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Recent advancements in diffusion models have significantly facilitated text-guided video editing. However, there is a relative scarcity of research on image-guided video editing, a method that empowers users to edit videos by merely…

计算机视觉与模式识别 · 计算机科学 2025-01-09 Zhi-Lin Huang , Yixuan Liu , Chujun Qin , Zhongdao Wang , Dong Zhou , Dong Li , Emad Barsoum

We present X-MDPT ($\underline{Cross}$-view $\underline{M}$asked $\underline{D}$iffusion $\underline{P}$rediction $\underline{T}$ransformers), a novel diffusion model designed for pose-guided human image generation. X-MDPT distinguishes…

计算机视觉与模式识别 · 计算机科学 2024-06-04 Trung X. Pham , Zhang Kang , Chang D. Yoo

Prototype-based meta-learning has emerged as a powerful technique for addressing few-shot learning challenges. However, estimating a deterministic prototype using a simple average function from a limited number of examples remains a fragile…

机器学习 · 计算机科学 2023-11-08 Yingjun Du , Zehao Xiao , Shengcai Liao , Cees Snoek

Imputation of missing images via source-to-target modality translation can improve diversity in medical imaging protocols. A pervasive approach for synthesizing target images involves one-shot mapping through generative adversarial networks…

图像与视频处理 · 电气工程与系统科学 2023-04-03 Muzaffer Özbey , Onat Dalmaz , Salman UH Dar , Hasan A Bedel , Şaban Özturk , Alper Güngör , Tolga Çukur

Transformers and masked language modeling are quickly being adopted and explored in computer vision as vision transformers and masked image modeling (MIM). In this work, we argue that image token masking differs from token masking in text,…

计算机视觉与模式识别 · 计算机科学 2022-11-07 Ioannis Kakogeorgiou , Spyros Gidaris , Bill Psomas , Yannis Avrithis , Andrei Bursuc , Konstantinos Karantzalos , Nikos Komodakis

Despite their remarkable image generation capabilities, text-to-image diffusion models inadvertently learn inappropriate concepts from vast and unfiltered training data, which leads to various ethical and business risks. Specifically,…

计算机视觉与模式识别 · 计算机科学 2025-02-18 Die Chen , Zhiwen Li , Mingyuan Fan , Cen Chen , Wenmeng Zhou , Yanhao Wang , Yaliang Li

In this paper, we introduce Masked Feature Modelling (MFM), a novel approach for the unsupervised pre-training of a Graph Attention Network (GAT) block. MFM utilizes a pretrained Visual Tokenizer to reconstruct masked features of objects…

计算机视觉与模式识别 · 计算机科学 2023-08-28 Dimitrios Daskalakis , Nikolaos Gkalelis , Vasileios Mezaris

Offline reinforcement learning (RL) aims to learn policies from pre-existing datasets without further interactions, making it a challenging task. Q-learning algorithms struggle with extrapolation errors in offline settings, while supervised…

人工智能 · 计算机科学 2025-01-03 Zhengbang Zhu , Minghuan Liu , Liyuan Mao , Bingyi Kang , Minkai Xu , Yong Yu , Stefano Ermon , Weinan Zhang

Recent advances in AI-generated content (AIGC) have significantly accelerated image editing techniques, driving increasing demand for diverse and fine-grained edits. Despite these advances, existing image editing methods still face…

计算机视觉与模式识别 · 计算机科学 2025-05-27 Shuyu Wang , Weiqi Li , Qian Wang , Shijie Zhao , Jian Zhang

With the rapid advancement of diffusion models, a variety of fine-tuning methods have been developed, enabling high-fidelity image generation with high similarity to the target content using only 3 to 5 training images. More recently,…

图像与视频处理 · 电气工程与系统科学 2025-11-26 Jun Jia , Hongyi Miao , Yingjie Zhou , Linhan Cao , Yanwei Jiang , Wangqiu Zhou , Dandan Zhu , Hua Yang , Wei Sun , Xiongkuo Min , Guangtao Zhai

Despite recent advancements in text-to-image models, achieving semantically accurate images in text-to-image diffusion models is a persistent challenge. While existing initial latent optimization methods have demonstrated impressive…

计算机视觉与模式识别 · 计算机科学 2024-11-27 Aravindan Sundaram , Ujjayan Pal , Abhimanyu Chauhan , Aishwarya Agarwal , Srikrishna Karanam

Personalizing text-to-image models using a limited set of images for a specific object has been explored in subject-specific image generation. However, existing methods often face challenges in aligning with text prompts due to overfitting…

计算机视觉与模式识别 · 计算机科学 2024-02-16 Daewon Chae , Nokyung Park , Jinkyu Kim , Kimin Lee

This paper explores improvements to the masked image modeling (MIM) paradigm. The MIM paradigm enables the model to learn the main object features of the image by masking the input image and predicting the masked part by the unmasked part.…

计算机视觉与模式识别 · 计算机科学 2022-05-24 Jiawei Mao , Xuesong Yin , Yuanqi Chang , Honggu Zhou

Recently, diffusion models have exhibited superior performance in the area of image inpainting. Inpainting methods based on diffusion models can usually generate realistic, high-quality image content for masked areas. However, due to the…

计算机视觉与模式识别 · 计算机科学 2024-12-03 Ruichen Wang , Junliang Zhang , Qingsong Xie , Chen Chen , Haonan Lu

DDIM inversion has revealed the remarkable potential of real image editing within diffusion-based methods. However, the accuracy of DDIM reconstruction degrades as larger classifier-free guidance (CFG) scales being used for enhanced…

Supervised fine-tuning (SFT) is widely used to inject new knowledge into language models, but it often degrades pretrained capabilities such as reasoning and general-domain performance. We argue this forgetting arises because fine-tuning…

计算与语言 · 计算机科学 2026-05-22 Jiarui Liu , Lechen Zhang , Yongjin Yang , Yinghui He , Yingheng Wang , Weihao Xuan , Zhijing Jin , Mona Diab

Text-guided image manipulation has experienced notable advancement in recent years. In order to mitigate linguistic ambiguity, few-shot learning with visual examples has been applied for instructions that are underrepresented in the…

计算机视觉与模式识别 · 计算机科学 2024-12-04 Bolin Lai , Felix Juefei-Xu , Miao Liu , Xiaoliang Dai , Nikhil Mehta , Chenguang Zhu , Zeyi Huang , James M. Rehg , Sangmin Lee , Ning Zhang , Tong Xiao

Subject-driven image generation (SDIG) aims to manipulate specific subjects within images while adhering to textual instructions, a task crucial for advancing text-to-image diffusion models. SDIG requires reconciling the tension between…

计算机视觉与模式识别 · 计算机科学 2025-09-19 Jibai Lin , Bo Ma , Yating Yang , Xi Zhou , Rong Ma , Turghun Osman , Ahtamjan Ahmat , Rui Dong , Lei Wang

Diffusion policies have recently emerged as a powerful class of visuomotor controllers for robot manipulation, offering stable training and expressive multi-modal action modeling. However, existing approaches typically treat action…

机器人学 · 计算机科学 2025-10-01 Zezeng Li , Rui Yang , Ruochen Chen , ZhongXuan Luo , Liming Chen

As large-scale text-to-image generation models have made remarkable progress in the field of text-to-image generation, many fine-tuning methods have been proposed. However, these models often struggle with novel objects, especially with…

计算机视觉与模式识别 · 计算机科学 2024-01-30 Jianxiang Lu , Cong Xie , Hui Guo