From Newsgroup: comp.os.linux.advocacy

Optical Character Recognition (OCR) is perhaps a critical necessity
in today's digital world.

Google has contributed an OCR software called Tesseract to
to the FOSS community.

I am sorry to have to say that, in my experience, Tesseract is junk.
It can be very inaccurate and its accuracy is quite inconsistent.

I have began several OCR software projects only to have to abandon
each of them due to the poor performance of Tesseract.

If you disagree, then please report, with full examples.

But I doubt that anyone who seriously applies Tesseract will be
satisfied with its results.
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From Newsgroup: comp.os.linux.advocacy

On Tue, 26 Aug 2025 19:01:46 +0000, Farley Flud <ff@linux.rocks> wrote in <pan$a6c73$f3d41061$d19e7b60$2f573631@linux.rocks>:

Optical Character Recognition (OCR) is perhaps a critical necessity in today's digital world.

Google has contributed an OCR software called Tesseract to to the FOSS community.

I am sorry to have to say that, in my experience, Tesseract is junk.

You know tesseract has been in development since 1985, right?

You know it started at Hewlitt Packard, right?

You know that it has _two_ engines, which can be combined for
better results, right?

I didn't think so.

(FTR: I've had good success with tesseract.)
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From Newsgroup: comp.os.linux.advocacy

On 27 Aug 2025 04:20:19 GMT, vallor wrote:

(FTR: I've had good success with tesseract.)

Pics or it didn't happen.

Check out this image of the Gettysburg Address (or a part
of it). It is Liberation Serif 12-point font:

https://i.postimg.cc/rmTZhHYg/gburg.png

Now what follows is the tesseract output using this command:

tesseract --tessdata-dir /usr/share/tessdata gburg.png gburg --psm 6 --oem 1

This uses the best engine with the best training data.

Output:

=================================================================================================================

But, in a larger sense, we can not dedicaterCowe can not consecraterCowe can not hallowrCothis ground.
rCyThe brave men, living and dead, who struggled here, have consecrated it, far above our poor power to
add or detract. The world will little note, nor long remember what we say here, but it can never forget
rCywhat they did here. It is for us the living, rather, to be dedicated here to the unfinished work which they
rCywho fought here have thus far so nobly advanced. It is rather for us to be here dedicated to the great
task remaining before usrCothat from these honored dead we take increased devotion to that cause for
rCywhich they gave the last full measure of devotionrCothat we here highly resolve that these dead shall not
have died in vainrCothat this nation, under God, shall have a new birth of freedomrCoand that.
government of the people, by the people, for the people, shall not perish from the earth.

=================================================================================================================

Where in fuck did those "`" characters come from? It is actually
a sequence: 0xE2, 0x80, 0x98, which is the Unicode "left single quotation mark."

Why is there a period after "that" in the second-to-last line?

I suppose that if I tried more samples I could get much worse results
but this quickie demonstrates that tesseract is not really up to snuff.
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Gentoo: the only road to GNU/Linux perfection.
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