The Stack Overflow podcast is back! Listen to an interview with our new CEO.

Questions tagged [computer-graphics]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
0
votes
0answers
16 views

Obtaining a sine wave ECG from a matrix of short arrays

I am a software developer, so please forgive my limited knowledge in the DSP space. I am given a task to plot an ECG graph and the data I receive from an ECG (BLE) device is provided in a matrix of ...
0
votes
2answers
57 views

How can I graph the amplitude for a given frequency window over time?

I have simple audio files of single plucked notes from a guitar: I want to graph the amplitude of each partials over time, rather than just have this color-coded "dB" intensity graphing I have here. ...
1
vote
0answers
36 views

How to produce pencil-like images by pure image processing methods?

Is it possible to reproduce the following pencil-like image by pure image processing? Notes: The original image: Fig 10 in paper http://www.cs.columbia.edu/cg/aircode/aircode-uist-2017-li-et-al.pdf ...
1
vote
1answer
1k views

How to perform 2D image rotation by FFT based image translation using matlab?

I am studying rotation using 3 translations as described in this scientific paper. According to the authors , it is possible to decompose a rotation into 3 shear translations which will be implemented ...