Unable to capture images in Linux OS

Asked by Priyanka on 2012-10-18

I have newely installed Sikuli in Linux OS. Tool was launching successfully. But, uable to capture images. If tried, it is displaying camera icon, instead of displaying the original picture.
Can you help me in this issue.
Also can you please mention required list of softwares and installation procedure once.

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RaiMan (raimund-hocke) said : #1

--- Also can you please mention required list of softwares

... and many Q&A's here on different Linux versions

Come back if you installation is correct.

Priyanka (basanta49) said : #2

Can we use sikuli to test applications developed using QT (c++).

RaiMan (raimund-hocke) said : #3

Yes you can.

Priyanka (basanta49) said : #4

Actually i have downloaded the below:


Linux version is a portable zip, no installation required. Just run sikuli-ide.sh in Sikuli-IDE/ to start it.
Make sure you have Java Runtime Environment (JRE) 6, wmctrl, and OpenCV 2.1 (libcv2.1, libcvaux2.1, libhighgui2.1) installed.

    Sikuli-X-1.0rc3 (r905)-linux-i686.zip (For 32bit Linux)

But I have installed higher versions of libcv2.1, libcvaux2.1, libhighgui2.1.

Is this correct or anything else should be installed. I am unable to capture images.

Priyanka (basanta49) said : #5


I am able to capture images now.

But tool is getting aborted when capturing big images.

RaiMan (raimund-hocke) said : #6

relevant part of error message?

Priyanka (basanta49) said : #7

 [info] locale: en_US
Error opening data file /tmp/sikuli/tessdata/eng.traineddata
Please make sure the TESSDATA_PREFIX environment variable is set to the parent directory of your "tessdata" directory.
Failed loading language 'eng'
Tesseract couldn't load any languages!
vlog 1 Input
vlog 1 Canny
vlog 1 AdaptiveThresholded
vlog 1 LongLinesFound
vlog 1 LongLinesRemoved
vlog 1 NonEdgeRemoved
vlog 1 blobs-extracted
vlog 1 blobs-filtered
vlog 1 lineblobs
vlog 1 lineblobs-filtered
vlog 1 lineblobs-merged
vlog 1 paragblobs
# A fatal error has been detected by the Java Runtime Environment:
# SIGSEGV (0xb) at pc=0x85555b6d, pid=2428, tid=2317286208
# JRE version: 6.0_24-b24
# Java VM: OpenJDK Server VM (20.0-b12 mixed mode linux-x86 )
# Derivative: IcedTea6 1.11.4
# Distribution: Ubuntu 12.04 LTS, package 6b24-1.11.4-1ubuntu0.12.04.1
# Problematic frame:
# C [libtesseract.so.3+0x226b6d] tesseract::Classify::CharNormClassifier(TBLOB*, DENORM const&, INT_TEMPLATES_STRUCT*, ADAPT_RESULTS*)+0x61
# An error report file with more information is saved as:
# /home/votarytech/hs_err_pid2428.log
# If you would like to submit a bug report, please include
# instructions how to reproduce the bug and visit:
# https://bugs.launchpad.net/ubuntu/+source/openjdk-6/
# The crash happened outside the Java Virtual Machine in native code.
# See problematic frame for where to report the bug.
Aborted (core dumped)

RaiMan (raimund-hocke) said : #8

check your Tesseract installation.

Tesseract 2.04 is needed, you might have Tesseract 3 on your machine.

Se other Q&A's on that.

j (j-the-k) said : #9

libtesseract.so.3 looks defenitely like tesseract 3

If you run ubuntu, you can use "apt-get install sikuli" to install a version of sikuli that runs with tesseract 3.
If not, you can download it here http://code.google.com/p/tesseract-ocr/downloads/detail?name=tesseract-2.04.tar.gz&can=2&q=
and compile it yourself

Neal McBurnett (nealmcb) said : #10

This seems to be a packaging bug, "in progress", with a workaround documented here:

Bug #979524 “Ubuntu 12: sikuli-ide crashes with Tesseract 3.0 --...” : Bugs : Sikuli

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