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Image data augmentation constitutes a critical methodology in modern computer vision tasks, since it can facilitate towards enhancing the diversity and quality of training datasets; thereby, improving the performance and robustness of…

This paper presents a novel approach for denoising Electron Backscatter Diffraction (EBSD) patterns using diffusion models. We propose a two-stage training process with a UNet-based architecture, incorporating an auxiliary regression head…

图像与视频处理 · 电气工程与系统科学 2025-09-01 Nikolay Falaleev , Nikolai Orlov

In this paper we investigate infinite horizon optimal control problems for parametrized partial differential equations. We are interested in feedback control via dynamic programming equations which is well-known to suffer from the curse of…

最优化与控制 · 数学 2018-10-02 Alessandro Alla , Bernard Haasdonk , Andreas Schmidt

Advances in micro deformable mirror (DM) technologies such as MEMs, have stimulated interest in the characteristics of systems that include a high stroke mirror in series with a high actuator count mirror. This arrangement is referred to as…

仪器与探测器 · 物理学 2017-08-23 Edward Laag , Don Gavel , Mark Ammons

Multi-Focus Image Fusion seeks to improve the quality of an acquired burst of images with different focus planes. For solving the task, an activity level measurement and a fusion rule are typically established to select and fuse the most…

Ultrasound image reconstruction can be approximately cast as a linear inverse problem that has traditionally been solved with penalized optimization using the $l_1$ or $l_2$ norm, or wavelet-based terms. However, such regularization…

计算机视觉与模式识别 · 计算机科学 2023-08-01 Yuxin Zhang , Clément Huneau , Jérôme Idier , Diana Mateus

Many mobile manufacturers recently have adopted Dual-Pixel (DP) sensors in their flagship models for faster auto-focus and aesthetic image captures. Despite their advantages, research on their usage for 3D facial understanding has been…

计算机视觉与模式识别 · 计算机科学 2022-07-20 Minjun Kang , Jaesung Choe , Hyowon Ha , Hae-Gon Jeon , Sunghoon Im , In So Kweon , KuK-Jin Yoon

The detection of moving infrared dim-small targets has been a challenging and prevalent research topic. The current state-of-the-art methods are mainly based on ConvLSTM to aggregate information from adjacent frames to facilitate the…

计算机视觉与模式识别 · 计算机科学 2024-07-11 Dengyan Luo , Yanping Xiang , Hu Wang , Luping Ji , Shuai Li , Mao Ye

Although 3D Gaussian Splatting has been widely studied because of its realistic and efficient novel-view synthesis, it is still challenging to extract a high-quality surface from the point-based representation. Previous works improve the…

计算机视觉与模式识别 · 计算机科学 2024-10-31 Hanlin Chen , Fangyin Wei , Chen Li , Tianxin Huang , Yunsong Wang , Gim Hee Lee

The world around us is full of soft objects we perceive and deform with dexterous hand movements. For a robotic hand to control soft objects, it has to acquire online state feedback of the deforming object. While RGB-D cameras can collect…

计算机视觉与模式识别 · 计算机科学 2024-03-28 Elham Amin Mansour , Hehui Zheng , Robert K. Katzschmann

Drag-based editing allows precise object manipulation through point-based control, offering user convenience. However, current methods often suffer from a geometric inconsistency problem by focusing exclusively on matching user-defined…

图形学 · 计算机科学 2025-07-14 Gwanhyeong Koo , Sunjae Yoon , Younghwan Lee , Ji Woo Hong , Chang D. Yoo

We present the research status of a deformable mirror made of a magnetic liquid whose surface is actuated by a triangular array of small current carrying coils. We demonstrate that the mirror can correct a 11 microns low order aberrated…

Prior methods for controlling image generation are limited in their ability to be taught new tasks. In contrast, vision-language models, or VLMs, can learn tasks in-context and produce the correct outputs for a given input. We propose a…

计算机视觉与模式识别 · 计算机科学 2025-06-03 Grace Luo , Jonathan Granskog , Aleksander Holynski , Trevor Darrell

Video-based human pose transfer is a video-to-video generation task that animates a plain source human image based on a series of target human poses. Considering the difficulties in transferring highly structural patterns on the garments…

计算机视觉与模式识别 · 计算机科学 2023-07-19 Wing-Yin Yu , Lai-Man Po , Ray C. C. Cheung , Yuzhi Zhao , Yu Xue , Kun Li

Diffusion models have attained remarkable success in the domains of image generation and editing. It is widely recognized that employing larger inversion and denoising steps in diffusion model leads to improved image reconstruction quality.…

计算机视觉与模式识别 · 计算机科学 2024-01-05 Chen Hou , Guoqiang Wei , Zhibo Chen

Magnetic resonance imaging (MRI) is a vital diagnostic tool, but its inherently long acquisition times reduce clinical efficiency and patient comfort. Recent advancements in deep learning, particularly diffusion models, have improved…

图像与视频处理 · 电气工程与系统科学 2026-04-28 Yuxuan Zhang , Jinkui Hao , Bo Zhou

We propose a \textit{guided multi-fidelity Bayesian optimization} framework for data-efficient controller tuning that integrates corrected digital twin simulations with real-world measurements. The method targets closed-loop systems with…

机器人学 · 计算机科学 2025-10-21 Mahdi Nobar , Jürg Keller , Alessandro Forino , John Lygeros , Alisa Rupenyan

Much progress has been made in the supervised learning of 3D reconstruction of rigid objects from multi-view images or a video. However, it is more challenging to reconstruct severely deformed objects from a single-view RGB image in an…

计算机视觉与模式识别 · 计算机科学 2022-01-25 Jie Mei , Jingxi Yu , Suzanne Romain , Craig Rose , Kelsey Magrane , Graeme LeeSon , Jenq-Neng Hwang

One of the common algorithms used to reconstruct photoacoustic (PA) images is the non-adaptive Delay-and-Sum (DAS) beamformer. However, the quality of the reconstructed PA images obtained by DAS is not satisfying due to its high level of…

信号处理 · 电气工程与系统科学 2018-02-13 Roya Paridar , Moein Mozaffarzadeh , Mohammadreza Nasiriavanaki , Mahdi Orooji

A multi-level tunable reflection array wide-angle beam scanning method is proposed to address the limited bandwidth and small scanning angle issues of current terahertz beam scanning technology. In this method, a focusing lens and its array…

光学 · 物理学 2024-09-09 Weihua Yu , Hong Peng , Mingze Li , Haolin Li , Yuan Xue , Huikai Xie
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