Cutting-Edge CMOS Sensors Cutting-Edge CMOS Sensors

Cutting-Edge CMOS Sensors

Canon has developed CMOS sensor technology from the ground up for its digital SLR cameras.
Bringing greater convenience and safety to the world by making visible that which could not be seen before.

2019/7/11Featured Technology

#Network cameras#Industrial equipment technologies#Imaging technologies#Mechanical engineering#Electrical engineering#Computer science#Physics#Chemistry#Semiconductors

CMOS Sensor Featuring a Global Shutter

CMOS Sensor Captures Fast-Moving Subjects without Distortion

An issue facing conventional CMOS sensors, which sequentially expose pixels one row at a time, is that fast-moving subjects can become distorted in the image produced.

To that end, Canon has implemented a newly developed scanning method that exposes all of the sensor’s pixels at the same time. This makes possible the capture of distortion-free images even when shooting fast-moving subjects, which is required for such industrial applications as product inspection. Although there were initial concerns about the power consumption necessary to achieve a high frame rate of 120 frames per second with a full-frame readout, a low power consumption was achieved using proprietary Canon circuit technology. What’s more, as less heat is generated by the sensor, the camera body doesn’t need to be made larger to accommodate a heat sink, allowing for more compact camera designs.The sensor has strong potential for use in cameras that inspect parts on belt conveyors at factories and for aerial cameras mounted on drones.




Photo taken with rolling shutter


Photo taken with global shutter

Ultra-high-Sensitivity 35mm Full-frame CMOS sensor

A CMOS Sensor Capable of Clear Color-Image Capture by the Light of a Crescent Moon

From surveillance to observing natural phenomena, there is a growing need to capture video in the dark. By increasing size of the sensor’s pixels, allowing them to capture more light, Canon has developed an ultra-high-sensitivity sensor capable of Full HD video capture in color with reduced noise, even in low-light environments where subjects would be difficult to discern with the naked eye.
This CMOS sensor features pixels measuring 19 μm (μm=micron, one millionth of a meter) square, which is more than 7.5-times the surface area of the pixels on the CMOS sensors incorporated into Canon’s top-of-the-line EOS-1D X Mark II and other DSLR cameras.

The sensor makes possible video capture with as little as 0.001 lux of illumination, roughly the equivalent of starlight, and was even used to successfully capture footage of a rare phenomenon known as a moonbow, a rainbow produced by moonlight.
The sensor is expected to be used for such applications as astronomical observation, monitoring natural disasters, crime prevention and the observation of microorganisms in low light, as well as for wildlife photography and video production.



Comparison of images captured under identical conditions

image image

Captured using a typical professional-use video camcorder

image image

Captured using the Canon ME20F-SH ultra-high-sensitivity multi-purpose camera

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