Shuohong Wang

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—Android occupies the absolute dominant position in mobile operating system and has the largest market share. Meanwhile, Android faces the risk of malicious insiders leaking sensitive information. In this paper, we present DefDroid, a repackaging tool for enforcing security policies by modifying Android applications without root privilege. The main(More)
This paper proposes a computer-aided cirrhosis diagnosis system to diagnose cirrhosis based on ultrasound images. We first propose a method to extract a liver capsule on an ultrasound image, then, based on the extracted liver capsule, we fine-tune a deep convolutional neural network (CNN) model to extract features from the image patches cropped around the(More)
Fish tracking is an important step for video based analysis of fish behavior. Due to severe body deformation and mutual occlusion of multiple swimming fish, accurate and robust fish tracking from video image sequence is a highly challenging problem. The current tracking methods based on motion information are not accurate and robust enough to track the(More)
Multi-camera three-dimensional (3D) tracking technology is the most effective gateway to acquire quantitative motion data for studying behaviors of flying swarms. While the state-of-the-art tracking methods usually estimate positions of flying targets, here we present the 3D tracking method which estimates both a target's position and its orientation for(More)