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Groups > comp.lang.php > #9832
| From | Norman Peelman <npeelman@cfl.rr.com> |
|---|---|
| Newsgroups | comp.lang.php |
| Subject | Re: Read info from webcam video |
| Date | 2013-06-20 19:08 -0400 |
| Organization | A noiseless patient Spider |
| Message-ID | <kq01nu$uvb$1@dont-email.me> (permalink) |
| References | <5e27f6e2-479b-466d-b819-910dbb58cfb5@googlegroups.com> <kpuutv$ptq$1@dont-email.me> |
On 06/20/2013 09:14 AM, Jerry Stuckle wrote: > On 6/20/2013 5:35 AM, dandi.box@gmail.com wrote: >> I've a video Wi-Fi Cam. >> >> In the room there is a small light that can be flashing. >> >> Is there a way for read image using PHP pages and know is this light >> is flashing or not? >> >> Thanks >> > > As Peter said, not easily. If this is an IP camera, you could connect > to the camera and read the stream. Depending on the format of the > stream (i.e is it H.264?), you may have to decode it. Then using the gd > functions, isolate the area containing the light and determine the > brightness of the pixels. Repeat for multiple frames and compare the > results. > > As I said - not easy. It would be much easier to hook into whatever is > triggering the flashing light and sense that. > I kinda thought that most IP type cameras offered this type of operation onboard? I know my AXIS does... -- Norman Registered Linux user #461062 -Have you been to www.php.net yet?-
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Read info from webcam video dandi.box@gmail.com - 2013-06-20 02:35 -0700
Re: Read info from webcam video "Peter H. Coffin" <hellsop@ninehells.com> - 2013-06-20 07:30 -0500
Re: Read info from webcam video Jerry Stuckle <jstucklex@attglobal.net> - 2013-06-20 09:14 -0400
Re: Read info from webcam video Norman Peelman <npeelman@cfl.rr.com> - 2013-06-20 19:08 -0400
Re: Read info from webcam video Jerry Stuckle <jstucklex@attglobal.net> - 2013-06-20 19:40 -0400
Re: Read info from webcam video The Natural Philosopher <tnp@invalid.invalid> - 2013-06-20 14:23 +0100
Re: Read info from webcam video Norman Peelman <npeelman@cfl.rr.com> - 2013-06-20 19:14 -0400
Re: Read info from webcam video Jerry Stuckle <jstucklex@attglobal.net> - 2013-06-20 19:44 -0400
Re: Read info from webcam video "Peter H. Coffin" <hellsop@ninehells.com> - 2013-06-20 21:31 -0500
Re: Read info from webcam video Norman Peelman <npeelman@cfl.rr.com> - 2013-06-21 06:14 -0400
Re: Read info from webcam video "Peter H. Coffin" <hellsop@ninehells.com> - 2013-06-22 12:52 -0500
Re: Read info from webcam video Jerry Stuckle <jstucklex@attglobal.net> - 2013-06-21 10:53 -0400
Re: Read info from webcam video Jerry Stuckle <jstucklex@attglobal.net> - 2013-06-20 19:45 -0400
Re: Read info from webcam video Denis McMahon <denismfmcmahon@gmail.com> - 2013-06-21 11:37 +0000
Re: Read info from webcam video The Frog <Mr.frog.to.you@googlemail.com> - 2013-06-23 08:55 +1000
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