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논문 기본 정보

자료유형
학술저널
저자정보
Kartika Gunadi (Petra Christian University) Rudy Adipranata (Petra Christian University) Ivan Suryajaya (Petra Christian University)
저널정보
한국정보통신학회JICCE Journal of information and communication convergence engineering Journal of information and communication convergence engineering Vol.17 No.1
발행연도
2019.3
수록면
67 - 73 (7page)

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초록· 키워드

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In the current era of digital technology, and with the help of existing software, digital photo manipulation is becoming easier and faster. One example of this is the development of powerful image processing software that makes it easy for a digital image to be manipulated and edited. It is therefore very important to protect and maintain public trust in digital images. Several methods have been developed to detect image manipulation. In this paper, we compare two methods for detecting image duplication due to copy-move actions, namely the polar coordinate system and the histogram of oriented gradients methods. The former is a method based on the transfer of a Cartesian image to a polar form, making it easy to tell whether there are objects that have undergone a copy/move in an image, while the latter is a method for retrieving information related to the distribution, which uses a target in the local area as a tool to represent the shape of the target. We compare the accuracy, speed and memory usage of these two methods.

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Abstract
I. INTRODUCTION
II. CARTESIAN AND POLAR COORDINATES
III. POLAR COORDINATES SYSTEM
IV. HISTOGRAM OF ORIENTED GRADIENTS
V. SYSTEM DESIGN
VI. EXPERIMENTAL RESULTS
VII. CONCLUSION
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