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Gastroscope is important in gastric cancer diagnosis. However, the specular reflection is common existed in the gastroscope images and it's easily confused with ulcer. In this paper we develop a method for detecting specular reflection in gastroscopic images. First the Intensity-Saturation joint distribution of region of interest (ROI) is obtained in HSI color space. Then based on the analysis of...
This study chooses employees' ability, behavior and performance as the segmentation dimensionalities of employee segmentation criteria from the perspective of organization acquire sustainable high performance under dynamic environment contexts. With segmentation model, employees in an organization are divided into eight types which are: Star-type, Melancholic-type, Relationship-type, Cattle-type,...
This paper designs an active Voice over Internet Protocol (VoIP) security defense model, aiming to cope with various attack problems that the network is confronting. Based on the model, a dynamic self-adaptive diffluence algorithm that can be applied to the VoIP Gateway was proposed. It combines advantages of UBS selection strategy and weighted Bayesian classification algorithm, the algorithm can...
Steganography is a technique for embedding secret messages into carriers. Linguistic steganography is a branch of text steganography. Research on attacking methods against linguistic steganography plays an important role in information security (IS) area. In this paper, a linguistic steganography detecting algorithm using statistical language model (SLM) is presented. An experiment to detect text...
Gastroscopy is widely used for the clinical examination of gastric diseases. The computerized methods capable to detect abnormal regions can help the physicians to identify the suspicious regions in gastroscopic images. The patch-based technique with the boosted stumps is adopted to detect all kinds of abnormalities in this paper. Considering that the responses of patch classifiers on the neighboring...
Linguistic steganography is a technique for hiding information into text carriers. Most of the previous work on linguistic steganography was focused on steganography and there were few researches on steganalysis. Research on attacking methods against linguistic steganography plays an important role in information security (IS) area. In this paper, a linguistic steganography detection algorithm based...
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