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active contour algorithm

Accuracy based Comparison of Three Brain Extraction Algorithms

Accuracy based Comparison of Three Brain Extraction Algorithms

... an active contour algorithm that uses the level set methods to evolve the active contour was ...an active contour to fit the surface between the CSF and ...

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Indian Sign Language Gesture Segmentation Using Active Contour

Indian Sign Language Gesture Segmentation Using Active Contour

... using active contour algorithm that identifies the hands, which can be converted to medium so that everyone can ...the contour is formed based on local information. The contour is the ...

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A Comprehensive Active Contour Model

A Comprehensive Active Contour Model

... parametric active contour algorithm. First, the active contours have difficulties progressing into boundary ...initial contour must in general, be close to the true boundary or else it ...

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The Application of an Active Contour Method for Extracting Human Face Contour

The Application of an Active Contour Method for Extracting Human Face Contour

... The contour finally converges at the edge of interested target through minimized energy ...by active contour algorithm. Firstly, the algorithm depends heavily on initial position, both ...

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Active contour approach for accurate quantitative airway analysis

Active contour approach for accurate quantitative airway analysis

... on active contours to estimate both airway lumen and wall dimensions; the method does not require manual contour initialization but only a starting point on the targeted ...lumen contour segmentation ...

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Template Matching for Profile Measurement Based on Levenberg Marquardt Algorithm

Template Matching for Profile Measurement Based on Levenberg Marquardt Algorithm

... The first step of the experiment is to obtain the rail profile. Figure 1 shows the experiment principle diagram. There are two cameras to be used, one is over the rail, and another is on the left. The images from the two ...

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Timing Analysis of Noisy MRI Segmentation using modified Watershed Algorithm

Timing Analysis of Noisy MRI Segmentation using modified Watershed Algorithm

... The Watershed is a unique algorithm used for biomedical image segmentation [10] i.e. subdividing different objects in an image It is sinking like landform defined hill points and ridge lines that go down into ...

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Multi-atlas active contour segmentation method using template optimization algorithm

Multi-atlas active contour segmentation method using template optimization algorithm

... Initial active contour; MALSF: Multi-atlases level set framework; MAS: Multi-atlas segmentation; MRF: Markov random field; MUSE: Multi-atlas region segmentation utilizing ensembles; NCC: Normalized ...

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Image segmentation algorithm by piecewise smooth approximation

Image segmentation algorithm by piecewise smooth approximation

... Figure 4 shows the segmentation results of four methods for four real images: a leaf image (122×120) with texture background, a chip image (182 × 180), a breast cyst image (91 × 92), and a CT medical image (117 × 123). ...

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Weakly supervised object extraction with iterative contour prior for remote sensing images

Weakly supervised object extraction with iterative contour prior for remote sensing images

... extraction algorithm for optical remote sensing images is proposed in this ...the Active Basis algorithm was used to detect the fragment of object contour and to obtain the initial object ...

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A Segmentation Method and Comparison of Classification Methods for Thyroid Ultrasound Images

A Segmentation Method and Comparison of Classification Methods for Thyroid Ultrasound Images

... segmentation algorithm and set the masking values for future work using automatic segmentation method and further classify the type thyroid for example the Papillary and/or mixed papillary and Follicular and/or ...

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Title :    REAL TIME AUTOMATIC FEMORAL ARTERY SEGMENTATION, RECONSTRUCTION AND REGISTRATION FOR ULTRASOUND – GUIDED REGIONAL ANAESTHESIAAuthor (s) : A. Sree Ranjani , M.S. Muhammadu Sathik raja

Title : REAL TIME AUTOMATIC FEMORAL ARTERY SEGMENTATION, RECONSTRUCTION AND REGISTRATION FOR ULTRASOUND – GUIDED REGIONAL ANAESTHESIAAuthor (s) : A. Sree Ranjani , M.S. Muhammadu Sathik raja

... with Active Contour ...the active contour model, the selection of the initial contour can be seen as pre-segmentation processing so that the initial contour should correspond to ...

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Title: Scaling Based Active Contour Model in Grayscale Images

Title: Scaling Based Active Contour Model in Grayscale Images

... today. Active contour model, which is one of these structures, is an important ...since Active Contour Model contains energy minimization, it requires long working ...of active ...

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Improvising Enhanced Laplacian Thresholding Technique For Efficient Moving Object Detection In Video Surveillance

Improvising Enhanced Laplacian Thresholding Technique For Efficient Moving Object Detection In Video Surveillance

... Gaussian Contour Foreground Video Detection algorithm with Neighbourhood Intensity Proportion Distribution and Enhanced Moving Video Object Contour measures the correlation coefficient of the moving ...

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Surface Pressure Contour Prediction Using a GRNN Algorithm

Surface Pressure Contour Prediction Using a GRNN Algorithm

... At higher tail incidences, once the flow is burst, the trained GRNN could not accurately simulate the fast and sharp changes occurred in the flowfield. Consequently, small differences can be observed between the ...

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A phoneme clustering algorithm based on the obligatory contour principle

A phoneme clustering algorithm based on the obligatory contour principle

... in the language is CV. One is led to conclude that the obligatory contour principle may be manifest in larger classes of segments (such as [±syllabic]), but not necessarily in on the fine-grained level. Some ...

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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

... based methods use the global region information to stabilize their responses to local variations. These methods can attain a higher segmentation accuracy than edge-based level set methods on images with weak boundaries. ...

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Active contour following to explore object shape with robot touch

Active contour following to explore object shape with robot touch

... This active con- tact strategy enables objects with different heights to be perceived equivalently without explicitly controlling the height parameter for ...

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Enhanced Segmentation Method for Bone Structure and Diaphysis Extraction from X ray Images

Enhanced Segmentation Method for Bone Structure and Diaphysis Extraction from X ray Images

... Vinhais and Campilho (2005) created a geometrical model of x- ray images by computing a mean shape from the training images. They applied a Laplacian of Gaussian (LoG) filter with high standard deviation on the image to ...

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Medical ultrasound image segmentation using genetic active contour

Medical ultrasound image segmentation using genetic active contour

... The active contour is one of the methods used exten- sively in recent decades for segmentation of medical ultrasound images ...ing active contour for the first ...the active ...

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