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Related papers: Detecting Vanishing Points using Global Image Cont…

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We propose an adversarial contextual model for detecting moving objects in images. A deep neural network is trained to predict the optical flow in a region using information from everywhere else but that region (context), while another…

Computer Vision and Pattern Recognition · Computer Science 2019-04-16 Yanchao Yang , Antonio Loquercio , Davide Scaramuzza , Stefano Soatto

In man-made environments, such as indoor and urban scenes, most of the objects and structures are organized in the form of orthogonal and parallel planes. These planes can be approximated by the Atlanta world assumption, in which the…

Computer Vision and Pattern Recognition · Computer Science 2020-10-13 Yinlong Liu , Alois Knoll , Guang Chen

Eye movements are crucial in understanding complex scenes. By predicting where humans look in natural scenes, we can understand how they percieve scenes and priotriaze information for further high-level processing. Here, we study the effect…

Computer Vision and Pattern Recognition · Computer Science 2015-05-15 Ali Borji , Mengyang Feng , Huchuan Lu

A Manhattan world lying along cuboid buildings is useful for camera angle estimation. However, accurate and robust angle estimation from fisheye images in the Manhattan world has remained an open challenge because general scene images tend…

Computer Vision and Pattern Recognition · Computer Science 2024-09-23 Nobuhiko Wakai , Satoshi Sato , Yasunori Ishii , Takayoshi Yamashita

Visual odometry algorithms tend to degrade when facing low-textured scenes -from e.g. human-made environments-, where it is often difficult to find a sufficient number of point features. Alternative geometrical visual cues, such as lines,…

Computer Vision and Pattern Recognition · Computer Science 2021-11-08 Joan P. Company-Corcoles , Emilio Garcia-Fidalgo , Alberto Ortiz

In the current worldwide situation, pedestrian detection has reemerged as a pivotal tool for intelligent video-based systems aiming to solve tasks such as pedestrian tracking, social distancing monitoring or pedestrian mass counting.…

Computer Vision and Pattern Recognition · Computer Science 2022-04-08 Alejandro López-Cifuentes , Marcos Escudero-Viñolo , Jesús Bescós , Pablo Carballeira

We present a novel problem setting in zero-shot learning, zero-shot object recognition and detection in the context. Contrary to the traditional zero-shot learning methods, which simply infers unseen categories by transferring knowledge…

Computer Vision and Pattern Recognition · Computer Science 2019-04-25 Ruotian Luo , Ning Zhang , Bohyung Han , Linjie Yang

By predicting where humans look in natural scenes, we can understand how they perceive complex natural scenes and prioritize information for further high-level visual processing. Several models have been proposed for this purpose, yet there…

Computer Vision and Pattern Recognition · Computer Science 2015-12-08 Mengyang Feng , Ali Borji , Huchuan Lu

The goal of the proposed method is to directly obtain a pose matrix of a known rectangular target, without estimation, using geometric techniques. This method is specifically tailored for real-time, extreme imaging setups exceeding…

Computer Vision and Pattern Recognition · Computer Science 2023-05-16 Jakub Maksymilian Fober

In this paper, we propose a general framework for image classification using the attention mechanism and global context, which could incorporate with various network architectures to improve their performance. To investigate the capability…

Computer Vision and Pattern Recognition · Computer Science 2022-06-08 Keke Tang , Guodong Wei , Runnan Chen , Jie Zhu , Zhaoquan Gu , Wenping Wang

Singh et al. (2020) point out the dangers of contextual bias in visual recognition datasets. They propose two methods, CAM-based and feature-split, that better recognize an object or attribute in the absence of its typical context while…

Computer Vision and Pattern Recognition · Computer Science 2021-06-02 Sunnie S. Y. Kim , Sharon Zhang , Nicole Meister , Olga Russakovsky

Classical approaches to Vanishing Point Detection (VPD) rely solely on the presence of explicit straight lines in images, while recent supervised deep learning approaches need labeled datasets for training. We propose an alternative…

Computer Vision and Pattern Recognition · Computer Science 2025-01-03 Skanda Bharadwaj , Robert Collins , Yanxi Liu

Wearable cameras stand out as one of the most promising devices for the upcoming years, and as a consequence, the demand of computer algorithms to automatically understand the videos recorded with them is increasing quickly. An automatic…

Computer Vision and Pattern Recognition · Computer Science 2017-03-29 Alejandro Betancourt , Natalia Díaz-Rodríguez , Emilia Barakova , Lucio Marcenaro , Matthias Rauterberg , Carlo Regazzoni

Severe background clutter is challenging in many computer vision tasks, including large-scale image retrieval. Global descriptors, that are popular due to their memory and search efficiency, are especially prone to corruption by such a…

Computer Vision and Pattern Recognition · Computer Science 2018-01-25 Oriane Siméoni , Ahmet Iscen , Giorgos Tolias , Yannis Avrithis , Ondrej Chum

Image stitching algorithms often adopt the global transformation, such as homography, and work well for planar scenes or parallax free camera motions. However, these conditions are easily violated in practice. With casual camera motions,…

Computer Vision and Pattern Recognition · Computer Science 2017-02-28 Tianzhu Xiang , Gui-Song Xia , Liangpei Zhang

We present a simple yet effective end-to-end trainable deep network with geometry-inspired convolutional operators for detecting vanishing points in images. Traditional convolutional neural networks rely on aggregating edge features and do…

Computer Vision and Pattern Recognition · Computer Science 2021-03-26 Yichao Zhou , Haozhi Qi , Jingwei Huang , Yi Ma

Object recognition is an important problem in computer vision, having diverse applications. In this work, we construct an end-to-end scene recognition pipeline consisting of feature extraction, encoding, pooling and classification. Our…

Computer Vision and Pattern Recognition · Computer Science 2017-02-23 Jobin Wilson , Muhammad Arif

Detecting 3D objects from a single RGB image is intrinsically ambiguous, thus requiring appropriate prior knowledge and intermediate representations as constraints to reduce the uncertainties and improve the consistencies between the 2D…

Computer Vision and Pattern Recognition · Computer Science 2019-12-18 Siyuan Huang , Yixin Chen , Tao Yuan , Siyuan Qi , Yixin Zhu , Song-Chun Zhu

Most existing person re-identification methods compute the matching relations between person images across camera views based on the ranking of the pairwise similarities. This matching strategy with the lack of the global viewpoint and the…

Computer Vision and Pattern Recognition · Computer Science 2022-12-08 Min Cao , Cong Ding , Chen Chen , Junchi Yan , Qi Tian

The horizon line is an important contextual attribute for a wide variety of image understanding tasks. As such, many methods have been proposed to estimate its location from a single image. These methods typically require the image to…

Computer Vision and Pattern Recognition · Computer Science 2016-08-17 Scott Workman , Menghua Zhai , Nathan Jacobs