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Copy-move forgery detection is a crucial research area within digital image forensics, as it focuses on identifying instances where objects in an image are duplicated and placed in different locations. The detection of such forgeries is…

Computer Vision and Pattern Recognition · Computer Science 2023-05-18 Shizhen Chang

We propose a new algorithm for the reliable detection and localization of video copy-move forgeries. Discovering well crafted video copy-moves may be very difficult, especially when some uniform background is copied to occlude foreground…

Computer Vision and Pattern Recognition · Computer Science 2017-03-16 Luca D'Amiano , Davide Cozzolino , Giovanni Poggi , Luisa Verdoliva

We propose a method to identify the source and target regions of a copy-move forgery so allow a correct localisation of the tampered area. First, we cast the problem into a hypothesis testing framework whose goal is to decide which region…

Computer Vision and Pattern Recognition · Computer Science 2021-01-22 Mauro Barni , Quoc-Tin Phan , Benedetta Tondi

Dense local descriptors and machine learning have been used with success in several applications, like classification of textures, steganalysis, and forgery detection. We develop a new image forgery detector building upon some descriptors…

Computer Vision and Pattern Recognition · Computer Science 2013-11-28 Davide Cozzolino , Diego Gragnaniello , Luisa Verdoliva

During the recent years, tampering of digital images has become a general habit among people and professionals. As a result, establishment of image authenticity has become a key issue in fields those make use of digital images.…

Multimedia · Computer Science 2014-07-28 Minati Mishra , M. C. Adhikary

Image forensics has become increasingly crucial in our daily lives. Among various types of forgeries, copy-move forgery detection has received considerable attention within the academic community. Keypoint-based algorithms, particularly…

Computer Vision and Pattern Recognition · Computer Science 2024-05-01 Li Jiang , Zhaowei Lu

Image Segmentation is a technique of partitioning the original image into some distinct classes. Many possible solutions may be available for segmenting an image into a certain number of classes, each one having different quality of…

Computer Vision and Pattern Recognition · Computer Science 2013-07-02 Sourav Samantaa , Nilanjan Dey , Poulami Das , Suvojit Acharjee , Sheli Sinha Chaudhuri

In recent years, image manipulation is becoming increasingly more accessible, yielding more natural-looking images, owing to the modern tools in image processing and computer vision techniques. The task of the identification of forged…

Computer Vision and Pattern Recognition · Computer Science 2020-02-04 Akash Kumar , Arnav Bhavasar

Image forgery detection is the task of detecting and localizing forged parts in tampered images. Previous works mostly focus on high resolution images using traces of resampling features, demosaicing features or sharpness of edges. However,…

Computer Vision and Pattern Recognition · Computer Science 2018-02-06 Zhongping Zhang , Yixuan Zhang , Zheng Zhou , Jiebo Luo

Copy-move forgery detection identifies a tampered image by detecting pasted and source regions in the same image. In this paper, we propose a novel two-stage framework specially for copy-move forgery detection. The first stage is a backbone…

Computer Vision and Pattern Recognition · Computer Science 2020-12-17 Yaqi Liu , Chao Xia , Xiaobin Zhu , Shengwei Xu

Conventional forgery localizing methods usually rely on different forgery footprints such as JPEG artifacts, edge inconsistency, camera noise, etc., with cross-entropy loss to locate manipulated regions. However, these methods have the…

Computer Vision and Pattern Recognition · Computer Science 2022-10-06 Fahim Faisal Niloy , Kishor Kumar Bhaumik , Simon S. Woo

With increasing revelations of academic fraud, detecting forged experimental images in the biomedical field has become a public concern. The challenge lies in the fact that copy-move targets can include background tissue, small foreground…

Image and Video Processing · Electrical Eng. & Systems 2024-12-16 Hao-Chiang Shao , Yuan-Rong Liao , Tse-Yu Tseng , Yen-Liang Chuo , Fong-Yi Lin

The importance and relevance of digital image forensics has attracted researchers to establish different techniques for creating as well as detecting forgeries. The core category in passive image forgery is copy-move image forgery that…

Computer Vision and Pattern Recognition · Computer Science 2022-03-11 Tanzila Qazi , Mushtaq Ali , Khizar Hayat

Small objects have relatively low resolution, the unobvious visual features which are difficult to be extracted, so the existing object detection methods cannot effectively detect small objects, and the detection speed and stability are…

Computer Vision and Pattern Recognition · Computer Science 2021-08-25 Qingcai Wang , Hao Zhang , Xianggong Hong , Qinqin Zhou

Image-based anomaly detection systems are of vital importance in various manufacturing applications. The resolution and acquisition rate of such systems is increasing significantly in recent years under the fast development of image sensing…

Image and Video Processing · Electrical Eng. & Systems 2022-07-19 Shancong Mou , Jianjun Shi

In this paper, we present new image segmentation methods based on hidden Markov random fields (HMRFs) and cuckoo search (CS) variants. HMRFs model the segmentation problem as a minimization of an energy function. CS algorithm is one of the…

Computer Vision and Pattern Recognition · Computer Science 2021-03-16 EL-Hachemi Guerrout , Ramdane Mahiou , Randa Boukabene , Assia Ouali

Segmentation of medical images is an essential part in the process of diagnostics. Physicians require an automatic, robust and valid results. Hidden Markov Random Fields (HMRF) provide powerful model. This latter models the segmentation…

Image and Video Processing · Electrical Eng. & Systems 2020-05-20 EL-Hachemi Guerrout , Ramdane Mahiou , Dominique Michelucci , Boukabene Randa , Ouali Assia

With the rapid advancement of image generation techniques, robust forgery detection has become increasingly imperative to ensure the trustworthiness of digital media. Recent research indicates that the learned semantic concepts of…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Ziye Wang , Minghang Yu , Chunyan Xu , Zhen Cui

The absence of real targets to guide the model training is one of the main problems with the makeup transfer task. Most existing methods tackle this problem by synthesizing pseudo ground truths (PGTs). However, the generated PGTs are often…

Computer Vision and Pattern Recognition · Computer Science 2024-05-28 Zhaoyang Sun , Shengwu Xiong , Yaxiong Chen , Yi Rong

In recent years, document processing has flourished and brought numerous benefits. However, there has been a significant rise in reported cases of forged document images. Specifically, recent advancements in deep neural network (DNN)…

Computer Vision and Pattern Recognition · Computer Science 2023-11-08 Yamato Okamoto , Osada Genki , Iu Yahiro , Rintaro Hasegawa , Peifei Zhu , Hirokatsu Kataoka