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Related papers: Taming Outlier Tokens in Diffusion Transformers

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Diffusion Transformers (DiTs) have achieved state-of-the-art (SOTA) image generation quality but suffer from high latency and memory inefficiency, making them difficult to deploy on resource-constrained devices. One major efficiency…

Computer Vision and Pattern Recognition · Computer Science 2025-03-28 Haoran You , Connelly Barnes , Yuqian Zhou , Yan Kang , Zhenbang Du , Wei Zhou , Lingzhi Zhang , Yotam Nitzan , Xiaoyang Liu , Zhe Lin , Eli Shechtman , Sohrab Amirghodsi , Yingyan Celine Lin

Diffusion Transformer (DiT), a promising diffusion model for visual generation, demonstrates impressive performance but incurs significant computational overhead. Intriguingly, analysis of pre-trained DiT models reveals that global…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Yuang Ai , Qihang Fan , Xuefeng Hu , Zhenheng Yang , Ran He , Huaibo Huang

The recent, counter-intuitive discovery that deep generative models (DGMs) can frequently assign a higher likelihood to outliers has implications for both outlier detection applications as well as our overall understanding of generative…

Machine Learning · Statistics 2020-10-27 Ziyu Wang , Bin Dai , David Wipf , Jun Zhu

Unsupervised outlier detection, which predicts if a test sample is an outlier or not using only the information from unlabelled inlier data, is an important but challenging task. Recently, methods based on the two-stage framework achieve…

Computer Vision and Pattern Recognition · Computer Science 2021-05-20 Zhisheng Xiao , Qing Yan , Yali Amit

Diffusion models with their powerful expressivity and high sample quality have achieved State-Of-The-Art (SOTA) performance in the generative domain. The pioneering Vision Transformer (ViT) has also demonstrated strong modeling capabilities…

Computer Vision and Pattern Recognition · Computer Science 2024-08-30 Ali Hatamizadeh , Jiaming Song , Guilin Liu , Jan Kautz , Arash Vahdat

Deep networks often make confident, yet, incorrect, predictions when tested with outlier data that is far removed from their training distributions. Likelihoods computed by deep generative models (DGMs) are a candidate metric for outlier…

Machine Learning · Computer Science 2022-07-20 Kushal Chauhan , Barath Mohan U , Pradeep Shenoy , Manish Gupta , Devarajan Sridharan

Diffusion Transformers (DiTs) have become a de facto backbone of modern visual generation, and nearly every major axis of their design -- tokenization, attention, conditioning, objectives, and latent autoencoders -- has been extensively…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Chao Xu , Maohua Li , Qirui Li , Yixuan Xu , Yanke Zhou , Yunhe Li , Cuifeng Shen , Hanlin Tang , Kan Liu , Tao Lan , Lin Qu , Shao-Qun Zhang

Recent breakthroughs in Diffusion Transformers (DiTs) have revolutionized the field of visual synthesis due to their superior scalability. To facilitate DiTs' capability of capturing meaningful internal representations, recent works such as…

Computer Vision and Pattern Recognition · Computer Science 2026-03-05 Mengping Yang , Zhiyu Tan , Binglei Li , Xiaomeng Yang , Hesen Chen , Hao Li

Utilizing auxiliary outlier datasets to regularize the machine learning model has demonstrated promise for out-of-distribution (OOD) detection and safe prediction. Due to the labor intensity in data collection and cleaning, automating…

Machine Learning · Computer Science 2023-09-26 Xuefeng Du , Yiyou Sun , Xiaojin Zhu , Yixuan Li

Discrete Wavelet Transform (DWT) has been widely explored to enhance the performance of image superresolution (SR). Despite some DWT-based methods improving SR by capturing fine-grained frequency signals, most existing approaches neglect…

Computer Vision and Pattern Recognition · Computer Science 2025-11-05 Peng Du , Hui Li , Han Xu , Paul Barom Jeon , Dongwook Lee , Daehyun Ji , Ran Yang , Feng Zhu

In the recent past, several domain generalization (DG) methods have been proposed, showing encouraging performance, however, almost all of them build on convolutional neural networks (CNNs). There is little to no progress on studying the DG…

Computer Vision and Pattern Recognition · Computer Science 2022-10-06 Maryam Sultana , Muzammal Naseer , Muhammad Haris Khan , Salman Khan , Fahad Shahbaz Khan

Vision Transformers (ViTs) can learn strong image-level representations while their patch representations become less effective for dense prediction during prolonged training. We revisit this dense degradation phenomenon and argue that it…

Computer Vision and Pattern Recognition · Computer Science 2026-05-25 Linxiang Su

Vision Transformers (ViTs) have emerged as the dominant architecture for visual processing tasks, demonstrating excellent scalability with increased training data and model size. However, recent work has identified the emergence of artifact…

Computer Vision and Pattern Recognition · Computer Science 2025-11-19 Yinjie Chen , Zipeng Yan , Chong Zhou , Bo Dai , Andrew F. Luo

Real-world image super-resolution (RWSR) is a long-standing problem as low-quality (LQ) images often have complex and unidentified degradations. Existing methods such as Generative Adversarial Networks (GANs) or continuous diffusion models…

Computer Vision and Pattern Recognition · Computer Science 2023-12-12 Chaofeng Chen , Shangchen Zhou , Liang Liao , Haoning Wu , Wenxiu Sun , Qiong Yan , Weisi Lin

Recently, the tokens of images share the same static data flow in many dense networks. However, challenges arise from the variance among the objects in images, such as large variations in the spatial scale and difficulties of recognition…

Computer Vision and Pattern Recognition · Computer Science 2023-08-14 Yuchen Ma , Zhengcong Fei , Junshi Huang

Starting from flow- and diffusion-based transformers, Multi-modal Diffusion Transformers (MM-DiTs) have reshaped text-to-vision generation, gaining acclaim for exceptional visual fidelity. As these models advance, users continually push the…

Artificial Intelligence · Computer Science 2025-10-07 Seil Kang , Woojung Han , Dayun Ju , Seong Jae Hwang

We present ControlSR, a new method that can tame Diffusion Models for consistent real-world image super-resolution (Real-ISR). Previous Real-ISR models mostly focus on how to activate more generative priors of text-to-image diffusion models…

Computer Vision and Pattern Recognition · Computer Science 2025-04-02 Yuhao Wan , Peng-Tao Jiang , Qibin Hou , Hao Zhang , Jinwei Chen , Ming-Ming Cheng , Bo Li

Recent state-of-the-art image restoration methods mostly adopt latent diffusion models with U-Net backbones, yet still facing challenges in achieving high-quality restoration due to their limited capabilities. Diffusion transformers (DiTs),…

Computer Vision and Pattern Recognition · Computer Science 2025-04-28 Dehong Kong , Fan Li , Zhixin Wang , Jiaqi Xu , Renjing Pei , Wenbo Li , WenQi Ren

Diffusion transformers (DiTs) have emerged as a powerful architecture for high-fidelity image generation, yet the quadratic cost of self-attention poses a major scalability bottleneck. To address this, linear attention mechanisms have been…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Boyuan Cao , Xingbo Yao , Chenhui Wang , Jiaxin Ye , Yujie Wei , Hongming Shan

Recent advances in text-to-image diffusion models have enabled the generation of diverse and high-quality images. While impressive, the images often fall short of depicting subtle details and are susceptible to errors due to ambiguity in…

Computer Vision and Pattern Recognition · Computer Science 2025-01-13 Idan Schwartz , Vésteinn Snæbjarnarson , Hila Chefer , Ryan Cotterell , Serge Belongie , Lior Wolf , Sagie Benaim