中文
相关论文

相关论文: 2.5D U-Net with Depth Reduction for 3D CryoET Obje…

200 篇论文

Detection identifies objects as axis-aligned boxes in an image. Most successful object detectors enumerate a nearly exhaustive list of potential object locations and classify each. This is wasteful, inefficient, and requires additional…

计算机视觉与模式识别 · 计算机科学 2019-04-26 Xingyi Zhou , Dequan Wang , Philipp Krähenbühl

In this technical report, we introduce our submission to the Waymo 3D Detection leaderboard. Our network is based on the Centerpoint architecture, but with significant improvements. We design a 2D backbone to utilize multi-scale features…

计算机视觉与模式识别 · 计算机科学 2022-07-12 Shaoxiang Chen , Zequn Jie , Xiaolin Wei , Lin Ma

The goal of this paper is to perform 3D object detection in the context of autonomous driving. Our method first aims at generating a set of high-quality 3D object proposals by exploiting stereo imagery. We formulate the problem as…

计算机视觉与模式识别 · 计算机科学 2017-04-26 Xiaozhi Chen , Kaustav Kundu , Yukun Zhu , Huimin Ma , Sanja Fidler , Raquel Urtasun

In this work, we present a novel method to learn a local cross-domain descriptor for 2D image and 3D point cloud matching. Our proposed method is a dual auto-encoder neural network that maps 2D and 3D input into a shared latent space…

计算机视觉与模式识别 · 计算机科学 2019-11-22 Quang-Hieu Pham , Mikaela Angelina Uy , Binh-Son Hua , Duc Thanh Nguyen , Gemma Roig , Sai-Kit Yeung

A single-particle cryo-electron microscopy (cryo-EM) measurement, called a micrograph, consists of multiple two-dimensional tomographic projections of a three-dimensional (3-D) molecular structure at unknown locations, taken under unknown…

图像与视频处理 · 电气工程与系统科学 2026-03-10 Shay Kreymer , Amit Singer , Tamir Bendory

$\bf{Purpose:}$ The goal of this study was (i) to use artificial intelligence to automate the traditionally labor-intensive process of manual segmentation of tumor regions in pathology slides performed by a pathologist and (ii) to validate…

Object detection serves as a significant step in improving performance of complex downstream computer vision tasks. It has been extensively studied for many years now and current state-of-the-art 2D object detection techniques proffer…

计算机视觉与模式识别 · 计算机科学 2022-02-08 Prithwish Jana , Partha Pratim Mohanta

We introduce DiffFit, a differentiable algorithm for fitting protein atomistic structures into an experimental reconstructed Cryo-Electron Microscopy (cryo-EM) volume map. In structural biology, this process is necessary to…

定量方法 · 定量生物学 2025-01-09 Deng Luo , Zainab Alsuwaykit , Dawar Khan , Ondřej Strnad , Tobias Isenberg , Ivan Viola

Keypoint detection is the foundation of many computer vision tasks, including image registration, structure-from-motion, 3D reconstruction, visual odometry, and SLAM. Traditional detectors (SIFT, ORB, BRISK, FAST, etc.) and learning-based…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Shaharyar Ahmed Khan Tareen , Filza Khan Tareen , Xiaojing Yuan

Electron tomography (ET) allows high-resolution reconstructions of macromolecular complexes at nearnative state. Cellular structures segmentation in the reconstruction data from electron tomographic images is often required for analyzing…

计算机视觉与模式识别 · 计算机科学 2018-11-29 Enze Zhang , Fa Zhang , Zhiyong Liu , Xiaohua Wan , Lifa Zhu

Open-set 3D macromolecule detection in cryogenic electron tomography eliminates the need for target-specific model retraining. However, strict VRAM constraints prohibit processing an entire 3D tomogram, forcing current methods to rely on…

计算机视觉与模式识别 · 计算机科学 2026-05-04 Ming-Yang Ho , Alberto Bartesaghi

3D object detection in point clouds is important for autonomous driving systems. A primary challenge in 3D object detection stems from the sparse distribution of points within the 3D scene. Existing high-performance methods typically employ…

计算机视觉与模式识别 · 计算机科学 2023-11-01 Gang Zhang , Junnan Chen , Guohuan Gao , Jianmin Li , Xiaolin Hu

We present a novel approach for extracting 3D atomic-level information from transmission electron microscopy (TEM) images affected by significant noise. The approach is based on formulating depth estimation as a semantic segmentation…

计算机视觉与模式识别 · 计算机科学 2026-01-29 Matan Leibovich , Mai Tan , Ramon Manzorro , Adria Marcos-Morales , Sreyas Mohan , Peter A. Crozier , Carlos Fernandez-Granda

We present a geometry-aware method for heterogeneous single-particle cryogenic electron microscopy (cryo-EM) reconstruction that predicts atomic backbone conformations. To incorporate protein-structure priors, we represent the backbone as a…

计算机视觉与模式识别 · 计算机科学 2026-03-09 Jonathan Krook , Axel Janson , Joakim Andén , Melanie Weber , Ozan Öktem

Cryogenic electron microscopy (cryo-EM) provides images from different copies of the same biomolecule in arbitrary orientations. Here, we present an end-to-end unsupervised approach that learns individual particle orientations from cryo-EM…

图像与视频处理 · 电气工程与系统科学 2021-07-08 Youssef S. G. Nashed , Frederic Poitevin , Harshit Gupta , Geoffrey Woollard , Michael Kagan , Chuck Yoon , Daniel Ratner

Early detection and diagnosis of coronary artery disease (CAD) could save lives and reduce healthcare costs. The current clinical practice is to perform CAD diagnosis through analysing medical images from computed tomography coronary…

Segmentation of lung tissue in computed tomography (CT) images is a precursor to most pulmonary image analysis applications. Semantic segmentation methods using deep learning have exhibited top-tier performance in recent years, however…

图像与视频处理 · 电气工程与系统科学 2023-04-27 Niloufar Delfan , Hamid Abrishami Moghaddam , Mohammadreza Modaresi , Kimia Afshari , Kasra Nezamabadi , Neda Pak , Omid Ghaemi , Mohamad Forouzanfar

We propose a new learning-based approach for 3D particle field imaging using holography. Our approach uses a U-net architecture incorporating residual connections, Swish activation, hologram preprocessing, and transfer learning to cope with…

图像与视频处理 · 电气工程与系统科学 2020-02-19 Siyao Shao , Kevin Mallery , Santosh Kumar , Jiarong Hong

Non-destructive testing (NDT) is essential in ceramic manufacturing to ensure the quality of components without compromising their integrity. In this context, Optical Coherence Tomography (OCT) enables high-resolution internal imaging,…

Microscopy imaging techniques are instrumental for characterization and analysis of biological structures. As these techniques typically render 3D visualization of cells by stacking 2D projections, issues such as out-of-plane excitation and…

图像与视频处理 · 电气工程与系统科学 2023-02-16 Amirkoushyar Ziabari , Derek C. Rose , Abbas Shirinifard , David Solecki