Patent ID: 9367908
Filing Date: 2016-06-14
CPC Classification: G06T,G11B

Claim Text:
1. A method of modifying the apparent rotation rate of at least one vehicle wheel containing distinct regularly placed areas, in video media, comprising: accessing a sequence of source video images which include the at least one vehicle wheel, wherein the sequence has a frame rate in frames per second, and wherein the at least one vehicle wheel contains a number of distinct regularly placed areas, is coupled to a vehicle moving at a vehicle velocity, has an overall diameter including tires, and has a rotation rate; providing replacement means to replace only wheel areas of each image in the sequence with modified wheel areas, leaving all non-wheel areas of the images unmodified, wherein a wheel area is an area of an image in which a wheel appears, and a modified wheel area is an area of an image in which a modified wheel appears; setting a first value equal to the frame rate divided by the number of distinct regularly placed areas in a single wheel; setting a second value equal to two times a third value representing a human upper rotational motion perception limit; setting a fourth value equal to the vehicle velocity divided by the product of pi and the overall wheel diameter; wherein when the first value is greater than the second value, operating the replacement means whenever the fourth value is greater than the third value in order to replace the wheel areas of each image with modified wheel areas that are rotationally uniform and indistinct so as to appear blurred or unresolved regardless of their rotation rate when viewed in a video display, and wherein when the first value is less than the second value, operating the replacement means to replace the wheel areas of each image with modified wheel areas having at least one of a first and a second property, the first property comprising having a smaller number of distinct regularly placed areas than the number of distinct regularly placed areas in the source video images, and the second property comprising rotating at a rotation rate of the fourth value when viewed on one or more video displays whenever the rotation rate is less than the third value; and producing a new sequence of video images comprising the source video images and the modified wheel images.