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Related papers: TAMPAR: Visual Tampering Detection for Parcel Logi…

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Millions of packages are delivered successfully by online and local retail stores across the world every day. The proper delivery of packages is needed to ensure high customer satisfaction and repeat purchases. These deliveries suffer…

Computation and Language · Computer Science 2021-12-28 Ankush Chopra , Mahima Arora , Shubham Pandey

This paper presents a deep architecture for dense semantic correspondence, called pyramidal affine regression networks (PARN), that estimates locally-varying affine transformation fields across images. To deal with intra-class appearance…

Computer Vision and Pattern Recognition · Computer Science 2018-08-02 Sangryul Jeon , Seungryong Kim , Dongbo Min , Kwanghoon Sohn

Recently the use of video surveillance systems is widely increasing. Different places are equipped by camera surveillances such as hospitals, schools, airports, museums and military places in order to ensure the safety and security of the…

Computer Vision and Pattern Recognition · Computer Science 2016-08-09 Mabrouka Hagui , Mohamed Ali Mahjoub , Ahmed Boukhris

The traditional mode of recording faults in heavy factory equipment has been via hand marked inspection sheets, wherein a machine engineer manually marks the faulty machine regions on a paper outline of the machine. Over the years, millions…

Computer Vision and Pattern Recognition · Computer Science 2018-12-19 Rohit Rahul , Arindam Chowdhury , Animesh , Samarth Mittal , Lovekesh Vig

Tampering or forgery of digital documents has become widespread, most commonly through altering images without any malicious intent such as enhancing the overall appearance of the image. However, there are occasions when tampering of…

Cryptography and Security · Computer Science 2025-07-02 Gabriel Grobler , Sheunesu Makura , Hein Venter

Within a logistics supply chain, a large variety of transported goods need to be handled, recognized and checked at many different network points. Often, huge manual effort is involved in recognizing or verifying packet identity or…

Computer Vision and Pattern Recognition · Computer Science 2020-08-12 Laura Dörr , Felix Brandt , Martin Pouls , Alexander Naumann

Sequential DeepFake detection is an emerging task that predicts the manipulation sequence in order. Existing methods typically formulate it as an image-to-sequence problem, employing conventional Transformer architectures. However, these…

Computer Vision and Pattern Recognition · Computer Science 2025-07-30 Yunfei Li , Yuezun Li , Baoyuan Wu , Junyu Dong , Guopu Zhu , Siwei Lyu

PRNU based camera recognition method is widely studied in the image forensic literature. In recent years, CNN based camera model recognition methods have been developed. These two methods also provide solutions to tamper localization…

Image and Video Processing · Electrical Eng. & Systems 2020-05-06 Ahmet Gökhan Poyraz , Ahmet Emir Dirik , Ahmet Karaküçük , Nasir Memon

Dispatching and receiving logistics goods, as well as transportation itself, involve a high amount of manual efforts. The transported goods, including their packaging and labeling, need to be double-checked, verified or recognized at many…

Computer Vision and Pattern Recognition · Computer Science 2020-09-30 Laura Dörr , Felix Brandt , Martin Pouls , Alexander Naumann

Modern logistics systems face increasing difficulty in identifying counterfeit products, fraudulent returns, and hazardous items concealed within packages, yet current package screening methods remain too slow, expensive, and impractical…

Signal Processing · Electrical Eng. & Systems 2025-12-09 David Wang , Jiale Zhang , Pei Zhang

Visual Place Recognition (VPR) is a core component in computer vision, typically formulated as an image retrieval task for localization, mapping, and navigation. In this work, we instead study VPR as an image pair retrieval front-end for…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Dennis Haitz , Athradi Shritish Shetty , Michael Weinmann , Markus Ulrich

We present novel retrospective change point detection approach based on optimal transport and geometric discrepancy. The method does not require any parametric assumptions about distributions separated by change points. It can be used both…

Methodology · Statistics 2017-07-28 Nikita Pronko

As networks continue to expand and become more interconnected, the need for novel malware detection methods becomes more pronounced. Traditional security measures are increasingly inadequate against the sophistication of modern cyber…

Cryptography and Security · Computer Science 2025-10-21 Kyle Stein , Arash Mahyari , Guillermo Francia , Eman El-Sheikh

Dark patterns, which are user interface designs in online services, induce users to take unintended actions. Recently, dark patterns have been raised as an issue of privacy and fairness. Thus, a wide range of research on detecting dark…

Machine Learning · Computer Science 2025-04-01 Yuki Yada , Jiaying Feng , Tsuneo Matsumoto , Nao Fukushima , Fuyuko Kido , Hayato Yamana

Holistic object representation-based trackers suffer from performance drop under large appearance change such as deformation and occlusion. In this work, we propose a dynamic part-based tracker and constantly update the target part…

Computer Vision and Pattern Recognition · Computer Science 2022-04-11 Wei han , Hantao Huang , Xiaoxi Yu

The aim of this paper is to present a new method of approximation of planar data set using only arcs or segments. The first problem we are trying to solve is the following: the CNC machines can work only with simple curves (arcs or…

Numerical Analysis · Mathematics 2013-11-25 Maurizio Scarparo

Remanufacturing describes a process where worn products are restored to like-new condition and it offers vast ecological and economic potentials. A key step is the quality inspection of disassembled components, which is mostly done manually…

Computer Vision and Pattern Recognition · Computer Science 2025-11-20 Johannes C. Bauer , Paul Geng , Stephan Trattnig , Petr Dokládal , Rüdiger Daub

Learning accurate and parsimonious point cloud representations of scene surfaces from scratch remains a challenge in 3D representation learning. Existing point-based methods often suffer from the vanishing gradient problem or require a…

Computer Vision and Pattern Recognition · Computer Science 2023-12-08 Yanshu Zhang , Shichong Peng , Alireza Moazeni , Ke Li

Detecting tampered text in document images is a challenging task due to data scarcity. To address this, previous work has attempted to generate tampered documents using rule-based methods. However, the resulting documents often suffer from…

Computer Vision and Pattern Recognition · Computer Science 2026-02-20 Mohamed Dhouib , Davide Buscaldi , Sonia Vanier , Aymen Shabou

Prior work has analyzed the robustness of visual encoders to image transformations and corruptions, particularly in cases where such alterations are not seen during training. When this occurs, they introduce a form of distribution shift at…

Computer Vision and Pattern Recognition · Computer Science 2026-04-02 Ryan Ramos , Vladan Stojnić , Giorgos Kordopatis-Zilos , Yuta Nakashima , Giorgos Tolias , Noa Garcia