Converting an image into another format or color space

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73 views

how to maintain the pixel clarity using ffmpeg to resize .gif to .gif format [duplicate]

I want to reduce the resolution of the .gif file but I need the clarity to be maintained with the same .gif format. Here is the ffmpeg image resize command which I used. ffmpeg -i input.gif -y -s ...
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2answers
4k views

How can I convert a PDF to an editable Visio file?

I have old PDF document (image of a map), and I want to import it into Visio to edit/update it. What is the basic workflow to follow. Attached is sample PDF. Is there a way to trace the lines/shapes ...
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0answers
22 views

converting scanned imaged into a single DjVu file

AFAIK there are several ways to do this on Linux. I'm a Window's user. Any way to do it on Windows?
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1answer
442 views

Use ffmpeg for JPEG to TIFF conversion

I would like to use Tesseract OCR with a video. With ffmpeg I can export some (.jpeg) images from a video. Can I convert a .jpeg into a valid .tiff or export directly .tiff images from the video with ...
0
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1answer
211 views

Is there any command line docx to image converter available?

Is there any docx to image (jpg, png, bmp, ...) available with command line support? It's better to have one in windows, but if there is any in linux, that's great too.
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308 views

Creating a movie from images using ffmpeg but getting only one frame

I read How to create an uncompressed AVI from a series of 1000's of PNG images using FFMPEG (specifically the section "Compressed RGB, But Also Lossless") and used this command: ffmpeg -i *.png ...
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1answer
1k views

convert multiple jpg into one with linux [duplicate]

I have multiple jpg that come from a scanner. I want to combine all into one ? how ? I have seen something like $ convert -adjoin *.jpg one.jpg but it create multiple one.jpg images.
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1answer
266 views

What is wrong with this attempt to crop an image with ImageMagick's convert utility?

I am trying to make a tool that will, in imitation of responsive design on the web, make iPhone / iPad wallpapers by taking the largest centered crop-to-device-dimensions it can, and programmatically ...
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2answers
1k views

Convert an image strip into gif

By "image strip" I mean a sequence of images all concatenated into one, single, long image. For example, assuming each frame is of equal size at 128x128 pixels ------------------------------ | 1 | ...
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0answers
27 views

Convert PDF to JPG via GhostScript [duplicate]

I try to convert a multi-page PDF to a single JPG. I only want the first page of the PDF converted. Since I want to use them as thumbnails the JPGs need to be like 100x100px in high quality. I have a ...
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5answers
12k views

How do I batch convert thousands of NEFs to JPEGs?

I accidentally set my camera (a Nikon D70) to shoot in NEF only and not NEF+JPEG. Obviously, this will be a major pain when I want to go through them all. I don't envy having to wait for seconds at a ...
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1answer
790 views

Converting large SVG to PNG file

So I have a 16mb SVG file with about 30,000 nodes and I've been trying to convert it to a 10,000x10,000 png image. I tried a lot of stuff and the closest I got was with inkscape, but it got some weird ...
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1answer
49 views

Postscript to png conversion loss

When converting Postscript files to PNG, is there any loss of fidelity in the converted files? The postscript files are scanned at 1200DPI. If there is such loss, how can it be kept minimum? I'm ...
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5answers
4k views

Bad results converting PDF to EPS on Linux

I'm having some trouble converting PDFs (created by Adobe Illustrator on a Mac) to EPS. I have tried several things but I am wondering if there is a better option. The following list is ordered by ...
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0answers
207 views

Acrobat 8, PDF Optimizer has no effect, convert embedded PNGs to JPG?

I use the PDF Optimizer feature in Acrobat Pro (v8) to reduce the file size of DTP-generated PDFs by downsampling the embedded images to a lower resolution. This normally works fine. However today ...
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1answer
2k views

how to convert PDF to PNG without converting white background intro transparency

I am converting a PDF (which I made with R) to a PNG with a command like this: convert -density 200 foo.pdf bar.png This generates a PNG allright, but the white background is transparent in the ...
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3answers
4k views

How to batch-convert JPG files to uncompressed TIFF

I need to collect 1000 uncompressed TIFF files. I have a large set of JPG images, so I decided to convert them to TIFF format. The loss in quality is ok in this case for me. I used the following ...
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1answer
338 views

Verify image quality using ImageMagick?

We are converting group 4 TIFF images to PNG; this may deteriorate the quality. Is there any way to automate image quality verification using ImageMagick?
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2answers
6k views

Program to convert a dst file to jpeg

I am looking for a program (preferably free) to convert a DST file to Jpeg (or PNG) I know DST is an embroidery format and not much else so I don't even know if this conversion is possible?
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2answers
846 views

Batch conversion of PVR to JPEG (or similar)

(This question was originally posted at gamedev.stackexchange.com, but it was suggested that this may be a more appropriate place for it) The command line PVRTexTool works very well for getting ...
2
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1answer
3k views

Convert .ai to .png?

I just downloaded a free vector graphics set which contained UI elements and icons. The button graphics have some text on them. It were, however, .ai files which are not familiar to me. Obviously, I ...
3
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3answers
6k views

Bulk convert PNG-24 to PNG-8 files with best quality

Can anybody recommend a good method of bulk converting a large amount of PNG-24 files to PNG-8 with as little loss of quality as possible and maintaining transparency? I've tried ImageMagick but the ...
17
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5answers
20k views

How to convert a multi-page PDF file to PNG files, with one PNG file per page of the PDF document?

How do I convert a multi-page PDF file to PNG files, and automatically save one PNG file per page of the PDF document (for Windows 7)? I have tried virtual printers (CutePDF, Bullzip PDF Printer) and ...
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6answers
48k views

How to convert .jpg images to .eps?

How can I convert a .jpg image to an .eps?
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4answers
9k views

How do I convert a .PNG into a .ICO?

There's an image in the VS2010 stock icon pack which is only included as a PNG, which I would like to use as an ICO (I want XP and earlier users to see the icon). How can I convert the PNG into the ...
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3answers
103 views

Recommendation for a good image format conversion program

Does anyone know a good (and preferably free) program to make conversions like to change a format? I want to get a image of 95 x 120 pixels from a photo I have in order to use a particular application ...
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4answers
3k views

Render a 3D image as a 2D vector image

Is there any software that will take a 3d model (in any format) and allow you to render it as a 2D vector image (preferable as either an .SVG or .PDF)? My intention is to render LEGO building ...
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4answers
8k views

Converting Mac OS X's Picture Clipping Files to Image Files

My wife has extracted a bunch of images from a larger document by individually selecting the images and then dragging them to a folder on her Desktop. These now show up as "picture clipping" files in ...