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2
votes
8answers
35k views

How to straighten out images in a PDF file?

We have here a large industrial printer/copier that also scans pages into PDFs. Unfortunately it scans crookedly, just a little bit. I know there is software out there that straightens out images. ...
30
votes
4answers
2k views

“Security” issue with PowerPoint, Word (2010), etc., retaining cropped screenshots

I made the worrying discovery today that after cropping a screenshot in Word, PowerPoint, and probably other Microsoft Office programs, the rest of the cropped screenshot is retained. This has made me ...
1
vote
1answer
18 views

How to batch resize many photos - but keep timestamp intact?

I have thousands of photos in many folders. I want to batch resize them to e.g. 3000px on the longest dimension and keep the timestamp intact. I have used the wonderfully simple tool Phatch to resize ...
1
vote
0answers
16 views

Export layer of photoshop as is?

Please forgive me if this is a stupid question but I could not for the life of me figure this out. I followed this tutorial on adding weathered looks to your artwork and it worked wonderfully. The ...
0
votes
0answers
18 views

Applying image filters before using ScanTailor

I am planning to scan images from microfilm of an old periodical (mostly text, occasional illustrations, all black and white), from which I would like to create a DjVu, perhaps with OCR. I would like ...
2
votes
2answers
13k views

How to make transparent background of a gif animation?

I have a gif animation with white background. Is there a simple way (e.g., free or shareware application) to remove this white background and make it transparent?
-1
votes
2answers
53 views

What kind of image compression causes this color banding? [closed]

I have two images. The first is before undergoing lossy compression: Picture #1: The second is after undergoing lossy compression: Can anyone explain to me what is going on here? How does this ...
1
vote
2answers
35k views

How to convert a 24 bit JPEG image into 8 bit image?

I have a 24-bit image. I need to convert it into an 8 bit JPEG image. Can it be done by MS Paint or MS picture manager or I need to download any tool. I tried some tool but that did not work. Will ...
11
votes
2answers
5k views

What's the state of the art in image upscaling?

I like to collect cool pics and use them as wallpapers or for other things. Often, artists publish only low-res versions, probably for fear of theft. Example: Now, if I want to use that as a ...
7
votes
1answer
2k views

Convert grayscale image into alpha channel image in unix shell

I have a gray-scale image. I want to convert it into an transparent PNG, such that the black pixels (in the original image) become fully opaque, the white pixels become fully transparent, a 50% grey ...
0
votes
1answer
17 views

How can I fit an image to a rectangle in visio?

I'd like to make a rectangle in visio that behaves as though it has background-size: cover applied. This means that the image is used as a texture, and resized to cover the entire rectangle, while ...
2
votes
1answer
41 views

How to crop images in batch and then re-crop the same way

I am getting automatically generated screenshots of our application, some of which need cropping, since they may only relate to a pop up window or some small portion of the screen. Is there some way ...
0
votes
1answer
24 views

How do I get a brush colour the same as the background colour of the image?

I'm trying to remove image elements on a mostly white document, yet when I use the white paintbrush, it leaves a glaring white streak. When I use the magic wand to select elements to remove, it also ...
2
votes
3answers
346 views

Image resize tool with “auto-center” feature [closed]

Does anybody know of a tool that can resize an image and automatically center it on it's new dimension? Example, I have a 200x300 image, I wanted to resize it to 300x300 putting whitespace of 50px on ...
3
votes
3answers
138 views

Is there a tool that allows me to edit a picture so that it has an exact file size?

For various reasons I want to scale down a couple of images so that they have a specific file size. I want to convert gif, tiff and jpeg files. Is there any tool that allows me to do that with a ...
0
votes
2answers
114 views

Can TIFF images store embedded thumbnails in them like JPEG (JPG) files can?

Can TIFF images store embedded thumbnails in them like JPEG (JPG) files can? I noticed that in XNview, when you save a TIFF image there is an option to set the JPEG quality (of the TIFF image). ...
1
vote
3answers
249 views

what free app can i use to resize an image to specific heigh x width? [duplicate]

Possible Duplicate: Windows tool to resize / crop images before uploading to web site I have an image that is huge and i want to re-size it down to 375 x 210 px to enter a competition. I ...
0
votes
2answers
3k views

How to concatenate two images?

If I have two image files (eg. JPEGs) and I want to have one on the left side and one on the right side to make up one image, how do I do this?
1
vote
1answer
119 views

How to view (and make) a huge seamless picture made of smaller images?

I'd like to be able to view a gigantic picture (approx. 150'000 × 50'000 px) made of smaller images (4096 × 4096 px each). Are there any software or web applications for that? also on topic: There ...
0
votes
0answers
20 views

Open PicPick ImageEditor in a new blank image mode with a shortcut

I am able to open the PicPick Image Editor with a shortcut in the 'Pick a task' mode but I would like to learn whether it's possible to set up a shortcut that would open the Image Editor in a 'new ...
0
votes
2answers
35 views

ImageMagick's mogrify tool darkens PNGs (when only trying to resize)

I'm trying to use the simple command to resize images and overwrite the originals: mogrify -resize 80% * My source images are semi-transparent PNGs that happen to be grayscale. The resize operation ...
0
votes
1answer
130 views

Image Resizing by Slicing

A while ago I read an excellent treatise on resizing images without visible aspect distortion, using an intelligent slicing algorithm. I even found a Gimp plugin to do this, but I have completely ...
2
votes
2answers
444 views

Slicing a huge image to parts with dimensions of more than 1000 pixels

I have 1,000 x 15,000 pixel image (that is, a super tall scroll), and I would like to split the image in parts with dimensions of 1,000 x 2,000 pixels (the scroll cut up vertically in 8 pieces). I ...
1
vote
4answers
1k views

What's a good tool to create 2D geometry figures? [closed]

What is a good tool to create geometry figures in elementary geometry textbooks (dealing with subjects such as triangles, circles, Pythagorean theorem and Ptolemy's theorem)? P.S. Anyone with ...
-1
votes
1answer
67 views

How to tile multiple images [closed]

I need to tile multiple images into one image such that there is no space between any of the adjacent images. Is there any software out there which provides me this facility?
-2
votes
2answers
683 views

How to rotate image by less than one degree? [closed]

How to rotate image by less than one degree? Which free software can I use?
1
vote
1answer
102 views

How to make a text document image just black and white without grey color, grey background, folding lines, and paper wrinkles? [closed]

If a text document (or a form) is scanned or taken as a photograph and emailed to somebody, the image when printed, could have a grey background, grey folding lines (of the paper), and wrinkles or ...
1
vote
1answer
58 views

Coreldraw importing from autocad incorrectly

Ok I have an odd issue. We use coreldraw to print to our laser cutter. (X3 usually but this happens in X5 as well). You can see the issue in the photos below. In autocad the squares are equidistant ...
0
votes
0answers
59 views

Modifying the BMP image header to increase the height and width of the image

So, during some cryptanalysis I find it necessary to modify a particular BMP image's DIB header so that I can increase the height and size of the image. Here's what I have been able to find: typedef ...
0
votes
1answer
36 views

What software you use to add arrow lines, red border boxes, etc on your image? [closed]

What software do you use to edit over some images, floor plans, etc ? Like if you want to add arrow lines, red border boxes, blur something quickly.. I'm using Photoshop, but it takes too long to do ...
0
votes
1answer
6k views

How do I increase the resolution of an existing image in Gimp?

I need to obtain a print quality image from an existing image. The image dimensions are 1024 x 768 pixels. The current resolution is 64, 64 Image --> Print Size --> X resolution, Y resolution ...
8
votes
7answers
71k views

How can I 3D-rotate an image around the y-axis in Photoshop?

How can I use Photoshop in order to rotate a bitmap image on the y-axis? I'm trying to make it so that the right side of the image will go "into" the screen, and the left side will go "out" of the ...
0
votes
2answers
11k views

How to recover pixelated text from JPEG image with Photoshop?

I've got a JPEG image with text on it (badly scanned document), which is hardly readable. I have already played around with the sharpen filters, contrast, levels and the color replacement tool, with ...
6
votes
3answers
6k views

How can I edit banknote images in Photoshop CS?

While designing some personal stuff, I encountered troubles copy-pasting a banknote image into Photoshop CS2. I saved a Dollar bill from the web to my desktop, but trying to open it, even ...
4
votes
5answers
33k views

Rotate a picture by a small number of degrees

Sometimes when I take a picture of a rectangular object, it comes out rotated by a small number of degrees (less than 5 or so). I can make the space where the rectangle isn't white or whatever, but ...
1
vote
4answers
84 views

Converting a series of bitmap images to grey scale

I have a series of bmp image files containing RGB encoded data. I need to convert all of these images in to their greyscale equivalents. I have considered two approaches for this, both turned out to ...
4
votes
2answers
2k views

Freeware psd file editor [closed]

Looking for a Windows freeware tool to edit psd (Photoshop) files. Should be able to both open and save psd files.
0
votes
2answers
142 views

Editing screenshots [closed]

After taking a screenshot of a big window, I'd like to cut out the middle part(s) and move the sides closer together, so it results in a smaller picture with only relevant details displayed. ...
1
vote
0answers
55 views

Automator workflow/service or Applescript for looped edits in Preview [closed]

I was originally trying this with Automator, but if someone can guide me to accomplishing this easier with Applescript then feel free, though i haven't worked with it before. I'm trying to get the ...
5
votes
1answer
900 views

Is there any software to analyze and detect 'fake' hi-res images (TIFF when really JPEG, deliberately upscaled images)?

In my line of work I often work with images for print marketing from multiple sources and occasionally when I have asked for hi-res images (instead of initially the low-res ones that they start by ...
0
votes
1answer
31 views

Looking for fast image editor to add text, marks to screenshots [closed]

I am trying to find a fast tool the edit screenshots already taken with marks, text and rectangles ... Something like lightshot but for screens already taken. Edit: Lightshot link
1
vote
2answers
6k views

Photoshop CS5 - Use quick mask to blur all layers beneath

I'd like to know how I would use Quick Masks in Photoshop (CS5) to blur all layers below the masked layer. Example:
1
vote
0answers
52 views

Batch cropping WMF

I have lots of wmf images from a simulation software which need to be included in a word document. To maintain best quality wmf seems to be the only way. The software creates a frame around the plot ...
1
vote
0answers
57 views

how to manage images in emacs org mode

I am considering switching from zim wiki to org mode for managing collection of web page pieces. Typically it includes images and texts I copied from a web browser. The question: 1 how to insert ...
0
votes
1answer
75 views

Recognize a shape in a image

I have a folder with 10.000 images. 60.000 images of cars and 40.000 images of motorcycles. I`m searching for a way to filter the images with some sort of shape/pattern recognition. The result that i ...
2
votes
2answers
293 views

Simple image editor to select area of image as wallpaper [closed]

I've spent way to many hours looking for software to do the following simple task, so now I'll ask. I need software that will open an image and put a 'crop box' on it. You can set the 'crop box' ...
5
votes
5answers
10k views

PNG Batch resizing and saving while preserving transparency

I've got about 700+ png images. I need to resize and save them. However I also need their transparency to be intact. I tried Irfanview, but that didn't work. GIMP works, but I can't find a batch ...
0
votes
1answer
102 views

How do I blur colour borders in Paint.NET

I have a document from which I am trying to remove marks. I'm doing so the only way I can, with the colour-picker and the paintbrush, painting over the marks with the closest colour around them. This ...
0
votes
0answers
35 views

Imagemagick: Advanced JPG to PNG convertion

How could I do something like this with Imagemagick?: imagemagick -inuput:0*.jpg select-by-color:ffffff -threshold:15 -fill:fffff -mode:greyscale -mode:index:17 -output:Original_filename.png Using ...
0
votes
1answer
654 views

Mac Terminal: Loop through subdirectories and optimise all images

I have a folder containing many subfolders full of images. See attached image for example. Basically I want to loop through them all and downsize the images so none are wider than 1024 pixels. ...