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We present Aura-CAPTCHA, a multi-modal verification system that integrates Generative Adversarial Networks (GANs), Reinforcement Learning (RL), and behavioral analysis to create adaptive challenges resistant to classical deep-learning…

Machine Learning · Computer Science 2026-05-06 Joydeep Chandra , Prabal Manhas , Ramanjot Kaur , Rashi Sahay

Visual inspections of bridges are critical to ensure their safety and identify potential failures early. This inspection process can be rapidly and accurately automated by using unmanned aerial vehicles (UAVs) integrated with deep learning…

Computer Vision and Pattern Recognition · Computer Science 2024-11-08 Trong-Nhan Phan , Hoang-Hai Nguyen , Thi-Thu-Hien Ha , Huy-Tan Thai , Kim-Hung Le

Image co-segmentation is important for its advantage of alleviating the ill-pose nature of image segmentation through exploring the correlation between related images. Many automatic image co-segmentation algorithms have been developed in…

Computer Vision and Pattern Recognition · Computer Science 2019-11-19 Xiabi Liu , Xin Duan

We demonstrate that modern image recognition methods based on artificial neural networks can recover hidden information from images protected by various forms of obfuscation. The obfuscation techniques considered in this paper are mosaicing…

Cryptography and Security · Computer Science 2016-09-08 Richard McPherson , Reza Shokri , Vitaly Shmatikov

Completely Automated Public Turing test to tell Computers and Humans Apart, short for CAPTCHA, is an essential and relatively easy way to defend against malicious attacks implemented by bots. The security and usability trade-off limits the…

Cryptography and Security · Computer Science 2023-11-23 Zisheng Xu , Qiao Yan , F. Richard Yu , Victor C. M. Leung

Significant performance gains in deep learning coupled with the exponential growth of image and video data on the Internet have resulted in the recent emergence of automated image captioning systems. Ensuring scalability of automated image…

Computer Vision and Pattern Recognition · Computer Science 2016-06-07 Karan Sharma , Arun CS Kumar , Suchendra Bhandarkar

Detecting assistance from artificial intelligence is increasingly important as they become ubiquitous across complex tasks such as text generation, medical diagnosis, and autonomous driving. Aid detection is challenging for humans,…

Artificial Intelligence · Computer Science 2025-07-16 Tyler King , Nikolos Gurney , John H. Miller , Volkan Ustun

This study demonstrates a novel approach to facial camouflage that combines targeted cosmetic perturbations and alpha transparency layer manipulation to evade modern facial recognition systems. Unlike previous methods -- such as CV dazzle,…

Computer Vision and Pattern Recognition · Computer Science 2024-12-19 David Noever , Forrest McKee

In today's age of internet and social media, one can find an enormous volume of forged images on-line. These images have been used in the past to convey falsified information and achieve harmful intentions. The spread and the effect of the…

Computer Vision and Pattern Recognition · Computer Science 2017-04-06 Parag S. Chandakkar , Baoxin Li

We present a robotic system capable of navigating autonomously by following a line and taking good quality pictures of people. When a group of people are detected, the robot rotates towards them and then back to line while continuously…

Robotics · Computer Science 2019-04-12 Rhys Newbury , Akansel Cosgun , Mehmet Koseoglu , Tom Drummond

The rapid advancement of General Purpose AI (GPAI) models necessitates robust evaluation frameworks, especially with emerging regulations like the EU AI Act and its associated Code of Practice (CoP). Current AI evaluation practices depend…

Artificial Intelligence · Computer Science 2025-08-11 Matteo Prandi , Vincenzo Suriani , Federico Pierucci , Marcello Galisai , Daniele Nardi , Piercosma Bisconti

This paper presents the 2nd place solution to the Google Landmark Retrieval 2021 Competition on Kaggle. The solution is based on a baseline with training tricks from person re-identification, a continent-aware sampling strategy is presented…

Computer Vision and Pattern Recognition · Computer Science 2021-10-11 Zhang Yuqi , Xu Xianzhe , Chen Weihua , Wang Yaohua , Zhang Fangyi , Wang Fan , Li Hao

A secure human identification protocol aims at authenticating human users to a remote server when even the users' inputs are not hidden from an adversary. Recently, the authors proposed a human identification protocol in the RSA Conference…

Cryptography and Security · Computer Science 2007-05-23 Hassan Jameel , Heejo Lee , Sungyoung Lee

The expanding applications, utilized by more users, enhance hardware performance and further develop cloud systems for big data processing. This leads to numerous unexplored deep learning applications, especially in advanced computer vision…

Computational Engineering, Finance, and Science · Computer Science 2024-05-07 P. Veysi , M. Adeli , N. Peirov Naziri

Ensuring that code accurately reflects the algorithms and methods described in research papers is critical for maintaining credibility and fostering trust in AI research. This paper presents a novel system designed to verify code…

Software Engineering · Computer Science 2025-02-04 Rajat Keshri , Arun George Zachariah , Michael Boone

The paper analyzes the interaction between humans and computers in terms of response time in solving the image-based CAPTCHA. In particular, the analysis focuses on the attitude of the different Internet users in easily solving four…

Human-Computer Interaction · Computer Science 2016-12-07 Darko Brodić , Alessia Amelio

Perceptual image hashing methods are often applied in various objectives, such as image retrieval, finding duplicate or near-duplicate images, and finding similar images from large-scale image content. The main challenge in image hashing…

Computer Vision and Pattern Recognition · Computer Science 2021-08-27 Rubel Biswas , Pablo Blanco-Medina

With the growth of connectivity to smart grids, new applications, and the changing interaction between customer and energy clouds, clouds are more vulnerable to denial-of-service attacks. Efficient detection methods are required to…

Cryptography and Security · Computer Science 2020-04-10 Monther Aldwairi , Suaad Mohammed , Megana Lakshmi Padmanabhan

As a result of continuing advances in computer capabilities, it is becoming increasingly difficult to distinguish between humans and computers in the digital world. We propose using the fundamental human ability to distinguish between…

Cryptography and Security · Computer Science 2019-07-09 Nasser Mohammed Al-Fannah

Recognizing arbitrary multi-character text in unconstrained natural photographs is a hard problem. In this paper, we address an equally hard sub-problem in this domain viz. recognizing arbitrary multi-digit numbers from Street View imagery.…

Computer Vision and Pattern Recognition · Computer Science 2014-04-15 Ian J. Goodfellow , Yaroslav Bulatov , Julian Ibarz , Sacha Arnoud , Vinay Shet