Hello, I need to despeckle a scan of a document consisting of black text and greyscale images. Basically I want to remove all isolated pixels, but without. Despeckle removes undesired noise—small dots or stray pixels—that may be introduced to the page during the scanning process. Images that have been. Hi folks – just came upon this board looking for some help, so here goes: I need to find a way to setup a batch process which will run the.

Author: Zunris Arall
Country: Ethiopia
Language: English (Spanish)
Genre: Finance
Published (Last): 15 April 2016
Pages: 298
PDF File Size: 18.65 Mb
ePub File Size: 2.41 Mb
ISBN: 898-7-99657-729-8
Downloads: 93752
Price: Free* [*Free Regsitration Required]
Uploader: Mubar

Thanks for your help. I would try to use the despeckle option that comes with my scanner software. The issue is as you are guessing with the non-glossy finish reflecting the bright light from the scanner. Yes, Acrobat could have a pixel level editing tool, but by using Photoshop, I can usually get what I want with an application that is actually designed to do this kind of stuff. These filters were in Adobe Photoshop. Purchase an aerosol can of dulling spray despeckoe an art supply store and dust the surface enough to remove the highlights.

I think the problem is the type of paper of the photo, which is not smooth a bit rough.

Otherwise, the software might have difficulty identifying the letters. Use the absolute minimum to do the job. Then sharpen with the Unsharp Mask filter. PhotoDeluxe has the Despeckle filter that works well, and a Gaussian Blur filter that is named Soften. The Descreen filter does something very similar, and is easier to use, but manual methods offer more control.

Therefore, it is possible that in some cases, the pattern may not be as noticeable when printed. That is, increasing resolution from dpi up to surely does help, but decreasing from to dpi probably does not. On the scanner dialog, you can select to optimize your scanned images, but with newer versions of Acrobat, there is no longer a “despeckle” option which was there until probably Acrobat 9.


Soft Sun by Toph. Despeckling looks for small dots that don’t fit with their surrounding area and is the appropriate filter for this kind of problem.

So the suggest[ed] solution is to paste a text box over the random speckle or dot and then delete it just like I would do to text. Home Questions Tags Users Unanswered. How to remove white spots from a scanned picture? Sign up using Facebook. However, severity does vary with resolution and resampling. You can not post a blank message. By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies.

And after the resample, sharpening with a Unsharp Mask filter is especially needed. You will find the scanner’s Descreen filter to be better easier and more effective than most other techniques. I would have thought the tech guys at Adobe would have addressed the removal of these disfiguring items in Acrobat 12 so as to make the edited. The software tool that perform this type of elaboration do not require a human intervention, are extremely fast and can work on monochrome, gray-scale or color.

Because Adobe Acrobat Standard DC has no eraser tool or efficient substitute, I am a very unhappy customer and will pass my complaint along to other attorneys or perhaps look despecckle them for resolution of the dot and speckle problem, if they have discovered one using Adobe Acrobat Standard DC. Different programs differ in their despeckle capabilities, and this determines the accuracy of the OCR results.

These tools allow then to identify the correct orientation of reading and decide for yourself if the document is straight or whether to automatically rotate images 90, or degrees. Now I find out that was a misrepresentation of fact.

Removing random dots or speckles in scanned doc | Adobe Community

I am very disappointed. Acrobat is an application that does a lot of things and scanning is just one of the many features it provides. I am not interested in color reproductions in my.


Photography Stack Exchange works best with JavaScript enabled.

A few scanning tips

The english term used to identify this type of dirt is the word speckle, and the cleaning operation for the identification and removal of these points is defined despeckle. Karl, what the agent is suggesting is that I go to the “Edit” toolbox, select the “text box” tool and surround the random dot or speckle despsckle a “text box” and, thereafter, change the color of despeckpe interior of the text box to the color “white”, thereby in effect “erasing” the dot or speckle.

After you scan a document using Paperport’s scan function, you can save it to.

Our products that implement the Despeckle technology Recogniform Desktop Reader. I don’t speak for Adobe – I am a user of Adobe’s PDF technology – but based on the Acrobat history, I doubt that you will ever see a pixel level editor or an “erase tool” as you call it in Acrobat. I tried a denoiser filter which didn’t make any difference. Please type your message and try again.

Using “Optimize Scanned PDF” to batch deskew/despeckle

ecanned I just downloaded DC. Patrick Hurley 2, 7 Personal information removed ]. Some OCR tools have the capability to clean up images to make them easier to recognize. Resampling helps because it is a blurring process, it averages and blends the colors from multiple pixels to create one resulting pixel.

artifacts – How to remove white spots from a scanned picture? – Photography Stack Exchange

I have the same question Show 1 Likes 1. Turn that on, cranked up to the maximum if necessary. I used Adobe photoshop. The picture itself it is ok. It is also said it helps to rotate the original slightly on the scanner bed.