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Related papers: An In-Depth Study on Open-Set Camera Model Identif…

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Detecting the camera model used to shoot a picture enables to solve a wide series of forensic problems, from copyright infringement to ownership attribution. For this reason, the forensic community has developed a set of camera model…

Computer Vision and Pattern Recognition · Computer Science 2017-10-11 Luca Bondi , Luca Baroffio , David Güera , Paolo Bestagini , Edward J. Delp , Stefano Tubaro

Source camera identification is the process of determining which camera or model has been used to capture an image. In the recent years, there has been a rapid growth of research interest in the domain of forensics. In the current work, we…

Computer Vision and Pattern Recognition · Computer Science 2018-12-11 Artur Kuzin , Artur Fattakhov , Ilya Kibardin , Vladimir Iglovikov , Ruslan Dautov

Neural networks for image classification tasks assume that any given image during inference belongs to one of the training classes. This closed-set assumption is challenged in real-world applications where models may encounter inputs of…

Computer Vision and Pattern Recognition · Computer Science 2022-06-17 Jinsol Lee , Ghassan AlRegib

This paper proposes a method to use deep neural networks as end-to-end open-set classifiers. It is based on intra-class data splitting. In open-set recognition, only samples from a limited number of known classes are available for training.…

Machine Learning · Computer Science 2019-11-21 Patrick Schlachter , Yiwen Liao , Bin Yang

In search, exploration, and reconnaissance tasks performed with autonomous ground vehicles, an image classification capability is needed for specifically identifying targeted objects (relevant classes) and at the same time recognize when a…

Computer Vision and Pattern Recognition · Computer Science 2022-06-07 Spiridon Kasapis , Geng Zhang , Jonathon Smereka , Nickolas Vlahopoulos

Models trained for classification often assume that all testing classes are known while training. As a result, when presented with an unknown class during testing, such closed-set assumption forces the model to classify it as one of the…

Computer Vision and Pattern Recognition · Computer Science 2019-04-03 Poojan Oza , Vishal M Patel

We introduce the novel problem of identifying the photographer behind a photograph. To explore the feasibility of current computer vision techniques to address this problem, we created a new dataset of over 180,000 images taken by 41…

Computer Vision and Pattern Recognition · Computer Science 2016-06-02 Christopher Thomas , Adriana Kovashka

Person re-identification is becoming a hot research for developing both machine learning algorithms and video surveillance applications. The task of person re-identification is to determine which person in a gallery has the same identity to…

Computer Vision and Pattern Recognition · Computer Science 2014-10-16 Shengcai Liao , Zhipeng Mo , Jianqing Zhu , Yang Hu , Stan Z. Li

Open-set image recognition (OSR) aims to both classify known-class samples and identify unknown-class samples in the testing set, which supports robust classifiers in many realistic applications, such as autonomous driving, medical…

Computer Vision and Pattern Recognition · Computer Science 2023-12-27 Jiayin Sun , Qiulei Dong

One of the challenging problems in digital image forensics is the capability to identify images that are captured by the same camera device. This knowledge can help forensic experts in gathering intelligence about suspects by analyzing…

Image and Video Processing · Electrical Eng. & Systems 2020-04-27 Guru Swaroop Bennabhaktula , Enrique Alegre , Dimka Karastoyanova , George Azzopardi

We show that correlations between the camera used to acquire an image and the class label of that image can be exploited by convolutional neural networks (CNN), resulting in a model that "cheats" at an image classification task by…

Computer Vision and Pattern Recognition · Computer Science 2020-07-20 Philip T. Jackson , Stephen Bonner , Ning Jia , Christopher Holder , Jon Stonehouse , Boguslaw Obara

Most of the existing approaches for person re-identification consider a static setting where the number of cameras in the network is fixed. An interesting direction, which has received little attention, is to explore the dynamic nature of a…

Computer Vision and Pattern Recognition · Computer Science 2020-08-07 Sk Miraj Ahmed , Aske R Lejbølle , Rameswar Panda , Amit K. Roy-Chowdhury

Camera model identification has earned paramount importance in the field of image forensics with an upsurge of digitally altered images which are constantly being shared through websites, media, and social applications. But, the task of…

Image and Video Processing · Electrical Eng. & Systems 2019-05-28 Abdul Muntakim Rafi , Uday Kamal , Rakibul Hoque , Abid Abrar , Sowmitra Das , Robert Laganière , Md. Kamrul Hasan

The current generation of deep neural networks has achieved close-to-human results on "closed-set" image recognition; that is, the classes being evaluated overlap with the training classes. Many recent methods attempt to address the…

Image and Video Processing · Electrical Eng. & Systems 2021-10-22 Zongyuan Ge , Xin Wang

Few-shot open-set recognition aims to classify both seen and novel images given only limited training data of seen classes. The challenge of this task is that the model is required not only to learn a discriminative classifier to classify…

Computer Vision and Pattern Recognition · Computer Science 2022-07-20 Nan Song , Chi Zhang , Guosheng Lin

An understanding and classification of driving scenarios are important for testing and development of autonomous driving functionalities. Machine learning models are useful for scenario classification but most of them assume that data…

Computer Vision and Pattern Recognition · Computer Science 2021-05-18 Lakshman Balasubramanian , Friedrich Kruber , Michael Botsch , Ke Deng

Image recognition is a classic and common task in the computer vision field, which has been widely applied in the past decade. Most existing methods in literature aim to learn discriminative features from labeled images for classification,…

Computer Vision and Pattern Recognition · Computer Science 2023-09-26 Jiayin Sun , Hong Wang , Qiulei Dong

This paper concerns open-world classification, where the classifier not only needs to classify test examples into seen classes that have appeared in training but also reject examples from unseen or novel classes that have not appeared in…

Machine Learning · Computer Science 2018-01-18 Lei Shu , Hu Xu , Bing Liu

Open set recognition problems exist in many domains. For example in security, new malware classes emerge regularly; therefore malware classification systems need to identify instances from unknown classes in addition to discriminating…

Machine Learning · Computer Science 2018-02-14 Mehadi Hassen , Philip K. Chan

Capturing photographs with wrong exposures remains a major source of errors in camera-based imaging. Exposure problems are categorized as either: (i) overexposed, where the camera exposure was too long, resulting in bright and washed-out…

Image and Video Processing · Electrical Eng. & Systems 2021-03-31 Mahmoud Afifi , Konstantinos G. Derpanis , Björn Ommer , Michael S. Brown
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