Image
(Redirected from Optical image)
Image is a representation of the external form of a person or thing in art. Images can be created by various methods such as painting, photography, or digital media. The term image is also used in the broader sense of any two-dimensional figure such as a map, a graph, a pie chart, or an abstract design.
Etymology[edit | edit source]
The word "image" comes from the Latin word "imago", which means a representation or likeness. The term was first used in English in the 13th century.
Types of Images[edit | edit source]
There are several types of images, including:
- Photographic Images: These are images created using cameras. The image is formed by a lens focusing light onto a photosensitive surface.
- Digital Images: These are images that are created or manipulated on a computer. They are composed of pixels, which are the smallest units of an image.
- Artistic Images: These are images created by artists, such as paintings, drawings, and sculptures.
- Scientific Images: These are images used in the field of science to illustrate theories, concepts, or observations.
Related Terms[edit | edit source]
- Pixel: The smallest unit of a digital image.
- Resolution: The detail an image holds.
- Aspect Ratio: The proportional relationship between an image's width and height.
- Color Depth: The number of bits used to represent the color of a single pixel in a bitmapped image.
See Also[edit | edit source]
| Image Resources | |
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