Scan line to block re-ordering buffer for image compression

Details Scan line to block re-ordering buffer for image compression Scan line to block re-ordering buffer for image compression

2005-08-03

2009-02-24

Couso, Jose L (Department: 2624)

Image analysis

Image compression or coding

Reexamination Certificate

active

07496235

ABSTRACT:
A re-order buffer memory in a real-time application such as e.g., an imager. Initially, input data is written into the re-order buffer using a first addressing mode, which causes the data to be stored in a line-by-line manner. Prior to receiving the last line of input data, the stored data is read-out in blocks of data that spans multiples lines in the buffer. This frees up space in the re-order buffer. Subsequently received input data is written into the re-order buffer using a second addressing mode, which stores the newly received data in vertical segments of the re-order buffer whose stored data has already been read-out. Writing/reading of the re-order buffer alternates between the first and second addressing modes. Using this technique, a single buffer may be used to input new data while existing data is being read-out.

REFERENCES:
patent: 5239388 (1993-08-01), Matsumoto
patent: 5450599 (1995-09-01), Horvath et al.
patent: 5777755 (1998-07-01), Aoki et al.
patent: 6636222 (2003-10-01), Valmiki et al.
patent: 2004/0042668 (2004-03-01), Kaplinsky et al.

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