Re: [tesseract-ocr] Proper Use of Text2Image?

[ShreeDevi Kumar]

Please use the font name instead of the TTF file name. It may be 'Bradley Hand ITC'

- sent from my phone. excuse the brevity.

On 17-Apr-2016 8:38 pm, "John Timuty" <dharn...@gmail.com> wrote:

Hi there! ^_^

I didn't know how to compile so I had to download Cygwin because only there i got a compiled text2image.exe..

But now i have it and tried to use it. This is what i get when i execute command.

John@John-PC /cygdrive/c/cygwin/training

$ text2image --text=C:\Users\John\Desktop\12345.txt --outputbase=ENG.BradleyHandITC.exp0 --font='BradleyHandITC' 

--fonts_dir=C:\Users\John\Desktop\fnt

----------------------------------------------------------------------------------------------------------------

FcInitiReinitialize failed!!

Could not find font named BradleyHandITC. Pango suggested font

Please correct --font arg.:Error:Assert failed:in file /cygdrive/e/cyg_pub/devel/tesseract/tesseract-ocr-3.04.01-1.i686/src/tesseract-3.04.01/training/text2image.cpp, line 437

Segmentation fault (core dumped)

----------------------------------------------------------------------------------------------------------------

Seriously, what does that mean?

In the font's dir, there is a BradleyHandITC.TTF (TRUETYPE)

I don't know what wrong i am doing? Do i need a BradleyHandITC.OTF too? (OPENTYPE) to work properly?

I have successfully trained a font before but i want to add more pages to increase the accuracy.

Please Help. I am very close to start training tesseract.

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[Marco Atzeri]

On 17/04/2016 14:45, John Timuty wrote:
> Hi there! ^_^
> I didn't know how to compile so I had to download Cygwin because only
> there i got a compiled text2image.exe..
> But now i have it and tried to use it. This is what i get when i execute
> command.
>
> John@John-PC /cygdrive/c/cygwin/training

> $ *text2image --text=C:\Users\John\Desktop\12345.txt
> --outputbase=ENG.BradleyHandITC.exp0 --font='BradleyHandITC' *
> *--fonts_dir=C:\Users\John\Desktop\fnt*

> ----------------------------------------------------------------------------------------------------------------
> FcInitiReinitialize failed!!
> Could not find font named BradleyHandITC. Pango suggested font
> Please correct --font arg.:Error:Assert failed:in file
> /cygdrive/e/cyg_pub/devel/tesseract/tesseract-ocr-3.04.01-1.i686/src/tesseract-3.04.01/training/text2image.cpp,
> line 437
> Segmentation fault (core dumped)
> ----------------------------------------------------------------------------------------------------------------
> Seriously, what does that mean?

> In the font's dir, there is a BradleyHandITC*.TTF* (TRUETYPE)

> I don't know what wrong i am doing? Do i need

> a BradleyHandITC.*OTF* too? (OPENTYPE) to work properly?

> I have successfully trained a font before but i want to add more pages
> to increase the accuracy.
> Please Help. I am very close to start training tesseract.
>

As you are using cygwin,
paths must use the POSIX convention so replace

C:\Users\John\Desktop\12345.txt with
/cygdrive/c/Users/John/Desktop/12345.txt

C:\Users\John\Desktop\fnt with
cygdrive/c/Users/John/Desktop/fnt

I suspect the segfault is coming from this problem.

About the font the best way to add it to the cygwin fonts is to
copy the BradleyHandITC*.TTF to /usr/share/fonts/TTF
and rebuild the font cache. So

cp cygdrive/c/Users/John/Desktop/fnt/*.TTF /usr/share/fonts/TTF
rm /usr/share/fonts/TTF/fonts.dir
fc-cache -f /usr/share/fonts/TTF

after that with
fc-list |grep TTF

You can see your new installed fonts with their canonical names.

Regards
Marco