Text: Brian
Canon has developed a 1-inch 4K resolution CMOS, which uses a technology called “specific area exposure”, which is said to provide a dynamic range of up to 24 stops! Of course, this will not be used in general “civilian photography” products, but now that this technology is available, it is possible to use a similar structure to improve the sensor of consumer cameras if necessary in the future.
This is a photosensitive element with a two-layer structure. Under the photosensitive pixels, there is a layer of processor structure, which can perform independent calculations on the captured image information to output more accurate images. The screen will be divided into 736 areas for automatic adjustment of different exposures, and according to the manufacturer, the photosensitive range of this photosensitive element is from 0.1Lux to 2,700,000Lux, which is equivalent to a dynamic range of about 24 stops. It is described that this photosensitive element is suitable for security lenses, such as some pictures that capture indoor and outdoor images at the same time. Using this photosensitive element can clearly display the images on both sides at the same time. This method is especially beneficial for dynamic images. Since different areas are exposed at the same time, compared with some traditional designs of high dynamic range sensor elements that synthesize images taken at different times, the resulting images can be more coherent and clear.
source:Newswitch
