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Semi-supervised video object segmentation (VOS) aims to segment arbitrary target objects in video when the ground truth segmentation mask of the initial frame is provided. Due to this limitation of using prior knowledge about the target…

Computer Vision and Pattern Recognition · Computer Science 2020-09-21 Suhwan Cho , Heansung Lee , Sungmin Woo , Sungjun Jang , Sangyoun Lee

We present an unsupervised deep neural network approach to the fusion of RGB-D imagery with inertial measurements for absolute trajectory estimation. Our network, dubbed the Visual-Inertial-Odometry Learner (VIOLearner), learns to perform…

Computer Vision and Pattern Recognition · Computer Science 2018-03-16 E. Jared Shamwell , Sarah Leung , William D. Nothwang

Breakthroughs in visual odometry (VO) have fundamentally reshaped the landscape of robotics, enabling ultra-precise camera state estimation that is crucial for modern autonomous systems. Despite these advances, many learning-based VO…

Computer Vision and Pattern Recognition · Computer Science 2026-01-26 Chi-Yao Huang , Zeel Bhatt , Yezhou Yang

In recent years, open-vocabulary (OV) dense visual prediction (such as OV object detection, semantic, instance and panoptic segmentations) has attracted increasing research attention. However, most of existing approaches are task-specific…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Hengcan Shi , Munawar Hayat , Jianfei Cai

We propose a novel probabilistic method for detection of objects in noisy images. The method uses results from percolation and random graph theories. We present an algorithm that allows to detect objects of unknown shapes in the presence of…

Statistics Theory · Mathematics 2011-02-24 Mikhail A. Langovoy , Olaf Wittich

In this paper, we visualize and quantify the predictive uncertainty of gradient-based post hoc visual explanations for neural networks. Predictive uncertainty refers to the variability in the network predictions under perturbations to the…

Machine Learning · Computer Science 2024-06-04 Mohit Prabhushankar , Ghassan AlRegib

We introduce ZeroVO, a novel visual odometry (VO) algorithm that achieves zero-shot generalization across diverse cameras and environments, overcoming limitations in existing methods that depend on predefined or static camera calibration…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Lei Lai , Zekai Yin , Eshed Ohn-Bar

PointGoal navigation in indoor environment is a fundamental task for personal robots to navigate to a specified point. Recent studies solved this PointGoal navigation task with near-perfect success rate in photo-realistically simulated…

Computer Vision and Pattern Recognition · Computer Science 2023-04-04 Yijun Cao , Xianshi Zhang , Fuya Luo , Chuan Lin , Yongjie Li

Autonomous robotic tasks require actively perceiving the environment to achieve application-specific goals. In this paper, we address the problem of positioning an RGB camera to collect the most informative images to represent an unknown…

Robotics · Computer Science 2023-07-25 Liren Jin , Xieyuanli Chen , Julius Rückin , Marija Popović

Feature-based visual structure and motion reconstruction pipelines, common in visual odometry and large-scale reconstruction from photos, use the location of corresponding features in different images to determine the 3D structure of the…

Robotics · Computer Science 2016-07-04 Pablo F. Alcantarilla , Oliver J. Woodford

In this paper, we introduce a novel, data-driven approach for solving high-dimensional Bayesian inverse problems based on partial differential equations (PDEs), called Weak Neural Variational Inference (WNVI). The method complements real…

Machine Learning · Statistics 2024-07-31 Vincent C. Scholz , Yaohua Zang , Phaedon-Stelios Koutsourelakis

This paper delves into the potential of DU-VIO, a dehazing-aided hybrid multi-rate multi-modal Visual-Inertial Odometry (VIO) estimation framework, designed to thrive in the challenging realm of extreme underwater environments. The…

Robotics · Computer Science 2024-11-22 Vidya Sudevan , Fakhreddine Zayer , Taimur Hassan , Sajid Javed , Hamad Karki , Giulia De Masi , Jorge Dias

This work proposes a robust visual odometry method for structured environments that combines point features with line and plane segments, extracted through an RGB-D camera. Noisy depth maps are processed by a probabilistic depth fusion…

Computer Vision and Pattern Recognition · Computer Science 2018-01-19 Pedro F. Proenca , Yang Gao

Visual odometry is the process of estimating the position and orientation of a camera by analyzing the images associated to it. This paper develops a quick and accurate approach to visual odometry of a moving RGB-D camera navigating on a…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Afonso Fontes , Jose Everardo Bessa Maia

We describe a method for visual object detection based on an ensemble of optimized decision trees organized in a cascade of rejectors. The trees use pixel intensity comparisons in their internal nodes and this makes them able to process…

Computer Vision and Pattern Recognition · Computer Science 2014-08-20 Nenad Markuš , Miroslav Frljak , Igor S. Pandžić , Jörgen Ahlberg , Robert Forchheimer

We present an uncertainty quantification methodology for density estimation from Background Oriented Schlieren (BOS) measurements, in order to provide local, instantaneous, a-posteriori uncertainty bounds on each density measurement in the…

We consider the problem of estimating a deterministic sparse vector x from underdetermined measurements Ax+w, where w represents white Gaussian noise and A is a given deterministic dictionary. We analyze the performance of three sparse…

Statistics Theory · Mathematics 2015-05-13 Zvika Ben-Haim , Yonina C. Eldar , Michael Elad

Reliable localization is a fundamental requirement for multi-robot systems operating in GPS-denied environments. Visual-inertial odometry (VIO) provides lightweight and accurate motion estimation but suffers from cumulative drift in the…

Robotics · Computer Science 2026-02-24 Ziwei Kang , Yizhi Zhou

Recent visual odometry (VO) methods incorporating geometric algorithm into deep-learning architecture have shown outstanding performance on the challenging monocular VO task. Despite encouraging results are shown, previous methods ignore…

Computer Vision and Pattern Recognition · Computer Science 2022-12-22 Yijun Cao , Xianshi Zhang , Fuya Luo , Peng Peng , Yongjie Li

Estimation of fundamental frequency (F0) in voiced segments of speech signals, also known as pitch tracking, plays a crucial role in pitch synchronous speech analysis, speech synthesis, and speech manipulation. In this paper, we capitalize…

Audio and Speech Processing · Electrical Eng. & Systems 2022-10-28 Yisi Liu , Peter Wu , Alan W Black , Gopala K. Anumanchipalli
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