Finding Local Maxima Peaks in Solar Data

in utopian-io •  7 years ago  (edited)

Detecting intensity peaks in solar images can be useful as
a simple flare identification mechanism. This example illustrates detection
of those areas where there is a spike in solar intensity.

In this feature I worked on implementing the skimage.feature.peak_local_max
function to find the local peaks in the solar data collected from AIA plot.

Using the map functionality in SunPy we first plot the AIA data.

sphx_glr_Finding_Local_Peaks_in_Solar_Data_001.png

Now using the peak function from skimage we plot the AIA data distribution showing the local peaks.

sphx_glr_Finding_Local_Peaks_in_Solar_Data_002.png

Once we get the local peaks position, we plot those coordinates in the actual AIA map plot.

sphx_glr_Finding_Local_Peaks_in_Solar_Data_003.png

Pull Request Link.



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