Study on anti-forensics of single and double JPEG detection using convolutional neural network컨볼류션 신경망을 이용한 단일 및 이중 JPEG 압축 탐지 안티포렌식 연구

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dc.contributor.advisorLee, Heungkyu-
dc.contributor.authorKim, Do-Hyun-
dc.description학위논문(석사) - 한국과학기술원 : 전산학부, 2021.2,[iv, 33 p. :]-
dc.description.abstractJPEG compression is one of the major image compression methods and is widely used on the Internet. In addition, identifying traces of JPEG compression and double JPEG compression (DJPEG) is crucial in the image forensics field. Therefore, JPEG compression detection and DJPEG compression detection are two of the popular image authentication methods. Many feature-based JPEG detection methods have been proposed for that purpose, and there have been outstanding improvements in DJPEG detection with the development of deep learning. A number of anti-forensics of JPEG detection that counter feature-based detectors have been proposed but only a few techniques that counter DJPEG have been researched. This paper explores whether JPEG reconstruction methods, including restoration and anti-forensics of JPEG detection, can deceive JPEG and DJPEG detectors. We demonstrate that existing anti-forensics of JPEG detection can deceive both JPEG and DJPEG detectors well but perform poorly in non-aligned cases and degrade the image quality. We propose a convolutional neural network (CNN) based anti-forensics method to improve the performance of anti-forensics so that they can proficiently deceive JPEG and DJPEG detectors with higher image quality.-
dc.subjectAnti-forensics▼aJPEG detection▼aDJPEG detection▼aJPEG Restoration▼aCNN-
dc.subject안티포렌식▼aJPEG 탐지▼aDJPEG 탐지▼aJPEG 리스토레이션▼aCNN-
dc.titleStudy on anti-forensics of single and double JPEG detection using convolutional neural network-
dc.title.alternative컨볼류션 신경망을 이용한 단일 및 이중 JPEG 압축 탐지 안티포렌식 연구-
dc.description.department한국과학기술원 :전산학부,-
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