Image editing you could do using ImageMagick (command line/java api)

On Thursday, June 28, 2018 at 4:42:55 PM UTC-4, [email protected] wrote:
>
> Thank you Shree!! :)
>
> Ok after rotating it,
> tesseract haven't succeed retrieving the text.
>
> *BUT* I kept experimenting with convert app (part of ImageMagick 6.8.9), 
> and resized the photo twice,
> eventually the words got retrieved!! hooray! :)
>
>
>
> *So I was wondering.what is a good practice when taking shots with a 
> smartphone?*
> it was mentioned:
> Tesseract works best on images which have a DPI of at least 300 dpi, so 
> it may be beneficial to resize images.
>
> moreover it was mentioned in the git repo:
> Tesseract does various image processing operations internally (using the 
> Leptonica library) before doing the actual OCR.
>
> *BTW is there a config parameter for enabling resizing image in case of a 
> problematic input?*
>
>
>
>
>
> On Thursday, June 28, 2018 at 10:38:20 PM UTC+3, shree wrote:
>>
>> Rotate your shot to correct orientation and try. 
>>
>> On 6/28/18, [email protected] <[email protected]> wrote: 
>> > I'm  quite new to tesseract and would like to use it in a project for 
>> OCR 
>> > purposes, 
>> > I found a tutorial on the web with photos, so I have executed tesseract 
>> > (tesseract 4.0.0-beta.2) on it, 
>> > and noticed it has *successfully retrieved every single word*, wow 
>> > IMPRESSIVE!! 
>> > 
>> > so I took my smartphone and took a crystal clear photo (no blurry), and 
>> > hoped it would work for me too. 
>> > but *NOTHING it failed miserably* (every word miss :/ bummer) 
>> > 
>> > I read this too: 
>> > https://github.com/tesseract-ocr/tesseract/wiki/ImproveQuality 
>> > 
>> > I tried to figure out what's i'm doing wrong by comparing the metedata 
>> EXIF 
>> > 
>> > of each photo, 
>> > but apparently the photo's metadata from the web tutorial has been 
>> stripped 
>> > 
>> > :/ 
>> > 
>> > Can someone explain to me. what am i missing here?? 
>> > I'm attaching the two photos. 
>> > 
>> > 
>> > Thank you in advance :) 
>> > 
>> > 
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>> -- 
>>
>> ____________________________________________________________ 
>> भजन - कीर्तन - आरती @ http://bhajans.ramparivar.com 
>>
>

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