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What is meant by a system's “impulse response” and “frequency response?”

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Why should I zero-pad a signal before taking the Fourier transform?

fft zero-padding

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Why is the Fourier transform so important?

fourier-transform

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audio fft waveform-similarity cross-correlation

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image-processing computer-vision

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What is the physical significance of negative frequencies?

frequency

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dft

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What does frequency domain denote in case of images?

image-processing frequency-spectrum dft

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dct dft

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noise power-spectral-density random-process

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filters audio phase group-delay

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“River” detection in text

image-processing

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Why Carrier signal can't have frequency less than Message signal

frequency modulation

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Understanding the Matched Filter

filters digital-communications matched-filter

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What are some free alternatives to SIFT/ SURF that can be used in commercial applications?

image-processing computer-vision local-features sift

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What is the distinction between ergodic and stationary?

random ergodic

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signal-analysis hilbert-transform

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What are the most common algorithms for adaptive thresholding?

image-processing thresholding

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filters audio filter-design

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Step by Step Camera Pose Estimation for Visual Tracking and Planar Markers

computer-vision homography camera-pose visual-tracking

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What is the difference between convolution and cross-correlation?

convolution autocorrelation cross-correlation

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Hilbert transform to compute signal envelope?

audio

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Why are Gaussian filters used as low pass filters in image processing?

image-processing

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107

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Why is it a bad idea to filter by zeroing out FFT bins?

fft filters

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What is the true meaning of a minimum phase system?

filters filter-design minimum-phase

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Why so many methods of computing PSD?

frequency-spectrum power-spectral-density

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How do I manually plot the frequency response of a bandpass Butterworth filter in MATLAB without freqz function?

matlab filters filter-design bandpass

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What is the Gabor filter? And what are its main uses?

filters frequency gabor

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fourier-transform frequency-spectrum

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audio speech

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What is meant by a system's “impulse response” and “frequency response?”

Why should I zero-pad a signal before taking the Fourier transform?

Why is the Fourier transform so important?

How do I implement cross-correlation to prove two audio files are similar?

Why do we use the HSV colour space so often in vision and image processing?

What is the physical significance of negative frequencies?

Why is the FFT “mirrored”?

What does frequency domain denote in case of images?

What is the difference between a Fourier transform and a cosine transform?

Variance of White Gaussian Noise

What is the difference between phase delay and group delay?

“River” detection in text

Why Carrier signal can't have frequency less than Message signal

Understanding the Matched Filter

What are some free alternatives to SIFT/ SURF that can be used in commercial applications?

What is the distinction between ergodic and stationary?

Meaning of Hilbert Transform

What are the most common algorithms for adaptive thresholding?

Simplest way of detecting where audio envelopes start and stop

Step by Step Camera Pose Estimation for Visual Tracking and Planar Markers

What is the difference between convolution and cross-correlation?

Hilbert transform to compute signal envelope?

Why are Gaussian filters used as low pass filters in image processing?

Why is it a bad idea to filter by zeroing out FFT bins?

What is the true meaning of a minimum phase system?

Why so many methods of computing PSD?

How do I manually plot the frequency response of a bandpass Butterworth filter in MATLAB without freqz function?

What is the Gabor filter? And what are its main uses?

Difference between DC component and zero frequency component of signal

Libraries for Voice Activity Detection (Not Speech Recognition)