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C.a.R.– Compass and Ruler (also known as Z.u.L., which stands for the German "Zirkel und Lineal") — is a free and open source interactive geometry app that can do geometrical constructions in Euclidean and non-Euclidean geometry. The software is Java based. The author is René Grothmann of the Catholic University of Eichstätt-Ingolstadt.
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Using an umbrella or softbox (the flash will have to be off-camera for this) makes softer shadows. A typical problem with cameras using built-in flash units is the low intensity of the flash; the level of light produced will often not suffice for good pictures at distances of over 3 metres (10 ft) or so.
Using a teleprompter is similar to using cue cards. The screen is in front of, and usually below, the lens of a professional video camera , and the words on the screen are reflected to the eyes of the presenter using a sheet of clear glass or other beam splitter , so that they are read by looking directly at the lens position, but are not ...
In computer vision the effect is used for computer stereo vision, and there is a device called a parallax rangefinder that uses it to find the range, and in some variations also altitude to a target. A simple everyday example of parallax can be seen in the dashboards of motor vehicles that use a needle-style mechanical speedometer. When viewed ...
The software aspect of the system runs on standard home computer hardware and can be linked to other applications or databases.It first uses a series of image manipulation techniques to detect, normalize and enhance the image of the number plate, and then optical character recognition (OCR) to extract the alphanumerics of the license plate.
The device involves 1.) a vest redistributing the weight of the camera to the hips of the cameraman and, 2.) a spring-loaded arm working to minimize the effects of camera movement. A video tap simultaneously frees the camera operator from the eyepiece, who is then free to travel through any walkable terrain while filming. Story board