Posts Tagged ‘Electronics’
Digital Photograpy
A digital image can be obtained from a traditional photography with a device called a scanner that handles make this photograph in a computer file. We can also obtain this file through a digital camera that will save the job of scanning.
Photographs, whether analog or digital, are composed of a mosaic of colored dots. In traditional photography point material is a particle of light-sensitive physical andchemically reacted. In digital photography, the scene is decomposed into a grid of points. Each of these points receives a numerical code based on their values of brightness and chromaticity. Each of these is a pixel, and has been the smallest unit of information in a digital image and its very essence.
Advantages of digital photography
- There are fewer impediments to take a picture because of its lower cost.
- It is not necessary to use movies, all you eat is battery power.
- Provides instant gratification.
- Can be handled immediately.
- Is not necessary or darkroom or chemical contaminants.
- It is easy to learn the method of trial and error. Furthermore, taking more shots thana conventional one.
- No degradation over time.
- It can be transmitted via the Internet easily.
- You can obtain copies of high quality.
- Can be sent directly to the printer.