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Denoising diffusion models (DDM) have gained recent traction in medical image translation given improved training stability over adversarial models. DDMs learn a multi-step denoising transformation to progressively map random Gaussian-noise…

图像与视频处理 · 电气工程与系统科学 2024-05-14 Fuat Arslan , Bilal Kabas , Onat Dalmaz , Muzaffer Ozbey , Tolga Çukur

Multimodal autoregressive (AR) models, based on next-token prediction and transformer architecture, have demonstrated remarkable capabilities in various multimodal tasks including text-to-image (T2I) generation. Despite their strong…

计算机视觉与模式识别 · 计算机科学 2025-12-02 Yi Wu , Shengju Qian , Lingting Zhu , Lei Liu , Wandi Qiao , Ziqiang Li , Lequan Yu , Bin Li

End-to-end autonomous driving is increasingly adopting a multimodal planning paradigm that generates multiple trajectory candidates and selects the final plan, making candidate-set design critical. A fixed trajectory vocabulary provides…

机器人学 · 计算机科学 2026-02-05 Zhengfei Wu , Shuaixi Pan , Shuohan Chen , Shuo Yang , Yanjun Huang

Although diffusion-based real-world image restoration (Real-IR) has achieved remarkable progress, efficiently leveraging ultra-large-scale pre-trained text-to-image (T2I) models and fully exploiting their potential remain significant…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Purui Bai , Junxian Duan , Pin Wang , Jinhua Hao , Ming Sun , Chao Zhou , Huaibo Huang

Text-guided image editing using Text-to-Image (T2I) models often fails to yield satisfactory results, frequently introducing unintended modifications, such as the loss of local detail and color changes. In this paper, we analyze these…

计算机视觉与模式识别 · 计算机科学 2025-03-26 Yufan Ren , Zicong Jiang , Tong Zhang , Søren Forchhammer , Sabine Süsstrunk

Diffusion models have recently achieved great success in the synthesis of high-quality images and videos. However, the existing denoising techniques in diffusion models are commonly based on step-by-step noise predictions, which suffers…

计算机视觉与模式识别 · 计算机科学 2024-10-15 Hancheng Ye , Jiakang Yuan , Renqiu Xia , Xiangchao Yan , Tao Chen , Junchi Yan , Botian Shi , Bo Zhang

Personalized image synthesis has emerged as a pivotal application in text-to-image generation, enabling the creation of images featuring specific subjects in diverse contexts. While diffusion models have dominated this domain,…

计算机视觉与模式识别 · 计算机科学 2025-04-18 Kaiyue Sun , Xian Liu , Yao Teng , Xihui Liu

We propose Diffusion-Sharpening, a fine-tuning approach that enhances downstream alignment by optimizing sampling trajectories. Existing RL-based fine-tuning methods focus on single training timesteps and neglect trajectory-level alignment,…

计算机视觉与模式识别 · 计算机科学 2025-02-18 Ye Tian , Ling Yang , Xinchen Zhang , Yunhai Tong , Mengdi Wang , Bin Cui

Deep learning has shown great potential in accelerating diffusion tensor imaging (DTI). Nevertheless, existing methods tend to suffer from Rician noise and eddy current, leading to detail loss in reconstructing the DTI-derived parametric…

图像与视频处理 · 电气工程与系统科学 2024-08-21 Wenxin Fan , Jian Cheng , Cheng Li , Jing Yang , Ruoyou Wu , Juan Zou , Shanshan Wang

Generating accurate and stable long rollouts is a notorious challenge for time-dependent PDEs (Partial Differential Equations). Recently, motivated by the importance of high-frequency accuracy, a refiner model called PDERefiner utilizes…

计算工程、金融与科学 · 计算机科学 2025-06-16 Li Luo

In this report, we explore the potential for text diffusion to replace autoregressive (AR) decoding for the training and deployment of large language models (LLMs). We are particularly interested to see whether pretrained AR models can be…

计算与语言 · 计算机科学 2024-01-31 Kehang Han , Kathleen Kenealy , Aditya Barua , Noah Fiedel , Noah Constant

Denoising diffusion models (DDMs) have recently attracted increasing attention by showing impressive synthesis quality. DDMs are built on a diffusion process that pushes data to the noise distribution and the models learn to denoise. In…

机器学习 · 计算机科学 2023-05-16 Jaemoo Choi , Yesom Park , Myungjoo Kang

Computational imaging methods increasingly rely on powerful generative diffusion models to tackle challenging image restoration tasks. In particular, state-of-the-art zero-shot image inverse solvers leverage distilled text-to-image latent…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Alessio Spagnoletti , Andrés Almansa , Marcelo Pereyra

We introduce TransDiff, the first image generation model that marries Autoregressive (AR) Transformer with diffusion models. In this joint modeling framework, TransDiff encodes labels and images into high-level semantic features and employs…

计算机视觉与模式识别 · 计算机科学 2025-08-21 Dingcheng Zhen , Qian Qiao , Xu Zheng , Tan Yu , Kangxi Wu , Ziwei Zhang , Siyuan Liu , Shunshun Yin , Ming Tao

Although recent research applying text-to-image (T2I) diffusion models to real-world super-resolution (SR) has achieved remarkable progress, the misalignment of their targets leads to a suboptimal trade-off between inference speed and…

计算机视觉与模式识别 · 计算机科学 2026-02-12 Yan Wang , Shijie Zhao , Kexin Zhang , Junlin Li , Li Zhang

Diffusion models, the most popular generative paradigm so far, can inject conditional information into the generation path to guide the latent towards desired directions. However, existing text-to-image diffusion models often fail to…

计算机视觉与模式识别 · 计算机科学 2024-12-18 Lichen Bai , Shitong Shao , Zikai Zhou , Zipeng Qi , Zhiqiang Xu , Haoyi Xiong , Zeke Xie

Real-world noise removal is crucial in low-level computer vision. Due to the remarkable generation capabilities of diffusion models, recent attention has shifted towards leveraging diffusion priors for image restoration tasks. However,…

计算机视觉与模式识别 · 计算机科学 2024-10-24 Jun Cheng , Shan Tan

Audio language models have recently emerged as a promising approach for various audio generation tasks, relying on audio tokenizers to encode waveforms into sequences of discrete symbols. Audio tokenization often poses a necessary…

音频与语音处理 · 电气工程与系统科学 2024-06-11 Zhijun Liu , Shuai Wang , Sho Inoue , Qibing Bai , Haizhou Li

Autonomous vehicles increasingly rely on cameras to provide the input for perception and scene understanding and the ability of these models to classify their environment and objects, under adverse conditions and image noise is crucial.…

计算机视觉与模式识别 · 计算机科学 2021-11-08 Andreas Papachristodoulou , Christos Kyrkou , Theocharis Theocharides

Vision Transformers (ViTs) have shown competitive accuracy in image classification tasks compared with CNNs. Yet, they generally require much more data for model pre-training. Most of recent works thus are dedicated to designing more…

计算机视觉与模式识别 · 计算机科学 2021-06-08 Daquan Zhou , Yujun Shi , Bingyi Kang , Weihao Yu , Zihang Jiang , Yuan Li , Xiaojie Jin , Qibin Hou , Jiashi Feng