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Ultrasonic phased array technology, while versatile, often requires complex computing resources and numerous amplifier components. We present a Manually Reconfigurable Phased Array that physically controls transducer position and phase,…

Applied Physics · Physics 2025-05-22 Soma Mochizuki , Yoichi Ochiai , Tatsuki Fushimi

Representation of semantic context and local details is the essential issue for building modern semantic segmentation models. However, the interrelationship between semantic context and local details is not well explored in previous works.…

Computer Vision and Pattern Recognition · Computer Science 2021-05-26 Chen Shi , Xiangtai Li , Yanran Wu , Yunhai Tong , Yi Xu

Diffusion models (DMs) produce high-quality images, yet their sampling remains costly when adapted to new domains. Distilled DMs are faster but typically remain confined within their teacher's domain. Thus, fast and high-quality generation…

Computer Vision and Pattern Recognition · Computer Science 2026-03-26 Yara Bahram , Mélodie Desbos , Mohammadhadi Shateri , Eric Granger

In this contribution, we present a novel consistent dual-stage approach for the automated generation of hyperelastic constitutive models which only requires experimentally measurable data. To generate input data for our approach, an…

Computational Engineering, Finance, and Science · Computer Science 2025-04-23 Lennart Linden , Karl A. Kalina , Jörg Brummund , Brain Riemer , Markus Kästner

Semantic 4D Gaussians can be used for reconstructing and understanding dynamic scenes, with temporal variations than static scenes. Directly applying static methods to understand dynamic scenes will fail to capture the temporal features.…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Zhiying Yan , Yiyuan Liang , Shilv Cai , Tao Zhang , Sheng Zhong , Luxin Yan , Xu Zou

Dynamic scene reconstruction has garnered significant attention in recent years due to its capabilities in high-quality and real-time rendering. Among various methodologies, constructing a 4D spatial-temporal representation, such as 4D-GS,…

Computer Vision and Pattern Recognition · Computer Science 2024-08-27 Weiwei Cai , Weicai Ye , Peng Ye , Tong He , Tao Chen

Masked discrete diffusion is a dominant paradigm for high-quality language modeling where tokens are iteratively corrupted to a mask state, yet its inference efficiency is bottlenecked by the lack of deterministic sampling tools. While…

Machine Learning · Computer Science 2026-02-03 Guinan Chen , Xunpeng Huang , Ying Sun , Shijin Wang , Yanyong Zhang , Chao Wang

A digital twin is a surrogate model that has the main feature to mirror the original process behavior. Associating the dynamical process with a digital twin model of reduced complexity has the significant advantage to map the dynamics with…

Numerical Analysis · Mathematics 2024-03-19 Diana Alina Bistrian , Omer San , Ionel Michael Navon

Recent advances in 3D representations, such as Neural Radiance Fields and 3D Gaussian Splatting, have greatly improved realistic scene modeling and novel-view synthesis. However, achieving controllable and consistent editing in dynamic 3D…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Kai He , Chin-Hsuan Wu , Igor Gilitschenski

Ultrafast all-optical control of light emission is a central goal of extreme nonlinear optics, with implications for compact short-wavelength sources, petahertz optoelectronics, and label-free superresolution microscopy. High-harmonic…

Recent deep learning approaches seek to automate CAD creation by representing a model as a sequence of discrete commands and parameters, and then generating them using autoregressive models or continuous diffusion operating in Euclidean…

Computer Vision and Pattern Recognition · Computer Science 2026-05-07 Honghu Pan , Xiaoling Luo , Yongyong Chen , Zhenyu He , Pengyang Wang

Diffusion models arise as a powerful generative tool recently. Despite the great progress, existing diffusion models mainly focus on uni-modal control, i.e., the diffusion process is driven by only one modality of condition. To further…

Computer Vision and Pattern Recognition · Computer Science 2023-04-21 Ziqi Huang , Kelvin C. K. Chan , Yuming Jiang , Ziwei Liu

Photoacoustic computed tomography (PACT) is a hybrid imaging modality, which combines the high optical contrast of pure optical imaging and the high penetration depth of ultrasound imaging. However, photoacoustic image dataset with good…

Medical Physics · Physics 2022-05-24 Tengbo Lyu , Changchun Yang , Jiadong Zhang , Shanshan Guo , Feng Gao , Fei Gao

Auditory Attention Detection (AAD) aims to detect target speaker from brain signals in a multi-speaker environment. Although EEG-based AAD methods have shown promising results in recent years, current approaches primarily rely on…

Signal Processing · Electrical Eng. & Systems 2023-09-15 Cunhang Fan , Hongyu Zhang , Wei Huang , Jun Xue , Jianhua Tao , Jiangyan Yi , Zhao Lv , Xiaopei Wu

In this paper, we propose a foreground-aware dataset distillation method that enhances patch selection in a content-adaptive manner. With the rising computational cost of training large-scale deep models, dataset distillation has emerged as…

Computer Vision and Pattern Recognition · Computer Science 2026-01-07 Longzhen Li , Guang Li , Ren Togo , Keisuke Maeda , Takahiro Ogawa , Miki Haseyama

Diffusion models are widely recognized for their ability to generate high-fidelity images. Despite the excellent performance and scalability of the Diffusion Transformer (DiT) architecture, it applies fixed compression across different…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Weinan Jia , Mengqi Huang , Nan Chen , Lei Zhang , Zhendong Mao

We introduce a diffusion-based approach for generating privacy-preserving digital twins of multi-room indoor environments from depth images only. Central to our approach is a novel Multi-view Overlapped Scene Alignment with Implicit…

Computer Vision and Pattern Recognition · Computer Science 2025-11-10 Zhixuan Liu , Haokun Zhu , Rui Chen , Jonathan Francis , Soonmin Hwang , Ji Zhang , Jean Oh

Matter density is formally infinite at the location of caustic surfaces, where dark matter sheet folds in phase-space. The caustics separate regions with different number of streams and the volume elements change the parity by turning…

Cosmology and Nongalactic Astrophysics · Physics 2019-06-17 Sergei F. Shandarin , Nesar S. Ramachandra

Laser writing of materials is normally performed by the sequential scanning of a single focused beam across a sample. This process is time-consuming and it can severely limit the throughput of laser systems in key applications such as…

Applied Physics · Physics 2019-07-22 A. Zunino , S. Surdo , M. Duocastella

Dataset distillation provides an effective approach to reduce memory and computational costs by optimizing a compact dataset that achieves performance comparable to the full original. However, for large-scale datasets and complex deep…

Computer Vision and Pattern Recognition · Computer Science 2025-11-14 Xinhao Zhong , Shuoyang Sun , Xulin Gu , Zhaoyang Xu , Yaowei Wang , Min Zhang , Bin Chen