Results 241 to 250 of about 4,316 (288)
Some of the next articles are maybe not open access.
Multi-level tamper detection and recovery with tamper type identification
2013 IEEE International Conference on Image Processing, 2013A fragile watermarking scheme with simple and effective tamper detection and recovery capability is proposed in this paper. In this new scheme, not only one parity-check watermark but also two copies of feature-bit watermark are embedded. For tamper detection, a new multi-level tamper detection strategy including intra-block detection, inter-block ...
exaly +2 more sources
Fragile watermarking tamper detection with images compressed by fuzzy transform
Information Sciences, 2012 An original image is divided in smaller images called blocks, compressed with a fuzzy transform to images of sizes 2 × 2 for which we apply a fragile watermarking process as introduced by Chen and Wang (Expert Systems with Applications 36 (2009) 1300 ...
Ferdinando Di Martino, Salvatore Sessa
exaly +2 more sources
Robust watermarking scheme and tamper detection based on threshold versus intensity
Journal of Innovation in Digital Ecosystems, 2015 A watermarking field is necessary to prove the copyright, ownership, authenticity and other related security aspects of the electronic data. Semi-Blind watermarking refers to need the watermark image during the extraction process.
Lamri Laouamer +2 more
exaly +2 more sources
Motion Detector For Detecting Tampering And Method For Detecting Tampering
The Journal of the Acoustical Society of America, 2011A motion detector for detecting a tampering within a detection zone. A vibration-sensing unit sensitive to vibrations applied to the detector is provided to produce a vibration output signal representative of a detected parameter of the vibrations. A light-sensing unit sensitive to light in a predetermined spectrum is provided to produce a light output
David E. Merritt, Mark C. Buckley
openaire +1 more source
A secure image authentication scheme for tamper detection and recovery
Imaging Science Journal, 2012 [[abstract]]In recent decades, many watermarking schemes for tamper detection and tampered image recovery have been proposed. However, most of these schemes suffered from several kinds of attacks due to the lack of considering security issues.
黃明祥;Hwang, Min-Shiang
exaly +1 more source
Robust Image Alignment for Tampering Detection
IEEE Transactions on Information Forensics and Security, 2012The widespread use of classic and newest technologies available on Internet (e.g., emails, social networks, digital repositories) has induced a growing interest on systems able to protect the visual content against malicious manipulations that could be performed during their transmission.
BATTIATO, SEBASTIANO +3 more
openaire +2 more sources
2023
The thesis proposes and evaluates deep learning methodologies for tampering detection at multi-layered audio samples. The tampering of the audio recordings can be performed by cutting, insertion, or reshuffling. State-of-the-art solutions provide promising results by detecting tampering events in audio samples based on acoustic environment analysis ...
openaire +1 more source
The thesis proposes and evaluates deep learning methodologies for tampering detection at multi-layered audio samples. The tampering of the audio recordings can be performed by cutting, insertion, or reshuffling. State-of-the-art solutions provide promising results by detecting tampering events in audio samples based on acoustic environment analysis ...
openaire +1 more source
Tamper detection for active surveillance systems
2013 10th IEEE International Conference on Advanced Video and Signal Based Surveillance, 2013If surveillance data are corrupted they are of no use to neither manually post-investigation nor automatic video analysis. It is therefore critical to automatically be able to detect tampering events such as defocusing, occlusion and displacement. In this work we for the first time address this important problem for an active camera.
Theodore Tsesmelis +3 more
openaire +1 more source
Proactive Software Tampering Detection
2003With the advent of digital technologies, digital content piracy has become a growing concern. Unauthorized music and movie copying are eating a big bite of the profit of the record industry and the movie studios. Software piracy has also cost software industry billions of dollars each year.
Hongxia Jin, Jeffery Lotspiech
openaire +1 more source
Image watermarking for tamper detection
Proceedings 1998 International Conference on Image Processing. ICIP98 (Cat. No.98CB36269), 2002We propose an oblivious watermarking technique for tamper detection in digital images. By comparing correlation values from different portions of the image, the technique enables us to distinguish malicious changes, such as replacing/adding features from nonmalicious changes resulting from common image processing operations.
openaire +1 more source