Methods and apparatus for changing the repetition rate of image

Details Methods and apparatus for changing the repetition rate of image Methods and apparatus for changing the repetition rate of image

1994-12-29

1997-06-24

Sniezek, Andrew L.

Dynamic magnetic information storage or retrieval

Recording for changing duration, frequency or redundant...

360 13, 386 52, 348700, G11B 500

Patent

active

056422393

ABSTRACT:
Methods and apparatus are provided for changing the repetition rate of image data. A correlation value representing similarity between fields or frames of the image data is produced and one or more fields or frames are added to or subtracted from the image data selectively based on the first correlation value to produce output image data having a repetition rate different from an initial repetition rate of the image data. In other aspects, methods and apparatus for detecting that a sequence of field or frame image data intervals represent a still image are provided which compare direct current components of corresponding discrete cosine transformed data blocks of sequential image data intervals to determine a number thereof which are equivalent, and determine that the image data intervals represent a still image when the sum number exceeds a predetermined threshold. In still other aspects, methods and apparatus for detecting a scene change within image data compare direct current components of discrete cosine transformed data blocks of sequential image data intervals to determine the number of such blocks which are equivalent, which is accumulated as a sum. The accumulated sums for sequential pairs of image data intervals are compared so that when their difference exceeds a predetermined value, it is determined that a scene change has occurred.

REFERENCES:
patent: 5479264 (1995-12-01), Ueda et al.

Affiliated with

Also associated with

Rating

Methods and apparatus for changing the repetition rate of image does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Methods and apparatus for changing the repetition rate of image , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Methods and apparatus for changing the repetition rate of image will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-152415