Lios is a free and open source software for converting print in to text using a scanner. It can also produce text out of scanned images from other sources. Program is given total accessibility for visually impaired. Lios is written in python and we release it under GPL3 licence. Lios will work with Debian based operating systems. Lios is an effort from the easy-ocr development team. There are great many possibilities for this program. Feedback is the key to it.
Download deb file from here http://linux-intelligent-ocr-solution.googlecode.com/files/linux_Intelligent_Ocr_Solution_1.1.deb open it and install
In order to start new scan, first press ctrl+n and then press f9 for single scan or ctrl f9 for repeated scanning. To set the scanning preferences press ctrl+p and set the starting page number, Mode of page numbering, double page mode if you intend to keep 2 pages at a time, rotation to select the way in which you want the program to rotate the images before conversion. In full automatic rotation mode, one can keep the book in 00 90 180 and 270 degree angle. In partial rotation mode program will scan once to find out the position of the book and then the rotation will be kept. in manual mode one should select the angle. partial and manual mode is faster than full auto rotation mode in ocr process. One can select the number of pages to be scanned at a stretch by setting number of pages in the case of repeated scanning. one can stop all scanning process by pressing ctrl f4.
Lios can convert scanned images from other sources. It can convert jpg, jpeg, tif, tiff png, pnm, formats. To convert the images in a folder, select scan from folder option by pressing ctrl u and then select the input folder.
Select scan pdf from file menu and then select the input file. It is recommended that one can use ocropus as engine more efficiently in pdf conversion.
To set a n exact value of brightness or threshold is the best way to ensure maximum efficiency out of ocr engines. To find out the best value, go to tools menu and select brightness checker. This utility will scan for 15 or 17 times to complete the process. after the process, number of words detected at different values will be shone in tabs. If you want to know the precise value only, shift tab and then tab to apply the value.
lios can convert the text opened in lios to wav files. To convert the text in to speech, go to tools menu and select audio converter.
To go to page, press ctrl+g and then type the page number, and tab to ok. In the case of double page type only odd number, for example 1 in the case of 1-2 and 11 in the case of 11-12. One can go to any line by pressing ctrl+l and ctrl+f will help to find any word in the document.
display preferences in the edit menu will help to set fond size, color , italic, bold and color of the background.
There are 5 engines in lios.out of these only cuneiform can handle 24 languages, list given at the end. all other engines can handle only English. Cuneiform is good for speed and picture skipping ,ocropus is good for layout analysis and pdf conversion.
There is a dictionary support for english, First activate artha in accessories, select the word and press alt+ctrl+w and Tab to find out the Meaning.
Cuneiform support Bulgarian, Croatian, Czech, Danish, Dutch, English, Estonian, French, German, Hungarian, Italian, Latvian, Lithuanian, Polish, Portuguese, Romanian, Russian, Russian-English bilingual, Serbian, Slovene, Spanish, Swedish, Turkish, and Ukrainian.
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