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  1.    21 Jun 2017 #1
    Join Date : Mar 2016
    Posts : 137
    Windows 10

    Sharpen An Image ?


    I have downloaded an image to my computer, a ground plan of a large country estate, showing the culverts, drains, water pipes etc. etc. ....is there a programme I can use to sharpen the image, as the reference is very hard to read.....W10 built in magnifier only makes the reference more blurry.....I would post a screenshot of the image, but not too sure on the copyright.......if the original image is that bad, will anything enhance it ?.....any thoughts appreciated........Del.
      My ComputerSystem Spec
  2.    21 Jun 2017 #2
    Join Date : Aug 2016
    S/E England
    Posts : 4,488
    10 Home x64 (1709) (10 Pro on 2nd pc)

    Quote Originally Posted by Del 80 View Post
    ....is there a programme I can use to sharpen the image...
    Try opening it in Windows' built-in Photos app. Click the 'Edit' icon (or type Ctrl-E) then click 'Enhance' and see if that improves it. For manual control, click 'Adjust' instead, the 'Clarity' slider adjust the sharpness.

    ... if the original image is that bad, will anything enhance it ?
    There's a limit to what can be done depending on how bad the original is (even with top of the range paid-for software). Some improvement should be possible though.
      My ComputersSystem Spec
  3.    21 Jun 2017 #3
    Join Date : Dec 2013
    Portsmouth Hampshire
    Posts : 1,827
    Windows 10 x86 14383 Insider Pro and Core 10240

    What format is the image file - .png, .jpeg etc?

    Is it possible to download a different format such as .pdf or .djvu - which will enlarge with much greater sharpness?
      My ComputersSystem Spec
  4.    21 Jun 2017 #4
    Join Date : Mar 2016
    Posts : 137
    Windows 10
    Thread Starter

    I can open it in Windows Photo Viewer, and the slider does make it slightly clearer, but not enough to be able to read the reference.......it is something called a .bro file, which I have never heard of.........
      My ComputerSystem Spec
  5.    21 Jun 2017 #5
    Join Date : Mar 2017
    Posts : 5,728
    64-bit Windows 10 Pro

    A Desktop wallpaper will be better if it is in a .PNG format.
      My ComputerSystem Spec
  6.    21 Jun 2017 #6
    Join Date : Dec 2013
    Portsmouth Hampshire
    Posts : 1,827
    Windows 10 x86 14383 Insider Pro and Core 10240

    .bro is apparently a proprietary format from Broderbund Properties LLC - a software house with a lot of titles going back many years, but I have no Idea regarding the properties of the image file, or how it may be improved.
      My ComputersSystem Spec
  7.    21 Jun 2017 #7
    Join Date : Mar 2016
    Posts : 137
    Windows 10
    Thread Starter

    O.k thanks.....so if possible need to convert the file BRO to PNG ?.....will have a look.
      My ComputerSystem Spec
  8.    21 Jun 2017 #8
    Join Date : Aug 2016
    S/E England
    Posts : 4,488
    10 Home x64 (1709) (10 Pro on 2nd pc)

    Quote Originally Posted by Del 80 View Post
    O.k thanks.....so if possible need to convert the file BRO to PNG ?.....will have a look.
    No, conversion won't improve it. An original .png image may loose something if converted to a .jpeg (or .bro) with a high compression, but converting back can't restore that.

    If this image is publically available to view on the web, then posting a link to the page it's on wouldn't breach any copyright. We could then see what your problem is.

    BTW, there's another possible explanation of what a .bro image is....
    ...Google released a compression algorithm called Brotli and gave files it makes the extension “.bro”...
    https://forums.theregister.co.uk/for...itics_worries/
      My ComputersSystem Spec
  9.    21 Jun 2017 #9
    Join Date : Mar 2016
    Posts : 137
    Windows 10
    Thread Starter

    O.k , thanks for that....I have converted it to PNG, and it is slightly better, bearing in mind that the original plan, of which my image is a photograph, was drawn in 1935, it is hardly surprising that it's not very clear.......with regard to the .bro file ,
    I acquired it as a Google image, so that could explain that......thanks guys......
      My ComputerSystem Spec
  10.    21 Jun 2017 #10
    Join Date : May 2015
    Posts : 1,643
    Win 10 X64 Pro 15063

    Sorry to be discouraging, but I'm not sure that image sharpening can do much, unless you're in a Hollywood spy movie.

    It depends on what sort of blurring is present. If it's due to sampling (pixelization), it's probably impractical to recover much information.
      My ComputerSystem Spec

 
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