But I've also noticed that when you apply the function to an RGB image, sometimes the results are visually arresting. The Toolbox function entropyfilt makes doing so simple. (That's what I mean by getting the effect "for free.") I've used entropy filtering several times in the past when I've needed to quantify the local orderedness or randomness of an image, I think of entropy filtering. This image was relatively easy to create. And I liked the opportunity to create (and share) more broadly useful tools that helped me achieve my goals. But I liked the challenge that doing it in MATLAB afforded. And before I get a flood of emails, let me point out that I know that this is not what MATLAB is about, and that it makes more sense to do artistic image manipulations using a special-effects-oriented tool. But I wil MATLAB it for you! So, new goal: Create a gallery of special effects for my safari photos using only MATLAB (and Toolboxes, of course!), and blog about the experience. It always rankles me just a bit when I hear people ask me-_knowing_ my penchant for processing images with MATLAB-to "Photoshop" an image for them. Could I implement these effects in MATLAB? What challenges would I face? And how could I overcome them? But here's the rub: I am a dyed-in-the-wool MATLABber-one who spends a lot of time helping customers tackle their image processing challenges using MATLAB and the Image Processing Toolbox. Special effects-that's Photoshop's wheelhouse, right? In fact, I have a rarely-used license for Adobe's flagship product, and it made sense that this project would have me dusting it off. A Challenge: Use MATLAB to Create a Gallery of Safari Effects So while I was snapping away, capturing images just like the ones the cameras clicking to my left and right were capturing, I hatched a plan: I would create and share a small gallery of safari images set apart by the special effects I was designing for them in my head. That's a lot of pictures-that I knew no one, including myself, would ever want to wade through. Our trip was truly memorable-due in no small part to the 1200 photographs I took in the course of the vacation. (I had been passionate about photography many years ago, but have more recently satisfied myself with snapshots from a small digital point-and-shoot camera.) So hours before our intercontinental flight, I found myself camera-shopping in a big-box electronics store, and after some deliberation, coming home with a new Nikon D5100 and a 55-300mm zoom lens. The morning we were scheduled to leave the US, I began kicking myself: I simply couldn't make this trip without having a better camera. My wife and kids and I recently returned from celebrating a milestone birthday-I'll not say which milestone!-in Namibia, where we spent a couple of weeks on Safari in Etosha National Park.
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