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Contextual information plays a critical role in object recognition models within computer vision, where changes in context can significantly affect accuracy, underscoring models' dependence on contextual cues. This study investigates how…

Computer Vision and Pattern Recognition · Computer Science 2024-11-06 Sayanta Adhikari , Rishav Kumar , Konda Reddy Mopuri , Rajalakshmi Pachamuthu

Salient object detection aims to locate objects that capture human attention within images. Previous approaches often pose this as a problem of image contrast analysis. In this work, we model an image as a hypergraph that utilizes a set of…

Computer Vision and Pattern Recognition · Computer Science 2013-10-23 Xi Li , Yao Li , Chunhua Shen , Anthony Dick , Anton van den Hengel

In static monitoring cameras, useful contextual information can stretch far beyond the few seconds typical video understanding models might see: subjects may exhibit similar behavior over multiple days, and background objects remain static.…

Computer Vision and Pattern Recognition · Computer Science 2020-04-24 Sara Beery , Guanhang Wu , Vivek Rathod , Ronny Votel , Jonathan Huang

Contextual proximity detection (or, co-presence detection) is a promising approach to defend against relay attacks in many mobile authentication systems. We present a systematic assessment of co-presence detection in the presence of a…

Cryptography and Security · Computer Science 2021-04-06 Babins Shrestha , Nitesh Saxena , Hien Thi Thu Truong , N. Asokan

We present a context aware object detection method based on a retrieve-and-transform scene layout model. Given an input image, our approach first retrieves a coarse scene layout from a codebook of typical layout templates. In order to…

Computer Vision and Pattern Recognition · Computer Science 2019-12-10 Tao Wang , Xuming He , Yuanzheng Cai , Guobao Xiao

We present Context Forest (ConF), a technique for predicting properties of the objects in an image based on its global appearance. Compared to standard nearest-neighbour techniques, ConF is more accurate, fast and memory efficient. We train…

Computer Vision and Pattern Recognition · Computer Science 2015-03-04 Davide Modolo , Alexander Vezhnevets , Vittorio Ferrari

Using image context is an effective approach for improving object detection. Previously proposed methods used contextual cues that rely on semantic or spatial information. In this work, we explore a different kind of contextual information:…

Computer Vision and Pattern Recognition · Computer Science 2017-07-17 Noa Arbel , Tamar Avraham , Michael Lindenbaum

Humans effortlessly identify objects by leveraging a rich understanding of the surrounding scene, including spatial relationships, material properties, and the co-occurrence of other objects. In contrast, most computational object…

Computer Vision and Pattern Recognition · Computer Science 2025-12-30 Ciprian Constantinescu , Marius Leordeanu

This paper presents an approach to detect out-of-context (OOC) objects in an image. Given an image with a set of objects, our goal is to determine if an object is inconsistent with the scene context and detect the OOC object with a bounding…

Computer Vision and Pattern Recognition · Computer Science 2022-05-09 Manoj Acharya , Anirban Roy , Kaushik Koneripalli , Susmit Jha , Christopher Kanan , Ajay Divakaran

We present a novel approach to place recognition well-suited to environments with many dynamic objects--objects that may or may not be present in an agent's subsequent visits. By incorporating an object-detecting preprocessing step, our…

Computer Vision and Pattern Recognition · Computer Science 2020-06-15 Juan Pablo Munoz , Scott Dexter

Although accuracy and other common metrics can provide a useful window into the performance of an object detection model, they lack a deeper view of the model's decision process. Regardless of the quality of the training data and process,…

Computer Vision and Pattern Recognition · Computer Science 2024-01-22 Lynn Vonder Haar , Timothy Elvira , Luke Newcomb , Omar Ochoa

Current state-of-the-art trackers only rely on a target appearance model in order to localize the object in each frame. Such approaches are however prone to fail in case of e.g. fast appearance changes or presence of distractor objects,…

Computer Vision and Pattern Recognition · Computer Science 2020-05-04 Goutam Bhat , Martin Danelljan , Luc Van Gool , Radu Timofte

How much scene context a single object carries is a well-studied question in human scene perception, yet how this capacity is organized in vision-language models (VLMs) remains poorly understood, with direct implications for the robustness…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Martina G. Vilas , Timothy Schaumlöffel , Gemma Roig

Object detection is one of the most active areas in computer vision, which has made significant improvement in recent years. Current state-of-the-art object detection methods mostly adhere to the framework of regions with convolutional…

Computer Vision and Pattern Recognition · Computer Science 2016-04-15 Wenqing Chu , Deng Cai

Modeling instance-level context and object-object relationships is extremely challenging. It requires reasoning about bounding boxes of different classes, locations \etc. Above all, instance-level spatial reasoning inherently requires…

Computer Vision and Pattern Recognition · Computer Science 2017-04-14 Xinlei Chen , Abhinav Gupta

Advancements in convolutional neural networks (CNNs) have made significant strides toward achieving high performance levels on multiple object recognition tasks. While some approaches utilize information from the entire scene to propose…

Computer Vision and Pattern Recognition · Computer Science 2018-06-12 Kevin Wu , Eric Wu , Gabriel Kreiman

Mixture models are well-established learning approaches that, in computer vision, have mostly been applied to inverse or ill-defined problems. However, they are general-purpose divide-and-conquer techniques, splitting the input space into…

Computer Vision and Pattern Recognition · Computer Science 2020-04-21 Ali Varamesh , Tinne Tuytelaars

In this paper, we propose an approach that exploits object segmentation in order to improve the accuracy of object detection. We frame the problem as inference in a Markov Random Field, in which each detection hypothesis scores object…

Computer Vision and Pattern Recognition · Computer Science 2015-02-17 Yukun Zhu , Raquel Urtasun , Ruslan Salakhutdinov , Sanja Fidler

The benefits of utilizing spatial context in fast object detection algorithms have been studied extensively. Detectors increase inference speed by doing a single forward pass per image which means they implicitly use contextual reasoning…

Computer Vision and Pattern Recognition · Computer Science 2020-04-21 Aniruddha Saha , Akshayvarun Subramanya , Koninika Patil , Hamed Pirsiavash

The small objects in images and videos are usually not independent individuals. Instead, they more or less present some semantic and spatial layout relationships with each other. Modeling and inferring such intrinsic relationships can…

Computer Vision and Pattern Recognition · Computer Science 2020-09-03 Kui Fu , Jia Li , Lin Ma , Kai Mu , Yonghong Tian