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Manipulation and re-use of images in scientific publications is a concerning problem that currently lacks a scalable solution. Current tools for detecting image duplication are mostly manual or semi-automated, despite the availability of an…

Computer Vision and Pattern Recognition · Computer Science 2020-03-18 M. Cicconet , H. Elliott , D. L. Richmond , D. Wainstock , M. Walsh

Template matching by normalized cross correlation (NCC) is widely used for finding image correspondences. We improve the robustness of this algorithm by preprocessing images with "siamese" convolutional networks trained to maximize the…

Computer Vision and Pattern Recognition · Computer Science 2017-05-25 Davit Buniatyan , Thomas Macrina , Dodam Ih , Jonathan Zung , H. Sebastian Seung

In recent years, image forensics has attracted more and more attention, and many forensic methods have been proposed for identifying image processing operations. Up to now, most existing methods are based on hand crafted features, and just…

Multimedia · Computer Science 2020-09-01 Bolin Chen , Haodong Li , Weiqi Luo

The recent computer graphics developments have upraised the quality of the generated digital content, astonishing the most skeptical viewer. Games and movies have taken advantage of this fact but, at the same time, these advances have…

Computer Vision and Pattern Recognition · Computer Science 2017-11-29 Edmar R. S. de Rezende , Guilherme C. S. Ruppert , Antonio Theophilo , Tiago Carvalho

Advances in photo editing and manipulation tools have made it significantly easier to create fake imagery. Learning to detect such manipulations, however, remains a challenging problem due to the lack of sufficient amounts of manipulated…

Computer Vision and Pattern Recognition · Computer Science 2018-09-07 Minyoung Huh , Andrew Liu , Andrew Owens , Alexei A. Efros

The objective of this work is set-based verification, e.g. to decide if two sets of images of a face are of the same person or not. The traditional approach to this problem is to learn to generate a feature vector per image, aggregate them…

Computer Vision and Pattern Recognition · Computer Science 2018-07-31 Weidi Xie , Li Shen , Andrew Zisserman

Copy detection, which is a task to determine whether an image is a modified copy of any image in a database, is an unsolved problem. Thus, we addressed copy detection by training convolutional neural networks (CNNs) with contrastive…

Computer Vision and Pattern Recognition · Computer Science 2021-12-09 Shuhei Yokoo

Convolutional neural networks (CNN) have proven to be state of the art methods for many image classification tasks and their use is rapidly increasing in remote sensing problems. One of their major strengths is that, when enough data is…

Computer Vision and Pattern Recognition · Computer Science 2020-12-11 Gonzalo Mateo-García , Luis Gómez-Chova , Gustau Camps-Valls

Convolutional Neural Network (CNNs) are typically associated with Computer Vision. CNNs are responsible for major breakthroughs in Image Classification and are the core of most Computer Vision systems today. More recently CNNs have been…

Computation and Language · Computer Science 2017-03-10 Marc Moreno Lopez , Jugal Kalita

Recent experiments in computer vision demonstrate texture bias as the primary reason for supreme results in models employing Convolutional Neural Networks (CNNs), conflicting with early works claiming that these networks identify objects…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Satyam Mohla , Anshul Nasery , Biplab Banerjee

In this work we ask whether it is possible to create a "universal" detector for telling apart real images from these generated by a CNN, regardless of architecture or dataset used. To test this, we collect a dataset consisting of fake…

Computer Vision and Pattern Recognition · Computer Science 2020-04-07 Sheng-Yu Wang , Oliver Wang , Richard Zhang , Andrew Owens , Alexei A. Efros

We present a study of the potential for Convolutional Neural Networks (CNNs) to enable separation of astrophysical transients from image artifacts, a task known as "real-bogus" classification without requiring a template subtracted (or…

Computer Vision and Pattern Recognition · Computer Science 2023-08-28 Tatiana Acero-Cuellar , Federica Bianco , Gregory Dobler , Masao Sako , Helen Qu , The LSST Dark Energy Science Collaboration

This work presents and analyzes three convolutional neural network (CNN) models for efficient pixelwise classification of images. When using convolutional neural networks to classify single pixels in patches of a whole image, a lot of…

Computer Vision and Pattern Recognition · Computer Science 2015-09-14 Fabian Tschopp

Convolutional Neural Networks (CNNs) have been the standard for image classification tasks for a long time, but more recently attention-based mechanisms have gained traction. This project aims to compare traditional CNNs with…

Computer Vision and Pattern Recognition · Computer Science 2024-12-31 Nikhil Kapila , Julian Glattki , Tejas Rathi

The goal of this work is to replace objects in an RGB-D scene with corresponding 3D models from a library. We approach this problem by first detecting and segmenting object instances in the scene using the approach from Gupta et al. [13].…

Computer Vision and Pattern Recognition · Computer Science 2015-02-17 Saurabh Gupta , Pablo Arbeláez , Ross Girshick , Jitendra Malik

Image classification is a challenging problem which aims to identify the category of object in the image. In recent years, deep Convolutional Neural Networks (CNNs) have been applied to handle this task, and impressive improvement has been…

Computer Vision and Pattern Recognition · Computer Science 2022-11-29 Hao Ren , Jianlin Su , Hong Lu

The state-of-the-art approaches for image classification are based on neural networks. Mathematically, the task of classifying images is equivalent to finding the function that maps an image to the label it is associated with. To rigorously…

Machine Learning · Computer Science 2017-11-15 Yichen Huang

Convolutional neural networks (CNNs) have been extensively applied for image recognition problems giving state-of-the-art results on recognition, detection, segmentation and retrieval. In this work we propose and evaluate several deep…

Computer Vision and Pattern Recognition · Computer Science 2015-04-14 Joe Yue-Hei Ng , Matthew Hausknecht , Sudheendra Vijayanarasimhan , Oriol Vinyals , Rajat Monga , George Toderici

Convolutional Neural Networks have become state of the art methods for image classification over the last couple of years. By now they perform better than human subjects on many of the image classification datasets. Most of these datasets…

Computer Vision and Pattern Recognition · Computer Science 2017-08-28 Sebastian Stabinger , Antonio Rodriguez-Sanchez

Feature detectors and descriptors have been successfully used for various computer vision tasks, such as video object tracking and content-based image retrieval. Many methods use image gradients in different stages of the…

Computer Vision and Pattern Recognition · Computer Science 2021-03-18 Umut Özaydın , Theodoros Georgiou , Michael Lew