ehsan vahedi - Academia.edu (original) (raw)
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Papers by ehsan vahedi
Digital Signal Processing, 2011
This paper identifies a novel digital watermarking approach for copyright protection and authenti... more This paper identifies a novel digital watermarking approach for copyright protection and authentication of medical images based on the wavelet transformation. We consider the problem of protecting patientsʼ medical records and tracing illegally distributed medical images in a group communication environment. We employ the particle swarm algorithm and genetic algorithm optimization principles to obtain performance improvement in our work. In
Digital Signal Processing, 2011
This paper identifies a novel digital watermarking approach for copyright protection and authenti... more This paper identifies a novel digital watermarking approach for copyright protection and authentication of medical images based on the wavelet transformation. We consider the problem of protecting patientsʼ medical records and tracing illegally distributed medical images in a group communication environment. We employ the particle swarm algorithm and genetic algorithm optimization principles to obtain performance improvement in our work. In