What is M3 filter??

Can anyone give any example that how to implement M3 filter ?

Answer 1

[Jan]

Do you mean this:

• http://store.activeautowerke.com/active-autowerke-bmw-e9x-m3-performance-air-filter-p174.aspx
• http://crd-legacy.lbl.gov/~cmc/M3/group__M3__FilterType.html
• http://www.meade4m.com/index.php?/gallery/image/174-m3-in-canes-venatici/
• http://www.coactionos.com/embedded-design/115-fft-on-the-arm-cortex-m3.html
• http://proceedings.spiedigitallibrary.org/proceeding.aspx?articleid=930487

? Please give as any usable information instead of trusting in the power to guess, what you want. Thanks.

Answer 2

[Umair Riaz]

thanks for reply..

Basically i am trying to remove speckle noise from images and for that i want to use M3 filter .

http://www.freeimagehosting.net/9i561

the thing which is confusing is that when we take median and mean of a subimage suppose (3 x 3) image then how after adding how can we take maximum.??? we will get only one value according to the formula which is mentioned in pic...

Any help will be appreciated .. Regards....