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An efficient algorithm for boundary tracing and feature …
https://www.sciencedirect.com/science/article/abs/pii/0146664X81900034
An efficient algorithm for boundary tracing and feature extraction. Author links open overlay panel G. Grant A.F. Reid. Show more
An efficient algorithm for boundary tracing and feature …
https://www.semanticscholar.org/paper/An-efficient-algorithm-for-boundary-tracing-and-Grant-Reid/c0a03458bff3d56a75c59fa5ac8514fe35601137
Abstract An algorithm is described that traces and labels the boundaries of objects whose images are stored as a condensed linear array of coordinate values defining the successive intersections of a linear raster with the object boundaries. The vector distances between adjacent boundary points are summed to give perimeter values, which, for closed Euclidean curves, …
An Accurate Extraction Algorithm of the Indoor Boundary …
https://ieeexplore.ieee.org/document/9323378
The boundary feature is of great significance in describing the object shape and constructing 3D model of object. Accurate extraction of boundary features is important to the visualization of the object. This paper presented an accurate extraction algorithm of the indoor boundary features based on point cloud data. The amount of the data was downsampled by …
An efficient algorithm for fingerprint preprocessing and …
https://www.sciencedirect.com/science/article/pii/S1877050910003479
Feature Extraction The line based feature extraction algorithm [8] is used to find the features in the identified region of interest image. The line based feature extraction is briefed as follows. By using connected component analysis and the ridge tracing approach, all connected line segments with respect to all the pixels are determined.
Boundary extraction algorithm for cutting area detection
https://www.sciencedirect.com/science/article/pii/S0010448500001019
With the help of the example in Fig. 7, the extraction procedure can be informally described as follows: (1) select arbitrarily a starting node (N a) for a boundary; (2) identify a set of connected nodes (Boundary-A) by tracing the links (arrows); (3) detach the shaded nodes and its inner nodes from the connectivity-net ; and (4) if the detached sub-net has a node which does …
Object Extraction and Boundary Tracing Algorithms for …
https://www.semanticscholar.org/paper/Object-Extraction-and-Boundary-Tracing-Algorithms-A-Kaur/585a82d28dd52f9d10e1e97dfa1fc7c6de9e1381
A new algorithm for object extraction, boundary tracing and image enhancement have been proposed based on combination of Morphology, Weiner filters and thresholding techniques. ... of image enhancement methods is to increase image visibility and details to provide clear image to eyes or assist feature extraction processing in computer vision ...
AN EFFICIENT ALGORITHM FOR THE EXTRACTION …
https://engineering.purdue.edu/RVL/Publications/Shin08Efficient.pdf
detecting all the boundary points, they are reordered in such a way that they form a continuous counterclockwise contour of the object. The reordered x- and y-coordinates are stored in the remaining two line memories. This paper also presents a high-precision Gaussian filter-ing algorithm for extracting scale-space representations. It
Feature Extraction Techniques - Medium
https://towardsdatascience.com/feature-extraction-techniques-d619b56e31be
Feature Extraction aims to reduce the number of features in a dataset by creating new features from the existing ones (and then discarding the original features). ... Additionally, using our two-dimensional dataset, we can now also visualize the decision boundary used by our Random Forest in order to classify each of the different data points ...
An efficient algorithm for fingerprint preprocessing …
https://www.researchgate.net/publication/220308411_An_efficient_algorithm_for_fingerprint_preprocessing_and_feature_extraction/fulltext/026a1fe70cf2db63b3aa9303/An-efficient-algorithm-for-fingerprint-preprocessing-and-feature-extraction.pdf
Core point detection is efficiently identified for any type of fingerprints. The developed algorithm is tested using a line based feature extraction algorithm with a large in ternal database and...
Boundary tracing - Wikipedia
https://en.wikipedia.org/wiki/Boundary_Tracing
Boundary tracing, also known as contour tracing, of a binary digital region can be thought of as a segmentation technique that identifies the boundary pixels of the digital region. Boundary tracing is an important first step in the analysis of that region . Boundary is a topological notion. However, a digital image is no topological space.
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