They have also become a source of security and privacy issues, as some built-in webcams can be remotely activated by spyware.
The most popular use of webcams is the establishment of video links, permitting computers to act as videophones or videoconference stations.
Webcams have been used for augmented reality experiences online.
One such function has the webcam act as a "magic mirror" to allow an online shopper to view a virtual item on themselves.
Name: 'Logitech HD Pro Webcam C920' Resolution: '640x480' Available Resolutions: White Balance: 4000 Saturation: 128 Exposure: -4 Zoom: 100 Gain: 0 Focus: 0 Brightness: 100 Tilt: 0 Contrast: 128 Sharpness: 128 Pan: 0 Exposure Mode: 'auto' Backlight Compensation: 0I am using 2015b on Windows 10. I have 2 webcams - the notebook inbuilt webcam and a C920 Logitech external camera. I made sure that these apps were closed while trying to capture images. Can you also confirm that other apps that might be using the webcam(like Skype/ Logitech software) are closed before you run this in MATLAB?