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Fast R-CNN is a well-known approach to object detection which is generally reported to be robust to scale changes. In this paper we examine the influence of scale within the detection pipeline in the case of company logo detection. We demonstrate that Fast R-CNN encounters problems when handling objects which are significantly smaller than the receptive field of the utilized network. In order to overcome...
This paper proposes a new approach to automatically quantify the severity of knee osteoarthritis (OA) from radiographs using deep convolutional neural networks (CNN). Clinically, knee OA severity is assessed using Kellgren & Lawrence (KL) grades, a five point scale. Previous work on automatically predicting KL grades from radiograph images were based on training shallow classifiers using a variety...
Wireless capsule endoscopy video summarization (WCE-VS) is highly demanded for eliminating redundant frames with high similarity. Conventional WCE-VS methods extract various hand-crafted features as image representations. Researches show that such features only reflect the low-level characteristics of single frame and essentially are not effective to capture the semantic similarity between WCE frames...
Automatic classification of Human Epithelial Type-2 (HEp-2) specimen patterns is an important yet challenging problem in medical image analysis. Most prior works have primarily focused on cells images classification problem which is one of the early essential steps in the system pipeline, while less attention has been paid to the classification of whole-specimen ones. In this work, a specimen pattern...
Research on Offline Handwritten Signature Verification explored a large variety of handcrafted feature extractors, ranging from graphology, texture descriptors to interest points. In spite of advancements in the last decades, performance of such systems is still far from optimal when we test the systems against skilled forgeries - signature forgeries that target a particular individual. In previous...
In recent past there has been phenomenal growth in biomedical literature and health care records. Robust text mining techniques are essential in order to properly organize the documents as well as to extract relevant information. Traditional techniques for document classification focus on machine learning algorithms where learning of classifier is decided on the basis of labeled data and the features...
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