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Active Contour

Active Contour without Edges vs GVF Active Contour for Accurate Pupil Segmentation

Active Contour without Edges vs GVF Active Contour for Accurate Pupil Segmentation

... an active contour without ...of active contour is very robust to ...GVF active contour and our approach used for pupil ...

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Enhanced Geometric Active Contour Segmentation Model (ENGAC) For Medical Image Segmentation

Enhanced Geometric Active Contour Segmentation Model (ENGAC) For Medical Image Segmentation

... Geodesic Active Contour active contour model as an additional shape force to drive the embedding function to the likely exact ...geometric active contour model and this gave ...

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Segmentation of magnetic resonance images using a combination of neural networks and active contour models

Segmentation of magnetic resonance images using a combination of neural networks and active contour models

... and active contour model (‘snake’) to segment structures in magnetic resonance (MR) ...an active contour model to provide an accurate segmentation of the lungs from the multiple slices in ...

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An active contour segmentation using the perspective box concept for figure-ground object detection

An active contour segmentation using the perspective box concept for figure-ground object detection

... This research contributes better ideas on improving the segmentation process especially for region based segmentation and demonstrates the result performance in image pre-processing step in order to complete certain ...

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Retinal Vessel Segmentation using Infinite Perimeter Active Contour with Hybrid Information Model

Retinal Vessel Segmentation using Infinite Perimeter Active Contour with Hybrid Information Model

... We have proposed a infinite perimeter active contour model with hybrid region terms for the vessel segmentation problem. This model has been applied to two available retinal datasets and the results ...

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The Edge Based Active Contour Models For Medical Images Analysis In Edge Stop Functions

The Edge Based Active Contour Models For Medical Images Analysis In Edge Stop Functions

... evolving contour, but image statistics inside and outside the ...an active contour based on a region-based energy functional inspired by Mumford-Shah ...the active contours ...

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Multi-atlas active contour segmentation method using template optimization algorithm

Multi-atlas active contour segmentation method using template optimization algorithm

... In this paper, we propose a multi-atlas active contour segmentation method using a template optimization algorithm. The proposed method com- bines the advantages of a multi-atlas and ACM and can effectively ...

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The Potential of Active Contour Models in Extracting Roads from Mobile Laser Scanning Data

The Potential of Active Contour Models in Extracting Roads from Mobile Laser Scanning Data

... on active contour models have also been developed for extracting features from LiDAR ...snake contour was minimised which led to its convergence to the road ...an active contour model ...

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Information-theoretic active contour model for microscopy image segmentation using texture

Information-theoretic active contour model for microscopy image segmentation using texture

... λ = [1/15, 1/30, 1/60, 1/120, 1/240], γ = [0.2, 0.4, 0.6, 0.8, 1]; this was reduced to an optimal feature set using the CS-based feature selection strategy and the active contour was able to succesfully ...

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Modified Active Contour Snake Model for Image Segmentation using Anisotropic Filtering

Modified Active Contour Snake Model for Image Segmentation using Anisotropic Filtering

... Active Contour Model is a very efficient technique of image ...that active contour models are difficult to use when the edges of a feature are weak, noisy, and diffuse; they tend to get ...

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Semantic Segmentation and Object Detection Based On Active Contour Model and Fuzzy Clustering

Semantic Segmentation and Object Detection Based On Active Contour Model and Fuzzy Clustering

... Active contour models (ACM) have been widely employed for delineating an object of interest in images. In an edge-based ACM, the external energy function makes zero LSF move toward the edge of the objects. ...

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B Spline Active Contour with Handling of Topology Changes for Fast Video Segmentation

B Spline Active Contour with Handling of Topology Changes for Fast Video Segmentation

... This paper deals with video segmentation for MPEG-4 and MPEG-7 applications. Region-based active contour is a powerful technique for segmentation. However most of these methods are implemented using level ...

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Adaptive Crisp Active Contour Method for Segmentation and Reconstruction of 3D Lung Structures

Adaptive Crisp Active Contour Method for Segmentation and Reconstruction of 3D Lung Structures

... Computing systems have been playing an important role in vari- ous medical fields, notably in image diagnosis. Highlighted among the existing exams that allow diagnostic aids and the application of computing systems in ...

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MR Brain Image Segmentation Using Region Based Active Contour Model

MR Brain Image Segmentation Using Region Based Active Contour Model

... based active contour model using level set approach to be useful for region of interest (ROI) based image compression ...and active contour model segments the ...

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Lip segmentation using automatic selected initial contours based on localized active contour model

Lip segmentation using automatic selected initial contours based on localized active contour model

... There are various methods of lip segmentation, such as a method based on MAP-MRF framework [1], a clustering approach without knowing segment number [2], and the active contour model (ACM) involved in this ...

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DELINEATION OF TARGET VOLUME FOR BRAIN TUMORS IN RADIOTHERAPY USING ACTIVE CONTOUR SEGMENTATION AND SIMPSON INTEGRATION

DELINEATION OF TARGET VOLUME FOR BRAIN TUMORS IN RADIOTHERAPY USING ACTIVE CONTOUR SEGMENTATION AND SIMPSON INTEGRATION

... This study uses a delineation process with the active contour segmentation method and Simpson integration method. This segmentation is used to contour so that the volume target form is obtained. The ...

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Segmentation of brain tumors in MRI images using three dimensional active contour without edge

Segmentation of brain tumors in MRI images using three dimensional active contour without edge

... Abstract: Brain tumor segmentation in magnetic resonance imaging (MRI) is considered a complex procedure because of the variability of tumor shapes and the complexity of determining the tumor location, size, and texture. ...

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Dual channel active contour model for megakaryocytic cell segmentation in bone marrow trephine histology images

Dual channel active contour model for megakaryocytic cell segmentation in bone marrow trephine histology images

... dual-channel active contour (DCAC) model that em- ploys the previously delineated nuclear boundary as the initial contour, as well as intensity features of the constituent stain channel ...

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Cyst and Tumor Lesion Segmentation on Dental Panoramic Images using Active Contour Models

Cyst and Tumor Lesion Segmentation on Dental Panoramic Images using Active Contour Models

... an active contour model (snake) method for segmentation of dental panoramic images was ...initial contour, number of iteration and choose the parameter affects the ...initial contour. If the ...

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Blood Vessel Feature Segmentation to Retinal images Based on Active Contour Model With Hybrid Region Information

Blood Vessel Feature Segmentation to Retinal images Based on Active Contour Model With Hybrid Region Information

... We propose a new kernel function in vessel segmentation problem for the retinal blood vessels filter based segmentation of active contour model. This model has been applied to three publicly available ...

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