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Diffusion models (DMs) have recently gained attention with state-of-the-art performance in text-to-image synthesis. Abiding by the tradition in deep learning, DMs are trained and evaluated on the images with fixed sizes. However, users are…

Computer Vision and Pattern Recognition · Computer Science 2023-10-27 Zhiyu Jin , Xuli Shen , Bin Li , Xiangyang Xue

Diffusion models (DMs) have achieved significant progress in text-to-image generation. However, the inevitable inclusion of sensitive information during pre-training poses safety risks, such as unsafe content generation and copyright…

Computer Vision and Pattern Recognition · Computer Science 2025-06-12 Hongguang Zhu , Yunchao Wei , Mengyu Wang , Siyu Jiao , Yan Fang , Jiannan Huang , Yao Zhao

Diffusion models are widely used for image editing tasks. Existing editing methods often design a representation manipulation procedure by curating an edit direction in the text embedding or score space. However, such a procedure faces a…

Computer Vision and Pattern Recognition · Computer Science 2025-04-04 Jinqi Luo , Tianjiao Ding , Kwan Ho Ryan Chan , Hancheng Min , Chris Callison-Burch , René Vidal

Learning from feedback has been shown to enhance the alignment between text prompts and images in text-to-image diffusion models. However, due to the lack of focus in feedback content, especially regarding the object type and quantity,…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Xuexiang Niu , Jinping Tang , Lei Wang , Ge Zhu

We present a deblurring method for scenes with occluding objects using a carefully designed layered blur model. Layered blur model is frequently used in the motion deblurring problem to handle locally varying blurs, which is caused by…

Computer Vision and Pattern Recognition · Computer Science 2016-11-30 Byeongjoo Ahn , Tae Hyun Kim , Wonsik Kim , Kyoung Mu Lee

Traditional image codecs emphasize signal fidelity and human perception, often at the expense of machine vision tasks. Deep learning methods have demonstrated promising coding performance by utilizing rich semantic embeddings optimized for…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Sha Guo , Zhuo Chen , Yang Zhao , Ning Zhang , Xiaotong Li , Lingyu Duan

Advancements in text-to-image diffusion models have broadened extensive downstream practical applications, but such models often encounter misalignment issues between text and image. Taking the generation of a combination of two…

Artificial Intelligence · Computer Science 2024-08-06 Juntu Zhao , Junyu Deng , Yixin Ye , Chongxuan Li , Zhijie Deng , Dequan Wang

Recent success of text-to-image (T2I) generation and its increasing practical applications, enabled by diffusion models, require urgent consideration of erasing unwanted concepts, e.g., copyrighted, offensive, and unsafe ones, from the…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Yuan Wang , Ouxiang Li , Tingting Mu , Yanbin Hao , Kuien Liu , Xiang Wang , Xiangnan He

Text-driven image generation using diffusion models has recently gained significant attention. To enable more flexible image manipulation and editing, recent research has expanded from single image generation to transparent layer generation…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Junjia Huang , Pengxiang Yan , Jinhang Cai , Jiyang Liu , Zhao Wang , Yitong Wang , Xinglong Wu , Guanbin Li

Enabling generative models to decompose visual concepts from a single image is a complex and challenging problem. In this paper, we study a new and challenging task, customized concept decomposition, wherein the objective is to leverage…

Computer Vision and Pattern Recognition · Computer Science 2024-10-02 Zhi Xu , Shaozhe Hao , Kai Han

We propose CatVersion, an inversion-based method that learns the personalized concept through a handful of examples. Subsequently, users can utilize text prompts to generate images that embody the personalized concept, thereby achieving…

Computer Vision and Pattern Recognition · Computer Science 2023-12-01 Ruoyu Zhao , Mingrui Zhu , Shiyin Dong , Nannan Wang , Xinbo Gao

For the last decade, there has been a push to use multi-dimensional (latent) spaces to represent concepts; and yet how to manipulate these concepts or reason with them remains largely unclear. Some recent methods exploit multiple latent…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Lorenzo Olearo , Giorgio Longari , Simone Melzi , Alessandro Raganato , Rafael Peñaloza

While recent advancements in Image Super-Resolution (SR) using diffusion models have shown promise in improving overall image quality, their application to scene text images has revealed limitations. These models often struggle with…

Computer Vision and Pattern Recognition · Computer Science 2025-05-30 Keren Ye , Ignacio Garcia Dorado , Michalis Raptis , Mauricio Delbracio , Irene Zhu , Peyman Milanfar , Hossein Talebi

Text-to-image diffusion models rely on massive, web-scale datasets. Training them from scratch is computationally expensive, and as a result, developers often prefer to make incremental updates to existing models. These updates often…

Machine Learning · Computer Science 2025-09-29 Vinith M. Suriyakumar , Rohan Alur , Ayush Sekhari , Manish Raghavan , Ashia C. Wilson

Text-to-image diffusion models allow seamless generation of personalized images from scant reference photos. Yet, these tools, in the wrong hands, can fabricate misleading or harmful content, endangering individuals. To address this…

Computer Vision and Pattern Recognition · Computer Science 2024-04-30 Yixin Liu , Chenrui Fan , Yutong Dai , Xun Chen , Pan Zhou , Lichao Sun

Concept erasure aims to remove harmful, inappropriate, or copyrighted content from text-to-image diffusion models while preserving non-target semantics. However, existing methods either rely on costly fine-tuning or apply coarse semantic…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Ning Han , Zhenyu Ge , Feng Han , Yuhua Sun , Chengqing Li , Jingjing Chen

One of the pursued objectives of deep learning is to provide tools that learn abstract representations of reality from the observation of multiple contextual situations. More precisely, one wishes to extract disentangled representations…

Machine Learning · Computer Science 2023-10-24 Pierre Colombo , Nathan Noiry , Guillaume Staerman , Pablo Piantanida

Large multimodal models such as Stable Diffusion can generate, detect, and classify new visual concepts after fine-tuning just a single word embedding. Do models learn similar words for the same concepts (i.e. <orange-cat> = orange + cat)?…

Computer Vision and Pattern Recognition · Computer Science 2024-06-12 Brandon Trabucco , Max Gurinas , Kyle Doherty , Ruslan Salakhutdinov

An image classifier may depend on incidental features stemming from a strong correlation between the feature and the classification target in the training dataset. Recently, Last Layer Retraining (LLR) with group-balanced datasets is shown…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Juhyeon Park , Seokhyeon Jeong , Taesup Moon

Subject-driven text-to-image diffusion models empower users to tailor the model to new concepts absent in the pre-training dataset using a few sample images. However, prevalent subject-driven models primarily rely on single-concept input…

Computer Vision and Pattern Recognition · Computer Science 2024-02-16 Junjie Shentu , Matthew Watson , Noura Al Moubayed