I am not familiar with tess-two, but I see there function getChoicesAndConfidence[1].
[1] https://github.com/rmtheis/tess-two/blob/master/tess-two/src/com/googlecode/tesseract/android/ResultIterator.java#L80 Zdenko On Mon, Mar 14, 2016 at 7:12 PM, Sergio Mendoza <[email protected]> wrote: > 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]> >> 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]. >>> 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/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 > <https://groups.google.com/d/msgid/tesseract-ocr/925421d2-737c-434e-9e2f-86091e975f88%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/CAJbzG8xNOYD-ZSNwESaXMzUEsVi_Z2ipG5r9NAhc8-UwaAOOig%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.

