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Endoscopic camera is widely used in otolaryngology, urology, gynecology, ophthalmology, orthopedics, neurosurgery, aesthetic plastic surgery and other departments clinically. It is suitable for various endoscopic fields such as otoscope, sinusoscope, nasopharyngoscope, laparoscope, hysteroscope, arthroscopy, intervertebral foramina, fiberbronchoscope, etc.
At present, most endoscope cameras use CMOS image sensor, and some use CCD image sensor. Why do more and more endoscope cameras use COMS image sensor?
What are the advantages?
Let's see.
Endoscope camera: What are the advantages of CMOS image sensor?
1. Random window reading ability: Random window reading operation is an aspect that CMOS image sensor is superior to CCD in function, also known as region of interest selection. In addition, CMOS image sensor's high integration feature makes it easy to open multiple tracking Windows at the same time.
2. Radiation resistance: In general, the potential radiation resistance of CMOS image sensor is significantly enhanced compared with that of CCD.
3. System complexity and reliability: CMOS image sensor can greatly simplify the hardware structure of the system.
4. Non-destructive data reading method.
5. Optimized exposure control: It is worth noting that, due to the integration of multiple functional transistors in the pixel structure, the CMOS image sensor also has several disadvantages, mainly including noise and filling rate.
Due to the relatively superior performance of CMOS image sensor, CMOS image sensor has been widely used in various fields.
Why are more and more endoscope cameras using COMS image sensors?
The technology of CCD technology chip is complex and cannot be compatible with the standard technology. Secondly, THE VOLTAGE consumption of THE CCD technology chip is high, so the CCD technology chip is expensive and inconvenient to use.
The CMOS technology on CMOS image sensor chip, image acquisition unit and signal process unit can be integrated into the same chip, compared with the conventional CCD image system, the whole image system integration on a chip not only reduces the power consumption, but also has a lighter weight, take up the space to reduce the advantages of lower prices and overall, and it is suitable for mass production, is suitable for the requirements of small size, low price, the camera quality is too high requirements.
