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Definitions
Directory
Dictionary > Definitions > Multimedia > Bitmap
Bitmap
Definition
The image bitmap is composed of a whole of points called pixels, of which the values of each one describe the color and the intensity
Description
The appearance of an image bitmap depends on its definition and the resolution of posting of the screen. It badly supports the operations of redimensioning which result in a loss of information. At the beginning, the screens of computer being monochromic, a bit was enough to describe the color: "0" for white, "1" for black. With the arrival of the color, several bits were allocated at each point of image. More the image comprises colors and pixels, more its weight increases, each point being coded and being digitized. The image bitmap is opposed to the vectorial image, calculated starting from mathematical functions. Format AVI can be read with Windows Media Player. The bridges are often a little larger and aim at an informed public. They profit from zoom optics often more powerful, generally of 10x or 12x. In complement of the automatic modes and canned, the bridges are disengageable and offer a complete manual control. The numerical reflex cameras are different by an optical aiming directly through the objective, and by interchangeable objectives. Their sensor greater more significant east, these apparatuses give images of higher quality. Moreover their last technological projections finished by convincing the professionals and impassioned accros of silver to change for a numerical reflex camera with many accessories flash, grip, memory board, and objectives.
Author
aziz
Author Email
azizjipsbd@yahoo.com