If tolerance is 0, the original coordinate arrayДЄpproximated polygonal chain where M <= N.

Maximum distance from original points of polygon to approximated

Note that the approximated polygon is always within the convex hull of the It is based on the Douglas-Peucker algorithm. approximate_polygon ( coords, tolerance ) В¶ Total least squares estimator for N-dimensional lines.ДЄpproximate_polygon В¶ asure. Total least squares estimator for 2D ellipses. Total least squares estimator for 2D circles. Subdivision of polygonal curves using B-Splines. _entropy(image)Д¬alculate the Shannon entropy of an image. _table(label_image)Д¬ompute image properties and return them as a pandas-compatible table. Measure properties of labeled image regions. (data,В model_class,В .)ДЇit a model to data with the RANSAC (random sample consensus) algorithm. Return the intensity profile of an image measured along a scan line. Test whether points lie inside a polygon. _crofton(image)Д¬alculate total Crofton perimeter of all objects in binary image. (image)Д¬alculate total perimeter of all objects in binary image. _normalized(mu)Д¬alculate all normalized central image moments up to a certain order. _coords_central(coords)Д¬alculate Hu's set of image moments (2D-only). _central(image)Д¬alculate all central image moments up to a certain order. _surface_area(verts,В faces)Д¬ompute surface area, given vertices & triangular facesД¬alculate all raw image moments up to a certain order. Marching cubes algorithm to find surfaces in 3d volumetric data. Label connected regions of an integer array. _tensor_eigvals(image)Д¬ompute the eigenvalues of the inertia tensor of the image. _tensor(image)Д¬ompute the inertia tensor of the input image. Test whether points on a specified grid are inside a polygon. _contours(image)ДЇind iso-valued contours in a 2D array for a given level value. _number(image)Д¬alculate the Euler characteristic in binary image. _effect(image)Д¬ompute a metric that indicates the strength of blur in an image (0 for no blur, 1 for maximal blur). _reduce(image)Дownsample image by applying function func to local blocks. _polygon(coords,В .)ДЄpproximate a polygonal chain with the specified tolerance.

Skimage psnr