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Help reg effective Noise reduction techniques in Images and audio

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Sharath1160

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Dear all,

I am doing my master's in signal processing. I am currently doing research in audio and image processing. I have been processing over huge spectrogram images. I am facing the problem of noise reduction.

Currently, we have been using Wiener Filter technique, convolution stuffs and the use of Band pass filter for noise reduction.

I would like to know any novel noise reduction technique and also the above mentioned techniques are kind of slow and sometimes inefficient. I need to overcome that too.

I would glad If you guys can help me out by suggesting fast and efficient noise reduction mechanisms especially for images(in this case, spectrograms) . And also I would more than happy if it is effective in the time domain.

Your help will be much appreciated.



Thanks & Regards,
Sharath
 

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