229 Result(s)
within
Computer Science
Algorithm Analysis and Problem Complexity
Image Processing and Computer Vision
**u Tao
Chapter
Conference Paper
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Chapter and Conference Paper
A Sampling Algorithm for Tracking Multiple Objects
The recently proposed CONDENSATION algorithm and its variants enable the estimation of arbitrary multi-modal posterior distributions that potentially represent multiple tracked objects. However, the specific s...
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Chapter and Conference Paper
Clustering XML Documents by Structure
This work explores the application of clustering methods for grou** structurally similar XML documents. Modeling the XML documents as rooted ordered labeled trees, we apply clustering algorithms using distan...
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Chapter and Conference Paper
Bi-phase Encoded Waveform Design to Deal with the Range Ambiguities for Sparse Space-Based Radar Systems
In order to mitigate the Range-Doppler ambiguities inherent in a sparse aperture, high pulse repetition frequency is adopted to resolve Doppler ambiguous and waveform approach exploits temporal diversity to re...
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Chapter and Conference Paper
A Reinforcement Learning Approach for Host-Based Intrusion Detection Using Sequences of System Calls
Intrusion detection has emerged as an important technique for network security. Due to the complex and dynamic properties of intrusion behaviors, machine learning and data mining methods have been widely emplo...
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Chapter and Conference Paper
Replay Scene Based Sports Video Abstraction
Video abstraction can be useful in multimedia database indexing and querying and can illustrate the important content of a longer video to quick browsing. Further, in sports video, replay scene often demonstra...
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Chapter and Conference Paper
One-Point Hexagonal Inner Search for Fast Motion Estimation
In this paper, we propose a novel inner search algorithm for fast motion estimation to speed up the coding of video compression. The proposed algorithm, called as one-point hexagonal inner search (OPHIS), is b...
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Chapter and Conference Paper
A Similarity Computing Algorithm for Volumetric Data Sets
Recently, there are remarkable progress in similarity computing for 3D geometric models. Few focus is put on the research of the similarity between volumetric models. This paper proposes a novel approach for p...
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Chapter and Conference Paper
Text Similarity Computing Based on Standard Deviation
Automatic text categorization is defined as the task to assign free text documents to one or more predefined categories based on their content. Classical method for computing text similarity is to calculate th...
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Chapter and Conference Paper
Detecting Anomalous Network Traffic with Combined Fuzzy-Based Approaches
This paper introduces the combined fuzzy-based approaches to detect the anomalous network traffic such as DoS/DDoS or probing attacks, which include Adaptive Neuro-Fuzzy Inference System (ANFIS) and Fuzzy C-Means...
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Chapter and Conference Paper
A Weather Forecast System Based on Artificial Immune System
Inspired by the learning mechanism of the biological immune system, the paper presents a method for weather forecast. Expressions of antigen and B-cell are defined. An immune-based supervised learning algorith...
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Chapter and Conference Paper
Exploring Content-Based and Image-Based Features for Nude Image Detection
This paper introduces some widely used techniques related to nude image detection. By analyzing the merits and drawbacks of these techniques, a new nude image detection method is proposed. The proposed approac...
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Chapter and Conference Paper
Comparison of Complexity and Regularity of ERP Recordings Between Single and Dual Tasks Using Sample Entropy Algorithm
The purpose of this study is to investigate the application of sample entropy (SampEn) measures to electrophysiological studies of single and dual tasking performance. The complexity of short-duration (~s) epo...
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Chapter and Conference Paper
Wavelet Transform Based Gaussian Point Spread Function Estimation
Point spread function (PSF) estimation, an essential part for image restoration, has no accurate estimation algorithm at present. Based on the wavelet theory, a new Gaussian PSF accurate estimation algorithm i...
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Chapter and Conference Paper
Characterization of Evaluation Metrics in Topical Web Crawling Based on Genetic Algorithm
Topical crawlers are becoming important tools to support applications such as specialized Web portals, online searching, and competitive intelligence. A topic driven crawler chooses the best URLs to pursue dur...
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Chapter and Conference Paper
Study of Multiuser Detection: The Support Vector Machine Approach
In this paper, a support vector machine (SVM) multi-user receiver based on competition learning (CL) strategy is proposed. The new algorithm adopts a heuristic approach to extend standard SVM algorithm for mul...
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Chapter and Conference Paper
A Model for Classification of Topological Relationships Between Two Spatial Objects
From the aspect of basic characteristics of human cognition, a model for classification of topological relationships between two spatial objects, hierarchy model, is proposed. Then, the complete and mutual exc...
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Chapter and Conference Paper
Particle Swarm Optimization for Bipartite Subgraph Problem: A Case Study
The goal of bipartite subgraph problem is to partition the vertex set of an undirected graph into two parts in order to maximize the cardinality of the set of edges cut by the partition. This paper proposes a ...
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Chapter and Conference Paper
An Encoded Mini-grid Structured Light Pattern for Dynamic Scenes
This paper presents a structured light pattern for moving objects sensing in dynamic scenes. The proposed binary pattern can be projected by laser illumination, which aims at eliminate the affect of ambient su...
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Chapter and Conference Paper
A Novel Genetic Algorithm for Variable Partition of Dual Memory Bank DSPs
DSPs provide high performance and low cost through their use of specialized hardware features. One feature commonly found in DSPs is the dual data memory banks to offer high memory bandwidth. However, it poses...
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Chapter and Conference Paper
Signature Verification Method Based on the Combination of Shape and Dynamic Feature
A method based on multi-feature and multi-stage verification is proposed in this paper. The direction and texture features obtained by Gabor filter are used for the first-stage verification. Then the sham dyna...
