and also why is that? i mean at 3. line there is both KalikoImage which is same,but first is correctly translated to text and second one is with one mistake
2015-01-08 17:17 GMT+02:00 Allistair <[email protected]>: > It works for me with just the threshold and no scaling (however, there is > an error in the 2nd Kaliko where the l is misrecognised as a 1): > > https://dl.dropboxusercontent.com/u/523401/codethres.png > > --- > > Memorystream memstream = new MemoryStream(); > > bitmap.Save(memstream, System.Drawing.Imaging.ImageFormat.Png); > > Kalikolmage imgklk = new Ka1ikoImage(memstream); > > > On 8 January 2015 at 14:22, Gokcer Gunes <[email protected]> wrote: > >> Yeah with more size it works better and better but it takes more time >> also thats why im only scaling 2x around.And can i ask did you try with >> only threshold or threshold+scaling >> >> 2015-01-08 16:16 GMT+02:00 Allistair <[email protected]>: >> >>> Oh, I also scaled the image up to 2000px wide. Larger images often work >>> better with Tesseract so a pre-filter or sampling up can help. >>> >>> On 8 January 2015 at 14:16, Allistair <[email protected]> wrote: >>> >>>> This is the image I am providing to Tesseract >>>> >>>> https://dl.dropboxusercontent.com/u/523401/code.png >>>> >>>> It's your image with a quick threshold performed in Photoshop. Notice >>>> that you need to ensure the threshold makes all text black. >>>> >>>> On 8 January 2015 at 13:47, Gokcer Gunes <[email protected]> wrote: >>>> >>>>> i tried with threshold filters too but i didnt get good results,best >>>>> result for me was this way.Can i ask what threshould number you used for >>>>> this images. >>>>> >>>>> 2015-01-08 14:30 GMT+02:00 Allistair <[email protected]>: >>>>> >>>>>> Well, I must say I am unsure why one image works for that line and >>>>>> not the other. Clearly the addition of other lines of text is causing >>>>>> Tesseract's classification system to go slightly awry - must be learning >>>>>> something with the addition of the new text that it feeds back to the 1st >>>>>> and gets it wrong. >>>>>> >>>>>> However, I was easily able to get a perfect read on both of them by >>>>>> performing a simple threshold filter (turning all text dark black) before >>>>>> providing to Tesseract. >>>>>> >>>>>> On 8 January 2015 at 00:01, Gokcer Gunes <[email protected]> wrote: >>>>>> >>>>>>> First original Image which sended to tesseract >>>>>>> [image: Satır içi resim 1] >>>>>>> Second Original Image which sended to tesseract >>>>>>> >>>>>>> [image: Satır içi resim 2] >>>>>>> and outputs are in image which you already saw >>>>>>> >>>>>>> 2015-01-08 1:24 GMT+02:00 Gokcer Gunes <[email protected]>: >>>>>>> >>>>>>>> yes i will get and upload them asap >>>>>>>> >>>>>>>> >>>>>>>> 2015-01-08 1:24 GMT+02:00 Gokcer Gunes <[email protected]>: >>>>>>>> >>>>>>>>> ah no its not noise there is no noise in original img it just >>>>>>>>> result of crop in paint >>>>>>>>> >>>>>>>>> >>>>>>>>> 2015-01-08 1:21 GMT+02:00 Allistair C <[email protected]>: >>>>>>>>> >>>>>>>>>> Ah, I see - interesting :) The 2nd example isn't quite the same - >>>>>>>>>> it seems to have some noise on the left hand edge. Also, what PSM >>>>>>>>>> are you >>>>>>>>>> using? Can you send original size images you send to Tesseract? >>>>>>>>>> >>>>>>>>>> On Wednesday, 7 January 2015 23:05:08 UTC, Gokcer Gunes wrote: >>>>>>>>>>> >>>>>>>>>>> they are input image and output result ,inputs have same first >>>>>>>>>>> line but in first output M is correctly converted to M but in 2. >>>>>>>>>>> output M >>>>>>>>>>> is converted to H >>>>>>>>>>> >>>>>>>>>>> 2015-01-08 1:00 GMT+02:00 Allistair <[email protected]>: >>>>>>>>>>> >>>>>>>>>>>> I see the pictures, yes, but I don't understand the question. >>>>>>>>>>>> Can you elaborate in detail what the issue is? >>>>>>>>>>>> >>>>>>>>>>>> On 7 January 2015 at 22:48, Gokcer Gunes <[email protected]> >>>>>>>>>>>> wrote: >>>>>>>>>>>> >>>>>>>>>>>>> i uploaded them as pictures >>>>>>>>>>>>> >>>>>>>>>>>>> 2015-01-08 0:29 GMT+02:00 Gokcer Gunes <[email protected]>: >>>>>>>>>>>>> >>>>>>>>>>>>>> yeah resul pictures are in message you cant see them? >>>>>>>>>>>>>> >>>>>>>>>>>>>> 2015-01-07 23:56 GMT+02:00 Allistair C <[email protected]>: >>>>>>>>>>>>>> >>>>>>>>>>>>>>> Your question is not self-evident, what are you trying to >>>>>>>>>>>>>>> ask? Can you present your OCR results for each test you are >>>>>>>>>>>>>>> conducting? >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> On Monday, 5 January 2015 18:16:12 UTC, Gokcer Gunes wrote: >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> <https://lh3.googleusercontent.com/-QtKcTsT8fGY/VKrU2Bz4zZI/AAAAAAAAAD4/nCbru06vKac/s1600/testry2.png> >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> <https://lh6.googleusercontent.com/-FH8hQKrguns/VKrU0KDbMjI/AAAAAAAAADw/OMBj2VRxtyo/s1600/testry1.png> >>>>>>>>>>>>>>>> Examples is at above,what i am doing wrong? >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>> -- >>>>>>>>>>>>>>> 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 http://groups.google.com/ 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