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February 2006

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2006.02.11 09:28 "Are tiled tiffs better for large images with large Dpi?", by Michael Dorrian

2006.02.11 15:55 "Re: Are tiled tiffs better for large images with large Dpi?", by Bob Friesenhahn

2006.02.13 16:41 "Re: Are tiled tiffs better for large images with large Dpi?", by Al Eridani

2006.02.13 16:48 "Re: Are tiled tiffs better for large images with large Dpi?", by Bob Friesenhahn

2006.02.13 16:41 "Re: Are tiled tiffs better for large images with large Dpi?", by Al Eridani

On 2/11/06, michael Dorrian wrote:
> I have made a tiled tiff image and i was thinking about using it for
> converting raw data to A3 600X600Dpi images using jpeg compression. In the
> tiff specification it said that tiled tiffs are ideal for large dpi images
> using jpeg compression.

I think the comment points to the fact that for images that are
natural targets for the JPEG compression method, tiled TIFF files 
may be better suited.

Take your average photograph: A rectangle (tile) of pixels in the
middle of the sky, the sea, the grass, a wall, etc. contains a lot 
of redundancy, given that all the pixels are of very similar color.

A strip, covering the scene from the left end to the right one, will
be less uniform.