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Reconstructing PDE-governed fields from sparse and irregular measurements is challenging due to their ill-posed nature. Deterministic surrogates are trained on dense fields that struggle with limited measurements and uncertainty…

机器学习 · 计算机科学 2026-05-18 Hao Zhou , Rui Zhang , Han Wan , Hao Sun

We study multi-sensor fusion for 3D semantic segmentation that is important to scene understanding for many applications, such as autonomous driving and robotics. Existing fusion-based methods, however, may not achieve promising performance…

计算机视觉与模式识别 · 计算机科学 2024-09-10 Mingkui Tan , Zhuangwei Zhuang , Sitao Chen , Rong Li , Kui Jia , Qicheng Wang , Yuanqing Li

Recently, building on the foundation of neural radiance field, various techniques have emerged to learn unsigned distance fields (UDF) to reconstruct 3D non-watertight models from multi-view images. Yet, a central challenge in UDF-based…

计算机视觉与模式识别 · 计算机科学 2024-04-17 Junkai Deng , Fei Hou , Xuhui Chen , Wencheng Wang , Ying He

Positron emission tomography (PET) offers powerful functional imaging but involves radiation exposure. Efforts to reduce this exposure by lowering the radiotracer dose or scan time can degrade image quality. While using magnetic resonance…

计算机视觉与模式识别 · 计算机科学 2026-02-13 Yingkai Zhang , Shuang Chen , Ye Tian , Yunyi Gao , Jianyong Jiang , Ying Fu

A new method has been developed for the correction of the distortions and/or enhanced phase differentiation in Electron Backscatter Diffraction (EBSD) data. Using a multi-modal data approach, the method uses segmented images of the phase of…

数据分析、统计与概率 · 物理学 2019-03-11 Marie-Agathe Charpagne , Florian Strub , Tresa M. Pollock

Foundation models pre-trained on large-scale data have been widely witnessed to achieve success in various natural imaging downstream tasks. Parameter-efficient fine-tuning (PEFT) methods aim to adapt foundation models to new domains by…

计算机视觉与模式识别 · 计算机科学 2025-03-24 Wenqiang Zu , Shenghao Xie , Qing Zhao , Guoqi Li , Lei Ma

Dense matching is crucial for 3D scene reconstruction since it enables the recovery of scene 3D geometry from image acquisition. Deep Learning (DL)-based methods have shown effectiveness in the special case of epipolar stereo disparity…

计算机视觉与模式识别 · 计算机科学 2024-02-21 Teng Wu , Bruno Vallet , Marc Pierrot-Deseilligny , Ewelina Rupnik

Recent advances in tuning-free personalized image generation based on diffusion models are impressive. However, to improve subject fidelity, existing methods either retrain the diffusion model or infuse it with dense visual embeddings, both…

计算机视觉与模式识别 · 计算机科学 2024-03-25 Zhichao Wei , Qingkun Su , Long Qin , Weizhi Wang

Recent work has shown improved lesion detectability and flexibility to reconstruction hyperparameters (e.g. scanner geometry or dose level) when PET images are reconstructed by leveraging pre-trained diffusion models. Such methods train a…

医学物理 · 物理学 2025-08-28 George Webber , Alexander Hammers , Andrew P. King , Andrew J. Reader

In recent years, denoising methods based on deep learning have achieved unparalleled performance at the cost of large computational complexity. In this work, we propose an Efficient Multi-stage Video Denoising algorithm, called EMVD, to…

图像与视频处理 · 电气工程与系统科学 2023-03-31 Matteo Maggioni , Yibin Huang , Cheng Li , Shuai Xiao , Zhongqian Fu , Fenglong Song

Deep neural networks have shown exemplary performance on semantic scene understanding tasks on source domains, but due to the absence of style diversity during training, enhancing performance on unseen target domains using only single…

计算机视觉与模式识别 · 计算机科学 2024-03-29 Sumanth Udupa , Prajwal Gurunath , Aniruddh Sikdar , Suresh Sundaram

We introduce a new multi-dimensional nonlinear embedding -- Piecewise Flat Embedding (PFE) -- for image segmentation. Based on the theory of sparse signal recovery, piecewise flat embedding with diverse channels attempts to recover a…

计算机视觉与模式识别 · 计算机科学 2018-08-13 Chaowei Fang , Zicheng Liao , Yizhou Yu

Depth completion involves predicting dense depth maps from sparse LiDAR inputs. However, sparse depth annotations from sensors limit the availability of dense supervision, which is necessary for learning detailed geometric features. In this…

计算机视觉与模式识别 · 计算机科学 2025-03-24 Yingping Liang , Yutao Hu , Wenqi Shao , Ying Fu

In latest years, deep learning has gained a leading role in the pansharpening of multiresolution images. Given the lack of ground truth data, most deep learning-based methods carry out supervised training in a reduced-resolution domain.…

图像与视频处理 · 电气工程与系统科学 2023-07-28 Matteo Ciotola , Giovanni Poggi , Giuseppe Scarpa

Non-blind deconvolution aims to restore a sharp image from its blurred counterpart given an obtained kernel. Existing deep neural architectures are often built based on large datasets of sharp ground truth images and trained with…

计算机视觉与模式识别 · 计算机科学 2023-10-04 Tomáš Chobola , Gesine Müller , Veit Dausmann , Anton Theileis , Jan Taucher , Jan Huisken , Tingying Peng

Electron backscatter diffraction (EBSD) has developed over the last few decades into a valuable crystallographic characterisation method for a wide range of sample types. Despite these advances, issues such as the complexity of sample…

图像与视频处理 · 电气工程与系统科学 2024-07-17 Zoë Broad , Alex W. Robinson , Jack Wells , Daniel Nicholls , Amirafshar Moshtaghpour , Angus I. Kirkland , Nigel D. Browning

Dense 3D reconstruction has many applications in automated driving including automated annotation validation, multimodal data augmentation, providing ground truth annotations for systems lacking LiDAR, as well as enhancing auto-labeling…

计算机视觉与模式识别 · 计算机科学 2024-02-13 Shihao Shen , Louis Kerofsky , Varun Ravi Kumar , Senthil Yogamani

A capturing system with multispectral filter array (MSFA) technology is proposed for shortening the capture time and reducing costs. Therein, a mosaicked image captured using an MSFA is demosaicked to reconstruct multispectral images…

图像与视频处理 · 电气工程与系统科学 2018-07-05 Kazuma Shinoda , Maru Kawase , Madoka Hasegawa , Masahiro Ishikawa , Hideki Komagata , Naoki Kobayashi

Defocus Blur Detection(DBD) aims to separate in-focus and out-of-focus regions from a single image pixel-wisely. This task has been paid much attention since bokeh effects are widely used in digital cameras and smartphone photography.…

计算机视觉与模式识别 · 计算机科学 2020-07-17 Xiaodong Cun , Chi-Man Pun

Monocular depth estimation (MDE) plays a pivotal role in various computer vision applications, such as robotics, augmented reality, and autonomous driving. Despite recent advancements, existing methods often fail to meet key requirements…

计算机视觉与模式识别 · 计算机科学 2025-09-29 Andrii Litvynchuk , Ivan Livinsky , Anand Ravi , Nima Kalantari , Andrii Tsarov
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