Tests and Measurements of Image Acquisition Characteristics for Image Sensors

In the image sensors, the acquired image often differs from the real image in luminance or chrominance due to fabrication defects or nonlinear characteristics, which often lead to pixel defects or sensor failure. Therefore, the image acquisition characteristics of image sensors should be measured and tested before they are mounted on the target product. In this paper, the standardized test and measurement methods of image sensors are introduced. It applies standard light source to the image sensor under test, and the characteristics of the acquired image is compared with ideal values.





References:
[1] Korea Semiconductor Industry Association, KSIA-2010.0007, “Test of
Image Acquisition Characteristics for Image Sensors”, 2010.
[2] Korea Semiconductor Industry Association, KSIA-2010.0008, “Standard
Image Test for CMOS Image Sensors”, 2010.
[3] Korea Semiconductor Industry Association, KSIA-2010.0009, “Test of
Electrical Characteristics for Image Sensors”, 2010.
[4] Korea Semiconductor Industry Association, KSIA-2010.0010, “Test of
Optical Characteristics for Image Sensor Modules”, 2010.
[5] International commision on Illumination, CIE 1931, “Standard
Colormetric Observers”, 1931.
[6] International commision on Illumination, CIE 1976, “Uniform Color
Spaces”, 1976.