Top "Contour" questions

Python OpenCV detect a white object from a binary image and crop it

My goal is detecting a piece of white paper from this binary image and then crop this white paper and …

python image opencv contour bounding-box

How can I calculate the area within a contour in Python using the Matplotlib?

I am trying to figure out a way to get the area inside a specific contour line? I use matplotlib.…

python matplotlib area contour

matplotlib contour plot with lognorm - colorbar levels

I am trying to make a contour plot with defined levels and log norm. Below is an example: import matplotlib.…

python numpy matplotlib contour colorbar

Hu moments comparison

i tried to compare two images and use Hu moment to compare contour extracted from these images: https://docs.google.…

python opencv image-processing contour

How does one turn contour lines into filled contours?

Does anyone know of a way to turn the output of contourLines polygons in order to plot as filled contours, …

r contour

Draw Perpendicular line to a line in opencv

I better explain my problem with an Image I have a contour and a line which is passing through that …

opencv line draw contour

Create mask from skimage contour

I have an image that I found contours on with skimage.measure.find_contours() but now I want to create …

python contour scikit-image masked-array

Extract contours from ContourPlot in Mathematica

I have a function f(x,y) of two variables, of which I need to know the location of the …

wolfram-mathematica numerical zero contour