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Aiming at inferring 3D shapes from 2D images, 3D shape reconstruction has drawn huge attention from researchers in computer vision and deep learning communities. However, it is not practical to assume that 2D input images and their…

Computer Vision and Pattern Recognition · Computer Science 2018-11-30 Yi-Lun Liao , Yao-Cheng Yang , Yu-Chiang Frank Wang

Repeated plant monitoring is essential for tracking crop growth, and 3D reconstruction enables consistent comparison across monitoring sessions. However, rebuilding a 3D model from scratch in every session is costly and overlooks…

This paper proposes a novel self-supervised learning method for semantic segmentation using selective masking image reconstruction as the pretraining task. Our proposed method replaces the random masking augmentation used in most masked…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Yuemin Wang , Ian Stavness

This paper presents a semantic planar SLAM system that improves pose estimation and mapping using cues from an instance planar segmentation network. While the mainstream approaches are using RGB-D sensors, employing a monocular camera with…

Computer Vision and Pattern Recognition · Computer Science 2022-06-23 Fangwen Shu , Yaxu Xie , Jason Rambach , Alain Pagani , Didier Stricker

To autonomously navigate and plan interactions in real-world environments, robots require the ability to robustly perceive and map complex, unstructured surrounding scenes. Besides building an internal representation of the observed scene…

Reconstructing 3D models from 2D images is one of the fundamental problems in computer vision. In this work, we propose a deep learning technique for 3D object reconstruction from a single image. Contrary to recent works that either use 3D…

Computer Vision and Pattern Recognition · Computer Science 2020-05-06 K L Navaneet , Ansu Mathew , Shashank Kashyap , Wei-Chih Hung , Varun Jampani , R. Venkatesh Babu

3D point cloud semantic segmentation is one of the fundamental tasks for 3D scene understanding and has been widely used in the metaverse applications. Many recent 3D semantic segmentation methods learn a single prototype (classifier…

Computer Vision and Pattern Recognition · Computer Science 2022-10-19 Yangheng Zhao , Jun Wang , Xiaolong Li , Yue Hu , Ce Zhang , Yanfeng Wang , Siheng Chen

Recent works on open-vocabulary 3D instance segmentation show strong promise, but at the cost of slow inference speed and high computation requirements. This high computation cost is typically due to their heavy reliance on 3D clip…

Computer Vision and Pattern Recognition · Computer Science 2025-02-14 Mohamed El Amine Boudjoghra , Angela Dai , Jean Lahoud , Hisham Cholakkal , Rao Muhammad Anwer , Salman Khan , Fahad Shahbaz Khan

We present a single network method for panoptic segmentation. This method combines the predictions from a jointly trained semantic and instance segmentation network using heuristics. Joint training is the first step towards an end-to-end…

Computer Vision and Pattern Recognition · Computer Science 2019-02-08 Daan de Geus , Panagiotis Meletis , Gijs Dubbelman

We introduce a new task, Map and Locate, which unifies the traditionally distinct objectives of open-vocabulary segmentation - detecting and segmenting object instances based on natural language queries - and 3D reconstruction, the process…

Computer Vision and Pattern Recognition · Computer Science 2025-06-05 Xuweiyi Chen , Tian Xia , Sihan Xu , Jianing Yang , Joyce Chai , Zezhou Cheng

Current methods for 3D object reconstruction from a set of planar cross-sections still struggle to capture detailed topology or require a considerable number of cross-sections. In this paper, we present, to the best of our knowledge the…

Computer Vision and Pattern Recognition · Computer Science 2022-10-25 Azimkhon Ostonov

We present a real-time method for robust estimation of multiple instances of geometric models from noisy data. Geometric models such as vanishing points, planar homographies or fundamental matrices are essential for 3D scene analysis.…

Computer Vision and Pattern Recognition · Computer Science 2024-01-29 Florian Kluger , Bodo Rosenhahn

Most deep learning approaches to comprehensive semantic modeling of 3D indoor spaces require costly dense annotations in the 3D domain. In this work, we explore a central 3D scene modeling task, namely, semantic scene reconstruction without…

Computer Vision and Pattern Recognition · Computer Science 2024-06-06 Junwen Huang , Alexey Artemov , Yujin Chen , Shuaifeng Zhi , Kai Xu , Matthias Nießner

Deep learning methods have surpassed the performance of traditional techniques on a wide range of problems in computer vision, but nearly all of this work has studied consumer photos, where precisely correct output is often not critical. It…

Computer Vision and Pattern Recognition · Computer Science 2018-07-24 Mingze Xu , Chenyou Fan , John D Paden , Geoffrey C Fox , David J Crandall

We develop a novel learning scheme named Self-Prediction for 3D instance and semantic segmentation of point clouds. Distinct from most existing methods that focus on designing convolutional operators, our method designs a new learning…

Computer Vision and Pattern Recognition · Computer Science 2020-07-28 Jinxian Liu , Minghui Yu , Bingbing Ni , Ye Chen

We present joint learning of instance and semantic segmentation for visible and occluded region masks. Sharing the feature extractor with instance occlusion segmentation, we introduce semantic occlusion segmentation into the instance…

Robotics · Computer Science 2020-01-22 Kentaro Wada , Kei Okada , Masayuki Inaba

Modeling and re-rendering dynamic 3D scenes is a challenging task in 3D vision. Prior approaches build on NeRF and rely on implicit representations. This is slow since it requires many MLP evaluations, constraining real-world applications.…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Ang Cao , Justin Johnson

Reconstructing 3D shapes from a single image plays an important role in computer vision. Many methods have been proposed and achieve impressive performance. However, existing methods mainly focus on extracting semantic information from…

Computer Vision and Pattern Recognition · Computer Science 2025-03-03 Shaoming Li , Qing Cai , Songqi Kong , Runqing Tan , Heng Tong , Shiji Qiu , Yongguo Jiang , Zhi Liu

Existing works on motion deblurring either ignore the effects of depth-dependent blur or work with the assumption of a multi-layered scene wherein each layer is modeled in the form of fronto-parallel plane. In this work, we consider the…

Computer Vision and Pattern Recognition · Computer Science 2022-02-08 Kuldeep Purohit , Subeesh Vasu , M. Purnachandra Rao , A. N. Rajagopalan

In this paper, we develop a new method to automatically convert 2D line drawings from three orthographic views into 3D CAD models. Existing methods for this problem reconstruct 3D models by back-projecting the 2D observations into 3D space…

Computer Vision and Pattern Recognition · Computer Science 2023-08-11 Wentao Hu , Jia Zheng , Zixin Zhang , Xiaojun Yuan , Jian Yin , Zihan Zhou
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