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Resampling is an important signature of manipulated images. In this paper, we propose two methods to detect and localize image manipulations based on a combination of resampling features and deep learning. In the first method, the Radon…

Surface inspection systems are an important application domain for computer vision, as they are used for defect detection and classification in the manufacturing industry. Existing systems use hand-crafted features which require extensive…

图像与视频处理 · 电气工程与系统科学 2019-04-10 Selim Arikan , Kiran Varanasi , Didier Stricker

The prevalent convolutional neural network (CNN) based image denoising methods extract features of images to restore the clean ground truth, achieving high denoising accuracy. However, these methods may ignore the underlying distribution of…

计算机视觉与模式识别 · 计算机科学 2021-05-12 Yang Liu , Saeed Anwar , Zhenyue Qin , Pan Ji , Sabrina Caldwell , Tom Gedeon

In the current era, biometric based access control is becoming more popular due to its simplicity and ease to use by the users. It reduces the manual work of identity recognition and facilitates the automatic processing. The face is one of…

计算机视觉与模式识别 · 计算机科学 2019-03-28 Chaitanya Nagpal , Shiv Ram Dubey

Recent methods for boundary or edge detection built on Deep Convolutional Neural Networks (CNNs) typically suffer from the issue of predicted edges being thick and need post-processing to obtain crisp boundaries. Highly imbalanced…

计算机视觉与模式识别 · 计算机科学 2018-07-27 Ruoxi Deng , Chunhua Shen , Shengjun Liu , Huibing Wang , Xinru Liu

Automatic detection of shadow regions in an image is a difficult task due to the lack of prior information about the illumination source and the dynamic of the scene objects. To address this problem, in this paper, a deep-learning based…

计算机视觉与模式识别 · 计算机科学 2018-10-16 Sorour Mohajerani , Parvaneh Saeedi

Robust face detection is one of the most important pre-processing steps to support facial expression analysis, facial landmarking, face recognition, pose estimation, building of 3D facial models, etc. Although this topic has been intensely…

计算机视觉与模式识别 · 计算机科学 2017-01-03 Yutong Zheng , Chenchen Zhu , Khoa Luu , Chandrasekhar Bhagavatula , T. Hoang Ngan Le , Marios Savvides

Recent advances in media generation techniques have made it easier for attackers to create forged images and videos. State-of-the-art methods enable the real-time creation of a forged version of a single video obtained from a social…

计算机视觉与模式识别 · 计算机科学 2018-10-29 Huy H. Nguyen , Junichi Yamagishi , Isao Echizen

Various convolutional neural networks (CNNs) were developed recently that achieved accuracy comparable with that of human beings in computer vision tasks such as image recognition, object detection and tracking, etc. Most of these networks,…

计算机视觉与模式识别 · 计算机科学 2019-03-20 Tianchen Wang , Jinjun Xiong , Xiaowei Xu , Yiyu Shi

CNN-based generative modelling has evolved to produce synthetic images indistinguishable from real images in the RGB pixel space. Recent works have observed that CNN-generated images share a systematic shortcoming in replicating high…

计算机视觉与模式识别 · 计算机科学 2021-04-01 Keshigeyan Chandrasegaran , Ngoc-Trung Tran , Ngai-Man Cheung

Deep convolutional neural network (CNN) based salient object detection methods have achieved state-of-the-art performance and outperform those unsupervised methods with a wide margin. In this paper, we propose to integrate deep and…

计算机视觉与模式识别 · 计算机科学 2017-06-05 Jing Zhang , Bo Li , Yuchao Dai , Fatih Porikli , Mingyi He

Learning-based methods especially with convolutional neural networks (CNN) are continuously showing superior performance in computer vision applications, ranging from image classification to restoration. For image classification, most…

计算机视觉与模式识别 · 计算机科学 2021-01-26 Xiaoyu Lin

Edge detection in images is the foundation of many complex tasks in computer graphics. Due to the feature loss caused by multi-layer convolution and pooling architectures, learning-based edge detection models often produce thick edges and…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Qinghui Hong , Haoyou Jiang , Pingdan Xiao , Sichun Du , Tao Li

Seam carving is a computational method capable of resizing images for both reduction and expansion based on its content, instead of the image geometry. Although the technique is mostly employed to deal with redundant information, i.e.,…

计算机视觉与模式识别 · 计算机科学 2022-03-08 Thierry P. Moreira , Marcos Cleison S. Santana , Leandro A. Passos João Paulo Papa , Kelton Augusto P. da Costa

Purpose: The aim of this work is to demonstrate that convolutional neural networks (CNN) can be applied to extremely sparse image libraries by subdivision of the original image datasets. Methods: Image datasets from a conventional digital…

计算机视觉与模式识别 · 计算机科学 2020-10-27 Johan P. Boetker

With the headway of the advanced image handling software and altering tools, a computerized picture can be effectively controlled. The identification of image manipulation is vital in light of the fact that an image can be utilized as…

多媒体 · 计算机科学 2017-03-31 Abhishek Kashyap , Rajesh Singh Parmar , Megha Agrawal , Hariom Gupta

Deepfake detection aims to contrast the spread of deep-generated media that undermines trust in online content. While existing methods focus on large and complex models, the need for real-time detection demands greater efficiency. With this…

计算机视觉与模式识别 · 计算机科学 2024-07-02 Lanzino Romeo , Fontana Federico , Diko Anxhelo , Marini Marco Raoul , Cinque Luigi

When an attacker wants to falsify an image, in most of cases she/he will perform a JPEG recompression. Different techniques have been developed based on diverse theoretical assumptions but very effective solutions have not been developed…

多媒体 · 计算机科学 2017-06-07 Irene Amerini , Tiberio Uricchio , Lamberto Ballan , Roberto Caldelli

The rapid development of deep learning techniques has created new challenges in identifying the origin of digital images because generative adversarial networks and variational autoencoders can create plausible digital images whose contents…

计算机视觉与模式识别 · 计算机科学 2019-11-05 Rong Huang , Fuming Fang , Huy H. Nguyen , Junichi Yamagishi , Isao Echizen

Visual noise is often regarded as a disturbance in image quality, whereas it can also provide a crucial clue for image-based forensic tasks. Conventionally, noise is assumed to comprise an additive Gaussian model to be estimated and then…

计算机视觉与模式识别 · 计算机科学 2020-11-03 Mian Zou , Heng Yao , Chuan Qin , Xinpeng Zhang