Questions tagged [scanning]

Questions about the process of digitizing a tangible object.

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29
votes
3answers
40k views

Best way to flatten a curled photographed book photograph?

I have photographed some pages of a book for reading. This is much faster than scanning and you don't have to carry the heavy books. However, the photographed books are not as nice: curved, skewed, ...
26
votes
6answers
60k views

How to convert old scanned documents into black and white

I have some old documents that have been scanned, and I want to convert them to black and white. Content should be always black, and background white: I use Photoshop.
21
votes
5answers
145k views

How can I remove the unwanted background from a scanned handwritten signature?

I need to upload my signature in a PDF document, but I do not know how to edit the background of this image. I wish to remove the bluish-tint background, and make it pure white. Can anyone help me ...
8
votes
4answers
2k views

Scan of paper: keep grain pattern, remove gradient

I have a hi-res scan of some paper, where you can see the grain. However, the scanner has made some parts of the page darker than others—for example, it is a lot darker near the page edges. This can ...
8
votes
1answer
3k views

Removal of scanning artifacts

I've had a couple of times when working with scanned images where the piece I need is obscured or otherwise blemished by things such as halftoning in the case of printed items or moire effects when ...
7
votes
2answers
4k views

How to determine a matching color code from a physical sample?

I need to make a restaurant menu design that matches restaurant wallpapers. For some reason my client cannot get color codes used in wallpaper, but he provided me with a sample. (see below) How can I ...
6
votes
3answers
13k views

How to scan charcoal and graphite drawings?

I was trying to scan some of my sketches in order to post them on some community sites, but the effects are quite bad. An example could be seen here: Basically, the contrast is terribly off. All soft ...
6
votes
3answers
20k views

Digital way of detecting and removing pencil traces?

I draw pencil sketches on paper and "ink" them using a variety of pens. (I'm using the term "inking" very loosely here to describe the process of drawing the final lines over a pencil sketch, no ...
6
votes
2answers
13k views

How can I merge an image scanned in parts into one complete whole?

I have a large image I traced and cut into smaller images to scan (because I have a small scanner). I need to manually merge the images back together but am only finding automated features that won't ...
6
votes
2answers
335 views

How to revive an old children's book?

I have a scan of an old children's book that contains both graphics and text. I want to revive the book for my children, while preserving as much as possible from the original layout and illustrations....
5
votes
5answers
73k views

Smoothing edges from jagged to a beautiful curve

I've had to scan a logo that was printed by a very low-DPI printer. This printer messed up all the curves in the picture and created some very jagged edges that are quite visible when the logo is big (...
5
votes
2answers
8k views

Is there a way to extract the pantone colors from a scanned image?

I have this scanned image from a magazine that I have scanned myself, from this image I want to obtain certain colors, and I want them to be from a Pantone pallet, is there a way to do this? To be ...
5
votes
2answers
968 views

What are my options for gallery-quality prints of digital artwork?

I have some traditional media artwork that I'd like to scan and then have printed to be shown in an art show. I'll be doing the scanning. Where do I go to get this done? (What is the generic name for ...
5
votes
2answers
106 views

Highlighed areas on scanned images

1. Summary I have some third-party poor-scanned grayscale images with highlight areas. Is it any chance to turn these images into normal? 2. Data Example image with highlighted area — ...
5
votes
2answers
1k views

Scanning line art for press

I would like to know what's the standard resolution for line-art if you'll include it in a for-press production? I intend on this process: scan image (as RGB or Grayscale) convert to grayscale if ...
4
votes
4answers
31k views

What should I do when scanning hand drawn images?

My friend is an illustrator and has lot of sketches that she wants to digitize to put online. She is also working on a children's book. How should she scan the images and what are some beginner steps ...
4
votes
2answers
28k views

How to make type in Photoshop match that on a scanned image

I have scanned some text, and I need to add a name in matching type and style. I have tried, but it's not as jagged as the scan, and doesn't look the same. How do I make the added type match the ...
4
votes
5answers
4k views

Adjustment layers do not apply after merging layers. Why?

After merging my layers, it seems that the adjustment layers do not apply. The same happens when I export on jpeg also. Is there a reason? To make you understand the whole process: I scanned some ...
3
votes
4answers
9k views

How to scan A2 format?

My brother is an illustrator. He owns an A4 scanner, and it seems A2 scanners are too expensive for him. And he makes most of his creation in A2 format now. Is there a simple program to scan a grand ...
3
votes
4answers
3k views

How to convert a picture into black lines and a transparent background?

I've looked at a couple of previous questions, but I haven't been able to apply it to my question. I'm trying to extract the black from this picture (so I can turn it into a vector later in ...
3
votes
3answers
23k views

How can I reduce/smooth the colors of an image?

I have an drawing that was created with colored markers. I've scanned it and would like to use it as clip-art/icon style image. I'm wondering how I can smooth out the colors of the image such that ...
3
votes
3answers
32k views

Remove blue lines in Photoshop

I have seen a lot of very different tutorials about how to remove blue lines from a scanned drawing. So I ask myself what is the best way in term of simplicity and quality to do this in Photoshop (CS3 ...
3
votes
1answer
2k views

How do I determine what the image file format and resolution should be when scanning?

I was recently asked for help with digitizing a large set of photographs - tens of thousands of the things, that need to be digitized so they can be sent to book publishers and possibly other types of ...
3
votes
1answer
5k views

Fixed line thickness for scanned, traced drawings in Illustrator

Context: So I drew some logos in black pen on paper and scanned them in order to make vector images. I traced the outlines (b&w) which worked great. My original, hand drawn lines look a bit shaky ...
3
votes
1answer
269 views

Scanning black & white line drawings

I want to scan an A3 BW 300 DPI fashion illustration line drawing to eventually render in Photoshop. However I want to draw the head 3 x larger using the same pen thickness to enable more fine detail. ...
3
votes
2answers
7k views

Scanning colored pencil illustrations and prepare them for printing?

I would like to know how to scan a coloured pencil image properly, without having that grey dots around the image and without expose it so much. My scanner is a Epson V330 Photo and I made the ...
3
votes
3answers
4k views

How do I prepare a scanned pencil sketch for coloring in Photoshop?

I want to color sketches in Photoshop, but when I prepared the sketch (using Levels, Hue, and other modifications) to turn it into workable line art, some details were missing. I think it depends on ...
3
votes
1answer
5k views

Gimp: how to remove background noise/artifacts and enhance handwritten text

I have a lots of scanned handwritten lecture notes (PDFormat) and I want to improve their readability (I have uploaded an example). In particular I'd like to remove the "squares" on the back. I would ...
3
votes
1answer
342 views

Cleaning up DPI/PPI for scanned graphics to put on the web?

I am trying to figure out the most efficient method for editing raw scanned documents so they look best at 72PPI when published on a website. I have an example here which is from a 600DPI source scan. ...
3
votes
1answer
11k views

How to enhance text and line drawing scan in photoshop?

I have photographed text and writing with usual camera. Picture contains black printing lines and blue pen writing. Picture contains the following artifacts: 1) paper is not white 2) non-uniform ...
3
votes
2answers
3k views

What is a good scanner on a budget? [closed]

For my purposes, I think that a good scanner plus a vector graphics program is just as good as a drawing tablet, if not a better deal for the money, because I can use a tracing algorithm in ...
3
votes
0answers
352 views

How to join separate scans of same object

Am scanning game maps using an A4 scanner, so typically they are more than one file. Is there a semi-automatic or automatic way to join them properly? For example, take two images that might overlap ...
2
votes
4answers
708 views

Best tools for scanning doodles?

I like to doodle with pencil and paper. I'd like to scan it, or take a picture with my phone, then have as much of it converted to vectors as possible. Ideally, my crooked lines would become ...
2
votes
3answers
1k views

Does a scan need descreening if meant to be printed at the same size?

Most tutorials online related to scanning a document are dedicated to film scanning. If not, then it's about saving old photos on a hard drive and viewing them on a screen. For that second case, they ...
2
votes
2answers
14k views

How can I improve a poor quality scan/photo of an ink signature on paper?

I am trying to "transfer" my signature from paper to the computer. Here is the procedure I followed, yes you may laugh, I know it. My question is, is it possible instead of the hard lines I got to ...
2
votes
1answer
376 views

Scanned document prints with a blue background from Photoshop

I have scanned a document, and now I need to print it. The document has both black and blue on it. However, it has a white background. When I print it from Photoshop it prints with a light blue ...
2
votes
1answer
138 views

Filling areas in scanned maps (not by colors but by pattern)

I have old land-use maps in a scanned format. I am trying to obtain proper land-use maps from it, similar to what is described here: https://gis.stackexchange.com/questions/71650/how-to-compare-areas-...
2
votes
1answer
580 views

Adjust levels in a set of scanned images in GIMP

I have 4 images that I scanned and saved as TIFF using my 4 in 1 desktop scanner/printer thing. I drew all the images myself by hand using the same pen, so the originals are quite consistent. When I ...
2
votes
1answer
253 views

Uniformizing background in scanned images

I have some old photographs that I have scanned. While the image of the person is clear, the background has several blurs and is not a perfect black as one would desire. Is there a way to detect the ...
2
votes
1answer
50 views

Black lines save as grey

I am a very basic user, I scan pencil (comic) drawings as tiffs and use Photoshop cc 2015 to darken the lines and clean up a bit, and put text balloons and save again as tiffs. I use the 'levels' ...
2
votes
3answers
238 views

How do I scan black and white, minimize file size, but keep gray image tones in shading?

I'm attempting to scan some documents with basic science and math diagrams in black and white that can be emailed. The challenge is that some of the pages contain diagrams with gray shading. Many of ...
1
vote
2answers
138 views

Additional layers in "scanned" PDF

I recieved a package of PDf that were scanned from original documents. Files are rather lighweight but when linked in InDesign they slow it down and make creating PDF immposible (the export stop on ...
1
vote
2answers
77 views

How to use PhotoShop to enhance these images to make them more readable?

I have an old scanned book, which is of low scan quality. But for normal text pages, I can use PhotoShop to enhance it and this is an enhanced page. As you can see, it's basically readable. It could ...
1
vote
3answers
5k views

How to remove the textured background from a handwritten text document?

I'm using Adobe Photoshop. I noticed that there are other questions similar to this one. However, the reason I'm posting my question is, when I followed the instructions in the other question about ...
1
vote
2answers
372 views

Budget workflows for transforming pencil design into professional looking digital image

My family does light artistic stuff for fun - almost exclusively drawn with mechanical pencil. This isn't fine art - no vine charcoal sketches of bowls of fruit, it is just for fun. We would like to ...
1
vote
2answers
88 views

Hi-res, low file size scans?

I often get pdfs from engineering firms that are only 80 or 90 MBs and can contain up to 24 sheets of 36" x 24" drawings and they will print out very sharp. But when I scan 1 drawing in Photoshop and ...
1
vote
2answers
255 views

Maintaining correct line thickness and small dots seem mutually exclusive in Illustrator's Image Trace

I am attempting to use Image Trace to vectorise an illustration drawn with technical pens. The drawing has variable line thicknesses, which I want to preserve as accurately as possible, but also small ...
1
vote
2answers
41k views

How can I sharpen the lines in a scanned diagram?

I have a black-and-white diagram (floor plans) scanned from a printout. It's mostly OK, but some of the lines are visibly faded or blurred in places, so it "looks" scanned. I've tried various options ...
1
vote
1answer
142 views

What is the most accurate way to transport a physical sketch via email?

I have a sketch on paper that I would like to send to someone via email. What can I do to send it to them without changing the size of it and will still allow for them to print it back onto paper? ...
1
vote
2answers
3k views

Which manufacturers are producing mid-level and high-end artwork scanners?

I have been asked to do some research into mid-level and high-end flatbed A3 scanners used for professional artwork scanning (think illustrations for children books). I am not acquainted with this ...