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pixel |
Also found in: Medical, Wikipedia, Hutchinson | 0.65 sec. |
pixelin full picture elementSmallest resolved unit of a video image that has specific luminescence and colour. Its proportions are determined by the number of lines making up the scanning raster (the pattern of dots that form the image) and the resolution along each line. In the most common form of computer graphics, the thousands of tiny pixels that make up an individual image are projected onto a display screen as illuminated dots that from a distance appear as a continuous image. An electron beam creates the grid of pixels by tracing each horizontal line from left to right, one pixel at a time, from the top line to the bottom line. A pixel may also be the smallest element of a light-sensitive device, such as cameras that use charge-coupled devices (see CCD). (PIX [picture] ELement) Generally, the smallest addressable unit on a display screen or bitmapped image. Screens are rated by their number of horizontal and vertical pixels; for example, 1024x768 means 1024 pixels are displayed in each row, and there are 768 rows (lines). Likewise, bitmapped images are sized in pixels: a 350x250 image has 350 pixels across and 250 down.
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FPS 30fps (640x480) 30fps (352x288) Square Pixels Comp. A high-speed, high-resolution version incorporates a 6k or 8k sensor with 7 micron square pixels, and four outputs delivering up to 160 MHz. The CAMELIA M1 8M (black and white) and CAMELIA C1 8M (color), based on a large format (close to 35mm film size) progressive scan CCD featuring 2300 (H) x 3500 (V) or 8 million square pixels, has been improved on electro-optical performance, in particular by reducing power consumption, using a new front panel and an internal heat sink. |
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