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iphonecocoa-touchios4image-processinginstagram

How to implement Blur effect of Instagram in my App

In my application it is required to use blur effect like instagram. I have gone through

This This and This

with the help of second link I can blur a image completely, but I have to apply blur effect on some fragments of images please help me.

Solution

  • You're looking for either a tilt-shift effect or a selective blur.

    I have GPU-accelerated implementations of both of these in my open source GPUImage framework.

    See the GPUImageTiltShiftFilter and GPUImageGaussianSelectiveBlurFilter for these effects.