Re: pyro webcam & basicDV
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From: Dan D. <dde...@co...> - 2000-11-16 07:47:32
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Doh, me! It's a Pyro. Of course it will work! Be careful of your bandwidth with multiple cameras of uncompressed video. Won't each camera be using just over 200 Mbs? You can look at libdc, but I don't think it's using video1394. You definitely want to use video1394 for capturing this much data. dan small wrote: > > Hi Dan, > > Thanks for getting back to me. > > I am a software developer for Sandia National Labs robotics center and I > am interested in using the pyro cameras on some of our mobile robots, > as well as using them in lab environments. > > >What applications are you interested in? Do you want to record to disk > >or videoconference over the net? > > Basically I'm interested in doing real-time user interfaces that use > multiple > cameras. Think of unencumbered/uninstrumented passive tracking of major > body parts. > I am really interested in gaming interfaces, but the folks at work want me > to build > other stuff, like sensors for people tracking in robot workcells or on > mobile bots. > So, I won't be going to disk, but will instead be using images captured > synchronously to determine some 3D info regarding position/orientation > and gesture of hands, head, arms, etc.. I'm looking to use 3-4 cameras > simultaneously, which I've been > doing with multiple PCI framegrabber boards & standard NTSC cameras. I > want to go to > 1394 because the cost is lower, and the signal is higher quality. > > > Can't help you here. Is it OHCI compliant? Do you know what chipset it > > uses? It might be visible on the card, or run lspci. > > here are the specs for their basicDV board: > > PYRO Board: > > PYRO: > 1394a compliant OHCI > Isochronous and asynchronous data transfer > Hot plugging > 1394 Ports: 3 ports (2 external, 1 internal) > Connectors: 6 Pin 1394 > Bus Speeds: 100, 200, 400 Mb/sec. > Bus Interface: PCI 2.1 compliant with Bus Mastering > Board Size: 5? long x 3.2? high (13 cm x 8 cm high) > IRQ: An IRQ is required. IRQ can be shared if > motherboard > provides this capability through PCI steering. > # of Devices: Connect up to 63 1394 devices to PYRO. > Connect > to Digital camcorders, 1394 storage devices (hard > drives, > CD-ROM, CD-RW), scanners, speakers, etc. > > Looks good, che no? > > > I'm going to buy this dude too! > > better hurry. they're going like hotcakes. > $129. > > > The writer of video1394 and some others on the devel list are using > > uncompressed cameras for machine vision applications, so there is work > > being done. There is a libdc.sourceforge.net project that provides a > > Digital Camera protocol library. However, there are no readily available > > applications that I'm aware of. > > > > cool. I'll check it out. > > Thanks, > > Dan |