I think it could work, but in the tess-two version that class is not passed 
to Java. Do you know if there is any place I could find it? (Problem is I 
don't reallly know C++)

On Monday, March 14, 2016 at 1:29:37 AM UTC-6, zdenop wrote:
>
> have a look at tesseract::ChoiceIterator.
> See 
> https://github.com/tesseract-ocr/tesseract/wiki/APIExample#example-of-iterator-over-the-classifier-choices-for-a-single-symbol
>  
> <https://www.google.com/url?q=https%3A%2F%2Fgithub.com%2Ftesseract-ocr%2Ftesseract%2Fwiki%2FAPIExample%23example-of-iterator-over-the-classifier-choices-for-a-single-symbol&sa=D&sntz=1&usg=AFQjCNFNNQ3hpIYiZPDkUv-AGSN5SNSC7g>
>
> Zdenko
>
> On Mon, Mar 14, 2016 at 6:17 AM, Sergio Mendoza <[email protected] 
> <javascript:>> wrote:
>
>> So I've been trying to use tesseract ocr, (specifically tess-two) for an 
>> android project to scan some symbols.
>>
>> Everything works fine but sometimes the recognized String is returned as 
>> null. One of the solutions I found was to set the variable 
>> save_blob_choices to true in order to have tesseract save alternatives 
>> for recognition.
>>
>>
>> But I don't know if it indeed is supposed to do that. Where does it save 
>> the alternatives? How do I access them?
>>
>> Of course if you have any other solution apart from using this variable, 
>> please tell me.
>>
>> Here is my code:
>>
>>
>> TessBaseAPI baseApi = new TessBaseAPI();
>> baseApi.setDebug(true);
>> baseApi.init(MainActivity.DATA_PATH, MainActivity.lang);
>> baseApi.setPageSegMode(TessBaseAPI.PageSegMode.PSM_SINGLE_CHAR);
>>
>>
>> baseApi.setVariable("tessedit_char_whitelist","abcdefghijklmnopqrst");
>> baseApi.setVariable("save_blob_choices", "T");
>>
>> baseApi.setImage(mainBitmap);
>>
>> publishProgress(80);
>>
>>
>> mainBitmap.recycle();
>> mainBitmap = null;
>> // Iterate through the results.ResultIterator iterator = 
>> baseApi.getResultIterator();String lastUTF8Text;float lastConfidence;
>>
>>
>> iterator.begin();do {
>>     lastUTF8Text = 
>> iterator.getUTF8Text(TessBaseAPI.PageIteratorLevel.RIL_SYMBOL);
>>     lastConfidence = 
>> iterator.confidence(TessBaseAPI.PageIteratorLevel.RIL_SYMBOL);
>>
>>     Log.i("string, intConfidence",lastUTF8Text+", "+lastConfidence);} while 
>> (iterator.next(TessBaseAPI.PageIteratorLevel.RIL_SYMBOL));
>>
>>
>> baseApi.end();
>>
>>
>> Also as an extra question, is base.setDebug(true) supposed to work? 
>> Because it doesn't seem to do anything.
>>
>> -- 
>> You received this message because you are subscribed to the Google Groups 
>> "tesseract-ocr" group.
>> To unsubscribe from this group and stop receiving emails from it, send an 
>> email to [email protected] <javascript:>.
>> To post to this group, send email to [email protected] 
>> <javascript:>.
>> Visit this group at https://groups.google.com/group/tesseract-ocr.
>> To view this discussion on the web visit 
>> https://groups.google.com/d/msgid/tesseract-ocr/1d742d69-6508-4e85-ba68-5e01fd7f9a36%40googlegroups.com
>>  
>> <https://groups.google.com/d/msgid/tesseract-ocr/1d742d69-6508-4e85-ba68-5e01fd7f9a36%40googlegroups.com?utm_medium=email&utm_source=footer>
>> .
>> For more options, visit https://groups.google.com/d/optout.
>>
>
>

-- 
You received this message because you are subscribed to the Google Groups 
"tesseract-ocr" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to [email protected].
To post to this group, send email to [email protected].
Visit this group at https://groups.google.com/group/tesseract-ocr.
To view this discussion on the web visit 
https://groups.google.com/d/msgid/tesseract-ocr/925421d2-737c-434e-9e2f-86091e975f88%40googlegroups.com.
For more options, visit https://groups.google.com/d/optout.

Reply via email to