What is a line scan camera? What is an area scan camera?

  A line scan camera is a camera that uses a line scan image sensor. It presents a line-like, although it is also a two-dimensional image, but it is very long, the length can reach several K, but the width is only a few pixels, usually only two situations use this kind of camera: first, the field of view to be measured is a slender ribbon, which is mostly used for the detection of the cylinder. Second, it requires a great field of view or extremely high precision.

An area scan camera is a camera that can acquire images at once and acquire them in a timely manner. With a wide range of applications, such as area, shape, size, position, and even temperature, this camera can quickly and accurately acquire 2D image information, and has a very intuitive measurement image.

Features of line scan cameras and area scan cameras

Line scan camera: a special industrial camera with only one line of photosensitive elements, so it can be used for continuous detection with high-speed scanning and high resolution, such as metal, plastic, paper and fiber, etc., the measured object moves at a uniform speed, and can process the picture line by line, or form multiple sheets for processing.

Area Scan Camera: Area Scan Camera can easily read more information, including measuring area, shape, size, position, and even temperature.

The difference between a line scan camera and an area scan camera

Area scan camera: It has a wide range of applications, such as area, shape, size, position, and even temperature.

Line scan camera: mainly used in image processing in industrial, medical, scientific research and security fields. Typical areas of application are the inspection of continuous materials such as metals, plastics, paper, and fibers. The object to be inspected is usually moving at a constant speed and is continuously scanned by one or more cameras in succession to achieve a uniform inspection of its entire surface. You can process its images line by line, or with area arrays that are made up of multiple rows. In addition, the line scan camera is ideal for measurement applications, thanks to the high resolution of the sensor, which can accurately measure down to the micron.

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