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A technique for creating two-dimensional images from a single sensor element is known as a line-scan camera. A fast spinning mirror or prism is typically placed in front of the sensor to give scanning in one direction, and the movement of the recording medium, often photographic film, provides scanning in the opposite direction.
They vary greatly in form and function, but conceptually they are comparable to drum scanners.
The development of sensitive array sensors in the 1980s and particularly the 1990s had caused the approach to gradually fade away in many applications. They continue to be used for specialised systems that require extremely high resolution or high sensitivity.
Rotating line cameras are used in manufacturing, where they are frequently used to verify printed surfaces like labels on items. Additionally, they serve as the timing devices for events where a “photo finish” is possible.
The Global Line scan imaging module market accounted for $XX Billion in 2021 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2022 to 2030.
A new range of completely integrated, high-speed, and high-resolution line scan imaging modules from Teledyne DALSA is called AxCIS. AxCIS is powered by Teledyne’s new quad linear CMOS image sensors, which deliver up to 120 kHz line rates for mono and 60 kHz x 3 for colour at 900 dpi resolution, providing a lower cost inspection system for many demanding machine vision applications.
Defects can be detected with unprecedented precision using these simple-to-use Contact Image Sensors (CIS), which combine sensors, lenses, and lights all in one. Its distinctive staggered sensor design provides a smooth, 100% image without any interpolation, covering the whole field of view without missing pixels.
A dual exposure mode can be used to create HDR imagery, which improves the dynamic range and the detectability of highly reflective materials.
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