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A frame grabber is an electronic device that captures (i.e., "grabs") individual, digital still frames from an analog video signal or a digital video stream. It is usually employed as a component of a computer vision system, in which video frames are captured in digital form and then displayed, stored, transmitted, analyzed, or combinations of ...
A tourist using a selfie stick near the top of the Pyramid of the Sun at Teotihuacan. A selfie stick is used to take photographs or video by positioning a digital camera device, typically a smartphone, beyond the normal range of the arm. [1]
A key component was a single camera-recorder unit, eliminating a cable between the camera and recorder and increasing the camera operator's freedom. The Betacam used the same cassette format (0.5 inches or 1.3 centimetres tape) as the Betamax, but with a different, incompatible recording format.
Periscope is a live video streaming app for iOS and Android acquired by Twitter before launch in 2015. Yes [14] Yes [15] No Photomath: Photomath is a "camera calculator" for iOS and Android which uses a phone's camera for recognition of mathematical patterns from handwriting or notebooks and displays them directly onscreen. Yes [16] Yes [17] No ...
Rolling shutter describes the process of image capture in which a still picture (in a still camera) or each frame of a video (in a video camera) is captured not by taking a snapshot of the entire scene at a single instant in time but rather by scanning across the scene rapidly, vertically, horizontally or rotationally. Thus, not all parts of ...
The first iPhone to include a front-facing camera was the iPhone 4. [14] In May 2017, the Essential Phone introduced the notch - the removal of part of the display to accommodate the front-facing camera. The iPhone X popularized this concept after its introduction in late 2017. As of 2019, several smartphones incorporate front cameras that pop ...
The earliest known smartphone to feature high dynamic range filming is the Sony Xperia Z, 2013, where frames are arrayed by changing the exposure every two lines of pixels to create a spatially varying exposure (SVE). [13] [14] As of 2019, high-end camera phones can produce video with up to 4K resolution at 60 frames per second for smoothness. [15]
Some cameras use a larger sensor including, at the high end, a pricey full-frame sensor compact camera, such as Sony Cyber-shot DSC-RX1, but have capability near that of a DSLR. A variety of additional features are available depending on the model of the camera. Such features include GPS, compass, barometers and altimeters. [44]