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Modeling scene geometry using implicit neural representation has revealed its advantages in accuracy, flexibility, and low memory usage. Previous approaches have demonstrated impressive results using color or depth images but still have…

Robotics · Computer Science 2023-03-01 Dongyu Yan , Xiaoyang Lyu , Jieqi Shi , Yi Lin

This paper studies the problem of Line Segment Detection (LSD) for the characterization of line geometry in images, with the aim of learning a domain-agnostic robust LSD model that works well for any natural images. With the focus of…

Computer Vision and Pattern Recognition · Computer Science 2025-06-12 Zeran Ke , Bin Tan , Xianwei Zheng , Yujun Shen , Tianfu Wu , Nan Xue

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

3D visual grounding aims at grounding a natural language description about a 3D scene, usually represented in the form of 3D point clouds, to the targeted object region. Point clouds are sparse, noisy, and contain limited semantic…

Computer Vision and Pattern Recognition · Computer Science 2021-09-23 Zhengyuan Yang , Songyang Zhang , Liwei Wang , Jiebo Luo

We explore the task of zero-shot semantic segmentation of 3D shapes by using large-scale off-the-shelf 2D image recognition models. Surprisingly, we find that modern zero-shot 2D object detectors are better suited for this task than…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Ahmed Abdelreheem , Ivan Skorokhodov , Maks Ovsjanikov , Peter Wonka

Unsupervised domain adaptation aims to transfer and adapt knowledge learned from a labeled source domain to an unlabeled target domain. Key components of unsupervised domain adaptation include: (a) maximizing performance on the target, and…

Machine Learning · Statistics 2019-12-20 Kowshik Thopalli , Jayaraman J. Thiagarajan , Rushil Anirudh , Pavan Turaga

Large labeled data sets are one of the essential basics of modern deep learning techniques. Therefore, there is an increasing need for tools that allow to label large amounts of data as intuitively as possible. In this paper, we introduce…

Computer Vision and Pattern Recognition · Computer Science 2021-02-23 Dennis Stumpf , Stephan Krauß , Gerd Reis , Oliver Wasenmüller , Didier Stricker

Real-world time series data often present recurrent or repetitive patterns and it is often generated in real time, such as transportation passenger volume, network traffic, system resource consumption, energy usage, and human gait.…

Machine Learning · Computer Science 2021-05-05 Ming-Chang Lee , Jia-Chun Lin , Ernst Gunnar Gran

This paper proposes a deep-learning-based method for recovering a signed distance function (SDF) of a given hypersurface represented by an implicit level set function. Using the flexibility of constructing a neural network, we use an…

Numerical Analysis · Mathematics 2023-05-16 Yesom Park , Chang hoon Song , Jooyoung Hahn , Myungjoo Kang

We propose a method to train deep networks to decompose videos into 3D geometry (camera and depth), moving objects, and their motions, with no supervision. We build on the idea of view synthesis, which uses classical camera geometry to…

Computer Vision and Pattern Recognition · Computer Science 2021-06-02 Dan Xu , Andrea Vedaldi , Joao F. Henriques

Recent deep learning-based video salient object detection (VSOD) has achieved some breakthrough, but these methods rely on expensive annotated videos with pixel-wise annotations, weak annotations, or part of the pixel-wise annotations. In…

Computer Vision and Pattern Recognition · Computer Science 2022-04-06 Binwei Xu , Haoran Liang , Wentian Ni , Weihua Gong , Ronghua Liang , Peng Chen

Addressing Out-Of-Distribution (OOD) Segmentation and Zero-Shot Semantic Segmentation (ZS3) is challenging, necessitating segmenting unseen classes. Existing strategies adapt the class-agnostic Mask2Former (CA-M2F) tailored to specific…

Computer Vision and Pattern Recognition · Computer Science 2024-02-09 Hao Zhang , Fang Li , Lu Qi , Ming-Hsuan Yang , Narendra Ahuja

We present a conceptually simple self-supervised method for saliency detection. Our method generates and uses pseudo-ground truth labels for training. The generated pseudo-GT labels don't require any kind of human annotations (e.g.,…

Computer Vision and Pattern Recognition · Computer Science 2022-03-10 Rajeev Yasarla , Renliang Weng , Wongun Choi , Vishal Patel , Amir Sadeghian

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

Surface reconstruction is a fundamental problem in 3D graphics. In this paper, we propose a learning-based approach for implicit surface reconstruction from raw point clouds without normals. Our method is inspired by Gauss Lemma in…

Computer Vision and Pattern Recognition · Computer Science 2022-02-22 Dong Xiao , Siyou Lin , Zuoqiang Shi , Bin Wang

Deep convolutional neural network (CNN) based salient object detection methods have achieved state-of-the-art performance and outperform those unsupervised methods with a wide margin. In this paper, we propose to integrate deep and…

Computer Vision and Pattern Recognition · Computer Science 2017-06-05 Jing Zhang , Bo Li , Yuchao Dai , Fatih Porikli , Mingyi He

Neural implicit representations, which encode a surface as the level set of a neural network applied to spatial coordinates, have proven to be remarkably effective for optimizing, compressing, and generating 3D geometry. Although these…

Computer Vision and Pattern Recognition · Computer Science 2022-06-27 Nicholas Sharp , Alec Jacobson

Fully supervised salient object detection (SOD) methods have made considerable progress in performance, yet these models rely heavily on expensive pixel-wise labels. Recently, to achieve a trade-off between labeling burden and performance,…

Computer Vision and Pattern Recognition · Computer Science 2023-06-12 Binwei Xu , Haoran Liang , Weihua Gong , Ronghua Liang , Peng Chen

LiDAR odometry estimation and 3D semantic segmentation are crucial for autonomous driving, which has achieved remarkable advances recently. However, these tasks are challenging due to the imbalance of points in different semantic categories…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Guanqun Ding , Nevrez Imamoglu , Ali Caglayan , Masahiro Murakawa , Ryosuke Nakamura

Robust scene representation is essential for autonomous systems to safely operate in challenging low-visibility environments. Radar has a clear advantage over cameras and lidars in these conditions due to its resilience to environmental…

Robotics · Computer Science 2026-03-27 Judith Treffler , Vladimír Kubelka , Henrik Andreasson , Martin Magnusson