Super-sharpening(?) the image

I may have forgotten to mention it, but my expertise is not in image processing.  The people who know better will likely tsk mightily at this and upcoming posts. My apologies. =) Last time got me a b&w-converted version of a picture, but didn’t do much with it.  Next up, I need a sequence of…

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Converting an Image (well, Bitmap really) to Grayscale

First thought – convert the picture to greyscale and increase the contrast to help any kind of edge-detection work.  Some searching found me Bob Powell’s handy guide to increasing contrast and converting to grayscale via ColorMatrix.  With Wikipedia’s explanation of “naive” matrix multiplication in hand I cobbled up a converter that takes a bitmap and…

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Voyage of the S.S. UPC Scanner

I got this silly idea in my head last week that I’d take my brand-new high-def handheld video camera and use it to produce a catalog of books, DVDs, etc. that are lying around the house.  Simple premise – turn on the camera and wave games, DVDs, etc. at it.  Every Nth frame in the…

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What’s winsxsmanifestcache(something)_blobs.bin?

Glenn writes: “What is the c:\windows\winsxs\manifestcache\6.0.6001.18000_001c50b5_blobs.bin file and why is it taking up 156Mb on my hard drive? Do I really need a file this big?” That file is used by the Windows Update mechanisms in Vista.  It acts like a cache and is capped at a certain size, but it’s safe to delete.  The…

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