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While the existing deep learning-based room layout estimation techniques demonstrate good overall accuracy, they are less effective for distant floor-wall boundary. To tackle this problem, we propose a novel uncertainty-guided approach for…

Computer Vision and Pattern Recognition · Computer Science 2023-04-19 Pooya Fayyazsanavi , Zhiqiang Wan , Will Hutchcroft , Ivaylo Boyadzhiev , Yuguang Li , Jana Kosecka , Sing Bing Kang

Robust and accurate visual localization is a fundamental capability for numerous applications, such as autonomous driving, mobile robotics, or augmented reality. It remains, however, a challenging task, particularly for large-scale…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Paul-Edouard Sarlin , Cesar Cadena , Roland Siegwart , Marcin Dymczyk

In this article, the use of channel state information (CSI) for indoor positioning is studied. In the considered model, a server equipped with several antennas sends pilot signals to users, while each user uses the received pilot signals to…

Information Theory · Computer Science 2024-03-20 Hanzhi Yu , Yuchen Liu , Mingzhe Chen

Single-image room layout reconstruction aims to reconstruct the enclosed 3D structure of a room from a single image. Most previous work relies on the cuboid-shape prior. This paper considers a more general indoor assumption, i.e., the room…

Computer Vision and Pattern Recognition · Computer Science 2021-10-12 Cheng Yang , Jia Zheng , Xili Dai , Rui Tang , Yi Ma , Xiaojun Yuan

We consider the problem of category-level 6D pose estimation from a single RGB image. Our approach represents an object category as a cuboid mesh and learns a generative model of the neural feature activations at each mesh vertex to perform…

Computer Vision and Pattern Recognition · Computer Science 2022-09-14 Wufei Ma , Angtian Wang , Alan Yuille , Adam Kortylewski

This paper addresses the problem of large-scale image retrieval. We propose a two-layer fusion method which takes advantage of global and local cues and ranks database images from coarse to fine (C2F). Departing from the previous methods…

Multimedia · Computer Science 2016-07-05 Gaipeng Kong , Le Dong , Wenpu Dong , Liang Zheng , Qi Tian

The reconstruction of indoor scenes from multi-view RGB images is challenging due to the coexistence of flat and texture-less regions alongside delicate and fine-grained regions. Recent methods leverage neural radiance fields aided by…

Computer Vision and Pattern Recognition · Computer Science 2024-08-14 Sheng Ye , Yubin Hu , Matthieu Lin , Yu-Hui Wen , Wang Zhao , Yong-Jin Liu , Wenping Wang

Classification is one of the core problems in Computer-Aided Diagnosis (CAD), targeting for early cancer detection using 3D medical imaging interpretation. High detection sensitivity with desirably low false positive (FP) rate is critical…

Computer Vision and Pattern Recognition · Computer Science 2014-05-20 Meizhu Liu , Le Lu , Xiaojing Ye , Shipeng Yu

In this paper, we present a new approach to estimate the layout of a room from its single image. While recent approaches for this task use robust features learnt from data, they resort to optimization for detecting the final layout. In…

Computer Vision and Pattern Recognition · Computer Science 2021-10-05 Xi Zhang , Chun-Kai Wang , Kenan Deng , Tomas Yago-Vicente , Himanshu Arora

We propose a real-time method to estimate spatiallyvarying indoor lighting from a single RGB image. Given an image and a 2D location in that image, our CNN estimates a 5th order spherical harmonic representation of the lighting at the given…

Computer Vision and Pattern Recognition · Computer Science 2019-06-11 Mathieu Garon , Kalyan Sunkavalli , Sunil Hadap , Nathan Carr , Jean-François Lalonde

The goal of this paper is to take a single 2D image of a scene and recover the 3D structure in terms of a small set of factors: a layout representing the enclosing surfaces as well as a set of objects represented in terms of shape and pose.…

Computer Vision and Pattern Recognition · Computer Science 2018-04-25 Shubham Tulsiani , Saurabh Gupta , David Fouhey , Alexei A. Efros , Jitendra Malik

Instance segmentation of planar regions in indoor scenes benefits visual SLAM and other applications such as augmented reality (AR) where scene understanding is required. Existing methods built upon two-stage frameworks show satisfactory…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Yaxu Xie , Jason Rambach , Fangwen Shu , Didier Stricker

In this paper we propose a method for estimating depth from a single image using a coarse to fine approach. We argue that modeling the fine depth details is easier after a coarse depth map has been computed. We express a global (coarse)…

Computer Vision and Pattern Recognition · Computer Science 2016-02-10 Mohammad Haris Baig , Lorenzo Torresani

We introduce Scan2Plan, a novel approach for accurate estimation of a floorplan from a 3D scan of the structural elements of indoor environments. The proposed method incorporates a two-stage approach where the initial stage clusters an…

Computer Vision and Pattern Recognition · Computer Science 2020-03-17 Ameya Phalak , Vijay Badrinarayanan , Andrew Rabinovich

This paper focuses on vision-based pose estimation for multiple rigid objects placed in clutter, especially in cases involving occlusions and objects resting on each other. Progress has been achieved recently in object recognition given…

Robotics · Computer Science 2019-04-04 Chaitanya Mitash , Abdeslam Boularias , Kostas Bekris

Unlike standard object classification, where the image to be classified contains one or multiple instances of the same object, indoor scene classification is quite different since the image consists of multiple distinct objects. Further,…

Computer Vision and Pattern Recognition · Computer Science 2016-11-03 Munawar Hayat , Salman H. Khan , Mohammed Bennamoun , Senjian An

In this paper, we propose a novel face alignment method that trains deep convolutional network from coarse to fine. It divides given landmarks into principal subset and elaborate subset. We firstly keep a large weight for principal subset…

Computer Vision and Pattern Recognition · Computer Science 2016-08-02 Zhiwen Shao , Shouhong Ding , Yiru Zhao , Qinchuan Zhang , Lizhuang Ma

This paper presents an algorithm for indoor layout estimation and reconstruction through the fusion of a sequence of captured images and LiDAR data sets. In the proposed system, a movable platform collects both intensity images and 2D LiDAR…

Computer Vision and Pattern Recognition · Computer Science 2020-01-16 Jieyu Li , Robert L Stevenson

We present a novel framework for automated interior design that combines large language models (LLMs) with grid-based integer programming to jointly optimize room layout and furniture placement. Given a textual prompt, the LLM-driven agent…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Chucheng Xiang , Ruchao Bao , Biyin Feng , Wenzheng Wu , Zhongyuan Liu , Yirui Guan , Ligang Liu

Image retrieval targets to find images from a database that are visually similar to the query image. Two-stage methods following retrieve-and-rerank paradigm have achieved excellent performance, but their separate local and global modules…

Computer Vision and Pattern Recognition · Computer Science 2023-08-09 Yunquan Zhu , Xinkai Gao , Bo Ke , Ruizhi Qiao , Xing Sun
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