CaricatronPunya BiswalFinale DoshiJavier VelezA system to starve the starving artistsObjective●Grab video frame from NTSC camera●Detect edge pixels●Convert to vector format●Caricaturize! Exaggerate curves●Output to PostScript printerSystemRAM(Luminence)RAM(Curves)Camera2D ConvolutionROM(LoG)Monitor PrinterGrab FrameVGA outputCurve fittingPS conversionNTSC Input and VGA Output●Store luminence information in (x,y) addressing●320x240x8 input resolution●640x480 pixel outputImage Processing●Edge detection: 2D convolution using a 15x15x16 Laplacian-of-Gaussian FIR filter determined using Matlab●Curve extraction–Pick starting pixel and follow continuous edges–Store as 68-bit objects with {begin, end, CP1, CP2} where CP1 and CP2 are Bezier control points●Caricaturize: extend CPs from center of imageProof Of ConceptPrinting●Convert curve objects into PostScript format●Talk to printer using standard parallel port●Post-processing of curves, including thresholding by estimated curve
View Full Document
Unlocking...