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1/20 sec (0.05) F-number: f/3.4: ISO speed rating: 400: Date and time of data generation: 20:55, 5 October 2014: Lens focal length: 4.5 mm: Orientation: Normal: Software used: Microsoft Windows Photo Viewer 6.1.7600.16385: File change date and time: 21:01, 5 October 2014: Y and C positioning: Co-sited: Exposure Program: Normal program: Exif ...
Image:Dragon curve iterations 1,2,3,4,5,9.svg: Licensing. Public domain Public domain false false: I, the copyright holder of this work, release this work into the ...
Heighway dragon curve. A dragon curve is any member of a family of self-similar fractal curves, which can be approximated by recursive methods such as Lindenmayer systems.The dragon curve is probably most commonly thought of as the shape that is generated from repeatedly folding a strip of paper in half, although there are other curves that are called dragon curves that are generated differently.
Original file (SVG file, nominally 351 × 301 pixels, file size: 1 KB) This is a file from the Wikimedia Commons . Information from its description page there is shown below.
Consider 4 points on a circle in the original image (left). The circle Hough transform is shown in the right. Note that the radius is assumed to be known. For each (x,y) of the four points (white points) in the original image, it can define a circle in the Hough parameter space centered at (x, y) with radius r.
The image circle is the cross section of the cone of light transmitted by a lens or series of lenses onto the image plane. When this light strikes a perpendicular target such as photographic film or a digital camera sensor, it forms a circle of light – the image circle. Various sensor aspect ratios may be used which all fit inside the same ...
[4] FF: Full frame, where the image sensor is approximately the same size as a 35 mm film: 36 × 24 mm. FP: Focal plane. A shutter that opens and closes near to the film or image sensor, usually as a fast-moving slit, as contrasted with a bladed/leaf shutter located near a nodal point of a lens. [12] FPA: Focal plane array. A matrix of sensors ...
An arc of a circle with the same length as the radius of that circle corresponds to an angle of 1 radian. A full circle corresponds to a full turn, or approximately 6.28 radians, which is expressed here using the Greek letter tau (τ). Some special angles in radians, stated in terms of 𝜏. A comparison of angles expressed in degrees and radians.