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The proliferation of generative models has raised serious concerns about visual content forgery. Existing deepfake detection methods primarily target either image-level classification or pixel-wise localization. While some achieve high…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Yuchu Jiang , Jiaming Chu , Jian Zhao , Xin Zhang , Xu Yang , Lei Jin , Chi Zhang , Xuelong Li

We cast shape matching as metric learning with convolutional networks. We break the end-to-end process of image representation into two parts. Firstly, well established efficient methods are chosen to turn the images into edge maps.…

Computer Vision and Pattern Recognition · Computer Science 2018-07-27 Filip Radenović , Giorgos Tolias , Ondřej Chum

Image registration has traditionally been done using two distinct approaches: learning based methods, relying on robust deep neural networks, and optimization-based methods, applying complex mathematical transformations to warp images…

Computer Vision and Pattern Recognition · Computer Science 2024-01-22 Gabriel De Araujo , Shanlin Sun , Xiaohui Xie

Biometrics emerged as a robust solution for security systems. However, given the dissemination of biometric applications, criminals are developing techniques to circumvent them by simulating physical or behavioral traits of legal users…

Computer Vision and Pattern Recognition · Computer Science 2018-10-12 Gustavo Botelho de Souza , João Paulo Papa , Aparecido Nilceu Marana

Patch-level image representation is very important for object classification and detection, since it is robust to spatial transformation, scale variation, and cluttered background. Many existing methods usually require fine-grained…

Computer Vision and Pattern Recognition · Computer Science 2017-05-09 Peng Tang , Xinggang Wang , Zilong Huang , Xiang Bai , Wenyu Liu

In this paper, we propose a novel image forgery detection paradigm for boosting the model learning capacity on both forgery-sensitive and genuine compact visual patterns. Compared to the existing methods that only focus on the…

Computer Vision and Pattern Recognition · Computer Science 2023-05-04 Zenan Shi , Haipeng Chen , Long Chen , Dong Zhang

Visual Place Recognition is a task that aims to predict the coordinates of an image (called query) based solely on visual clues. Most commonly, a retrieval approach is adopted, where the query is matched to the most similar images from a…

Computer Vision and Pattern Recognition · Computer Science 2023-04-13 Giovanni Barbarani , Mohamad Mostafa , Hajali Bayramov , Gabriele Trivigno , Gabriele Berton , Carlo Masone , Barbara Caputo

Recently, deep learning-based denoising approaches have led to dramatic improvements in low sample-count Monte Carlo rendering. These approaches are aimed at path tracing, which is not ideal for simulating challenging light transport…

Graphics · Computer Science 2020-04-28 Shilin Zhu , Zexiang Xu , Henrik Wann Jensen , Hao Su , Ravi Ramamoorthi

In this paper, we investigate the impact of segmentation algorithms as a preprocessing step for classification of remote sensing images in a deep learning framework. Especially, we address the issue of segmenting the image into regions to…

Computer Vision and Pattern Recognition · Computer Science 2016-09-23 Nicolas Audebert , Bertrand Le Saux , Sébastien Lefèvre

Visual localization and mapping is the key technology underlying the majority of mixed reality and robotics systems. Most state-of-the-art approaches rely on local features to establish correspondences between images. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2021-09-22 Mihai Dusmanu , Ondrej Miksik , Johannes L. Schönberger , Marc Pollefeys

In this paper, we investigate whether robust hashing has a possibility to robustly detect fake-images even when multiple manipulation techniques such as JPEG compression are applied to images for the first time. In an experiment, the…

Multimedia · Computer Science 2021-02-08 Miki Tanaka , Hitoshi Kiya

We present a 3D object detection method that uses regressed descriptors of locally-sampled RGB-D patches for 6D vote casting. For regression, we employ a convolutional auto-encoder that has been trained on a large collection of random local…

Computer Vision and Pattern Recognition · Computer Science 2016-07-21 Wadim Kehl , Fausto Milletari , Federico Tombari , Slobodan Ilic , Nassir Navab

Accurate and fast recognition of forgeries is an issue of great importance in the fields of artificial intelligence, image processing and object detection. Recognition of forgeries of facial imagery is the process of classifying and…

Computer Vision and Pattern Recognition · Computer Science 2024-11-19 Günel Jabbarlı , Murat Kurt

We propose a method for detecting face swapping and other identity manipulations in single images. Face swapping methods, such as DeepFake, manipulate the face region, aiming to adjust the face to the appearance of its context, while…

Computer Vision and Pattern Recognition · Computer Science 2020-08-28 Yuval Nirkin , Lior Wolf , Yosi Keller , Tal Hassner

Face Recognition has been studied for many decades. As opposed to traditional hand-crafted features such as LBP and HOG, much more sophisticated features can be learned automatically by deep learning methods in a data-driven way. In this…

Computer Vision and Pattern Recognition · Computer Science 2015-07-24 Jingtuo Liu , Yafeng Deng , Tao Bai , Zhengping Wei , Chang Huang

Fine-grained recognition involves the classification of images from subordinate macro-categories, and it is challenging due to small inter-class differences. To overcome this, most methods perform discriminative feature selection enabled by…

Computer Vision and Pattern Recognition · Computer Science 2024-07-19 Edwin Arkel Rios , Min-Chun Hu , Bo-Cheng Lai

Currently, the rapid development of computer vision and deep learning has enabled the creation or manipulation of high-fidelity facial images and videos via deep generative approaches. This technology, also known as deepfake, has achieved…

Computer Vision and Pattern Recognition · Computer Science 2024-11-15 Lixia Ma , Puning Yang , Yuting Xu , Ziming Yang , Peipei Li , Huaibo Huang

Face forgery by deepfake is widely spread over the internet and this raises severe societal concerns. In this paper, we propose a novel video transformer with incremental learning for detecting deepfake videos. To better align the input…

Computer Vision and Pattern Recognition · Computer Science 2021-08-12 Sohail A. Khan , Hang Dai

Methods that combine local and global features have recently shown excellent performance on multiple challenging deep image retrieval benchmarks, but their use of local features raises at least two issues. First, these local features simply…

Computer Vision and Pattern Recognition · Computer Science 2022-02-01 Philippe Weinzaepfel , Thomas Lucas , Diane Larlus , Yannis Kalantidis

Feature representations, both hand-designed and learned ones, are often hard to analyze and interpret, even when they are extracted from visual data. We propose a new approach to study image representations by inverting them with an…

Neural and Evolutionary Computing · Computer Science 2016-04-28 Alexey Dosovitskiy , Thomas Brox
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