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Questions tagged [tess-two]

146 questions
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Not able to add Tesseract OCR module to Android Studio

I followed the step by step guide found here: https://www.codeproject.com/Articles/840623/Android-Character-Recognition At step 2 when I added tess-two as module dependency to app and synced gradle, it failed with the following error: Error:Project…
Lakshesh Girdhar
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using tess-two how to add a frame to particularline to scan android

i am able to scan the document (whole).i want to able to select only one particular line from the document.how to achieve that .i was using tess-two Library.
sanjana
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Could not initialize Tesseract API with language=eng

when I use the tess-two:6.1.1, I got below error Tesseract(native): Could not initialize Tesseract API with language=eng! ActivityThread: Performing resume of ActivityRecord{dc1c46c token=android.os.BinderProxy@ce1ba35…
guodong cao
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Tess-Two (Tesseract OCR in Android) shows very inaccurate results

I use the following function to perform offline OCR using Tesseract OCR's Android fork Tess-Two : private String startOCR(Uri imgUri) { try { ExifInterface exif = new ExifInterface(imgUri.getPath()); int exifOrientation =…
Raptor
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1 answer

Stop tessseract recognize in Android

I use Tess_two library and need to interrupt recognizing(method getUTF8Text) if it goes too long. How can i do it. Method stop() dosen't work((
JJoe
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1 answer

How can I be output Android only numbers in OCR?

I am developing an Android OCR. Using tess-two in the Android made ​​the OCR. I have downloaded the 'traineddata' file. And it has succeeded in output in English . But I want to output a number. In the Internet gave me inform the sentence 'tesseract…
ro Ro
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Cannot initialize tessdata path for OCR using tess-two in Android

I am developing an Android OCR project. In my project, I am using tess-two. But I am having problem with initializing trainned data from tessdata folder for tess-two. I installed tess-two in grandle like this dependencies { compile…
Wai Yan Hein
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Surprisingly large difference between tess4j and tess-two

tess-two seems to work pretty well when I know EXACTLY the location on screen where the text I want to OCR is. Now I'm trying to scan for text against a busy background, and it's not working quite as well. annotated android screenshot I built a…
steve
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1 answer

Default datapath of tessdata folder

I found a strange issue like even If I explicitly mention the datapath to be /data/local/tmp/tesseract/, the TessBaseAPI uses the tessdata inside /data/data/tesseract/ (Only if it exists). If tesseract directory does not exist inside /data/data…
Nagaraja Thangavelu
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1 answer

Tesseract pdf renderer with 24 bit depth jpg image

I've to create a searchable pdf from multiple 24 bit depth jpg images. I'm using tess-two which by default comes with libpng. The problem is that tesseracts output a corrupt pdf! The images are not present in the pdf. The text is still present in…
ArjanSchouten
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1 answer

Android UnsatisfiedLinkError With Tesseract and OpenCV

I have been trying to get OpenCV and the android version of tesseract (tess-two) to work with my android app. I am developing in Android Studio 1.4, the problem is that if I add the tess-two dependency alone, the app works fine and I can load the…
Tedi
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1 answer

OCR implementation error-java.lang.UnsatisfiedLinkError: dlopen failed: cannot locate symbol "png_set_longjmp_fn" referenced by "liblept.so"

I am using tesseract library in my code for OCR implementation.But find the above error(mentioned in title).Tried with new tess-two library in the link:https://github.com/rmtheis/tess-two. But still same issue.Isue found only in samsung s3 and s4…
Archana
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1 answer

Progress/cancel callback in Tesseract using ETEXT_DESC

Is there a way to specify a progress and cancel callback in Tesseract? I'm using Tesseract in Android, using the tess-two project. There is already a previous question - Android Tesseract progress callback. However, the answers there imply that it's…
sashoalm
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meaning of android target when building tess-two ocr

I am following this tutorial - http://gaut.am/making-an-ocr-android-app-using-tesseract/ in order to build and use the tess-two library. I ran into an error when running android update project --path . and in the tutorials, it says: On Windows:…
Ofek Agmon
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1 answer

Hard time compiling tess-two for android

I'm trying to build eyes-two from the tess-two project using android studio. I did the ndk-build android ... ant release stuff for tess-two and eyes-two, imported eyes-two, configured ndk.dir path and all, but, while build I get the following error…
Italo Maia
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