English
Related papers

Related papers: Semantic Texture for Robust Dense Tracking

200 papers

A rigorous formulation of the dynamics of a signal processing scheme aimed at dense signal scanning without any loss in accuracy is introduced and analyzed. Related methods proposed in the recent past lack a satisfactory analysis of whether…

Machine Learning · Computer Science 2017-08-03 Markus Thom , Franz Gritschneder

Accurate and stable feature matching is critical for computer vision tasks, particularly in applications such as Simultaneous Localization and Mapping (SLAM). While recent learning-based feature matching methods have demonstrated promising…

Robotics · Computer Science 2025-04-08 Yuqing Wang , Yan Wang , Hailiang Tang , Xiaoji Niu

Different layers in CNNs provide not only different levels of abstraction for describing the objects in the input but also encode various implicit information about them. The activation patterns of different features contain valuable…

Computer Vision and Pattern Recognition · Computer Science 2020-10-06 Kourosh Meshgi , Maryam Sadat Mirzaei , Shigeyuki Oba

3D Gaussian Splatting has recently shown promising results as an alternative scene representation in SLAM systems to neural implicit representations. However, current methods either lack dense depth maps to supervise the mapping process or…

Computer Vision and Pattern Recognition · Computer Science 2024-08-08 F. Aykut Sarikamis , A. Aydin Alatan

We present a novel neural RGB-D Simultaneous Localization And Mapping (SLAM) system that learns an implicit map of the scene in real time. For the first time, we explore the use of Scene Coordinate Regression (SCR) as the core implicit map…

Computer Vision and Pattern Recognition · Computer Science 2025-12-17 Ignacio Alzugaray , Marwan Taher , Andrew J. Davison

Convolutional Neural Networks (CNNs) can provide accurate object classification. They can be extended to perform object detection by iterating over dense or selected proposed object regions. However, the runtime of such detectors scales as…

Computer Vision and Pattern Recognition · Computer Science 2014-04-08 Forrest Iandola , Matt Moskewicz , Sergey Karayev , Ross Girshick , Trevor Darrell , Kurt Keutzer

CNNs, initially inspired by human vision, differ in a key way: they sample uniformly, rather than with highest density in a focal point. For very large images, this makes training untenable, as the memory and computation required for…

Computer Vision and Pattern Recognition · Computer Science 2020-08-12 Logan Gilmour , Nilanjan Ray

Convolutional Neural Networks (CNNs) have significantly advanced Image Super-Resolution (SR), yet most CNN-based methods rely solely on pixel-based transformations, often leading to artifacts and blurring, particularly under severe…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Bingwen Hu , Heng Liu , Zhedong Zheng , Ping Liu

State-of-the-art approaches for semantic image segmentation are built on Convolutional Neural Networks (CNNs). The typical segmentation architecture is composed of (a) a downsampling path responsible for extracting coarse semantic features,…

Computer Vision and Pattern Recognition · Computer Science 2017-11-01 Simon Jégou , Michal Drozdzal , David Vazquez , Adriana Romero , Yoshua Bengio

This paper addresses the problem of very large-scale image retrieval, focusing on improving its accuracy and robustness. We target enhanced robustness of search to factors such as variations in illumination, object appearance and scale,…

Computer Vision and Pattern Recognition · Computer Science 2019-06-18 Syed Sameed Husain , Miroslaw Bober

Neural implicit scene representations have recently shown promising results in dense visual SLAM. However, existing implicit SLAM algorithms are constrained to single-agent scenarios, and fall difficulties in large-scale scenes and long…

Computer Vision and Pattern Recognition · Computer Science 2025-08-20 Tianchen Deng , Guole Shen , Xun Chen , Shenghai Yuan , Hongming Shen , Guohao Peng , Zhenyu Wu , Jingchuan Wang , Lihua Xie , Danwei Wang , Hesheng Wang , Weidong Chen

Gradient-descent methods have exhibited fast and reliable performance for image alignment in the facial domain, but have largely been ignored by the broader vision community. They require the image function be smooth and (numerically)…

Computer Vision and Pattern Recognition · Computer Science 2014-07-09 Hilton Bristow , Simon Lucey

We propose to integrate text objects in man-made scenes tightly into the visual SLAM pipeline. The key idea of our novel text-based visual SLAM is to treat each detected text as a planar feature which is rich of textures and semantic…

Computer Vision and Pattern Recognition · Computer Science 2020-05-18 Boying Li , Danping Zou , Daniele Sartori , Ling Pei , Wenxian Yu

The traditional visual-inertial SLAM system often struggles with stability under low-light or motion-blur conditions, leading to potential lost of trajectory tracking. High accuracy and robustness are essential for the long-term and stable…

Robotics · Computer Science 2024-11-05 Hongkun Luo , Yang Liu , Chi Guo , Zengke Li , Weiwei Song

We demonstrate the use of semantic object detections as robust features for Visual Teach and Repeat (VTR). Recent CNN-based object detectors are able to reliably detect objects of tens or hundreds of categories in a video at frame rates. We…

Robotics · Computer Science 2018-01-25 Amirmasoud Ghasemi Toudeshki , Faraz Shamshirdar , Richard Vaughan

We present SplitFusion, a novel dense RGB-D SLAM framework that simultaneously performs tracking and dense reconstruction for both rigid and non-rigid components of the scene. SplitFusion first adopts deep learning based semantic instant…

Computer Vision and Pattern Recognition · Computer Science 2020-07-07 Yang Li , Tianwei Zhang , Yoshihiko Nakamura , Tatsuya Harada

Robust efficient loop closure detection is essential for large-scale real-time SLAM. In this paper, we propose a novel unsupervised deep neural network architecture of a feature embedding for visual loop closure that is both reliable and…

Robotics · Computer Science 2018-05-28 Nate Merrill , Guoquan Huang

Recent work has shown impressive localization performance using only images of ground textures taken with a downward facing monocular camera. This provides a reliable navigation method that is robust to feature sparse environments and…

Robotics · Computer Science 2023-03-13 Kyle M. Hart , Brendan Englot , Ryan P. O'Shea , John D. Kelly , David Martinez

The "CNN-RNN" design pattern is increasingly widely applied in a variety of image annotation tasks including multi-label classification and captioning. Existing models use the weakly semantic CNN hidden layer or its transform as the image…

Computer Vision and Pattern Recognition · Computer Science 2016-11-18 Feng Liu , Tao Xiang , Timothy M. Hospedales , Wankou Yang , Changyin Sun

Visual SLAM in dynamic environments remains challenging, as several existing methods rely on semantic filtering that only handles known object classes, or use fixed robust kernels that cannot adapt to unknown moving objects, leading to…

Robotics · Computer Science 2025-10-21 João Carlos Virgolino Soares , Gabriel Fischer Abati , Claudio Semini