Sprite files

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From	Dave <dave@triffid.co.uk>
Newsgroups	comp.sys.acorn.misc
Subject	Sprite files
Date	Wed, 26 Feb 2025 11:50:33 +0000 (GMT)
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In article <5bf41b6693dave@triffid.co.uk>,
   Dave <dave@triffid.co.uk> wrote:
[Snip a lot]

> Indeed John, Back in in the days when I was running my business I did
> try with Sleuth 3... Goodness me, did we (Fay and I) try hard, but as
> I've previously noted it was so problematic and unreliable, just not
> usable in a business situation.

So... Even in my dotage, When I'm in a goodish mood, no grumps in sight, I
like to have a fiddle with apps, just to see what's what.  ;-)

Thought I'd have fiddle with Sleuth3 just to see how much of a masochist
I'd have to be to get a usable OCR out of it.

I have an Epson scanner attached to my home LAN that outputs excellent
images, unfortunately UniServer/Uniscan has never been able to do anything
through it, just interminable clicking.
I just rechecked... Click, click...  :-(

I have a small clean recent document printed on a HP Laserjet (Win side)
to use in the scanner.

In the Epson Scan app while scanning, I used a tiny bit of 'Contrast'
increase to crisp up the images.

Scan in 8bit Grayscale at 100, 150, 200, 300, 400 dpi.

Take the images (Not Jpegs as I want to keep the images clean) to the RISC
OS side. (BMP or PNG)

Use DPlingScan to reduce to 4bpp then Save as a Spritefile.

100, 150, 200dpi completely useless.

300dpi OCR'd very well with just a few things out of place.

400dpi OCR'd completely okay.

There yuh! go.

Dave

-- 

Dave Triffid

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Sprite files Chris Newman <newslists@npost.uk> - 2025-02-22 12:45 +0000
  Re: Sprite files Steve Fryatt <news@stevefryatt.org.uk> - 2025-02-22 14:06 +0000
    Re: Sprite files Chris Newman <newslists@npost.uk> - 2025-02-23 10:55 +0000
      Re: Sprite files Chris Hughes <news13@noonehere.co.uk> - 2025-02-23 11:31 +0000
        Re: Sprite files Chris Newman <newslists@npost.uk> - 2025-02-23 12:01 +0000
          Re: Sprite files Chris Newman <newslists@npost.uk> - 2025-02-23 23:34 +0000
      Re: Sprite files Dave <dave@triffid.co.uk> - 2025-02-23 11:54 +0000
        Re: Sprite files John <newsmcc@blueyonder.co.uk> - 2025-02-23 14:37 +0000
          Re: Sprite files Dave <dave@triffid.co.uk> - 2025-02-24 08:30 +0000
            Sprite files Dave <dave@triffid.co.uk> - 2025-02-26 11:50 +0000
              Re: Sprite files Chris Newman <newslists@npost.uk> - 2025-02-26 16:42 +0000
                Re: Sprite files Harriet Bazley <harriet@bazleyfamily.co.uk> - 2025-02-26 17:45 +0000
                Re: Sprite files Harriet Bazley <harriet@bazleyfamily.co.uk> - 2025-02-26 17:54 +0000
                Re: Sprite files Jean-Michel <jmc.bruck@orange.fr> - 2025-02-26 21:10 +0100
                Re: Sprite files Harriet Bazley <harriet@bazleyfamily.co.uk> - 2025-02-26 22:04 +0000
                Re: Sprite files Jean-Michel <jmc.bruck@orange.fr> - 2025-02-27 10:07 +0100
                Re: Sprite files druck <news@druck.org.uk> - 2025-02-28 09:51 +0000
                Re: Sprite files Harriet Bazley <harriet@bazleyfamily.co.uk> - 2025-02-28 10:45 +0000
                Re: Sprite files Jean-Michel <jmc.bruck@orange.fr> - 2025-02-28 12:38 +0100
                Re: Sprite files Harriet Bazley <harriet@bazleyfamily.co.uk> - 2025-02-28 14:02 +0000
                Re: Sprite files Chris Newman <newslists@npost.uk> - 2025-02-28 15:58 +0000
                Re: Sprite files Jean-Michel <jmc.bruck@orange.fr> - 2025-02-28 20:02 +0100
                Re: Sprite files Harriet Bazley <harriet@bazleyfamily.co.uk> - 2025-02-28 11:07 +0000
                Re: Sprite files druck <news@druck.org.uk> - 2025-02-28 14:17 +0000
                Re: Sprite files Chris Newman <newslists@npost.uk> - 2025-02-27 22:17 +0000
                Re: Sprite files Harriet Bazley <harriet@bazleyfamily.co.uk> - 2025-02-27 23:32 +0000
                Re: Sprite files Chris Newman <newslists@npost.uk> - 2025-02-28 00:24 +0000
                Re: Sprite files Stuart <Spambin@argonet.co.uk> - 2025-02-28 10:45 +0000
                Re: Sprite files Jean-Michel <jmc.bruck@orange.fr> - 2025-02-28 12:50 +0100
                Re: Sprite files Chris Newman <newslists@npost.uk> - 2025-02-28 15:57 +0000
                Re: Sprite files Harriet Bazley <harriet@bazleyfamily.co.uk> - 2025-02-28 17:24 +0000
                Re: Sprite files Jean-Michel <jmc.bruck@orange.fr> - 2025-02-28 20:37 +0100
                Re: Sprite files Harriet Bazley <harriet@bazleyfamily.co.uk> - 2025-02-28 21:26 +0000
                Re: Sprite files Jean-Michel <jmc.bruck@orange.fr> - 2025-03-01 11:31 +0100
                Re: Sprite files Harriet Bazley <harriet@bazleyfamily.co.uk> - 2025-03-23 19:14 +0000
                Re: Sprite files Jean-Michel <jmc.bruck@orange.fr> - 2025-03-24 11:38 +0100
                Re: Sprite files Harriet Bazley <harriet@bazleyfamily.co.uk> - 2025-03-24 15:20 +0000
                Re: Sprite files Jean-Michel <jmc.bruck@orange.fr> - 2025-03-24 18:50 +0100
                Re: Sprite files Harriet Bazley <harriet@bazleyfamily.co.uk> - 2025-03-24 18:46 +0000
                Re: Sprite files Jean-Michel <jmc.bruck@orange.fr> - 2025-03-25 10:33 +0100
                Re: Sprite files Harriet Bazley <harriet@bazleyfamily.co.uk> - 2025-03-25 10:40 +0000
                Re: Sprite files Jean-Michel <jmc.bruck@orange.fr> - 2025-03-25 19:52 +0100
                Re: Sprite files Alan Griffin <ajg@argonet.co.uk> - 2025-03-25 21:45 +0000
                Re: Sprite files Jean-Michel <jmc.bruck@orange.fr> - 2025-03-25 23:16 +0100
                Re: Sprite files Harriet Bazley <harriet@bazleyfamily.co.uk> - 2025-03-25 23:52 +0000
                Re: Sprite files Harriet Bazley <harriet@bazleyfamily.co.uk> - 2025-03-25 21:58 +0000
                Re: Sprite files Kevin Wells <kev@kevsoft.co.uk> - 2025-02-27 23:27 +0000
                Re: Sprite files Chris Newman <newslists@npost.uk> - 2025-02-28 15:53 +0000
                Re: Sprite files Kevin Wells <kev@kevsoft.co.uk> - 2025-02-26 21:03 +0000
      Re: Sprite files Jean-Michel <jmc.bruck@orange.fr> - 2025-02-24 10:42 +0100

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