It allows you to monitor your belongings from any location with access to Internet by turning your computer into a security system. Connect remotely by using other computers or your mobile phone. Broadcast live video to your website. Schedule automatic captures or recordings.
|Système d’exploitation:||Windows, Mac, Android, iOS|
|Licence:||Usage Personnel Seulement|
It allows you to monitor your belongings from any location with access to Internet by turning your computer into a security system. Connect remotely by using other computers or your mobile phone. Broadcast live video to your website. Schedule automatic captures or recordings. Trig specific actions using the motion detector. You can easily use those features among others with webcamXP. It supports a large selection of Network Cameras and is used in multiple industries including national security police, army , aerospace and defense, museums, hotels, shops, zoos and many others.
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Niagara Falls, Canada4. San Francisco, CA8. Cortina d'Ampezzo, Italy7. Images acquired using industrial CT scanning. A webcam installed near Sumburgh Head lighthouse, Shetland A webcam is a video camera that feeds or streams its image in real time to or through a computer to a computer network. When 'captured' by the computer, the video stream may be saved, viewed or sent on to other networks travelling through systems such as the internet, and e-mailed as an attachment.
When sent to a remote location, the video stream may be saved, viewed or on sent there. Unlike an IP camera which connects using Ethernet or Wi-Fi , a webcam is generally connected by a USB cable, or similar cable, or built into computer hardware, such as laptops.
The term 'webcam' a clipped compound may also be used in its original sense of a video camera connected to the Web continuously for an indefinite time, rather than for a particular session, generally supplying a view for anyone who visits its web page over the Internet. Some of them, for example, those used as online traffic cameras, are expensive, rugged professional video cameras.
Contents1 Characteristics2 Uses2. UsesThe most popular use of webcams is the establishment of video links, permitting computers to act as videophones or videoconference stations. Other popular uses include security surveillance, computer vision, video broadcasting, and for recording social videos. The video streams provided by webcams can be used for a number of purposes, each using appropriate software:Health careMost modern webcams are capable of capturing arterial pulse rate by the use of a simple algorithmic trick.
Video monitoringWebcams may be installed at places such as childcare centres, offices, shops and private areas to monitor security and general activity. CommerceWebcams 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. The Webcam Social Shopper is one example of software that utilizes the webcam in this manner.
Improved video quality has helped webcams encroach on traditional video conferencing systems. New features such as automatic lighting controls, real-time enhancements retouching, wrinkle smoothing and vertical stretch , automatic face tracking and autofocus, assist users by providing substantial ease-of-use, further increasing the popularity of webcams. Webcam features and performance can vary by program, computer operating system, and also by the computer's processor capabilities.
Video calling support has also been added to several popular instant messaging programs. Video securityWebcams can be used as security cameras. Software is available to allow PC-connected cameras to watch for movement and sound, recording both when they are detected. These recordings can then be saved to the computer, e-mailed, or uploaded to the Internet.
In one well-publicised case, a computer e-mailed images of the burglar during the theft of the computer, enabling the owner to give police a clear picture of the burglar's face even after the computer had been stolen.
Unauthorized access of webcams can present significant privacy issues see 'Privacy' section below. In December , Russia announced that , Webcams would be installed in 90, polling stations to monitor the Russian presidential election, Various software tools in wide use can be employed for this, such as PicMaster for use with Windows operating systems , Photo Booth Mac , or Cheese with Unix systems.
For a more complete list see Comparison of webcam software. Input control devicesSpecial software can use the video stream from a webcam to assist or enhance a user's control of applications and games. Video features, including faces, shapes, models and colors can be observed and tracked to produce a corresponding form of control.
For example, the position of a single light source can be tracked and used to emulate a mouse pointer, a head-mounted light would enable hands-free computing and would greatly improve computer accessibility. This can be applied to games, providing additional control, improved interactivity and immersiveness. FreeTrack is a free webcam motion-tracking application for Microsoft Windows that can track a special head-mounted model in up to six degrees of freedom and output data to mouse, keyboard, joystick and FreeTrack-supported games.
By removing the IR filter of the webcam, IR LEDs can be used, which has the advantage of being invisible to the naked eye, removing a distraction from the user. TrackIR is a commercial version of this technology. Small webcam-based PC games are available as either standalone executables or inside web browser windows using Adobe Flash.
Astro photographyWith very-low-light capability, a few specific models of webcams are very popular to photograph the night sky by astronomers and astro photographers. The lenses of the cameras are removed and then these are attached to telescopes to record images, video, still, or both. In newer techniques, videos of very faint objects are taken for a couple of seconds and then all the frames of the video are 'stacked' together to obtain a still image of respectable contrast. Laser beam profilingA webcam's CCD response is linear proportional to the incoming light.
The resolution of a laser beam profiler depends on the pixel size. Commercial webcams are usually designed to record color images. However, a color pixel consists of four black and white pixels each equipped with a color filter for details see Bayer filter.
Although these color filters work well in the visible, they may be rather transparent in the near infra-red. The camera was finally switched off on August 22, The final image captured by the camera can still be viewed at its homepage. Jon Garber, the designer of the device, had wanted to call it the 'Mac-camera', but was overruled by Connectix's marketing department; a version with a PC-compatible parallel port and software for Microsoft Windows was launched in October The original QuickCam provided xpixel resolution with a grayscale depth of 16 shades at 60 frames per second, or shades at 15 frames per second.
In , Time Magazine named the QuickCam as one of the top computer devices of all time. Later developmentsOne of the most widely reported-on webcam sites was JenniCam, created in , which allowed Internet users to observe the life of its namesake constantly, in the same vein as the reality TV series Big Brother, launched four years later.
Aggregator websites have also been created, providing thousands of live video streams or up-to-date still pictures, allowing users to find live video streams based on location or other criteria. Around the turn of the 21st century, computer hardware manufacturers began building webcams directly into laptop and desktop screens, thus eliminating the need to use an external USB or FireWire camera. Gradually webcams came to be used more for telecommunications, or videotelephony, between two people, or among several people, than for offering a view on a Web page to an unknown public.
Both sender and receiver of the images must use 3D glasses to see the effect of three dimensional image. Various lenses are available, the most common in consumer-grade webcams being a plastic lens that can be screwed in and out to focus the camera.
Fixed-focus lenses, which have no provision for adjustment, are also available. As a camera system's depth of field is greater for small image formats and is greater for lenses with a large f-number small aperture , the systems used in webcams have a sufficiently large depth of field that the use of a fixed-focus lens does not impact image sharpness to a great extent.
Most consumer webcams are capable of providing VGA-resolution video at a frame rate of 30 frames per second. Support electronics read the image from the sensor and transmit it to the host computer. Some cameras, such as mobile-phone cameras, use a CMOS sensor with supporting electronics 'on die', i.
Most webcams feature built-in microphones to make video calling and videoconferencing more convenient. The USB video device class UVC specification allows interconnectivity of webcams to computers without the need for proprietary device drivers.
PrivacyMany users do not wish the continuous exposure for which webcams were originally intended, but rather prefer privacy. Cameras such as Apple's older external iSight cameras include lens covers to thwart this.
Some webcams have built-in hardwired LED indicators that light up whenever the camera is active, sometimes only in video mode.
However, it is possible for malware to circumvent the indicator and activate the camera surrepticiously, as researchers demonstrated in the case of a MacBook's built-in camera in The remotely activated webcam can be used to watch anything within the webcam's field of vision, sometimes the webcam owner itself. Camfecting is most often carried out by infecting the victim's computer with a virus that can provide the hacker access to the victim's webcam.
This attack is specifically targeted at the victim's webcam, and hence the name camfecting, a portmanteau of the words cam and infecting. In January , some search engine queries were published in an online forum which allow anyone to find thousands of Panasonic- and Axis high-end web cameras, provided that they have a web-based interface for remote viewing. Many such cameras are running on default configuration, which does not require any password login or IP address verification, making them viewable by anyone.
In the Robbins v. Lower Merion School District 'WebcamGate' case, plaintiffs charged that two suburban Philadelphia high schools secretly spied on students - by surreptitiously remotely activating iSight webcams embedded in school-issued MacBook laptops the students were using at home — and thereby infringed on their privacy rights. School authorities admitted to secretly snapping over 66, photographs, including shots of students in the privacy of their bedrooms, including some with teenagers in various state of undress.
They are frequently used in online dating and for online personal services offered mainly by women when camgirling. However, the ease of webcam use through the Internet for video chat has also caused issues.
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