Method WordFontAttributes does not work

[zikcheng]

Hi, I want to use method WordFontAttributes to get font information of recognized words, but I failed. The image is

and my code is

with PyTessBaseAPI() as api:
    api.SetImageFile('test.png')
    api.Recognize()
    iterator = api.GetIterator()
    print(iterator.WordFontAttributes())

It outputs None. Is there something wrong in my code?

[sirfz]

Have you tried different images? It worked on the image I tested on (try eurtext.tif).

[zikcheng]

I tried my code on the eurotext.tif, but it still output None. Is the output result related with the environment?
The OS is Ubuntu 16.04, python version is 3.6.1, tesseract version is

tesseract 4.00.00alpha
 leptonica-1.74.4
  libjpeg 8d (libjpeg-turbo 1.4.2) : libpng 1.6.31 : libtiff 4.0.6 : zlib 1.2.8

, and tesserocr version is 2.2.2

[sirfz]

Did some further testing and found weird behavior. If I use the 4.00 tessdata, there are no font attributes returned for the image. However, if I use the 3.04.00 tessdata, font attributes are returned. You can bring this issue up with the tesseract team if you want to look into it.

In the mean time, I recommend you use the latest stable version (3.05.01) with the 3.04.00 tessdata.

[sirfz]

Closing this issue given it's tesseract-related.

[NehaPandey58]

Method WordFontAttributes is not working for me also. I am using
tesseract 4.0.0-beta.1-270-g5a56
leptonica-1.74.4
libjpeg 6b : libpng 1.6.34 : zlib 1.2.11
Kindly help.

[kvdesai]

I landed up here while trying to figure out how to determine FontSize using tesserocr.

The tesseract issue #1074 referenced above seems to have been fixed.
https://github.com/tesseract-ocr/tesseract/pull/1173/commits

However, with tesserocr the method WordFontAttributes is still returning None.
Following is my setup

Ubuntu 16.04, x64
Python 3.7.1

$ tesseract --version
tesseract 4.1.0-rc1-263-gb107
leptonica-1.78.0
libgif 5.1.4 : libjpeg 8d (libjpeg-turbo 1.4.2) : libpng 1.2.54 : libtiff 4.0.6 : zlib 1.2.8 : libwebp 0.4.4 : libopenjp2 2.3.0
Found SSE

tesserocr.__version__
2.4.0

Any suggestions to fix this, or a work around to determine Font Size and Is Bold?

[Jamxscape]

I landed up here while trying to figure out how to determine FontSize using tesserocr.

The tesseract issue #1074 referenced above seems to have been fixed.
https://github.com/tesseract-ocr/tesseract/pull/1173/commits

However, with tesserocr the method WordFontAttributes is still returning None.
Following is my setup

Ubuntu 16.04, x64
Python 3.7.1

$ tesseract --version
tesseract 4.1.0-rc1-263-gb107
leptonica-1.78.0
libgif 5.1.4 : libjpeg 8d (libjpeg-turbo 1.4.2) : libpng 1.2.54 : libtiff 4.0.6 : zlib 1.2.8 : libwebp 0.4.4 : libopenjp2 2.3.0
Found SSE

tesserocr.__version__
2.4.0

Any suggestions to fix this, or a work around to determine Font Size and Is Bold?

Have you ever solved this problem?I Use tesseract 4.1.1 and tessdata 4.0 It doesnot work also,and just return to None