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Diffusion-based classifiers such as those relying on the Personalized PageRank and the Heat kernel, enjoy remarkable classification accuracy at modest computational requirements. Their performance however is affected by the extent to which…

Machine Learning · Statistics 2019-02-20 Dimitris Berberidis , Athanasios N. Nikolakopoulos , Georgios B. Giannakis

Voxel-wise dose prediction is a critical yet challenging task in practical radiotherapy (RT) planning, as bespoke models trained from scratch often struggle to generalize across diverse clinical settings. Meanwhile, generative models…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Yuhan Wang , Zihan Li , Han Liu , Simon Arberet , Martin Kraus , Yuyin Zhou , Florin-Cristian Ghesu , Dorin Comaniciu , Ali Kamen , Riqiang Gao

Calorimeter shower simulations are often the bottleneck in simulation time for particle physics detectors. A lot of effort is currently spent on optimizing generative architectures for specific detector geometries, which generalize poorly.…

Instrumentation and Detectors · Physics 2022-12-19 Junze Liu , Aishik Ghosh , Dylan Smith , Pierre Baldi , Daniel Whiteson

Text-to-image (T2I) models have recently experienced rapid development, achieving astonishing performance in terms of fidelity and textual alignment capabilities. However, given a long paragraph (up to 512 words), these generation models…

Computer Vision and Pattern Recognition · Computer Science 2025-05-07 Weijia Wu , Zhuang Li , Yefei He , Mike Zheng Shou , Chunhua Shen , Lele Cheng , Yan Li , Tingting Gao , Di Zhang

Simulations of particle showers in calorimeters are computationally time-consuming, as they have to reproduce both energy depositions and their considerable fluctuations. A new approach to ultra-fast simulations are generative models where…

Instrumentation and Detectors · Physics 2020-02-05 Martin Erdmann , Jonas Glombitza , Thorben Quast

The physics programs of current and future collider experiments necessitate the development of surrogate simulators for calorimeter showers. While much progress has been made in the development of generative models for this task, they have…

High Energy Physics - Experiment · Physics 2025-11-24 Thorsten Buss , Henry Day-Hall , Frank Gaede , Gregor Kasieczka , Katja Krüger , Anatolii Korol , Thomas Madlener , Peter McKeown

Feature caching has emerged as an effective strategy to accelerate diffusion transformer (DiT) sampling through temporal feature reuse. It is a challenging problem since (1) Progressive error accumulation from cached blocks significantly…

Computer Vision and Pattern Recognition · Computer Science 2025-07-21 Junxiang Qiu , Lin Liu , Shuo Wang , Jinda Lu , Kezhou Chen , Yanbin Hao

The CALICE collaboration has constructed highly granular electromagnetic and hadronic calorimeter prototypes to evaluate technologies for the use in detector systems at a future Linear Collider. The hadron calorimeter uses small…

Instrumentation and Detectors · Physics 2019-08-13 Frank Simon

Diffusion models learn strong image priors that can be leveraged to solve inverse problems like medical image reconstruction. However, for real-world applications such as 3D Computed Tomography (CT) imaging, directly training diffusion…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Taewon Yang , Jason Hu , Jeffrey A. Fessler , Liyue Shen

The existing CMS endcap calorimeters will be replaced with a High Granularity Calorimeter (HGCAL) for operation at the High Luminosity (HL) LHC. Radiation hardness and excellent physics performance will be achieved by utilising silicon pad…

Instrumentation and Detectors · Physics 2020-08-26 Artur Lobanov

Diffusion models have revolutionized generative tasks, especially in the domain of text-to-image synthesis; however, their iterative denoising process demands substantial computational resources. In this paper, we present a novel…

Computer Vision and Pattern Recognition · Computer Science 2025-02-04 Xinle Cheng , Zhuoming Chen , Zhihao Jia

Recent studies have revealed that, during the inference on generative AI models such as transformer, the importance of different weights exhibits substantial context-dependent variations. This naturally manifests a promising potential of…

Machine Learning · Computer Science 2024-08-20 Rui Xie , Asad Ul Haq , Linsen Ma , Krystal Sun , Sanchari Sen , Swagath Venkataramani , Liu Liu , Tong Zhang

Autoregressive (AR) modeling, known for its next-token prediction paradigm, underpins state-of-the-art language and visual generative models. Traditionally, a ``token'' is treated as the smallest prediction unit, often a discrete symbol in…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Sucheng Ren , Qihang Yu , Ju He , Xiaohui Shen , Alan Yuille , Liang-Chieh Chen

Video saliency prediction aims to identify the regions in a video that attract human attention and gaze, driven by bottom-up features from the video and top-down processes like memory and cognition. Among these top-down influences, language…

Computer Vision and Pattern Recognition · Computer Science 2025-10-09 Yolo Yunlong Tang , Gen Zhan , Li Yang , Yiting Liao , Chenliang Xu

Foundation models (FM) have transformed computational pathology but remain computationally prohibitive for clinical deployment due to their massive parameter counts and high-magnification processing requirements. Here, we introduce XMAG, a…

Computer Vision and Pattern Recognition · Computer Science 2026-03-13 Ziyu Su , Abdul Rehman Akbar , Usama Sajjad , Anil V. Parwani , Muhammad Khalid Khan Niazi

We investigate the role of representations and architectures for classifying 3D shapes in terms of their computational efficiency, generalization, and robustness to adversarial transformations. By varying the number of training examples and…

Computer Vision and Pattern Recognition · Computer Science 2018-10-02 Jong-Chyi Su , Matheus Gadelha , Rui Wang , Subhransu Maji

In this study, we firstly introduce a method that converts CityGML data into voxels which works efficiently and fast in high resolution for large scale datasets such as cities but by sacrificing some building details to overcome the…

Machine Learning · Computer Science 2025-01-17 Berk Kıvılcım , Patrick Erik Bradley

Diffusion Transformers have emerged as the foundation for vision generative models, but their scalability is limited by the high cost of hyperparameter (HP) tuning at large scales. Recently, Maximal Update Parametrization ($\mu$P) was…

Machine Learning · Computer Science 2025-11-03 Chenyu Zheng , Xinyu Zhang , Rongzhen Wang , Wei Huang , Zhi Tian , Weilin Huang , Jun Zhu , Chongxuan Li

Generative diffusion models have shown empirical successes in point cloud resampling, generating a denser and more uniform distribution of points from sparse or noisy 3D point clouds by progressively refining noise into structure. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-11-22 Wenqiang Xu , Wenrui Dai , Duoduo Xue , Ziyang Zheng , Chenglin Li , Junni Zou , Hongkai Xiong

Recent advances in sparse voxel representations have significantly improved the quality of 3D content generation, enabling high-resolution modeling with fine-grained geometry. However, existing frameworks suffer from severe computational…

Computer Vision and Pattern Recognition · Computer Science 2025-08-01 Yiwen Chen , Zhihao Li , Yikai Wang , Hu Zhang , Qin Li , Chi Zhang , Guosheng Lin