Top "Contour" questions

A contour line for a function of two variables is a curve connecting points where the function has the same particular value.

Draw single Contour in OpenCV on image

What is the best way to draw a single contour in OpenCV? As far as i can see drawContours can …

c++ image opencv contour
Opencv match contour image

I'd like to know what would be the best strategy to compare a group of contours, in fact are edges …

opencv contour
Using matplotlib.animate to animate a contour plot in python

I have a 3D array of data (2 spatial dimensions and 1 time dimension) and I'm trying to produce an animated contour …

python matplotlib contour
Matlab how to make smooth contour plot?

I want to represent data with 2 variables in 2D format. The value is represented by color and the 2 variables as …

matlab plot colors contour
How to create ternary contour plot in Python?

I have a data set as follows (in Python): import numpy as np A = np.array([0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 0, 0.1, 0.2, 0.3, 0.4, 0.2, 0.2, 0.05, 0.1]) B = np.array([0.9, 0.7, 0.5, 0.3, 0.1, 0.2, 0.1, 0.15, 0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9]) C = …

python graph matplotlib plot contour
How to overlay a pcolor plot with a contour plot that uses a different colormap?

Minimum example that does not achieve it: [X,Y,Z] = peaks; figure; pcolor(X,Y,Z); shading flat; hold all; …

matlab plot contour
OpenCV C++/Obj-C: Connect nearby contours

Is there a function to connect two (or more) nearby contours? Take a look at my in-/output and you'll …

opencv contour
Scatterplot Contours In Matplotlib

I have a massive scatterplot (~100,000 points) that I'm generating in matplotlib. Each point has a location in this x/y …

python matplotlib contour scatter-plot
OpenCV, how to use arrays of points for smoothing and sampling contours?

I have a problem to get my head around smoothing and sampling contours in OpenCV (C++ API). Lets say I …

c++ opencv contour sampling
masking part of a contourf plot in matplotlib

I am trying to produce a filled contour plot in matplotlib using contourf. Data are missing in a jagged pattern …

python matplotlib contour