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We propose self-diffusion, a novel framework for solving inverse problems without relying on pretrained generative models. Traditional diffusion-based approaches require training a model on a clean dataset to learn to reverse the forward…

机器学习 · 计算机科学 2025-12-09 Guanxiong Luo , Shoujin Huang , Yanlong Yang

Time-of-Flight (ToF) sensors efficiently capture scene depth, but the nonlinear depth construction procedure often results in extremely large noise variance or even invalid areas. Recent methods based on deep neural networks (DNNs) achieve…

计算机视觉与模式识别 · 计算机科学 2025-03-26 Changyong He , Jin Zeng , Jiawei Zhang , Jiajie Guo

Text-conditioned image generation models have recently achieved astonishing results in image quality and text alignment and are consequently employed in a fast-growing number of applications. Since they are highly data-driven, relying on…

计算机视觉与模式识别 · 计算机科学 2023-04-27 Patrick Schramowski , Manuel Brack , Björn Deiseroth , Kristian Kersting

Recent advances in diffusion models have introduced a new era of text-guided image manipulation, enabling users to create realistic edited images with simple textual prompts. However, there is significant concern about the potential misuse…

计算机视觉与模式识别 · 计算机科学 2025-09-30 June Suk Choi , Kyungmin Lee , Jongheon Jeong , Saining Xie , Jinwoo Shin , Kimin Lee

Recent advancements in text-to-image models, such as Stable Diffusion, show significant demographic biases. Existing de-biasing techniques rely heavily on additional training, which imposes high computational costs and risks of compromising…

人工智能 · 计算机科学 2025-03-28 Eunji Kim , Siwon Kim , Minjun Park , Rahim Entezari , Sungroh Yoon

Diffusion models have emerged as a promising approach for text generation, with recent works falling into two main categories: discrete and continuous diffusion models. Discrete diffusion models apply token corruption independently using…

计算与语言 · 计算机科学 2025-05-29 Bocheng Li , Zhujin Gao , Linli Xu

Implicit feedback, such as user clicks, serves as the primary data source for modern recommender systems. However, click interactions inherently contain substantial noise, including accidental clicks, clickbait-induced interactions, and…

信息检索 · 计算机科学 2026-02-18 Xikai Yang , Yang Wang , Yilin Li , Sebastian Sun

Text-to-image diffusion models generate images through an iterative denoising process, so internal neural layers produce trajectories of activations rather than single static representations. Sparse autoencoders (SAEs) have recently been…

计算机视觉与模式识别 · 计算机科学 2026-05-28 Calvin Yeung , Prathyush Poduval , Ali Zakeri , Zhuowen Zou , Mohsen Imani

Generative models have attracted significant interest due to their ability to handle uncertainty by learning the inherent data distributions. However, two prominent generative models, namely Generative Adversarial Networks (GANs) and…

机器学习 · 计算机科学 2023-04-25 Yu Wang , Zhiwei Liu , Liangwei Yang , Philip S. Yu

Text style transfer aims to change the style of sentences while preserving the semantic meanings. Due to the lack of parallel data, the Denoising Auto-Encoder (DAE) is widely used in this task to model distributions of different sentence…

计算与语言 · 计算机科学 2021-04-28 Jicheng Li , Yang Feng , Jiao Ou

We propose DeCoDi, a debiasing procedure for text-to-image diffusion-based models that changes the inference procedure, does not significantly change image quality, has negligible compute overhead, and can be applied in any diffusion-based…

Because diffusion models have shown impressive performances in a number of tasks, such as image synthesis, there is a trend in recent works to prove (with certain assumptions) that these models have strong approximation capabilities. In…

机器学习 · 计算机科学 2024-01-19 Yangming Li , Boris van Breugel , Mihaela van der Schaar

Financial time series often exhibit low signal-to-noise ratio, posing significant challenges for accurate data interpretation and prediction and ultimately decision making. Generative models have gained attention as powerful tools for…

机器学习 · 计算机科学 2024-09-05 Zhuohan Wang , Carmine Ventre

In text generation, models that generate text from scratch one token at a time are currently the dominant paradigm. Despite being performant, these models lack the ability to revise existing text, which limits their usability in many…

计算与语言 · 计算机科学 2022-11-01 Machel Reid , Vincent J. Hellendoorn , Graham Neubig

Existing denoising generative models rely on solving discretized reverse-time SDEs or ODEs. In this paper, we identify a long-overlooked yet pervasive issue in this family of models: a misalignment between the pre-defined noise level and…

机器学习 · 计算机科学 2025-10-15 Jincheng Zhong , Boyuan Jiang , Xin Tao , Pengfei Wan , Kun Gai , Mingsheng Long

While diffusion-based T2I models have achieved remarkable image generation quality, they also enable easy creation of harmful content, raising social concerns and highlighting the need for safer generation. Existing inference-time guiding…

计算机视觉与模式识别 · 计算机科学 2025-11-17 Sumin Yu , Taesup Moon

Denoising Diffusion models have exhibited remarkable capabilities in image generation. However, generating high-quality samples requires a large number of iterations. Knowledge distillation for diffusion models is an effective method to…

计算机视觉与模式识别 · 计算机科学 2023-12-22 Shengzhe Zhou , Zejian Lee , Shengyuan Zhang , Lefan Hou , Changyuan Yang , Guang Yang , Zhiyuan Yang , Lingyun Sun

Diffusion models have become the dominant approach for visual generation. They are trained by denoising a Markovian process which gradually adds noise to the input. We argue that the Markovian property limits the model's ability to fully…

计算机视觉与模式识别 · 计算机科学 2025-01-24 Jiatao Gu , Yuyang Wang , Yizhe Zhang , Qihang Zhang , Dinghuai Zhang , Navdeep Jaitly , Josh Susskind , Shuangfei Zhai

Conditional diffusion models are powerful generative models that can leverage various types of conditional information, such as class labels, segmentation masks, or text captions. However, in many real-world scenarios, conditional…

计算机视觉与模式识别 · 计算机科学 2025-02-19 Nicolas Dufour , Victor Besnier , Vicky Kalogeiton , David Picard

Despite the impressive results of arbitrary image-guided style transfer methods, text-driven image stylization has recently been proposed for transferring a natural image into a stylized one according to textual descriptions of the target…

计算机视觉与模式识别 · 计算机科学 2023-12-19 Nisha Huang , Yuxin Zhang , Fan Tang , Chongyang Ma , Haibin Huang , Yong Zhang , Weiming Dong , Changsheng Xu