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Although machine learning is widely used in practice, little is known about practitioners' understanding of potential security challenges. In this work, we close this substantial gap and contribute a qualitative study focusing on…

Cryptography and Security · Computer Science 2022-06-30 Lukas Bieringer , Kathrin Grosse , Michael Backes , Battista Biggio , Katharina Krombholz

Crime rate is increasing proportionally with the increasing rate of the population. The most prominent approach was to introduce Closed-Circuit Television (CCTV) camera-based surveillance to tackle the issue. Video surveillance cameras have…

Computer Vision and Pattern Recognition · Computer Science 2021-12-14 Tasnim Sakib Apon , Mushfiqul Islam Chowdhury , MD Zubair Reza , Arpita Datta , Syeda Tanjina Hasan , MD. Golam Rabiul Alam

We investigate a new problem of detecting hands and recognizing their physical contact state in unconstrained conditions. This is a challenging inference task given the need to reason beyond the local appearance of hands. The lack of…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Supreeth Narasimhaswamy , Trung Nguyen , Minh Hoai

Multi-scale detection plays an important role in object detection models. However, researchers usually feel blank on how to reasonably configure detection heads combining multi-scale features at different input resolutions. We find that…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Yi Shi , Jiang Wu , Shixuan Zhao , Gangyao Gao , Tao Deng , Hongmei Yan

Estimating 3D orientation and translation of objects is essential for infrastructure-less autonomous navigation and driving. In case of monocular vision, successful methods have been mainly based on two ingredients: (i) a network generating…

Computer Vision and Pattern Recognition · Computer Science 2020-02-25 Zechen Liu , Zizhang Wu , Roland Tóth

With the increasing need to strengthen vehicle safety and detection, the availability of pre-existing methods of catching criminals and identifying vehicles manually through the various traffic surveillance cameras is not only…

Computer Vision and Pattern Recognition · Computer Science 2023-05-01 Vrinda Agarwal , Aaron George Pichappa , Manideep Ramisetty , Bala Murugan MS , Manoj kumar Rajagopal

Visual sound source localization is a fundamental perception task that aims to detect the location of sounding sources in a video given its audio. Despite recent progress, we identify two shortcomings in current methods: 1) most approaches…

Computer Vision and Pattern Recognition · Computer Science 2025-09-01 Xavier Juanola , Giovana Morais , Magdalena Fuentes , Gloria Haro

The problem of finding a next best viewpoint for 3D modeling or scene mapping has been explored in computer vision over the last decade. This paper tackles a similar problem, but with different characteristics. It proposes a method for…

Computer Vision and Pattern Recognition · Computer Science 2017-10-18 Christos Maniatis , Marcelo Saval-Calvo , Radim Tylecek , Robert B. Fisher

Current Zero-Shot Learning (ZSL) approaches are restricted to recognition of a single dominant unseen object category in a test image. We hypothesize that this setting is ill-suited for real-world applications where unseen objects appear…

Computer Vision and Pattern Recognition · Computer Science 2019-04-12 Shafin Rahman , Salman Khan , Fatih Porikli

This paper proposes the problem of point-and-count as a test case to break the what-and-where deadlock. Different from the traditional detection problem, the goal is to discover key salient points as a way to localize and count the number…

Computer Vision and Pattern Recognition · Computer Science 2015-12-09 Jie Shao , Dequan Wang , Xiangyang Xue , Zheng Zhang

In this work we aim to predict the driver's focus of attention. The goal is to estimate what a person would pay attention to while driving, and which part of the scene around the vehicle is more critical for the task. To this end we propose…

Computer Vision and Pattern Recognition · Computer Science 2018-06-07 Andrea Palazzi , Davide Abati , Simone Calderara , Francesco Solera , Rita Cucchiara

Human drivers use their attentional mechanisms to focus on critical objects and make decisions while driving. As human attention can be revealed from gaze data, capturing and analyzing gaze information has emerged in recent years to benefit…

Computer Vision and Pattern Recognition · Computer Science 2022-05-24 Yao Rong , Naemi-Rebecca Kassautzki , Wolfgang Fuhl , Enkelejda Kasneci

We live in a dynamic world where things change all the time. Given two images of the same scene, being able to automatically detect the changes in them has practical applications in a variety of domains. In this paper, we tackle the change…

Computer Vision and Pattern Recognition · Computer Science 2022-09-30 Ragav Sachdeva , Andrew Zisserman

This work investigates how to identify the source of impulsive noise events using a pair of wireless noise sensors. One sensor is placed at a known noise source, and another sensor is placed at the noise receiver. Machine learning models…

Sound · Computer Science 2021-08-27 Fabian Nemazi , Jon Nordby

Head and human detection have been rapidly improved with the development of deep convolutional neural networks. However, these two tasks are often studied separately without considering their inherent correlation, leading to that 1) head…

Computer Vision and Pattern Recognition · Computer Science 2019-09-25 Cheng Chi , Shifeng Zhang , Junliang Xing , Zhen Lei , Stan Z. Li , Xudong Zou

Source seeking is an important topic in robotic research, especially considering sound-based sensors since they allow the agents to locate a target even in critical conditions where it is not possible to establish a direct line of sight. In…

A rumor spreading in a social network or a disease propagating in a community can be modeled as an infection spreading in a network. Finding the infection source is a challenging problem, which is made more difficult in many applications…

Social and Information Networks · Computer Science 2014-04-08 Wuqiong Luo , Wee Peng Tay , Mei Leng

The existing action tubelet detectors often depend on heuristic anchor design and placement, which might be computationally expensive and sub-optimal for precise localization. In this paper, we present a conceptually simple, computationally…

Computer Vision and Pattern Recognition · Computer Science 2020-08-25 Yixuan Li , Zixu Wang , Limin Wang , Gangshan Wu

As the population of world is increasing, and even more concentrated in urban areas, ensuring public safety is becoming a taunting job for security personnel and crowd managers. Mass events like sports, festivals, concerts, political…

Computer Vision and Pattern Recognition · Computer Science 2017-09-08 Sultan Daud Khan , Muhammad Saqib , Michael Blumenstein

This paper contributes in developing source code plagiarism detection that is more aligned with human perspective. Three evaluation mechanisms that directly relate human perspective with evaluated approaches are proposed: think-aloud,…

Software Engineering · Computer Science 2018-09-25 Oscar Karnalim , Lisan Sulistiani