Hello,

I have tried OCRing this image (hello.png, attached). Results come out 
empty. It works if I add a border (image attached).

I run:

$ tesseract hello.png stdout
Estimating resolution as 528
Empty page!!
Estimating resolution as 528
Empty page!!

$ tesseract hello_with_border.png stdout
Hello

I have following version:
$ tesseract -v
tesseract 5.0.0-beta-20210815-6-g1d3d
 leptonica-1.79.0
  libgif 5.1.9 : libjpeg 6b (libjpeg-turbo 2.0.6) : libpng 1.6.37 : libtiff 
4.3.0 : zlib 1.2.11 : libwebp 0.6.1 : libopenjp2 2.4.0
 Found AVX2
 Found AVX
 Found FMA
 Found SSE4.1
 Found OpenMP 201511
 Found libarchive 3.4.3 zlib/1.2.11 liblzma/5.2.5 bz2lib/1.0.8 liblz4/1.9.3 
libzstd/1.4.8

I'm on Debian/Sid Linux. I had same issue with Tesseract v4.

I don't see error message "Error in boxClipToRectangle" so I don't think 
this is issue #427

Should this issue be reported?

Sincerely,
Teofilis Martisius

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