Search Results for author: Xiaoyu Wu

Found 19 papers, 9 papers with code

PLPP: Prompt Learning with Perplexity Is Self-Distillation for Vision-Language Models

no code implementations18 Dec 2024 Biao Liu, Wenyi Fang, Xiaoyu Wu, Yang Zheng, Zheng Hu, Bo Yuan

A recent method, Context Optimization (CoOp), further improves the performance of VL models on downstream tasks by introducing prompt learning.

HiCo: Hierarchical Controllable Diffusion Model for Layout-to-image Generation

1 code implementation18 Oct 2024 Bo Cheng, Yuhang Ma, Liebucha Wu, Shanyuan Liu, Ao Ma, Xiaoyu Wu, Dawei Leng, Yuhui Yin

The task of layout-to-image generation involves synthesizing images based on the captions of objects and their spatial positions.

Disentanglement Layout-to-Image Generation

A Survey on Data Synthesis and Augmentation for Large Language Models

no code implementations16 Oct 2024 Ke Wang, Jiahui Zhu, Minjie Ren, Zeming Liu, Shiwei Li, Zongye Zhang, Chenkai Zhang, Xiaoyu Wu, Qiqi Zhan, Qingjie Liu, Yunhong Wang

The success of Large Language Models (LLMs) is inherently linked to the availability of vast, diverse, and high-quality data for training and evaluation.

Data Augmentation

Exploring Diffusion Models' Corruption Stage in Few-Shot Fine-tuning and Mitigating with Bayesian Neural Networks

no code implementations30 May 2024 Xiaoyu Wu, Jiaru Zhang, Yang Hua, Bohan Lyu, Hao Wang, Tao Song, Haibing Guan

Through this modeling, we identify the primary cause of this corruption stage: a narrowed learning distribution inherent in the nature of few-shot fine-tuning.

Variational Inference

CGI-DM: Digital Copyright Authentication for Diffusion Models via Contrasting Gradient Inversion

no code implementations CVPR 2024 Xiaoyu Wu, Yang Hua, Chumeng Liang, Jiaru Zhang, Hao Wang, Tao Song, Haibing Guan

In response, we present Contrasting Gradient Inversion for Diffusion Models (CGI-DM), a novel method featuring vivid visual representations for digital copyright authentication.

Image Generation

Targeted Attack Improves Protection against Unauthorized Diffusion Customization

2 code implementations7 Oct 2023 BoYang Zheng, Chumeng Liang, Xiaoyu Wu

In this paper, we propose a simple yet effective improvement for the protection against unauthorized diffusion customization by introducing targeted attacks.

Adversarial Attack Image Generation +1

Toward effective protection against diffusion based mimicry through score distillation

1 code implementation2 Oct 2023 Haotian Xue, Chumeng Liang, Xiaoyu Wu, Yongxin Chen

In this work, we present novel findings on attacking latent diffusion models (LDM) and propose new plug-and-play strategies for more effective protection.

What Makes Good Open-Vocabulary Detector: A Disassembling Perspective

no code implementations1 Sep 2023 Jincheng Li, Chunyu Xie, Xiaoyu Wu, Bin Wang, Dawei Leng

A two-stage object detector includes a visual backbone, a region proposal network (RPN), and a region of interest (RoI) head.

Object object-detection +2

Learning Prompt-Enhanced Context Features for Weakly-Supervised Video Anomaly Detection

1 code implementation26 Jun 2023 Yujiang Pu, Xiaoyu Wu, Lulu Yang, Shengjin Wang

Additionally, we propose a Prompt-Enhanced Learning (PEL) module that integrates semantic priors using knowledge-based prompts to boost the discriminative capacity of context features while ensuring separability between anomaly sub-classes.

Anomaly Detection In Surveillance Videos Video Anomaly Detection +1

Mist: Towards Improved Adversarial Examples for Diffusion Models

1 code implementation22 May 2023 Chumeng Liang, Xiaoyu Wu

Diffusion Models (DMs) have empowered great success in artificial-intelligence-generated content, especially in artwork creation, yet raising new concerns in intellectual properties and copyright.

Adversarial Defense

Adversarial Example Does Good: Preventing Painting Imitation from Diffusion Models via Adversarial Examples

2 code implementations9 Feb 2023 Chumeng Liang, Xiaoyu Wu, Yang Hua, Jiaru Zhang, Yiming Xue, Tao Song, Zhengui Xue, Ruhui Ma, Haibing Guan

Recently, Diffusion Models (DMs) boost a wave in AI for Art yet raise new copyright concerns, where infringers benefit from using unauthorized paintings to train DMs to generate novel paintings in a similar style.

Temporal and Contextual Transformer for Multi-Camera Editing of TV Shows

no code implementations17 Oct 2022 Anyi Rao, Xuekun Jiang, Sichen Wang, Yuwei Guo, Zihao Liu, Bo Dai, Long Pang, Xiaoyu Wu, Dahua Lin, Libiao Jin

The ability to choose an appropriate camera view among multiple cameras plays a vital role in TV shows delivery.

Locality-aware Attention Network with Discriminative Dynamics Learning for Weakly Supervised Anomaly Detection

no code implementations11 Aug 2022 Yujiang Pu, Xiaoyu Wu

Video anomaly detection is recently formulated as a multiple instance learning task under weak supervision, in which each video is treated as a bag of snippets to be determined whether contains anomalies.

Multiple Instance Learning Supervised Anomaly Detection +2

CCMB: A Large-scale Chinese Cross-modal Benchmark

1 code implementation8 May 2022 Chunyu Xie, Heng Cai, Jincheng Li, Fanjing Kong, Xiaoyu Wu, Jianfei Song, Henrique Morimitsu, Lin Yao, Dexin Wang, Xiangzheng Zhang, Dawei Leng, Baochang Zhang, Xiangyang Ji, Yafeng Deng

In this work, we build a large-scale high-quality Chinese Cross-Modal Benchmark named CCMB for the research community, which contains the currently largest public pre-training dataset Zero and five human-annotated fine-tuning datasets for downstream tasks.

Image Classification Image Retrieval +7

A Multi-Variate Triple-Regression Forecasting Algorithm for Long-Term Customized Allergy Season Prediction

no code implementations10 May 2020 Xiaoyu Wu, Zeyu Bai, Jianguo Jia, Youzhi Liang

In this paper, we propose a novel multi-variate algorithm using a triple-regression methodology to predict the airborne-pollen allergy season that can be customized for each patient in the long term.

regression Time Series Analysis

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