Traditional Culture Encyclopedia - Photography and portraiture - What are ordinary photos and digital photos?

What are ordinary photos and digital photos?

Ordinary photos refer to photos output on photographic paper.

Digital photos are the perfect combination of digital technology and photography technology. The so-called digital representation is usually used in computer science and electronics, especially when real-world information is converted into binary digital form, such as digital audio and digital photos. Signals carrying data are electronic or optical pulses, and each amplitude represents logic 1 (with pulse and/or high) or logic 0 (without pulse and/or low).

Extended data:

Advantages of digital photos

1, which is convenient for color, brightness, sharpness and even special effects processing of photos.

2. It is convenient to copy, spread and share, and the scope and people of * * * are bigger than the traditional negative.

3. The pixel size of photos can be set according to actual needs.

Disadvantages of digital photos:

1, which requires high camera quality, occupies a large space and has high pixels.

2. The magnification is not comparable to that of traditional negatives.

3. The service life of storage media is unstable, such as USB flash drive and CD-ROM drive with limited service life, which has great storage risk.

4, easy to be copied, poor privacy.

Reference: Baidu Encyclopedia-Ordinary Photos

Reference: Baidu Encyclopedia-Digital photos