What is the working process of doing multiple images OCR using imagelist.txt

[mit]

Hi,

I want to know the internal memory working of tesseract when multiple images are defined in a txt file for doing ocr of those.

Does it loads all the images in the RAM and then process it? Or it loads one by one and process it.

Thanks

[adamuk73]

I ran a test on tesseract 4 on Centos 8 running around 67 MB of tiff images (around 260) and the process consistently took just over 100 meg of RAM though it did take a long time to process.  i7-6600U running 2 cores on a VM with 2 GB of RAM

[mit]

Hi,

Thanks for answering, but my question was a bit different.

I want to know when we place imagepaths in a txt file,how does tesseract process it? 

Does it load one at a time and process it or loads all the images in memory and process those one by one.

Thanks

[adamuk73]

Running the same test with double the DPI doubles the memory usage.

[mit]

I am not sure if you got my question,

[Zdenko Podobny]

It loops over filelist [1]: processing one filename at time.

[1] https://github.com/tesseract-ocr/tesseract/blob/cdebe13d81e2ad2a83be533886750f5491b25262/src/api/baseapi.cpp#L1007

Zdenko

pi 17. 4. 2020 o 12:42 mit <kollol...@gmail.com> napísal(a):

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[mit]

Thanks a lot for clarifying.

On Friday, April 17, 2020 at 7:44:29 PM UTC+5:30, zdenop wrote:

It loops over filelist [1]: processing one filename at time.

[1] https://github.com/tesseract-ocr/tesseract/blob/cdebe13d81e2ad2a83be533886750f5491b25262/src/api/baseapi.cpp#L1007

Zdenko

pi 17. 4. 2020 o 12:42 mit <kollol...@gmail.com> napísal(a):

Hi,

I want to know the internal memory working of tesseract when multiple images are defined in a txt file for doing ocr of those.

Does it loads all the images in the RAM and then process it? Or it loads one by one and process it.

Thanks

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