Noise removal algorithm of optical sensor and visibility calculation method thereof

The invention discloses a noise removal algorithm of an optical sensor. The noise removal algorithm of the optical sensor is realized through the following steps of 1, firstly calculating the number of actually received photons, 2, carrying out linear regression on the number Ci of received photons in the step 1 and an output light intensity value Ii by utilizing a mathematical statistical method, and calculating Bi = Cr0, and 3, calculating the truth value of the number of received photons of the receiving device of the photoelectric sensor. According to the noise removal algorithm of the optical sensor, the truth value of the number of received photons is used for calculating the possible detection device, so that the calculation is relatively accurate; when the detection device calculates the numerical value of the photoelectric sensor, the numerical value of noise generated by the change of the environment temperature can be removed. The noise removal algorithm can be applied to different detection device