segmentation fault shapeclustering -F font_properties -U unicharset -O chi.unicharset

[jihh]

Environment

• Tesseract Version: 5.2.0-45-gb5ee
  leptonica-1.82.0
  libgif 5.2.1 : libjpeg 9d : libpng 1.6.37 : libtiff 4.3.0 : zlib 1.2.11 : libwebp 1.2.1 : libopenjp2 2.4.0
  Found AVX2
  Found AVX
  Found FMA
  Found SSE4.1
  Found libarchive 3.5.2 zlib/1.2.11 liblzma/5.2.5 bz2lib/1.0.6 liblz4/1.9.3 libzstd/1.5.0
  Found libcurl/7.64.1 SecureTransport (LibreSSL/2.8.3) zlib/1.2.11 nghttp2/1.41.0
• Commit Number: 97a1a3e
• Platform: Darwin <hostname_hide> 20.6.0 Darwin Kernel Version 20.6.0: Tue Apr 19 21:04:45 PDT 2022; root:xnu-7195.141.29~1/RELEASE_X86_64 x86_64

Current Behavior:

% tesseract chi.pgssub.ocr.tif chi.pgssub.ocr -l chi_sim -psm 7 batch.nochop makebox
...
% <adjust box file by jTessBoxEditor >
...
% echo pgssub 0 0 0 0 0 >font_properties
...
% tesseract chi.pgssub.ocr.tif chi.pgssub.ocr -l chi_sim -psm 7 nobatch box.train
...
% unicharset_extractor chi.pgssub.ocr.box
...
% % shapeclustering -F font_properties -U unicharset -O chi.unicharset chi.pgssub.ocr.tr        
Reading chi.pgssub.ocr.tr ...
zsh: segmentation fault  shapeclustering -F font_properties -U unicharset -O chi.unicharset 

% shapeclustering` -F font_properties -U unicharset chi.pgssub.ocr.tr
Reading chi.pgssub.ocr.tr ...
zsh: segmentation fault  shapeclustering -F font_properties -U unicharset chi.pgssub.ocr.tr

Expected Behavior:

Suggested Fix:

Attachments

• chi.pgssub.ocr.tif
• chi.pgssub.ocr.box
• font_properties

file.zip

[amitdo]

shapeclustering

shapeclustering should not normally be used except for the Indic languages.

It is not needed for Chinese.

[amitdo]

See #3925.