As many algorithms depend on a suitable representation of data, learning unique features is considered a crucial task. Although supervised techniques using deep neural networks have boosted the performance of representation learning, the need for a large set of labeled data limits the application of such methods. As an example, high-quality delineations of regions of interest in the field of pathology is a tedious and time-consuming task due to the large image dimensions. In this work, we explored the performance of a deep neural network and triplet loss in the area of representation learning. We investigated the notion of similarity and dissimilarity in pathology whole-slide images and compared different setups from unsupervised and semi-supervised to supervised learning in our experiments. Additionally, different approaches were tested, applying few-shot learning on two publicly available pathology image datasets. We achieved high accuracy and generalization when the learned representations were applied to two different pathology datasets.
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}, keywords = {digipath, digital pathology, histopathology, medical, representation learning}, url = {https://embs.papercept.net/conferences/scripts/rtf/EMBC20_ContentListWeb_1.html$\#$moat2-15_02}, author = {Sikaroudi, Milad and Safarpoor, Amir and Ghojogh, Benyamin and Shafiei, Sobhan and Crowley, Mark and Tizhoosh, HR} }