Instant Sketch Pro

Just bought this app and have been loading a variety of images into it. It's fun and very easy to use with a density slider to control the final result. The only problem I can see is that it could use more things to do with the image but that can be included in future updates!! Great little app.

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Many other apps have this same functionality and they are free. Skip this one and save your money

simple and efficient

After testing some different pictures, I found this application not only can afford a paragon for the students learning how to draw a real sketch from a color picture, but also is a very effective tool for extracting most important features from a color picture. As a result, it can be used as a key step in the field of computer vision such as vision surveillance and face recognition. Compared with the well known edge detection algorithms, this sketch Maker can give much clearer contour of wide variety of objects including the natural scenery and artistic works. Besides, in this new version, the sketchMaker has deep contrast , 3-tone sketch and noise reduction option, which makes the image not only have its different edge, but also reflect real bright scale of the objects in the original pictures, for example, the black hairs or clothes, etc. I think It will be also very interesting for amateur photographer. I like it very much.

Some other apps in this category have too many knobs to tune. For me I just want to get a quick sketch and upload it to Facebook as my profile, and this app does exactly that, nothing more, nothing less. You can play with other type of photos, too. Definitely worth the asked 99 cents.