Jiwen Lu, Haibin Yan

Existing methods only consider fixed frames of input data for a single detector, such as monocular RGB-D images or point clouds reconstructed from dense multi-view RGB-D images.

3D Object Detection Object +2

SOAR: Scene-debiasing Open-set Action Recognition

1 code implementation ICCV 2023 Yuanhao Zhai, Ziyi Liu, Zhenyu Wu, Yi Wu, Chunluan Zhou, David Doermann, Junsong Yuan, Gang Hua

The former prevents the decoder from reconstructing the video background given video features, and thus helps reduce the background information in feature learning.

Open Set Action Recognition Scene Classification

centroIDA: Cross-Domain Class Discrepancy Minimization Based on Accumulative Class-Centroids for Imbalanced Domain Adaptation

no code implementations21 Aug 2023 Xiaona Sun, Zhenyu Wu, Yichen Liu, Saier Hu, ZhiQiang Zhan, Yang Ji

Unsupervised Domain Adaptation (UDA) approaches address the covariate shift problem by minimizing the distribution discrepancy between the source and target domains, assuming that the label distribution is invariant across domains.

Robust classification Unsupervised Domain Adaptation

Dual-Branch Temperature Scaling Calibration for Long-Tailed Recognition

no code implementations16 Aug 2023 Jialin Guo, Zhenyu Wu, ZhiQiang Zhan, Yang Ji

Moreover, we noticed that the traditional calibration evaluation metric, Excepted Calibration Error (ECE), gives a higher weight to low-confidence samples in the minority classes, which leads to inaccurate evaluation of model calibration.

Embodied Task Planning with Large Language Models

1 code implementation4 Jul 2023 Zhenyu Wu, Ziwei Wang, Xiuwei Xu, Jiwen Lu, Haibin Yan

Equipping embodied agents with commonsense is important for robots to successfully complete complex human instructions in general environments.

Improvements on Recommender System based on Mathematical Principles

no code implementations26 Apr 2023 Fu Chen, Junkang Zou, Lingfeng Zhou, Zekai Xu, Zhenyu Wu

In this article, we will research the Recommender System's implementation about how it works and the algorithms used.

Recommendation Systems

OpenICL: An Open-Source Framework for In-context Learning

3 code implementations6 Mar 2023 Zhenyu Wu, Yaoxiang Wang, Jiacheng Ye, Jiangtao Feng, Jingjing Xu, Yu Qiao, Zhiyong Wu

However, the implementation of ICL is sophisticated due to the diverse retrieval and inference methods involved, as well as the varying pre-processing requirements for different models, datasets, and tasks.

In-Context Learning Language Modelling +4

Category-level Shape Estimation for Densely Cluttered Objects

no code implementations23 Feb 2023 Zhenyu Wu, Ziwei Wang, Jiwen Lu, Haibin Yan

Then we fuse the feature maps representing the visual information of multi-view RGB images and the pixel affinity learned from the clutter point cloud, where the acquired instance segmentation masks of multi-view RGB images are projected to partition the clutter point cloud.

Instance Segmentation Object +3

Pixel is All You Need: Adversarial Trajectory-Ensemble Active Learning for Salient Object Detection

no code implementations13 Dec 2022 Zhenyu Wu, Lin Wang, Wei Wang, Qing Xia, Chenglizhao Chen, Aimin Hao, Shuo Li

This paper attempts to answer this unexplored question by proving a hypothesis: there is a point-labeled dataset where saliency models trained on it can achieve equivalent performance when trained on the densely annotated dataset.

Active Learning Adversarial Attack +3

Salient Object Detection via Dynamic Scale Routing

1 code implementation25 Oct 2022 Zhenyu Wu, Shuai Li, Chenglizhao Chen, Hong Qin, Aimin Hao

First, instead of using the vanilla convolution with fixed kernel sizes for the encoder design, we propose the dynamic pyramid convolution (DPConv), which dynamically selects the best-suited kernel sizes w. r. t.

Object object-detection +2

Synthetic Data Supervised Salient Object Detection

1 code implementation25 Oct 2022 Zhenyu Wu, Lin Wang, Wei Wang, Tengfei Shi, Chenglizhao Chen, Aimin Hao, Shuo Li

In this paper, we propose a novel yet effective method for SOD, coined SODGAN, which can generate infinite high-quality image-mask pairs requiring only a few labeled data, and these synthesized pairs can replace the human-labeled DUTS-TR to train any off-the-shelf SOD model.

Code Generation Object +3

A Multi-purpose Realistic Haze Benchmark with Quantifiable Haze Levels and Ground Truth

no code implementations13 Jun 2022 Priya Narayanan, Xin Hu, Zhenyu Wu, Matthew D Thielke, John G Rogers, Andre V Harrison, John A D'Agostino, James D Brown, Long P Quang, James R Uplinger, Heesung Kwon, Zhangyang Wang

The full dataset presented in this paper, including the ground truth object classification bounding boxes and haze density measurements, is provided for the community to evaluate their algorithms at: https://a2i2-archangel. vision.

Object object-detection +3

E^2VTS: Energy-Efficient Video Text Spotting from Unmanned Aerial Vehicles

1 code implementation5 Jun 2022 Zhenyu Hu, Zhenyu Wu, Pengcheng Pi, Yunhe Xue, Jiayi Shen, Jianchao Tan, Xiangru Lian, Zhangyang Wang, Ji Liu

Unmanned Aerial Vehicles (UAVs) based video text spotting has been extensively used in civil and military domains.

Text Spotting

E^2TAD: An Energy-Efficient Tracking-based Action Detector

1 code implementation9 Apr 2022 Xin Hu, Zhenyu Wu, Hao-Yu Miao, Siqi Fan, Taiyu Long, Zhenyu Hu, Pengcheng Pi, Yi Wu, Zhou Ren, Zhangyang Wang, Gang Hua

Video action detection (spatio-temporal action localization) is usually the starting point for human-centric intelligent analysis of videos nowadays.

Fine-Grained Action Detection object-detection +3

Weakly-guided Self-supervised Pretraining for Temporal Activity Detection

1 code implementation26 Nov 2021 Kumara Kahatapitiya, Zhou Ren, Haoxiang Li, Zhenyu Wu, Michael S. Ryoo, Gang Hua

However, such pretrained models are not ideal for downstream detection, due to the disparity between the pretraining and the downstream fine-tuning tasks.

Action Detection Activity Detection +2

Semantic Reinforced Attention Learning for Visual Place Recognition

no code implementations19 Aug 2021 Guohao Peng, Yufeng Yue, Jun Zhang, Zhenyu Wu, Xiaoyu Tang, Danwei Wang

(2) By exploiting the interpretability of the local weighting scheme, a semantic constrained initialization is proposed so that the local attention can be reinforced by semantic priors.

Visual Place Recognition

Black-Box Diagnosis and Calibration on GAN Intra-Mode Collapse: A Pilot Study

1 code implementation23 Jul 2021 Zhenyu Wu, Zhaowen Wang, Ye Yuan, Jianming Zhang, Zhangyang Wang, Hailin Jin

Existing diversity tests of samples from GANs are usually conducted qualitatively on a small scale, and/or depends on the access to original training data as well as the trained model parameters.

Image Generation

PCAL: A Privacy-preserving Intelligent Credit Risk Modeling Framework Based on Adversarial Learning

no code implementations6 Oct 2020 Yuli Zheng, Zhenyu Wu, Ye Yuan, Tianlong Chen, Zhangyang Wang

While machine learning is increasingly used in this field, the resulting large-scale collection of user private information has reinvigorated the privacy debate, considering dozens of data breach incidents every year caused by unauthorized hackers, and (potentially even more) information misuse/abuse by authorized parties.

BIG-bench Machine Learning Privacy Preserving

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