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Signal Processing

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Awarded 8460 times.
Finding the pitch value of a note
Awarded Oct 19, 2011 at 8:39
What is the physical significance of negative frequencies?
Awarded Oct 18, 2011 at 17:23
(post deleted or otherwise unavailable)
Awarded Oct 18, 2011 at 7:05
How to recognize patterns in a noisy audio frequency spectrum?
Awarded Oct 18, 2011 at 3:20
Skip corrupt part of jpeg
Awarded Oct 15, 2011 at 10:40
Tips for improving pitch detection
Awarded Oct 13, 2011 at 15:58
Why is the difference of gaussians scale space scale invariant?
Awarded Oct 12, 2011 at 14:37
Is there any way to make a sampling rate reduction in the frequency domain?
Awarded Oct 10, 2011 at 14:45
What mathematical model of audio can make possible pitch shifting of individual notes in (timbrally complex) polyphony?
Awarded Oct 8, 2011 at 11:26
(post deleted or otherwise unavailable)
Awarded Oct 7, 2011 at 8:35
What Is the Best First Order IIR (AR Filter) Approximation to a Moving Average Filter (FIR Filter)?
Awarded Oct 6, 2011 at 13:53
"River" detection in text
Awarded Oct 5, 2011 at 20:08
YV12 to RGB - What is wrong with my algorithm?
Awarded Oct 5, 2011 at 8:42
What is anti-alias pre-filter for preventing aliasing after under-sampling?
Awarded Oct 5, 2011 at 3:12
How do I add AWGN to an I and Q representation of a signal?
Awarded Oct 3, 2011 at 20:22
Are Computer Stereo Vision techniques appropriate for sub-millimetre measurements?
Awarded Sep 30, 2011 at 12:57
Frequency-domain zero padding - special treatment of X[N/2]
Awarded Sep 28, 2011 at 18:23
What properties make certain wavelets "better" than others in image compression?
Awarded Sep 28, 2011 at 4:14
Is a Kalman filter suitable to filter projected points positions, given Euler angles of the capturing device?
Awarded Sep 26, 2011 at 15:37
Am I handling offline FFT correctly?
Awarded Sep 26, 2011 at 14:02
Wiener Filter for Image Noise Reduction (Image Denoising)
Awarded Sep 23, 2011 at 12:20
DSP Benchmarks for ARM Cortex-M4 processor
Awarded Sep 23, 2011 at 10:10
(post deleted or otherwise unavailable)
Awarded Sep 23, 2011 at 2:23
Audio output quality
Awarded Sep 21, 2011 at 21:56
Complex conjugate and IFFT
Awarded Sep 21, 2011 at 17:11
(post deleted or otherwise unavailable)
Awarded Sep 17, 2011 at 22:23
FIXED POINT conversion Problem (DSP)
Awarded Sep 17, 2011 at 20:33
FIXED POINT conversion Problem (DSP)
Awarded Sep 13, 2011 at 17:15
In Fourier transforms, can momentum space be analogized to frequency, and position space be analogized to wavelength?
Awarded Sep 13, 2011 at 5:23
What should be considered when selecting a windowing function when smoothing a time series?
Awarded Sep 12, 2011 at 20:34
What is the difference between phase delay and group delay?
Awarded Sep 12, 2011 at 16:24
Image analysis - fiber recognition
Awarded Sep 12, 2011 at 16:09
Calculating the PDF of a waveform from its samples
Awarded Sep 12, 2011 at 14:59
FIXED POINT conversion Problem (DSP)
Awarded Sep 8, 2011 at 8:45
Is it possible for a signal to be represented by *both* sinusoidal *and* rectangular/triangular Fourier transforms?
Awarded Sep 7, 2011 at 2:42
When is aliasing a good thing?
Awarded Sep 3, 2011 at 19:17
Estimating onset time of a tone burst in noise?
Awarded Sep 1, 2011 at 22:02
How can I reconstruct a 3D structure from a set of images?
Awarded Aug 27, 2011 at 0:26
What mathematical tools exist for understanding modulated noise?
Awarded Aug 23, 2011 at 21:52
How does adaptive Huffman coding work?
Awarded Aug 23, 2011 at 18:47
What does a "vector" in a hidden Markov model mean?
Awarded Aug 22, 2011 at 5:25
Are there any standard implementation forms for tunable Butterworth filters?
Awarded Aug 22, 2011 at 3:44
Why would I leave a signal oversampled?
Awarded Aug 21, 2011 at 18:49
(post deleted or otherwise unavailable)
Awarded Aug 21, 2011 at 16:39
What approximation techniques exist for the square super-root function?
Awarded Aug 21, 2011 at 4:28
What are the proper pre-processing steps to perform Independent Component Analysis?
Awarded Aug 20, 2011 at 3:00
What is the physical interpretation of Lowpass/Highpass filtering?
Awarded Aug 19, 2011 at 12:28
How can I lowpass filter by only reducing peak data?
Awarded Aug 18, 2011 at 13:37
How can I estimate the spatial resolution of consumer grade electronics?
Awarded Aug 18, 2011 at 8:45
(post deleted or otherwise unavailable)
Awarded Aug 17, 2011 at 23:28
How should I pre-process a real valued signal in order to use Kay's estimator?
Awarded Aug 17, 2011 at 13:57
What does a "vector" in a hidden Markov model mean?
Awarded Aug 17, 2011 at 13:52
How to Improve Least Means Squares (LMS) / NLMS Filter Performance?
Awarded Aug 17, 2011 at 13:52
How to decide what platform is best to implement real-time audio processing on?
Awarded Aug 17, 2011 at 13:52
Are Computer Stereo Vision techniques appropriate for sub-millimetre measurements?
Awarded Aug 17, 2011 at 5:57
What is the difference between a Fourier transform and a cosine transform?
Awarded Aug 17, 2011 at 1:07
How can I design Nyquist interpolation filters with the Parks-McClellan algorithm?
Awarded Aug 16, 2011 at 21:47
Are Computer Stereo Vision techniques appropriate for sub-millimetre measurements?
Awarded Aug 16, 2011 at 21:22
How can I design Nyquist interpolation filters with the Parks-McClellan algorithm?
Awarded Aug 16, 2011 at 21:22
How to decide what platform is best to implement real-time audio processing on?
Awarded Aug 16, 2011 at 20:42
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