Results 21 to 30 of about 285 (210)

Copy-Move Forgery Verification in Images Using Local Feature Extractors and Optimized Classifiers

Big Data Mining and Analytics, 2023
Passive image forgery detection methods that identify forgeries without prior knowledge have become a key research focus. In copy-move forgery, the assailant intends to hide a portion of an image by pasting other portions of the same image. The detection
S. B. G. Tilak Babu, Ch Srinivasa Rao
doaj   +1 more source

Seamless Copy–Move Replication in Digital Images

Journal of Imaging, 2022
The importance and relevance of digital-image forensics has attracted researchers to establish different techniques for creating and detecting forgeries.
Tanzeela Qazi, Mushtaq Ali, Khizar Hayat, Baptiste Magnier   +3 more
doaj   +1 more source

Convolutional Neural Network for Copy-Move Forgery Detection [PDF]

Symmetry, 2019
Digital image forgery is a growing problem due to the increase in readily-available technology that makes the process relatively easy. In response, several approaches have been developed for detecting digital forgeries. This paper proposes a novel scheme based on neural networks and deep learning, focusing on the convolutional neural network (CNN ...
Younis E. Abdalla, M. Tariq Iqbal, Mohamed S. Shehata   +2 more
openaire   +2 more sources

Fast copy-move forgery detection algorithm based on group SIFT

Tongxin xuebao, 2020
Aiming at the high computational complexity of the existing copy-move image forgery detection algorithm,a copy-move forgery detection algorithm based on group scale-invariant feature transform (SIFT) was proposed.Firstly,the simple linear iterative ...
Bin XIAO, Ruxia JING, Xiuli BI, Jianfeng MA   +3 more
doaj   +2 more sources

Deteksi Pemalsuan Citra dengan Teknik Copy-Move Menggunakan Metode Ordinal Measure dari Koefisien Discrete Cosine Transform

Jurnal Nasional Teknik Elektro, 2016
This article discusses a new method for the detection of forgery images generated by copy-move technique. Copy-move technique is one of image forgery techniques which taking a particular object from its original image and add it on that image for the ...
Zulfan, Fitri Arnia, Rusdha Muharar
doaj   +3 more sources

An improved copy-move forgery detection based on density-based clustering and guaranteed outlier removal

Journal of King Saud University: Computer and Information Sciences, 2021
Copy-move image forgery detection has become a significant research subject in multimedia forensics and security due to its widespread use and its hard detection.
Aya Hegazi, Ahmed Taha, Mazen M. Selim
doaj   +1 more source

Highly Discriminative Image Copy-Move Forgery Detection [PDF]

Jisuanji gongcheng
Several discriminative problems exist in copy-move forgery detection, including the difficulty of using keypoints to cover smooth regions, lack of color descriptive capability in feature representations, and insufficient accuracy of feature matching ...
WANG Chao, HUANG Zhiqiu, ZHANG Yushu, YI Shuang
doaj   +1 more source

False Matches Removing in Copy-Move Forgery Detection Algorithms

Al-Mustansiriyah Journal of Science, 2020
Today the technology age is characterized by spreading of digital images. The most common form of transfer the information in magazines, newspapers, scientific journals and all types of social media.
muthana salih mahdi, Saad N. Alsaad
doaj   +1 more source

An Attack-Independent Audio Forgery Detection Technique Based on Cochleagram Images of Segments With Dynamic Threshold

IEEE Access
Thanks to advanced audio editing software, speech recordings can be tampered with very quickly. If the speech recordings are used as forensic evidence, adding the audio recordings together, cutting them, and changing their content are legally ...
Beste Ustubioglu
doaj   +1 more source

Localization of Copy-Move Forgery in Speech Signals Through Watermarking Using DCT-QIM [PDF]

International Journal of Electronics and Telecommunications, 2019
Digital speech copyright protection and forgery identification are the prevalent issues in our advancing digital world. In speech forgery, voiced part of the speech signal is copied and pasted to a specific location which alters the meaning of the speech
N.V. Lalitha, Ch. Srinivasa Rao, P.V.Y. JayaSree   +2 more
doaj   +1 more source