June 2015

Comparison of highpass filters in GIMP and GMIC


When it comes to sharpening an image, a popular alternative to the unsharp mask is the high pass filter. To apply this method, you create the high pass version of your image in a new layer and set its blend mode to overlay. Applying a layer mask allows you to restrict sharpening to certain regions of the image.
Unfortunately gimp does not provide the high pass filter out of the box. You either need to install gmic or the high pass plugin.
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Performance of dollar cost averaging in a bear market

Dollar cost averagin (DCA) is a controlled way to participate in the stock market. Today, an easy and cost effective investment scheme using Exchange Traded Funds (ETFs). All you need to do is install a plan with your online broker: E.g. investing 25$ a month into an S&P ETF. As Benjamin Graham put it in "The intelligent investor": Buying stocks using cost averaging will reward you with an average market performance. No more but not less either. An important statement considering that stocks are on of the most secure investments in the long run.

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