Patent ID: 8638988

Claim:
A system for movement analysis or tracking of a moving object, wherein the object is provided with a plurality of marker elements actively or passively emitting different colors, and the marker elements respectively emitting in a defined color and with a round or elliptical geometry, the system comprising: at least one camera for recording movements of the object and at least one color image receiver connected to said at least one camera for continuously storing digital color images; a first transformer unit continuously converting the digital color images into RGB images in an RGB color space, so that three color intensities are available for each color pixel; a grayscale image generation unit configured to adopt a maximum of the three color intensities as a grayscale value for each color pixel and continuously storing the grayscale value as a monochrome grayscale image in correspondence with the RGB images; a localization unit configured to exclusively compare each grayscale value with a defined threshold value and to store grayscale values lying above the threshold value as members of a pixel cloud representing a potential marker element; a measurement unit measuring a geometry of each pixel cloud exclusively in the grayscale image and deleting pixel clouds that can be excluded as marker elements; and an identification unit configured to determine a color in the digital color image of the pixel clouds confirmed as marker elements exclusively in the grayscale image.