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Questions tagged [reference-implementation]

Questions that include a request for a reference software library where a known algorithm is implemented.

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Implementation boundary-corrected wavelets on the unit interval

I was wondering if there is a 'ready-to-use' implementation available of the (boundary-corrected) wavelets constructed in Cohen, Albert, Ingrid Daubechies, and Pierre Vial. "Wavelets on the ...
Brazilian Cérebro's user avatar
2 votes
0 answers
43 views

Standard audio format using DWT for compression

Is there any standard audio format that employs discrete wavelet transform to compress signals?
dac's user avatar
  • 77
2 votes
1 answer
42 views

Switching camera angle based on several images

Given a number (3 or 4) of different images of a given subject from different angles, how do I interpolate to an angle that isn't available on any of the photos? What is this technique called and is ...
Michael Zedeler's user avatar
2 votes
0 answers
2k views

Blind deconvolution implementation, Python, Shalvi-Weinstein

I'd like a 1D blind deconvolution implementation in Python. I read Shalvi and Weinstein 1990 (on the recommendation of Yair Weiss) and it appears relatively simple. However I can't find an existing ...
Dan Stowell's user avatar
2 votes
0 answers
601 views

Fast implementation of LOESS for equally spaced samples (possibly using convolution)

Is it possible to do LOESS smoothing on equally spaced data using convolution? The Wikipedia article on LOESS mentions a possibility of using a FIR filter for LOESS. I could not find anything more ...
pkuhar's user avatar
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1 vote
1 answer
632 views

Register 2D image - 3D model

I have 2D pictures of an airplane of a specific model, taken with a simple camera, and a 3D point cloud model of this airplane. I would like to project the pictures onto the 3D model (cloud of points) ...
Jericho12's user avatar
0 votes
0 answers
21 views

How can I create range-Doppler spectrograms from NEXRAD level3 data?

I would like to create range-Doppler spectrograms (Doppler velocity on x-axis, range on y-axis) using NEXRAD level 3 data, to create something like this (from this paper): I have done image ...
bphi's user avatar
  • 1
0 votes
0 answers
122 views

Finding Duplicate Pixel/Objects along Image seams

I have a seam of two photos joined by a seam alignment algorithm that on occasion generates duplicated pixels/objects/artifacts on both sides of the seam in the final, aligned photo. The images are ...
Loonuh's user avatar
  • 101
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139 views

Resources for modulation/demodulation techniques with example code

So I remember seeing someone recommending a DSP book that had actual code for modulation and demodulation of a communication signal. Does anyone have any recommended resources they could point me ...
gerrgheiser's user avatar
-1 votes
1 answer
1k views

Cross Correlation in Java (Android) Using FFT (Frequency Domain Convolution / Correlation)

I want to implement cross-correlation with the start-symbol and the signal using FFT. I zero-pad both signals to length N = x.len + y.len -1 Using the convolution theorem: ...
Darman's user avatar
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