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An image scanner—often abbreviated to just scanner—is a device that optically scans images, printed text, handwriting or an object and converts it to a digital image. Commonly used in offices are variations of the desktop flatbed scanner where the document is placed on a glass window for scanning.
- Scanner - Wikipedia
Image scanner, which digitizes a two-dimensional image. 3D...
- 3D scanning - Wikipedia
3D scanning is the process of analyzing a real-world object...
- Scanner - Simple English Wikipedia, the free encyclopedia
An automated spotlight. A biometric scanner, an electronic...
- Image scanner - Simple English Wikipedia, the free encyclopedia
In computing, an image scanner is a device used to transfer...
- Scanner - Wikipedia
Image scanner, which digitizes a two-dimensional image. 3D scanner, which digitizes the three-dimensional shape of a real object. Motion picture film scanner, which scans original film for storage as a digital file. Barcode reader, which reads the data encoded in a barcode.
In computing, an image scanner is a device used to transfer images or text into a computer. There are special models for scanning photo negatives, or to scan books. In the computer, the signal from the scanner is transferred to a digital image. This image can then be edited, printed, etc.
3D scanning is the process of analyzing a real-world object or environment to collect three dimensional data of its shape and possibly its appearance (e.g. color). The collected data can then be used to construct digital 3D models .
Within the field of 3D object scanning, laser scanning (also known as lidar) combines controlled steering of laser beams with a laser rangefinder. By taking a distance measurement at every direction the scanner rapidly captures the surface shape of objects, buildings and landscapes.
A barcode reader or barcode scanner is an optical scanner that can read printed barcodes and send the data they contain to computer. Like a flatbed scanner , it consists of a light source, a lens, and a light sensor for translating optical impulses into electrical signals.
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An automated spotlight. A biometric scanner, an electronic device with a sensor to read patterns or images from faces, irises and finger pads to create a biological template or profile. WikiScanner, a tool that provides a searchable database of anonymous Wikipedia edits.
