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3
votes
2answers
22 views

Continuous Mutual Correction from Multiple Sensors

I'm stumped on what exactly to search for; so here is a non-scientists description of the topic. I've got multiple sensors of different types that are measuring the same physical value in different ...
3
votes
1answer
58 views

Does a reentrant list for signal queue in a single-thread environment exist?

I need to handle Unix signals in a single-threaded application with the following goals: Signals doesn't mask on receive (thus, the signal handler must be reentrant). I am not allowed to lose signal ...
2
votes
1answer
150 views

Compare phase and magnitude spectrum results of 2 Images

I have read that from Fourier transform we obtain magnitude and phase spectrum. The magnitude spectrum tells you how strong are the harmonics in a image and the phase spectrum tells where this ...
0
votes
0answers
42 views

Entropy of residuals and noise

Relation of Entropy and SNR : Based on this question and answer, I had another question that struck me and I am curious to know, if somebody can shed some light, on the following situation: $y= ...
-2
votes
1answer
63 views

Convolution of Haar filter [closed]

In "Conceptual Wavelets" (2009) by D. Lee Fugal, on pg 47 he writes Conv ([-1, 1], [1, 1]) = [-1, 2,-1] When I do it I get ...
3
votes
0answers
134 views

Algorithms that are similar to Dynamic TIme Warping

Dynamic time warping (DTW) is an algorithm in time series analysis for measuring similarity between two temporal sequences which may vary in time or speed. Here are some explanations of DTW: Dynamic ...
4
votes
1answer
59 views

What is the signal going from the computer to the screen? [closed]

Im sorry if it is a weird question, but I cant seem to find an answer for this. What does the signal going to the screen look like in more abstract sense? Does it code the values of each pixel in a ...
6
votes
2answers
273 views

What are all the differences between the Gibbs phenomenon artefects and JPEG artefacts?

I thought the Gibbs phenomenom is the result of Fourier analysis estimation (but was it Fourier Series estimation or can it also be Fourier Transform estimation?) JPEG uses the Discrete cosines ...
4
votes
1answer
979 views

Which algorithms are usable for heatmaps and what are their pros and cons

This is a cross post from Stack Overflow, and DSP at Stackexchange since I cannot really decide which part of Stackexchange is most fitting. If this is the wrong place please tell me and I'll remove ...
2
votes
0answers
47 views

Stream processor definition

I'm looking for an actual definition of a stream processing unit (SPU), preferably sourced. The context is not specifically graphics cards. I can find many, many articles explaining what they contain,...
1
vote
1answer
414 views

Hoare's monitor - what happens after a “signal”

Assume I have producer and consumer in a monitor. The code of the consumer signals the producer and then does something else. I know in a Hoare-style monitor, after signaling, the thread that is ...
1
vote
0answers
71 views

Help understanding an audio processing algorithm

I'm reading “Speech segmentation without speech recognition” by Dong Wang, Lie Lu and Hong-Jiang Zhang. The algorithm I'm looking at is a V/C/P (Vowel/Consonant/Pause) classification algorithm on a ...