A method and apparatus of qualification of an image sensor of the type supplying images in the form of pixels by determining the maximum limit of the number of bad pixels in a given area of the image that can be processed by means for processing the bad pixels; defining a window having the format of the given area; establishing a cartography of the pixels forming an image delivered by the sensor, which indicates the locations of the bad pixels; checking whether a part of the cartography that may contain the window has a set of bad pixels incompatible with the maximum limit; and qualifying or rejecting the sensor depending on the control result.