746 Result(s)
within
English
Image Processing and Computer Vision
Ben Ep**er
Computer Science
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Article
Automatic extraction of printed mathematical formulas using fuzzy logic and propagation of context
This paper describes a new method to segment printed mathematical documents precisely and extract formulas automatically from their images. Unlike classical methods, it is more directed towards segmentation r...
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Chapter and Conference Paper
Out-of-Vocabulary Word Modeling and Rejection for Spanish Keyword Spotting Systems
This paper presents a combination of out-of-vocabulary (OOV)word modeling and rejection techniques in an attempt to accept utterances embedding a keyword and reject utterances with nonkeywords. The goal of thi...
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Chapter and Conference Paper
Improving Street Based Routing Using Building Block Mutations
Street based routing (SBR) is a real-world inspired routing problem that builds routes within an urban area for mail deliveries. The authors have previously attempted to solve this problem using an Evolutionar...
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Chapter and Conference Paper
On Computing Visual Flows with Boundaries: The Case of Shading and Edges
Many visual tasks depend upon the interpretation of visual structures that are flow fields, such as optical flow, oriented texture, and shading. The computation of these visual flows involves a delicate tradeo...
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Chapter and Conference Paper
Coordinating Principal Component Analyzers
Mixtures of Principal Component Analyzers can be used to model high dimensional data that lie on or near a low dimensional manifold. By linearly map** the PCA subspaces to one global low dimensional space, w...
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Chapter and Conference Paper
Guided Sampling and Consensus for Motion Estimation
We present techniques for improving the speed of robust motion estimation based on random sampling of image features. Starting from Torr and Zisserman’s MLESAC algorithm, we address some of the problems posed ...
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Article
Algorithmic Fusion for More Robust Feature Tracking
We present a framework for merging the results of independent feature-based motion trackers using a classification based approach. We demonstrate the efficacy of the framework using corner trackers as an examp...
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Chapter and Conference Paper
Efficient and Consistent Recursive Filtering of Images with Reflective Extension
Recursive filters are commonly used in scale space construction for their efficiency and simple implementation. However these filters have an initialisation problem which either produces unusable results near ...
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Chapter and Conference Paper
Image Registration and Segmentation by Maximizing the Jensen-Rényi Divergence
Information theoretic measures provide quantitative entropic divergences between two probability distributions or data sets. In this paper, we analyze the theoretical properties of the Jensen-Rényi divergence ...
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Chapter and Conference Paper
Geodesic Object Representation and Recognition
This paper describes a shape signature that captures the intrinsic geometric structure of 3D objects. The primary motivation of the proposed approach is to encode a 3D shape into a one-dimensional geodesic dis...
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Article
Classification of Arabic script using multiple sources of information: State of the art and perspectives
In this paper, we present a review of the state of the art in the current classification techniques used in the optical character recognition of the Arabic script (AOCR). We consider multiple sources of inform...
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Article
Neural Q-learning
In this paper we introduce a novel neural reinforcement learning method. Unlike existing methods, our approach does not need a model of the system and can be trained directly using the measurements of the syst...
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Chapter and Conference Paper
Automatic Tracking of Arabidopsis thaliana Root Meristem in Confocal Microscopy
The Arabidopsis thaliana is a well defined and a suited system to study plant development at the cellular level. To follow in vivo the root meristem activity under a confocal microscope the image acquisition proc...
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Chapter and Conference Paper
Characterizing the Firing Properties of an Adaptive Analog VLSI Neuron
We describe the response properties of a compact, low power, analog circuit that implements a model of a leaky–Integrate & Fire (I&F) neuron, with spike-frequency adaptation, refractory period and voltage thre...
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Chapter and Conference Paper
Image Registration Using Triangular Mesh
Image registration is a fundamental problem in the area of computer vision and has been extensively researched. Different image registration algorithm has its pros and cons. Unlike most of the algorithms, our ...
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Chapter and Conference Paper
Construction of Fuzzy Models for Dynamic Systems Using Multi-population Cooperative Particle Swarm Optimizer
A new fuzzy modeling method using Multi-population Cooperative Particle Swarm Optimizer (MCPSO) for identification and control of nonlinear dynamic systems is presented in this paper. In MCPSO, the population ...
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Chapter and Conference Paper
3D Face Modeling Based on Structured-Light Assisted Stereo Sensor
In this paper we present a 3D human face reconstruction framework based on stereo sensor coupled with a structured lighting source. Starting from two calibrated images, the active part (video projector) which ...
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Article
Globally Optimal Geodesic Active Contours
An approach to optimal object segmentation in the geodesic active contour framework is presented with application to automated image segmentation. The new segmentation scheme seeks the geodesic active contour ...
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Article
A multi-user desktop virtual environment for teaching shop-kee** to children
Virtual role-playing environments can be a powerful mechanism of instruction, provided they are constructed such that learning how to play and win the game contributes to a player’s understanding of real-world...
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Chapter and Conference Paper
Peak Ground Velocity Evaluation by Artificial Neural Network for West America Region
With the Peak Ground Velocity 283 records in three dimensions, the velocity attenuation relationship with distance was discussed by neural network in this paper. The earthquake magnitude, epicenter distance, s...
