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In this paper, we present a method of recognizing hand gestures in the form of point clouds recorded by Kinect sensor. Firstly, through Laplacian-based contraction and further processing, we extract skeleton points from point clouds of hands. Then, we apply a novel partition-based descriptor and corresponded algorithm to classify these skeletons and, taking one step further, to recognize gestures...
In this paper, we propose an office layout support system for polygonal space using interactive genetic algorithm. The proposed system has two phases; (1) generation of room arrangement plans and (2) generation of layout plans for workspace. In the proposed system, layout plans can be generated not only for a workspace whose shape is square but also for a workspace whose shape is polygonal. In this...
The English alphabet is employed for inputting English and other Western languages into the Computer. It is also used for many other languages such as the Chinese and Japanese for the same purpose. Since the Alphabet is a phonetic system, it can be said that all computer input is made through phonetics. Although the script system of these languages use commonly the Alphabet, the way of reading them...
The optimization problem in transmission system expansion planning (TSEP) is a mixed-integer nonlinear programming problem of combinatorial nature that leads to an extremely large number of alternative solutions for medium and large size electric power systems. Due to its complex characteristics, heuristic optimization has become an effective solver. In this paper, a novel heuristic optimization algorithm,...
The composite molding process design systems are developed on specific manufacturing resources or specific environment whenever at home and abroad, which enjoys a poor versatility. We built the system structure and flow for composite process integration framework after the computer-assisted resin transfer molding software has been developed. Then, studied the template-based data structure and established...
This paper deals with the approximate merging problem of two adjacent DP curves with different degrees by a single curve. We first transform the DP curves into the Bézier curves. Then, we merge Bézier curves. Finally, we transform the Bézier curve back into the DP curve. In the end of this paper, numerical examples are provided to demonstrate the validity and efficiency of our algorithms.
This paper proposes a combination of the Fast Wavelet Transform (FWT) and Adaptive Neuro-fuzzy Inference System (ANFIS) methods. The goal is classification of breast masses as benign or malignant by applying this method consecutively to the extracted features of the Region of Interests (ROIs). This study is developed to decrease the number of the missing cancerous regions or unnecessary biopsies....
During Computer drafting teaching, we present an easy three-dimensional simulation platform, on which 3D modeling and animation are illustrated. A simulation on natural scene is implemented through decomposable and order steps on the platform. Falling snowflakes, as an example, are simulated to show how a natural phenomenon is realized by using simple OpenGL functions, and water and swing are designed...
Computer lip-reading systems are usually designed to work using a full-frontal view of the face. However, many human experts tend to prefer to lip-read using an angled view. In this paper we consider issues related to the best viewing angle for an automated lip-reading system. In particular, we seek answers to the following questions: 1) Do computers lip-read better using a frontal or a non-frontal...
Using gesture for interaction is a notion of natural human computer interaction. The use of gesture requires a correct identification of the intended pose by the system. Already numerous algorithms are working on it but not paying much attention on the complexity. Hence in this paper, a hybrid algorithm is being introduced to reduce the complexity of process also to make it insensitive with respect...
In the wake of 21st century progress, there is a huge demand for trained bioinformaticians to fulfill growing industry needs. As such, increasing numbers of Computer Science graduate students and researchers pursue their education and career in this promising field. There is the problem of a potential communication gap, faced by budding bioinformaticians, due to insufficient biological knowledge....
Currently, most authentication system requires users to answer the CAPTCHA (Completely Automated Public Turing Test to Tell Computer and Human Apart) before gaining the system access. CAPTCHA is a standard security technology for distinguish between human and computer program automatically. The problem of using CAPTCHA is the difficulty of reading the text-based presentation, or interpreting the image-based...
In order to study the feasibility of the computerized grading system of pears with rich spots, large amount of pears are put orderly in a light box, where images of different aspects of them are captured by cameras which are connected to the computer. Additionally, two methods are proposed to remove the spots on the surface of pears in the image to reduce their effect on defect detection. And advantages...
In this paper, we present a fully automatic method to quantify Tree-in-Bud (TIB) patterns for respiratory tract infections. The proposed quantification method is based on our previous effort to detect and track TIB patterns with a computer assisted detection (CAD) system [9]. In addition to accurately identifying TIB on CT, quantifying TIB is important for measuring the volume of affected lung as...
Load profiling provides the necessary information about daily demand patterns for the short and medium-term actions οf retailers and utilities. Consumer characterization is a two stage approach: In the first stage, the daily load curves of each consumer are classified in a certain number of clusters. Each cluster constitutes a load profile. In the second stage, one of these profiles is chosen as representative...
This paper provided a Data Stream Clustering Algorithm Based on Grid and Relative Density which inherits the advantages of grid based clustering and relative density based clustering which can discover arbitrary-shape and multi-resolution clusters. Meanwhile introduced a concept of support which made algorithm adopt thoughts based on distance-based algorithm, provide the way to solve the effects of...
Parallel coordinates, an important tool for multidimensional data visualization. The property axes of the traditional parallel coordinates are of equal length, which are restricted in many ways. This paper presents a parameterized parallel coordinates method by adjusting the parameters get by function to control the length of different axis. When the axial length get by the polar equation, parallel...
Shape preserving interpolation is an essential technique in geometric design and of great significance in various areas such as curve/surface modeling, numerical approximation and reverse engineering. In this paper, we summarize roundly various shape preserving interpolation theories and algorithms in curve/surface modeling. Then, shape preserving offset approximation and shape preserving degree reduction...
To increase the scalability of cloud computing, utilizing resources of individual users has been widely adopted especially in video streaming services. Accurately predicting behavior of user nodes is critical to achieve a high efficiency in such a peer-assisted system. Though there have been many measurement studies on peer-to-peer systems, most of them have focused on the design and characterization...
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