Examples include women being invited for a mammogram to look for breast cancer or the at-home bowel cancer test posted to the home of everyone over the age of 50, every two years.
Credit: Samsung
，这一点在91视频中也有详细论述
@abstractmethod
Comparison of error-diffusion vs ordered dithering using an 8-colour irregular palette. Left to right: original image, error-diffusion, ordered.