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freq.rar
... a melody and watch this program graph the pitch in real time. The Frequency Analyzer (download now) technically speaking performs a Fast Fourier Transform of the sound (you need a sound card and a microphone to use this program). What it means is that it ...
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matlec7.rar
Every signal can be written as a sum of sinusoids with di® erent amplitudes and frequencies. The MATLAB
command to compute the Fourier Transform and its inverse are respectively ® t and i® t
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HoughObject.rar
Circles
We can extend the Hough transform to other shapes that can be expressed parametrically. For example, a circle of
fixed radius can be described fully by the location of its center (x, y).
Think of each feature (edge) point on the circle as ...
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DFT.rar
Good hand written notes of our Prof.Ahmed Sultan about Discrete Fourier Transform
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TP_INDIX.rar
Le Descripteur SIFT (Scale Invariant Feature Transform) [1] consiste a extraire un histo-
gramme d orientations de gradients autour d un point d inter^et de l image. Le principe du calcul
du descripteur est illustre a la gure
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