piekarski-slides-lca.. - Tinmith Augmented Reality Project

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Video 4 Linux• If you have trouble using V4L, reload the modules• I found the CPIA camera driver was not very reliable andmy camera doesn't work in 2.6 at all any more• USB2.0 cameras are not supported• New V4L2 API is available in kernel 2.5 and 2.6• Not all drivers use this new API• Older V4L apps are supported via compatibility layer• Designed to fix some flaws in old V4L• Still needs a nice user land interface library• Go through example V4L code38 Wayne Piekarski Wearable Computer Lab CIS @ UniSA http://www.tinmith.net/lca2005lca 2005
Firewire video capture• Linux has had Firewire support for about two years• Hard drives• Digital video cameras (DV)• Digital cameras (DC)• DV devices are supported using libDV• Takes raw DV compressed video from video camera• DC devices are supported using libDC• Supports YUV and RGB raw video up to 640x480• Nice for PCs because no decompression required• We will only talk about DC devices today39 Wayne Piekarski Wearable Computer Lab CIS @ UniSA http://www.tinmith.net/lca2005lca 2005
Page 1 and 2: Building User Interfaces With Video
Page 3 and 4: What is this tutorial not about?•
Page 5 and 6: Lazy like a fox• Teach you intere
Page 7 and 8: Immersive 3D graphics• My researc
Page 9 and 10: Optical augmented reality• Hard t
Page 11 and 12: Outdoor augmented reality• My res
Page 13 and 14: Tinmith mobile 3D modelling• Glov
Page 15 and 16: ARQuake demonstration• Play demo
Page 17 and 18: Processing• We need to carry suff
Page 19: Free beer AR• AR and VR are domin
Page 22 and 23: Distribution installation• I curr
Page 24 and 25: 3D graphics infrastructure24lca 200
Page 26 and 27: OpenGL advantages• Previously, re
Page 28 and 29: Nvidia and ATI• Nvidia provide we
Page 30 and 31: Learning OpenGL• OpenGL Red Book
Page 32 and 33: Catches of OpenGL• Pipelined in v
Page 34 and 35: • Work through example code hereV
Page 36 and 37: Capturing video• Previous example
Page 40 and 41: libDC video capture• The libDC li
Page 42 and 43: Tricks to using DC devices• 2.4 k
Page 44 and 45: Intro to vision tracking• We can
Page 46 and 47: Pulling apart 4x4 matrices• Compu
Page 48 and 49: Using ARToolKit as a tracker• I u
Page 50 and 51: Custom hardware50lca 2005
Page 52 and 53: WCL Project Oxcart• Repair damage
Page 54 and 55: Parallel port• 25-pin D shell con
Page 56 and 57: Serial RS-232• Needs extra hardwa
Page 58 and 59: Cheap hacks• USB mice have three
Page 60 and 61: Conclusion• We have talked about

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