tag:blogger.com,1999:blog-68081699275816520272012-02-16T07:00:49.651-08:00infohttp://www.blogger.com/profile/01194207975279476623noreply@blogger.comBlogger2125tag:blogger.com,1999:blog-6808169927581652027.post-19061345363261139512011-11-21T13:18:00.000-08:002011-11-21T13:21:39.264-08:00<div dir="ltr" style="text-align: left;" trbidi="on">Motion Detection is one of the most popular features of any surveillance DVR. In fact, if we will only record once motion occurs, not always, we could save up a lot of hard drive space.<br /><br />Usually Motion Detection is implemented as follows:<br /><br /><ol style="text-align: left;"><li>The software remembers previous video frame(s) and compares it with the current one.</li><li>In case there are no differences, nothing should be done</li><li>In case there is a difference, an action should be performed (record video, run the program or take snapshot)</li></ol></div><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6808169927581652027-1906134536326113951?l=www.sectorsurveillance.com' alt='' /></div>infohttp://www.blogger.com/profile/01194207975279476623noreply@blogger.com0tag:blogger.com,1999:blog-6808169927581652027.post-30488518168356054842011-06-26T03:13:00.000-07:002011-06-26T03:15:16.926-07:00<span class="Apple-style-span" style="font-family: arial, sans-serif; "><span title="Видеонаблюдение это динамично развивающаяся область разработки программного обеспечения и разработки алгоритмов." style="background-color: rgb(235, 239, 249); ">Video surveillance is a rapidly growing area of ​​software development and research. </span><span title="В общем случае постановка задачи выглядит следующим образом: установленная в помещении или на улице камера передает видео сигнал на вход программного обеспечения, которое detects motion, faces and probably stores that to video archieve." style="background-color: rgb(255, 255, 255); ">In general, the problem statement is as follows: installed in indoor or outdoor camera transmits video signal to the software, which detects motion, faces and probably stores that video to archieve.<br /><br /></span><span title="Сложности с которыми сталкивается средний разработчик video surveillance включают: тени от деревьев, изменяющиеся условия освещенности и возможно действия злоумышленников (camera tampering)." style="background-color: rgb(255, 255, 255); ">Difficulties faced by an average developer of video surveillance include: shades from trees, changing lighting conditions and camera tampering.</span></span><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6808169927581652027-3048851816835605484?l=www.sectorsurveillance.com' alt='' /></div>Developerhttp://www.blogger.com/profile/00564115194280131111noreply@blogger.com0