epub |eng | 2016-12-27 | Author:Adrian Kaehler & Gary Bradski

Keypoint finder Start by taking a look at (a somewhat simplified version of) the blob detector’s declaration: class SimpleBlobDetector : public Feature2D { public: struct Params { Params(); float minThreshold; ...

epub |eng | 2016-07-26 | Author:Allen B. Downey

# class Dct def make_wave(self): n = len(self.hs) ys = scipy.fftpack.idct(self.hs, type=2) / 2 / n return Wave(ys, framerate=self.framerate) By default, the inverse DCT doesn’t normalize the result, so we ...

epub, pdf |eng | 2011-04-08 | Author:Richard G. Lyons

For computational efficiency reasons, to avoid unnecessary arithmetic using the imaginary parts of the complex C values, we might decide to compute Q as Show the validity (the correctness) of ...

epub |eng | 2008-10-15 | Author:Kaehler, Adrian, Bradski, Gary & Adrian Kaehler [Gary Bradski]

Identifying the bounding triangle or edges on the convex hull and walking the hull Recall that we used a bounding rectangle rect to initialize the Delaunay triangulation with the call ...