What does "scale (6.9282) less than --minscale; skipping" really mean? is
it the resolution of the image? DPI?
I too have this issue. Curious to know what the issue is?
On Friday, August 24, 2012 6:12:36 AM UTC-4, carolin wrote:
>
> Hi,
>
> we installed ocropus 0.6 on an virtual Ubuntu 12.04 maschine according to
> the instructrions on your web page and got the following assertion on one
> of our files when using the ocropus-recognize-book script:
>
> carolin@carolin-VirtualBox:~/ocrinput$ ocropus-recognize-book
> testbild2.png -o output.html
> book directory ./_book-003266
> testbild2.png -> ./_book-003266/0001.png
>
> === preprocess
>
> # ocropus-nlbin ./_book-003266/????.png
> === ./_book-003266/0001.png 1
> flattening
> estimating skew angle
> estimating thresholds
> rescaling
> ./_book-003266/0001.png lo-hi (0.05 1.00) angle 0.0
> writing
>
> === page segmentation
>
> # ocropus-gpageseg ./_book-003266/????.bin.png
> ./_book-003266/0001.bin.png
> ./_book-003266/0001.bin.png: scale (6.9282) less than --minscale; skipping
>
> === line recognition
>
> # ocropus-lattices ./_book-003266/????/??????.bin.png
> Traceback (most recent call last):
> File "/usr/local/bin/ocropus-lattices", line 56, in <module>
> args.files = ocrolib.glob_all(args.files)
> File "/usr/local/lib/python2.7/dist-packages/ocrolib/toplevel.py", line
> 204, in argument_checks
> result = f(*args,**kw)
> File "/usr/local/lib/python2.7/dist-packages/ocrolib/common.py", line
> 509, in glob_all
> raise Exception("%s: expansion did not yield any files"%arg)
> Exception: ./_book-003266/????/??????.bin.png: expansion did not yield any
> files
> Traceback (most recent call last):
> File "/usr/local/bin/ocropus-recognize-book", line 79, in <module>
> run(args.linerec,book+"/????/??????.bin.png",m=args.model)
> File "/usr/local/bin/ocropus-recognize-book", line 57, in run
> assert subprocess.call(args)==0
> AssertionError
>
> We attached the sample file which we used. Is there any obvious thing that
> we are doing wrong?
>
> Best,
>
> Carolin
>
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