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12 votes

How can I upsample 22 kHz speech audio recording to 44 kHz, maybe using AI?

answered Dec 7, 2020 at 17:52

5 votes

Under what conditions does DFT(f(x)) = f(DFT(x)) hold?

answered Mar 29, 2023 at 10:44

2 votes

Efficient algorithm to impose boundary conditions while applying a 2d filter

answered Jul 23, 2021 at 10:58

2 votes

Accepted

When computing the phash value for an image, why compare against the median?

answered Jun 15, 2023 at 6:59

1 vote

Understanding SURF point-of-interest localization

answered Jul 3, 2023 at 19:31

1 vote

What are the limitations of Watershed Segmentation Algorithm?

answered Jul 3, 2023 at 19:33

1 vote

Wiener filtering/deconvolution for non-stationary noise

answered Apr 13, 2021 at 17:51

1 vote

How to denoise a video stream from poor CCTV lighting

answered Dec 5, 2020 at 16:00

1 vote

What is Maximally Stable Extremal Regions (MSER)?

answered Jul 22, 2023 at 22:21

1 vote

What is the relationship between luminosity of Lab color space and intensity of HSI color space?

answered Jul 24, 2023 at 6:23

0 votes

Fingerprint enhancement lighter version

answered Jul 22, 2023 at 22:36

0 votes

Can JPEG XR be used for compressing binary images?

answered May 9, 2023 at 7:40

0 votes

How to understand "independent sample rate" of windows?

answered Jun 12, 2023 at 10:58

0 votes

Applying Circular Cross Correlation in MATLAB

answered Dec 5, 2020 at 13:38

0 votes

Find the minimum number of arithmetic operations required for 2D Filters

answered Dec 5, 2020 at 9:54

0 votes

Constructing frequency domain filter from a 2d spatial kernel

answered Jun 20, 2021 at 19:11

0 votes

Apply Low Pass (Smoothing) Filter on a Set of Matrices and Reject Outliers

answered Dec 28, 2020 at 20:32

0 votes

Kalman Filter in Vision - Constant Velocity Model - Units

answered Jul 3, 2023 at 19:37

0 votes

Feature selection of Gabor filter

answered Jul 22, 2023 at 19:24

0 votes

Chapter 4, section 4.2.1. in Szelisky computer vision, is there a mistake?

answered Jul 22, 2023 at 21:57

0 votes

Accepted

Detrending PPG signal

answered Jul 31, 2021 at 9:21

0 votes

Compare two Fourier series to depict the signal smoothness

answered Jul 31, 2021 at 18:23

0 votes

Solve Undetermined Linear System Using NumPy's `lstsq()` Function

answered Aug 8, 2021 at 12:43

0 votes

When to Apply Circular Convolution Formulas?

answered Nov 29, 2021 at 9:03

0 votes

Alternative to support vector machine?

answered Dec 21, 2021 at 18:38

0 votes

Are there any efficient algorithm to detect circular shape of arbitrary size in an image?

answered Apr 6, 2022 at 10:08

-3 votes

White Gaussian Noise Spectrum and Power

answered Dec 5, 2020 at 10:05

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27 Answers

How can I upsample 22 kHz speech audio recording to 44 kHz, maybe using AI?

Under what conditions does DFT(f(x)) = f(DFT(x)) hold?

Efficient algorithm to impose boundary conditions while applying a 2d filter

When computing the phash value for an image, why compare against the median?

Understanding SURF point-of-interest localization

What are the limitations of Watershed Segmentation Algorithm?

Wiener filtering/deconvolution for non-stationary noise

How to denoise a video stream from poor CCTV lighting

What is Maximally Stable Extremal Regions (MSER)?

What is the relationship between luminosity of Lab color space and intensity of HSI color space?

Fingerprint enhancement lighter version

Can JPEG XR be used for compressing binary images?

How to understand "independent sample rate" of windows?

Applying Circular Cross Correlation in MATLAB

Find the minimum number of arithmetic operations required for 2D Filters

Constructing frequency domain filter from a 2d spatial kernel

Apply Low Pass (Smoothing) Filter on a Set of Matrices and Reject Outliers

Kalman Filter in Vision - Constant Velocity Model - Units

Feature selection of Gabor filter

Chapter 4, section 4.2.1. in Szelisky computer vision, is there a mistake?

Detrending PPG signal

Compare two Fourier series to depict the signal smoothness

Solve Undetermined Linear System Using NumPy's `lstsq()` Function

When to Apply Circular Convolution Formulas?

Alternative to support vector machine?

Are there any efficient algorithm to detect circular shape of arbitrary size in an image?

White Gaussian Noise Spectrum and Power