tiff2pdf looses information?

[Paul Smith]

On 8/13/06, Matt Beals <matt at mattbeals.com> wrote:
> A PDF can most certainly use image compression. Most often it uses medium
> quality JPEG. Depending on how the conversion occurs it can also down sample
> the image resolution to 150 dpi. There are several different compression
> methods that could be used: None, LZW, 4bit ZIP, 8bit ZIP, JPEG, JPEG2000,
> JBIG, CCITTG4, CCITTG3. All depends on how the software is configured.

Thanks, Matt. I was thinking about something like an embodied (in pdf
viewers) unzip program. When viewing a pdf document with an image, the
image would be decompressed  before putting it on the screen.

Paul