Abstract
The purpose of source camera identification (SCI) is to identify the source device of target images, so as to ensure the source reliability of digital images. However, most state-of-the-art results require sufficient training samples which are hard to obtain in practice. In this work, we propose an approach based on multi-distance measures and coordinate pseudo-label selection (MDM-CPS) approach to solve the problem of few-shot sample databases. Based on semi-supervised learning, this approach iteratively expands and updates the labeled database. Our approach drastically reduces the interference of noisy pseudo-labels in training and ensures highly-confident prediction of the pseudo-label samples. Through comprehensive experiments, our approach has achieved the best performance in few-shot sample scenarios of the common benchmark databases (i.e., Dresden database and VISION database) in the field of source camera identification.
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