Article

QuatHashing: Perceptually Hashing with Quaternion Discrete Wavelet Transform for Reduced-Reference Visual Security Assessment

2026-07-27

Abstract excerpt

<title>Abstract</title> <p>Visual security assessment (VSA) is an important task of perceptual image encryption and plays a key role in evaluating the effectiveness of encryption schemes. This paper proposes a perceptual hashing algorithm with quaternion discrete wavelet transform (QDWT) for reduced-reference (RR) VSA. The directional complementary sub-band representation is exploited to reorganize the image into...

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Literature Corpus work: 397cba76-4cd5-5925-994d-6589c61ea023
DOI: 10.21203/rs.3.rs-10287744/v1

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QuatHashing: Perceptually Hashing with Quaternion Discrete Wavelet Transform for Reduced-Reference Visual Security AssessmentDOI 10.21203/rs.3.rs-10287744/v1Read

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