Deep Learning has provided many breakthroughs in the field of Computer Vision. Medical image analysis has always been the major beneficiary of the developments in Computer Vision. However, application of deep learning in medical image analysis is often handicapped due to the limited amount of annotated training data. For medical images, annotation of data for disease detection is often tedious and expensive. Moreover, the available training samples for a given task are generally scarce and imbalanced. These conditions are not conducive for medical image analysis with deep learning. This research has been developing techniques to leverage knowledge from other domains, e.g. natural images, for medical image analysis using deep learning. Besides advancing our knowledge in machine learning, this research is relevant to medical imaging industry. It is expected to have a downstream impact on the community through improved automated healthcare facilities.
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