joeltong.org
4Feb/100

A pleasant surprise

Hey,

Was surfing the net today, stumbled upon this by coincidence:

Yay. More money to spend on reading =D

Anyways, I am still working on getting the input image for FLaser right with filters. Playing around with Gaussian blur. Seems to improve quite a bit. But there ae quite a few problems remaining.

So here's some snapshots:

Before gaussian


After Gaussian. Notice I can now find the laser "dot" using a blob detection function, and eliminate based on size from there.

Anyways on a sidenote, the laplacian of the gaussian -- basically taking 2 identical images with different gaussian blurs applied to each. Then you bitwise difference them. A thresholded picture of my desk and a packet drink:

Cheers,
Joel Tong

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