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Seismic wave generation creates labeled waveform datasets for source parameter inversion, subsurface analysis, and, notably, training artificial intelligence seismology models. Traditionally, seismic wave generation has been time-consuming,…

Geophysics · Physics 2025-09-23 Longfei Duan , Zicheng Zhang , Lianqing Zhou , Congying Han , Lei Bai , Tiande Guo , Cuiping Zhao

Recent developments in large-scale pre-trained text-to-image diffusion models have significantly improved the generation of high-fidelity images, particularly with the emergence of diffusion transformer models (DiTs). Among diffusion…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Xudong Lu , Aojun Zhou , Ziyi Lin , Qi Liu , Yuhui Xu , Renrui Zhang , Xue Yang , Junchi Yan , Peng Gao , Hongsheng Li

Scene flow estimation, which aims to predict per-point 3D displacements of dynamic scenes, is a fundamental task in the computer vision field. However, previous works commonly suffer from unreliable correlation caused by locally constrained…

Computer Vision and Pattern Recognition · Computer Science 2024-05-13 Jiuming Liu , Guangming Wang , Weicai Ye , Chaokang Jiang , Jinru Han , Zhe Liu , Guofeng Zhang , Dalong Du , Hesheng Wang

In e-commerce and digital marketing, generating high-fidelity human-product demonstration videos is important for effective product presentation. However, most existing frameworks either fail to preserve the identities of both humans and…

Computer Vision and Pattern Recognition · Computer Science 2025-08-28 Lizhen Wang , Zhurong Xia , Tianshu Hu , Pengrui Wang , Pengfei Wei , Zerong Zheng , Ming Zhou , Yuan Zhang , Mingyuan Gao

The Text-to-Video (T2V) model aims to generate dynamic and expressive videos from textual prompts. The generation pipeline typically involves multiple modules, such as language encoder, Diffusion Transformer (DiT), and Variational…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-06-17 Heyang Huang , Cunchen Hu , Jiaqi Zhu , Ziyuan Gao , Liangliang Xu , Yizhou Shan , Yungang Bao , Sun Ninghui , Tianwei Zhang , Sa Wang

Diffusion transformer (DiT) models have achieved remarkable success in image generation, thanks for their exceptional generative capabilities and scalability. Nonetheless, the iterative nature of diffusion models (DMs) results in high…

Computer Vision and Pattern Recognition · Computer Science 2025-05-12 Zhiyuan Chen , Keyi Li , Yifan Jia , Le Ye , Yufei Ma

Diffusion Transformers (DiT) are renowned for their impressive generative performance; however, they are significantly constrained by considerable computational costs due to the quadratic complexity in self-attention and the extensive…

Computer Vision and Pattern Recognition · Computer Science 2025-09-24 Shuning Chang , Pichao Wang , Jiasheng Tang , Fan Wang , Yi Yang

Coordinate transformation is applied to design an all-dielectric device for Extraordinary Transmission (ET) in a single sub-wavelength slit. The proposed device has a broadband feature and can be applied from microwave to visible frequency…

Optics · Physics 2015-05-19 Wenxuan Tang , Yang Hao , Francisco Medina

We present the development of extended diffraction tomography, a new approach to the solution of the linear seismic waveform inversion problem. This method has several appealing features, such as the use of arbitrary depth-dependent…

Geophysics · Physics 2009-05-05 R. B. Schlottmann

Pre-trained stable diffusion models (SD) have shown great advances in visual correspondence. In this paper, we investigate the capabilities of Diffusion Transformers (DiTs) for accurate dense correspondence. Distinct from SD, DiTs exhibit a…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Chaofan Gan , Yuanpeng Tu , Xi Chen , Tieyuan Chen , Yuxi Li , Mehrtash Harandi , Weiyao Lin

Diffusion models have shown exceptional performance in visual generation tasks. Recently, these models have shifted from traditional U-Shaped CNN-Attention hybrid structures to fully transformer-based isotropic architectures. While these…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Yuchuan Tian , Jing Han , Chengcheng Wang , Yuchen Liang , Chao Xu , Hanting Chen

Recent advancements in Diffusion Transformer (DiT) models have significantly improved 3D point cloud generation. However, existing methods primarily focus on local feature extraction while overlooking global topological information, such as…

Computer Vision and Pattern Recognition · Computer Science 2025-05-15 Zechao Guan , Feng Yan , Shuai Du , Lin Ma , Qingshan Liu

In medical imaging, the diffusion models have shown great potential for synthetic image generation tasks. However, these approaches often lack the interpretable connections between the generated and real images and can create anatomically…

Image and Video Processing · Electrical Eng. & Systems 2026-02-12 Jian-Qing Zheng , Yuanhan Mo , Yang Sun , Jiahua Li , Fuping Wu , Ziyang Wang , Tonia Vincent , Bartłomiej W. Papież

Recent advances in generative models, such as diffusion and flow matching, have shown strong performance in audio tasks. However, speech enhancement (SE) models are typically trained on limited datasets and evaluated under narrow…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-24 Tianyu Cao , Helin Wang , Ari Frummer , Yuval Sieradzki , Adi Arbel , Laureano Moro Velazquez , Jesus Villalba , Oren Gal , Thomas Thebaud , Najim Dehak

Diffusion Transformers (DiTs) achieve state-of-the-art performance in text-to-image synthesis but remain computationally expensive due to the iterative nature of denoising and the quadratic cost of global attention. In this work, we observe…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Bowen Lin , Fanjiang Ye , Yihua Liu , Zhenghui Guo , Boyuan Zhang , Weijian Zheng , Yufan Xu , Tiancheng Xing , Yuke Wang , Chengming Zhang

Diffusion Transformers (DiTs) have greatly advanced text-to-image generation, but models still struggle to generate the correct spatial relations between objects as specified in the text prompt. In this study, we adopt a mechanistic…

Artificial Intelligence · Computer Science 2026-04-07 Binxu Wang , Jingxuan Fan , Xu Pan

Molecular dynamics (MD) has long been the de facto choice for simulating complex atomistic systems from first principles. Recently deep learning models become a popular way to accelerate MD. Notwithstanding, existing models depend on…

Computational Engineering, Finance, and Science · Computer Science 2023-01-10 Fang Wu , Stan Z. Li

Real-world data generation often involves complex inter-dependencies among instances, violating the IID-data hypothesis of standard learning paradigms and posing a challenge for uncovering the geometric structures for learning desired…

Machine Learning · Computer Science 2023-05-30 Qitian Wu , Chenxiao Yang , Wentao Zhao , Yixuan He , David Wipf , Junchi Yan

Diffusion models have demonstrated powerful data generation capabilities in various research fields such as image generation. However, in the field of vibration signal generation, the criteria for evaluating the quality of the generated…

Machine Learning · Computer Science 2024-07-02 Haiming Yi , Lei Hou , Yuhong Jin , Nasser A. Saeed , Ali Kandil , Hao Duan

We empirically study the scaling properties of various Diffusion Transformers (DiTs) for text-to-image generation by performing extensive and rigorous ablations, including training scaled DiTs ranging from 0.3B upto 8B parameters on…

Computer Vision and Pattern Recognition · Computer Science 2024-12-18 Hao Li , Shamit Lal , Zhiheng Li , Yusheng Xie , Ying Wang , Yang Zou , Orchid Majumder , R. Manmatha , Zhuowen Tu , Stefano Ermon , Stefano Soatto , Ashwin Swaminathan