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Related papers: GEPAR3D: Geometry Prior-Assisted Learning for 3D T…

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We present a memory-efficient algorithm for significantly enhancing the quality of segmented 3D micro-Computed Tomography (micro-CT) images of rocks using a generative model. The proposed model achieves a 16x increase in resolution and…

Image and Video Processing · Electrical Eng. & Systems 2025-05-27 Evgeny Ugolkov , Xupeng He , Hyung Kwak , Hussein Hoteit

We address the problems of measuring geometric similarity between 3D scenes, represented through point clouds or range data frames, and associating them. Our approach leverages macro-scale 3D structural geometry - the relative configuration…

Computer Vision and Pattern Recognition · Computer Science 2018-08-07 Rahul Sawhney , Fuxin Li , Henrik I. Christensen , Charles L. Isbell

Tooth segmentation from intraoral scans is a crucial part of digital dentistry. Many Deep Learning based tooth segmentation algorithms have been developed for this task. In most of the cases, high accuracy has been achieved, although, most…

Computer Vision and Pattern Recognition · Computer Science 2023-05-02 Ananya Jana , Aniruddha Maiti , Dimitris N. Metaxas

Incorporation of prior knowledge about organ shape and location is key to improve performance of image analysis approaches. In particular, priors can be useful in cases where images are corrupted and contain artefacts due to limitations in…

Cardiac segmentation of atriums, ventricles, and myocardium in computed tomography (CT) images is an important first-line task for presymptomatic cardiovascular disease diagnosis. In several recent studies, deep learning models have shown…

Image and Video Processing · Electrical Eng. & Systems 2024-10-01 Sanguk Park , Minyoung Chung

Deep learning has shown unprecedented success in a variety of applications, such as computer vision and medical image analysis. However, there is still potential to improve segmentation in multimodal images by embedding prior knowledge via…

Image and Video Processing · Electrical Eng. & Systems 2019-10-24 Kibrom Berihu Girum , Gilles Créhange , Raabid Hussain , Paul Michael Walker , Alain Lalande

The clinical management of breast cancer depends on an accurate understanding of the tumor and its anatomical context to adjacent tissues and landmark structures. This context may be provided by semantic segmentation methods; however,…

Image and Video Processing · Electrical Eng. & Systems 2023-11-29 Arda Pekis , Vignesh Kannan , Evandros Kaklamanos , Anu Antony , Snehal Patel , Tyler Earnest

In this paper, we present a novel deep neural network architecture for joint class-agnostic object segmentation and grasp detection for robotic picking tasks using a parallel-plate gripper. We introduce depth-aware Coordinate Convolution…

Computer Vision and Pattern Recognition · Computer Science 2021-11-23 Stefan Ainetter , Christoph Böhm , Rohit Dhakate , Stephan Weiss , Friedrich Fraundorfer

Existing volumetric medical image segmentation models are typically task-specific, excelling at specific target but struggling to generalize across anatomical structures or modalities. This limitation restricts their broader clinical use.…

Computer Vision and Pattern Recognition · Computer Science 2024-09-17 Haoyu Wang , Sizheng Guo , Jin Ye , Zhongying Deng , Junlong Cheng , Tianbin Li , Jianpin Chen , Yanzhou Su , Ziyan Huang , Yiqing Shen , Bin Fu , Shaoting Zhang , Junjun He , Yu Qiao

Automatic segmentation of organs-at-risk (OARs) in CT scans using convolutional neural networks (CNNs) is being introduced into the radiotherapy workflow. However, these segmentations still require manual editing and approval by clinicians…

Computer Vision and Pattern Recognition · Computer Science 2022-06-28 Edward G. A. Henderson , Andrew F. Green , Marcel van Herk , Eliana M. Vasquez Osorio

We propose a novel method for instance label segmentation of dense 3D voxel grids. We target volumetric scene representations, which have been acquired with depth sensors or multi-view stereo methods and which have been processed with…

Computer Vision and Pattern Recognition · Computer Science 2019-11-04 Jean Lahoud , Bernard Ghanem , Marc Pollefeys , Martin R. Oswald

Recent advancements in deep learning for 3D models have propelled breakthroughs in generation, detection, and scene understanding. However, the effectiveness of these algorithms hinges on large training datasets. We address the challenge by…

Computer Vision and Pattern Recognition · Computer Science 2024-05-16 Mingxiang Chen , Jian Zhang , Boli Zhou , Yang Song

Tooth point cloud segmentation is a fundamental task in many orthodontic applications. Current research mainly focuses on fully supervised learning which demands expensive and tedious manual point-wise annotation. Although recent…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Yifan Liu , Wuyang Li , Cheng Wang , Hui Chen , Yixuan Yuan

Current 3D scene segmentation methods are heavily dependent on manually annotated 3D training datasets. Such manual annotations are labor-intensive, and often lack fine-grained details. Importantly, models trained on this data typically…

Computer Vision and Pattern Recognition · Computer Science 2023-12-29 Rui Huang , Songyou Peng , Ayca Takmaz , Federico Tombari , Marc Pollefeys , Shiji Song , Gao Huang , Francis Engelmann

Polygonal meshes have become the standard for discretely approximating 3D shapes, thanks to their efficiency and high flexibility in capturing non-uniform shapes. This non-uniformity, however, leads to irregularity in the mesh structure,…

Computer Vision and Pattern Recognition · Computer Science 2023-07-04 Giuseppe Vecchio , Luca Prezzavento , Carmelo Pino , Francesco Rundo , Simone Palazzo , Concetto Spampinato

Purpose: Conventional automated segmentation of the head anatomy in MRI distinguishes different brain and non-brain tissues based on image intensities and prior tissue probability maps (TPM). This works well for normal head anatomies, but…

Image and Video Processing · Electrical Eng. & Systems 2021-05-20 Lukas Hirsch , Yu Huang , Lucas C Parra

In recent years, a plethora of diverse methods have been proposed for 3D pose estimation. Among these, self-attention mechanisms and graph convolutions have both been proven to be effective and practical methods. Recognizing the strengths…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Sihan Wen , Xiantan Zhu , Zhiming Tan

3D object detection aims to predict object centers, dimensions, and rotations from LiDAR point clouds. Despite its simplicity, LiDAR captures only the near side of objects, making center-based detectors prone to poor localization accuracy…

Computer Vision and Pattern Recognition · Computer Science 2025-04-04 Ruixiao Zhang , Runwei Guan , Xiangyu Chen , Adam Prugel-Bennett , Xiaohao Cai

Automated axon tracing via fully supervised learning requires large amounts of 3D brain imagery, which is time consuming and laborious to obtain. It also requires expertise. Thus, there is a need for more efficient segmentation and…

Image and Video Processing · Electrical Eng. & Systems 2023-11-08 Nina I. Shamsi , Alex S. Xu , Lars A. Gjesteby , Laura J. Brattain

We introduce Open3DIS, a novel solution designed to tackle the problem of Open-Vocabulary Instance Segmentation within 3D scenes. Objects within 3D environments exhibit diverse shapes, scales, and colors, making precise instance-level…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Phuc D. A. Nguyen , Tuan Duc Ngo , Evangelos Kalogerakis , Chuang Gan , Anh Tran , Cuong Pham , Khoi Nguyen
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