Exact(1)
In the experiments presented in this paper, videos were recorded at the frame rate of 20 frames per second with the exposure time for each frame of 8 ms. During camera standby mode, a preview window allowed aiming and focusing of the camera.
Similar(57)
The teaser advert focused on the camera of an unnamed new Lumia smartphone, with close up shots of the lens and flash, and the words "more than your eyes can see" and "the new Nokia Lumia is coming".
The stage has a repeatability accuracy of 0.001 mm, and the z-axis is only used to obtain focuses of the projector and camera during the calibration for 3-D measurement.
The practical depth-of-focus for the camera presented here was measured using a slanted edge to determine the loss at modulation over a range of spatial frequencies most affected by defocus.
But she has deep, dark eyes — time and again, the focus of the camera's gaze — and they widen with perplexity and alarm.
"If you keep the focus of the camera tight enough, you can show gains [from gambling], particularly in the most desperate places," says MrLeone.
And in that capacity he has explored the still-emerging aesthetic possibilities of digital video, using the format to very different effect in "Bubble," "Che" and "The Girlfriend Experience," as well as "The Informant!" The portability and clarity of focus of the camera he used in "Che" made it possible to capture the strain and danger of insurgent combat in a new way.
The goal is to set the focus of the camera to regions where there are faces, in order to avoid incorrect focus priority.
This index is very useful to exactly quantify the error in the estimation of the number of person which are in the focus of the camera, but it does not relate this error to number of people; in fact, the same absolute error can be considered negligible if the number of persons in the scene is high while it becomes significant if the number of person is of the same order of magnitude.
Movies have 120-page screenplays, and the focus of the camera isn't a product but a living, breathing actor — who may have strong feelings about the character they're playing.
The degree of error due to the bending out of the plan of focus of the camera should, therefore, be minimal.
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Justyna Jupowicz-Kozak
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