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相关论文: CryoAlign: feature-based method for global and loc…

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Background and Objective: The contrast of cryo-EM images varies from one to another, primarily due to the uneven thickness of the ice layer. This contrast variation can affect the quality of 2-D class averaging, 3-D ab-initio modeling, and…

计算机视觉与模式识别 · 计算机科学 2022-07-01 Yunpeng Shi , Amit Singer

Existing deep embedding methods in vision tasks are capable of learning a compact Euclidean space from images, where Euclidean distances correspond to a similarity metric. To make learning more effective and efficient, hard sample mining is…

计算机视觉与模式识别 · 计算机科学 2016-10-28 Chen Huang , Chen Change Loy , Xiaoou Tang

A robust, resource-efficient, distributed, and minimally parameterized 3D map matching and merging algorithm is proposed. The suggested algorithm utilizes tomographic features from 2D projections of horizontal cross-sections of…

机器人学 · 计算机科学 2024-07-01 Halil Utku Unlu , Anthony Tzes , Prashanth Krishnamurthy , Farshad Khorrami

Vision-language models (VLMs) like CLIP have showcased a remarkable ability to extract transferable features for downstream tasks. Nonetheless, the training process of these models is usually based on a coarse-grained contrastive loss…

Feature matching is a fundamental problem in computer vision with wide-ranging applications, including simultaneous localization and mapping (SLAM), image stitching, and 3D reconstruction. While recent advances in deep learning have…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Ronald Nap , Andy Xiao

Macromolecules change their shape (conformation) in the process of carrying out their functions. The imaging by cryo-electron microscopy of rapidly-frozen, individual copies of macromolecules (single particles) is a powerful and general…

生物大分子 · 定量生物学 2022-11-22 Bogdan Toader , Fred J. Sigworth , Roy R. Lederman

Worldwide geo-localization involves determining the exact geographic location of images captured globally, typically guided by geographic cues such as climate, landmarks, and architectural styles. Despite advancements in geo-localization…

计算机视觉与模式识别 · 计算机科学 2025-09-08 Furong Jia , Lanxin Liu , Ce Hou , Fan Zhang , Xinyan Liu , Yu Liu

Correlative light-electron microscopy (CLEM) unifies the versatility of light microscopy (LM) with the high resolution of electron microscopy (EM), allowing one to zoom into the complex organization of cells. Most CLEM techniques use…

Single-particle cryo-electron microscopy (cryo-EM) has recently joined X-ray crystallography and NMR spectroscopy as a high-resolution structural method for biological macromolecules. Cryo-EM was selected by Nature Methods as Method of the…

计算物理 · 物理学 2018-03-20 Amit Singer

Recent vision-language foundation models still frequently produce outputs misaligned with their inputs, evidenced by object hallucination in captioning and prompt misalignment in the text-to-image generation model. Recent studies have…

计算机视觉与模式识别 · 计算机科学 2024-12-25 JeongYeon Nam , Jinbae Im , Wonjae Kim , Taeho Kil

We introduce a novel matching algorithm, called DeepMatching, to compute dense correspondences between images. DeepMatching relies on a hierarchical, multi-layer, correlational architecture designed for matching images and was inspired by…

计算机视觉与模式识别 · 计算机科学 2015-10-12 Jerome Revaud , Philippe Weinzaepfel , Zaid Harchaoui , Cordelia Schmid

Practical face recognition has been studied in the past decades, but still remains an open challenge. Current prevailing approaches have already achieved substantial breakthroughs in recognition accuracy. However, their performance usually…

计算机视觉与模式识别 · 计算机科学 2015-11-03 Yandong Wen , Weiyang Liu , Meng Yang , Zhifeng Li

Accurate structural analysis is essential to gain physical knowledge and understanding of atomic-scale processes in materials from atomistic simulations. However, traditional analysis methods often reach their limits when applied to…

Deployment of machine learning algorithms into real-world practice is still a difficult task. One of the challenges lies in the unpredictable variability of input data, which may differ significantly among individual users, institutions,…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Roman Stoklasa

We present ChromAlignNet, a deep learning model for alignment of peaks in Gas Chromatography-Mass Spectrometry (GC-MS) data. In GC-MS data, a compound's retention time (RT) may not stay fixed across multiple chromatograms. To use GC-MS data…

机器学习 · 计算机科学 2019-08-21 Mike Li , X. Rosalind Wang

Electrocardiogram is a useful diagnostic signal that can detect cardiac abnormalities by measuring the electrical activity generated by the heart. Due to its rapid, non-invasive, and richly informative characteristics, ECG has many emerging…

机器学习 · 计算机科学 2025-12-09 Hanhui Deng , Xinglin Li , Jie Luo , Di Wu

Understanding neural responses to visual stimuli remains challenging due to the inherent complexity of brain representations and the modality gap between neural data and visual inputs. Existing methods, mainly based on reducing neural…

计算机视觉与模式识别 · 计算机科学 2026-01-06 Weihang You , Hanqi Jiang , Yi Pan , Junhao Chen , Tianming Liu , Fei Dou

In this paper, we outline the use of Mixture Models in density estimation of large astronomical databases. This method of density estimation has been known in Statistics for some time but has not been implemented because of the large…

天体物理学 · 物理学 2007-05-23 A. J. Connolly , C. Genovese , A. W. Moore , R. C. Nichol , J. Schneider , L. Wasserman

We propose a framework to jointly determine the deformation parameters and reconstruct the unknown volume in electron cryotomography (CryoET). CryoET aims to reconstruct three-dimensional biological samples from two-dimensional projections.…

图像与视频处理 · 电气工程与系统科学 2023-10-17 Valentin Debarnot , Sidharth Gupta , Konik Kothari , Ivan Dokmanic

Data assimilation combines information from physical observations and numerical simulation results to obtain better estimates of the state and parameters of a physical system. A wide class of physical systems of interest have solutions that…

最优化与控制 · 数学 2025-05-02 Amit N. Subrahmanya , Adrian Sandu