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8 terms
Photonics Dictionary: B
Clear All Filters x
pixel x
B x
bias frame
A frame taken with a CCD camera over an exposure length of zero seconds with the lens cap on or the shutter closed and no light reaching the sensor. This frame shows the electronic noise in the...
bilinear interpolation
It is often necessary to estimate the value of what a pixel would be between neighboring pixels. This is accomplished by interpolating (or inserting) the value of a pixel between neighboring pixels....
binary thresholding
An imaging technique that labels all gray pixels as either black or white before processing begins.
binning
Combining adjacent pixels into one larger pixel, resulting in increased sensitivity and lower resolution, or, in image analysis, excluding objects based on shape, position or area.
bit boundary block transfer
A data transfer function that moves a rectangular group of pixels between bit maps. Often used in displaying cursors and pop-up windows.
bit mapping
In computer graphics, the assignment of each pixel on a display screen to its own switch in the computer memory.
blob
A group of adjacent pixels in an image representing the same value, as all black in a binary image.
brightness resolution
The degree to which a pixel in a digital image represents the analog brightness of the corresponding point in the original image. It is dependent largely on the number of bits devoted to representing...
Photonics Dictionary
B
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