Lab2 - Department of Electronic Engineering City University...

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By Van TING, Dec 2009 1 Department of Electronic Engineering City University of Hong Kong EE3314 Information Product Design Lab 2 Building Video Surveillance System I. Introduction Upon successful completion of this lab, students should be able to: s Install and use webcam to record video stream s Install and configure Drupal s Publish web contents with Drupal s Integrate motion detection system into Drupal s Install and configure extra modules and themes in Drupal While you have successfully set up a software framework for a web information system, we have not created any contents yet. Traditionally, content of a website is created and maintained by the web administrator. For example, a store releases its new product catalog on its company website. This kind of contents is regarded as static. Nowadays, web development becomes much more dynamic and tends to aggregate contents from different data sources which can be the authors, users or any other participants. For example, a blog is typically composed of articles, comments and some media which are generated by the blogger, readers or other service providers such as YouTube and Flickr . In this laboratory, you will learn to integrate various contents and software tools into your website to realize the functionalities of a video surveillance system. II. Installing and Testing Webcam There are two types of webcam drivers in Ubuntu. Many webcams will just work fine with these drivers but you should know their difference. The first type is USB video device class (UVC) driver. This specification defines USB streaming video protocol and allows for interconnectivity of webcams to computers even without proprietary drivers installed. Recent distributions of Microsoft Windows Vista, Linux and Mac OS X have UVC drivers built in and do not require extra drivers, although they are often installed in order to add additional features. Another type is Non-UVC drivers which do not adhere to the UVC standard but instead use a vendor-specific protocol which is not open to public. As a result, these
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By Van TING, Dec 2009 2 drivers are developed based on reverse-engineered information and distributed by their authors as is. (a) (b) Logitech QuickCam Messenger (a) old version and (b) new version 01. Get a webcam from your lab technician and plug into your EeeBox. Enter the following commands: lsusb lsmod | grep quickcam 02. You should obtain similar outputs as shown above. Note that if you are using different webcam from mine (see the product ID), your device may use different driver module that not necessary be the quickcam_messenger . For instance, the new Logitech QuickCam Messenger uses different hardware which is driven by another driver called spca . 03.
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This note was uploaded on 04/20/2010 for the course ELECTRONIC EE3314 taught by Professor Tingchiwang during the Spring '10 term at École Normale Supérieure.

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Lab2 - Department of Electronic Engineering City University...

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