ALOCR Ver. 1.0, Japanese printed character recognition library is released
in 1999. It's based on up-to-date algorithms. We provide a paragraph
recognition API, a text line recognition API and dictionary maintenance
You can use ALPRIM Ver. 1.0 library to abstract paragraph or lines from full
document images. It can handle complicated layout. It can also
abstract text lines from table or graphics. ALPRIM has a function to infer
the angle of inclined text lines.
- High recognition rate
Development of this library started in 1998. It used up-to-date character
recognition algorithms supposed to be used on 21st century computer.
- Easy to customize
You can add pattern dictionary for special purpose.
- Powerful language processing
This library is powerd by a Japanese dictionary over 20 MBytes. The dictionary
include statistical probability of Japanese character connectivity.
It depends on pattern dictionary. The default dictionary has all kanjis belong
to JIS Level 1, major symbol, alpabet, number, katakana, hiragana, high frequent
kanjis and "Name Kanji" belong to JIS Level 2.
You can extend pattern dictionary easily by using pattern registration function or
pattern dictionary compiler.
System dictionary includes two major Japanese font "Mincho" and "Gothic", in addition
system dictionary contains "Maru-Gochic" and "Japanese Text-Book" fonts. We provide
some optional dictionary. "Kaisho" and "Reisho" pattern dictionary and so on.
"Pattern dictionary compiler" can make pattern dictionary from any Japanese
On 400 dpi image, ALOCR can recognize over 6-point font size. Font size depends on
resolution of aquired image.