Quantization based multiple medical information watermarking for secure e-health
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DOI: 10.1007/s11042-017-4886-4
Abstract: In this paper, an improved wavelet based medical image watermarking algorithm is proposed. Initially, the proposed technique decomposes the cover medical image into ROI and NROI regions and embedding three different watermarks into the non-region… read more here.
Keywords: image; medical information; based multiple; multiple medical ... See more keywords
Quantization-based hashing with optimal bits for efficient recommendation
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DOI: 10.1007/s11042-020-08705-z
Abstract: Recommendation technique has been widely applied in e-commerce systems, but the efficiency becomes challenging due to the growing scale of users and items. In recent years, several hashing-based recommendation frameworks were proposed to solve the… read more here.
Keywords: recommendation; optimal bits; quantization; based hashing ... See more keywords
Functional Quantization-Based Data Compression in Seismic Acquisition
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DOI: 10.1007/s13369-018-3367-z
Abstract: The trend in seismic acquisition is geared toward high geophone densities. Future node densities are expected to be on the order of 1M nodes, leading to a huge aggregate data rate in the geophone array… read more here.
Keywords: compression; quantization; functional quantization; seismic acquisition ... See more keywords
Quantization-based image authentication scheme using QR error correction
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DOI: 10.1186/s13640-017-0163-8
Abstract: Image authentication, which is provided with capabilities of tamper detection and data recovery, is an efficient way to protect the contents of digital images. Vector quantization (VQ) is a data compression method. A VQ-compressed code… read more here.
Keywords: image authentication; image; scheme; quantization based ... See more keywords