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As the demand for higher data throughput in coherent optical communication systems increases, we need to find ways to increase capacity in existing and future optical communication links. To address the demand for higher spectral…

Signal Processing · Electrical Eng. & Systems 2023-04-25 Andrej Rode , Benedikt Geiger , Shrinivas Chimmalgi , Laurent Schmalen

Sharpening is a widely adopted video enhancement technique. However, uniform sharpening intensity ignores texture variations, degrading video quality. Sharpening also increases bitrate, and there's a lack of techniques to optimally allocate…

Computer Vision and Pattern Recognition · Computer Science 2025-08-13 Yingxue Pang , Shijie Zhao , Mengxi Guo , Junlin Li , Li Zhang

Piecewise divergence-free nonconforming virtual elements are designed for Stokes problem in any dimensions. After introducing a local energy projector based on the Stokes problem and the stabilization, a divergence-free nonconforming…

Numerical Analysis · Mathematics 2021-03-22 Huayi Wei , Xuehai Huang , Ao Li

The growing prevalence of high-dimensional data has fostered the development of multidimensional projection (MP) techniques, such as t-SNE, UMAP, and LAMP, for data visualization and exploration. However, conventional MP methods typically…

Graphics · Computer Science 2024-07-24 Maniru Ibrahim

Multi-objective Bayesian optimization (MOBO) provides a principled framework for navigating trade-offs in molecular design. However, its empirical advantages over scalarized alternatives remain underexplored. We benchmark a simple…

Machine Learning · Computer Science 2025-12-25 Anabel Yong , Austin Tripp , Layla Hosseini-Gerami , Brooks Paige

The visual projector serves as an essential bridge between the visual encoder and the Large Language Model (LLM) in a Multimodal LLM (MLLM). Typically, MLLMs adopt a simple MLP to preserve all visual contexts via one-to-one transformation.…

Computer Vision and Pattern Recognition · Computer Science 2024-08-29 Wentong Li , Yuqian Yuan , Jian Liu , Dongqi Tang , Song Wang , Jie Qin , Jianke Zhu , Lei Zhang

In recent years, large-scale vision-language models (VLMs) have demonstrated remarkable performance on multimodal understanding and reasoning tasks. However, handling high-dimensional visual features often incurs substantial computational…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Xiaoyang Guo , Keze Wang

The increased need in pointing performance for Earth observation and science Space missions together with the use of lighter and flexible structures directly come with the need of a robust pointing performance budget from the very beginning…

Systems and Control · Electrical Eng. & Systems 2022-10-25 Francesco Sanfedino , Gabriel Thiébaud , Daniel Alazard , Nicola Guercio , Nicolas Deslaef

We demonstrate the fabrication of millimeter-sized optical components using tomographic volumetric additive manufacturing (VAM). By purposely blurring the writing beams through the use of a large etendue source, the layer-like artifacts…

Matrix-matrix multiplication is a key computational kernel for numerous applications in science and engineering, with ample parallelism and data locality that lends itself well to high-performance implementations. Many matrix…

Hardware Architecture · Computer Science 2018-06-26 Yaman Umuroglu , Lahiru Rasnayake , Magnus Sjalander

Image matching aims at identifying corresponding points between a pair of images. Currently, detector-free methods have shown impressive performance in challenging scenarios, thanks to their capability of generating dense matches and global…

Computer Vision and Pattern Recognition · Computer Science 2024-08-08 Xudong Cai , Yongcai Wang , Lun Luo , Minhang Wang , Deying Li , Jintao Xu , Weihao Gu , Rui Ai

A concise and highly performant branchless formulation of a Joseph-type interpolating ray-casting algorithm for the computation of X-ray projections is presented. It efficiently utilizes the hardware resources of modern graphics processing…

Medical Physics · Physics 2020-09-01 Jonas Graetz

Zero-Shot Anomaly Detection (ZSAD) leverages Vision-Language Models (VLMs) to enable supervision-free industrial inspection. However, existing ZSAD paradigms are constrained by single visual backbones, which struggle to balance global…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Chenhao Fu , Han Fang , Xiuzheng Zheng , Wenbo Wei , Yonghua Li , Hao Sun , Xuelong Li

Simulation and optimization are crucial for advancing the engineering design of complex systems and processes. Traditional optimization methods require substantial computational time and effort due to their reliance on resource-intensive…

Machine Learning · Computer Science 2025-08-28 Janak M. Patel , Milad Ramezankhani , Anirudh Deodhar , Dagnachew Birru

We propose a new system to visualize depth-dependent patterns and images on solid objects with complex geometry using multiple projectors. The system, despite consisting of conventional passive LCD projectors, is able to project different…

Computer Vision and Pattern Recognition · Computer Science 2016-09-13 Takuto Hirukawa , Marco Visentini-Scarzanella , Hiroshi Kawasaki , Ryo Furukawa , Shinsaku Hiura

In most existing robust array beam pattern synthesis studies, the bounded-sphere model is used to describe the steering vector (SV) uncertainties. In this letter, instead of bounding the norm of SV perturbations as a whole, we explore the…

Information Theory · Computer Science 2019-05-22 Jintai Yang , Jingran Lin , Qingjiang Shi , Qiang Li

Beamforming design for extremely large-scale multiple-input multiple-output (XL-MIMO) systems is challenging due to prohibitive computational complexity and complex near-field propagation effects. To address this, this paper introduces a…

Information Theory · Computer Science 2026-04-13 Xiyuan Liu , Qingqing Wu , Rui Wang , Qiaoyan Peng , Jun Wu

Tomographic volumetric 3D-printing (TVP) utilizes a nonlinear photoresponse of polymer precursor to cure all points in a three-dimensional (3D) object in parallel. A key challenge in TVP is to build up dose contrast between in-part and…

As the capabilities of Vision-Language Models (VLMs) advance, they can process increasingly large inputs, which, unlike in LLMs, generates significant visual token redundancy and leads to prohibitive inference costs. While many methods aim…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Pu Zhang , Yuwei Li , Xingyuan Xian , Guoming Tang

Diffusion policies have recently emerged as a powerful class of visuomotor controllers for robot manipulation, offering stable training and expressive multi-modal action modeling. However, existing approaches typically treat action…

Robotics · Computer Science 2025-10-01 Zezeng Li , Rui Yang , Ruochen Chen , ZhongXuan Luo , Liming Chen