Abstract: A method for identifying a cause of blockage in a sequence of images provided by a camera of a vehicle, the method comprising iteratively: S10) acquiring an image of the camera; successively acquired images forming a sequence of images; S20) detecting a blockage in last images of the sequence of images; S60) determining whether it is day-time or night-time based on time information; if it is determined that it is night-time: S82) determining whether toggling front light(s) of the vehicle on/off causes a change in images acquired by the camera; and S84) in this case, determining that for the current iteration, the cause of the blockage is presumably the road being dark. A computer program for performing said method, a computer-readable recording medium containing such computer program, a driving assistance system capable of executing said method.

Abstract: A method for identifying a cause of blockage in a sequence of images provided by a camera of a vehicle, the method comprising iteratively: S10) acquiring an image of the camera; successively acquired images forming a sequence of images; S20) detecting a blockage in last images of the sequence of images; S60) determining whether it is day-time or night-time based on time information; if it is determined that it is night-time: S82) determining whether toggling front light(s) of the vehicle on/off causes a change in images acquired by the camera; and S84) in this case, determining that for the current iteration, the cause of the blockage is presumably the road being dark. A computer program for performing said method, a computer-readable recording medium containing such computer program, a driving assistance system capable of executing said method.

Abstract: A method for identifying a cause of blockage in a sequence of images provided by a camera of a vehicle, the method comprising iteratively performing steps of: S10) acquiring an image of the camera; successively acquired images thus forming said sequence of images; S20) detecting a blockage in last images of the sequence of images; S60) determining whether it is day-time or night-time based on time information; S70) if it is determined that it is day-time, S72) determining whether outside temperature is below a low temperature threshold, and if it is the case, S73) determining that for the current iteration, the cause of the blockage is presumably icing or fogging. A computer program for performing said method, a computer-readable recording medium containing such computer program, a driving assistance system capable of executing said method.