tag:blogger.com,1999:blog-3421696680620384348.post8552137908837782737..comments2023-05-20T00:50:01.468-07:00Comments on Digital iVision Labs!: Recording a Video From Webcam Using MATLAB CodeUnknownnoreply@blogger.comBlogger59125tag:blogger.com,1999:blog-3421696680620384348.post-66278449371881992822017-05-16T06:42:49.151-07:002017-05-16T06:42:49.151-07:00
Hello, Sir
I am working on CMOS camera as a recei...<br />Hello, Sir<br />I am working on CMOS camera as a receiver. i need OOK Matlab coding for modulating and demodulate data. I am very thankful for you if you help me in this part.Anonymoushttps://www.blogger.com/profile/00247823061161154315noreply@blogger.comtag:blogger.com,1999:blog-3421696680620384348.post-5613463808039046042016-04-13T01:46:43.179-07:002016-04-13T01:46:43.179-07:00Hi sir!!!!
Can u plz send me a code for real time ...Hi sir!!!!<br />Can u plz send me a code for real time capturing? I need it for real time object detection.I'm using Matlab R2015a.The code should capture the video,convert it to frames and detect the object. Anonymoushttps://www.blogger.com/profile/17991105520430604655noreply@blogger.comtag:blogger.com,1999:blog-3421696680620384348.post-30258427405514706722016-02-10T06:43:49.198-08:002016-02-10T06:43:49.198-08:00Sir, I want to do this code for real time video. C...Sir, I want to do this code for real time video. Can you help??? PleaseMastertechRajhttps://www.blogger.com/profile/15422574805489424107noreply@blogger.comtag:blogger.com,1999:blog-3421696680620384348.post-73755327191636089562016-01-13T09:17:01.828-08:002016-01-13T09:17:01.828-08:00Hi, Give me some more details, so that I can help....Hi, Give me some more details, so that I can help.Vibhuteshhttps://www.blogger.com/profile/12388954476180079401noreply@blogger.comtag:blogger.com,1999:blog-3421696680620384348.post-16606395370615991172016-01-13T09:16:50.016-08:002016-01-13T09:16:50.016-08:00Hi, Give me some more details, so that I can help....Hi, Give me some more details, so that I can help.Vibhuteshhttps://www.blogger.com/profile/12388954476180079401noreply@blogger.comtag:blogger.com,1999:blog-3421696680620384348.post-45474911346642085072016-01-13T09:16:40.408-08:002016-01-13T09:16:40.408-08:00Hi, Give me some more details, so that I can help....Hi, Give me some more details, so that I can help.Vibhuteshhttps://www.blogger.com/profile/12388954476180079401noreply@blogger.comtag:blogger.com,1999:blog-3421696680620384348.post-2411900107187004442016-01-12T21:56:00.815-08:002016-01-12T21:56:00.815-08:00Sir,I have got stuck in trigger configuration. Can...Sir,I have got stuck in trigger configuration. Can you help me?Anonymoushttps://www.blogger.com/profile/12139196250103562401noreply@blogger.comtag:blogger.com,1999:blog-3421696680620384348.post-38221088354356079592016-01-12T21:35:00.854-08:002016-01-12T21:35:00.854-08:00Sir, I got stuck at trigger configuration . Can yo...Sir, I got stuck at trigger configuration . Can you help me?<br />Anonymoushttps://www.blogger.com/profile/12139196250103562401noreply@blogger.comtag:blogger.com,1999:blog-3421696680620384348.post-27253300722622607432016-01-12T21:34:04.508-08:002016-01-12T21:34:04.508-08:00Sir, I got stuck at trigger configuration . Can yo...Sir, I got stuck at trigger configuration . Can you help me?<br />Anonymoushttps://www.blogger.com/profile/12139196250103562401noreply@blogger.comtag:blogger.com,1999:blog-3421696680620384348.post-40936159975998401532015-10-23T03:29:22.263-07:002015-10-23T03:29:22.263-07:00You need to search file-exchange at matlabcentral,...You need to search file-exchange at matlabcentral, if something like that exist. Other wise you need to build the same. I guess playing and pausing MATlAB GUI you could be able to find.<br />Of you have MATLAB IMAQ, it most probably have that feature.Vibhuteshhttps://www.blogger.com/profile/12388954476180079401noreply@blogger.comtag:blogger.com,1999:blog-3421696680620384348.post-33118296526224337452015-10-23T03:19:44.003-07:002015-10-23T03:19:44.003-07:00Sir I want a code that records a video form extern...Sir I want a code that records a video form external webcam for GUI. Also start and stop of video should be manual. Can u please suggest the code for the same ?Anonymoushttps://www.blogger.com/profile/08368350348831385693noreply@blogger.comtag:blogger.com,1999:blog-3421696680620384348.post-57214424993753071862015-10-08T20:33:48.726-07:002015-10-08T20:33:48.726-07:00Thank you very much for your previous replies.
I h...Thank you very much for your previous replies.<br />I have one new problem now, you told that to increase the length of recorded video just change(increase) the value of capturetime variable but it seems to have to have no effect.<br />Any solution?Anonymoushttps://www.blogger.com/profile/03125389547486550213noreply@blogger.comtag:blogger.com,1999:blog-3421696680620384348.post-59992405977381582432015-10-08T04:57:25.551-07:002015-10-08T04:57:25.551-07:00Yes, its flushdata.
You need to use it like, flush...Yes, its flushdata.<br />You need to use it like, flushdata(object_created), it will flush the memory content of "object_created" object.Vibhuteshhttps://www.blogger.com/profile/12388954476180079401noreply@blogger.comtag:blogger.com,1999:blog-3421696680620384348.post-19691144582577733992015-10-08T04:56:01.929-07:002015-10-08T04:56:01.929-07:00Using flushdata?
how to use flushdata?
Using flushdata?<br /><br />how to use flushdata?<br />Anonymoushttps://www.blogger.com/profile/03125389547486550213noreply@blogger.comtag:blogger.com,1999:blog-3421696680620384348.post-68525459861154490282015-10-08T04:53:43.938-07:002015-10-08T04:53:43.938-07:00Ok i incresed the limit.
but i want to know to dea...Ok i incresed the limit.<br />but i want to know to deallocate the space which is already taken up and not required for processing in order to save memory.Anonymoushttps://www.blogger.com/profile/03125389547486550213noreply@blogger.comtag:blogger.com,1999:blog-3421696680620384348.post-71133642990476809602015-10-08T04:51:36.811-07:002015-10-08T04:51:36.811-07:00Use it like this,
imaqmem(LIMIT)
say for example,...Use it like this,<br />imaqmem(LIMIT)<br /><br />say for example, imaqmem(2.0e+09)Vibhuteshhttps://www.blogger.com/profile/12388954476180079401noreply@blogger.comtag:blogger.com,1999:blog-3421696680620384348.post-37897904893257659722015-10-08T04:44:54.991-07:002015-10-08T04:44:54.991-07:00HOW to do it?
on typing imaqmem shows:
MemoryLoa...HOW to do it?<br /><br />on typing imaqmem shows:<br /> MemoryLoad: 76<br /> TotalPhys: 4.2235e+09<br /> AvailPhys: 981590016<br /> TotalPageFile: 5.4609e+09<br /> AvailPageFile: 846770176<br /> TotalVirtual: 1.4074e+14<br /> AvailVirtual: 1.4073e+14<br /> FrameMemoryLimit: 1.0000e+09<br /> FrameMemoryUsed: 999936000<br />Anonymoushttps://www.blogger.com/profile/03125389547486550213noreply@blogger.comtag:blogger.com,1999:blog-3421696680620384348.post-74513726125185435642015-10-08T04:37:11.370-07:002015-10-08T04:37:11.370-07:00Your MATLAB is running out of memory. Use IMAQMEM ...Your MATLAB is running out of memory. Use IMAQMEM to modify the frame memory limit.<br />Vibhuteshhttps://www.blogger.com/profile/12388954476180079401noreply@blogger.comtag:blogger.com,1999:blog-3421696680620384348.post-40013300535055316322015-10-08T04:32:11.084-07:002015-10-08T04:32:11.084-07:00Now i am getting new error
Unable to allocate mem...Now i am getting new error <br />Unable to allocate memory for an incoming image frame. Use IMAQMEM to modify the frame<br />memory limit.<br /><br />Please help and thnx for quick reply to previous question.Anonymoushttps://www.blogger.com/profile/03125389547486550213noreply@blogger.comtag:blogger.com,1999:blog-3421696680620384348.post-50196297127266327852015-10-08T04:24:52.134-07:002015-10-08T04:24:52.134-07:00set "avi = close(avi);" as only "cl...set "avi = close(avi);" as only "close(avi)". Since this command doesn't have any output argument.Vibhuteshhttps://www.blogger.com/profile/12388954476180079401noreply@blogger.comtag:blogger.com,1999:blog-3421696680620384348.post-33085832982724820292015-10-07T22:08:10.926-07:002015-10-07T22:08:10.926-07:00Sir i replaced the code line:avi = avifile('ti...Sir i replaced the code line:avi = avifile('timelapsevideo.avi','fps',framerate);<br />with this:avi = VideoWriter('C:\Users\HP\Desktop\PICS USED\timelapsevideo','Uncompressed AVI'); <br />as i didn't have the required permission.<br />But now i am getting following error:<br /><br />Error using VideoWriter/close<br />Too many output arguments.<br /><br />Error in videocapture (line 54)<br />avi = close(avi);Anonymoushttps://www.blogger.com/profile/03125389547486550213noreply@blogger.comtag:blogger.com,1999:blog-3421696680620384348.post-72154218545582761782015-05-04T02:10:32.792-07:002015-05-04T02:10:32.792-07:00Explicitly helping in coding will not be possible ...Explicitly helping in coding will not be possible for me. But yes I could help, if you got struck somewhere.Vibhuteshhttps://www.blogger.com/profile/12388954476180079401noreply@blogger.comtag:blogger.com,1999:blog-3421696680620384348.post-45739084299479112172015-04-23T06:31:49.262-07:002015-04-23T06:31:49.262-07:00Sir, we are working on a project in which a camera...Sir, we are working on a project in which a camera will be sent in a pipeline which will send video input to matlab and detection of cracks inside pipe will done by matlab. Can you help us out with the coding sir?Parshva Mehtahttps://www.blogger.com/profile/00214401121249429675noreply@blogger.comtag:blogger.com,1999:blog-3421696680620384348.post-81220210523347980492015-03-28T02:27:14.915-07:002015-03-28T02:27:14.915-07:00Hello,
Motion detection through a webcam is possib...Hello,<br />Motion detection through a webcam is possible in matlab. But sincerely advising you against it, since it will be very slow to be considered as Real Time.<br />Controlling device is also possible thorough MATLAB, but I have till now only tried with mouse & keyboard. Vibhuteshhttps://www.blogger.com/profile/12388954476180079401noreply@blogger.comtag:blogger.com,1999:blog-3421696680620384348.post-11117545764745984502015-03-27T04:23:56.284-07:002015-03-27T04:23:56.284-07:00Sir, I want a webcam or an external camera to work...Sir, I want a webcam or an external camera to work( start recording video or take photos) only when it detects motion of some object in its range.Can we control this ON and OFF of the camera using MATLAB and how?Vanajakshi Kodavatihttps://www.blogger.com/profile/09762042565864788989noreply@blogger.com