annotate Code/Descriptors/yin/private/minparabolic.m @ 4:92ca03a8fa99
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Update to ICASSP 2013 benchmark
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Dawn Black |
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Wed, 13 Feb 2013 11:02:39 +0000 |
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ea0c737c6323 |
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1 % [y,idx] = minparabolic(x) - locate minima using parabolic interpolation
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2 %
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3 % x: input vector
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4 % y: same as x, with local minima replaced by interpolated minima
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5 % idx: position of interpolated minima (fractionary)
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6 %
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7 % At each local minimum of x, that sample and its neighbors are used to
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8 % determine a parabola. The minimum of the parabola is used as the new
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9 % minimum value, the abscissa of the minimum is used as its position.
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