JPEG is a lossy-compression method for a digital image. The images can end up in many JPEG image containers (JPEG, JPG, JIF, JPE, JFI, JFIF) depending on the parameters surrounding the compression of the image data. JPEG is actually an acronym for Joint Photographic Experts Group, the group that ...

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Corrupt Jpeg Files after Burning Cd in Windows 7

Well here's a weird problem: I have a folder of JPEG images on my harddrive, and burned a handful of them to a CD using the built-in Windows 7 CD burner software. Now, I can't open those files ...
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2answers
283 views

PC to Mac picture transfer not working, done through networking. Mac cannot see the photos

I have a Windows XP Pro desktop and a Mac laptop. I connected the laptop to the PC with an Ethernet cable. I then picked the folder I wanted to transfer over and I "shared" it. I then connected with ...
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2answers
6k views

How to convert JPEG JFIF files to JPEG Exif format?

I recently put the SD card of my camera in a Windows 7 PC and start browsing pictures on it. I noticed some were not aligned correctly and use rotate feature included in Windows Photo Viewer in order ...
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2answers
2k views

Convert PDF to JPG without Imagemagick

Is there a way to convert a common UTF-8 encoded PDF to a JPG without using ImageMagick or Ghostscript? The reason I'm asking is, that I have to replace or "simply" double layer a small part (date) ...
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1answer
3k views

7-Zip: Unsupported Compression Method while trying to extract a zipx file that consists of JPEGs

A zipx file I received consists of .csv files and .jpeg files. I used 7-zip to extract them. While the .csv files were sucessfully extracted, the JPEG files didn't. The error was something like this ...
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1answer
99 views

Most space-efficient format for image with large dimensions but few colors?

Recently I have had to scale up the dimensions of a gif image by a factor of 2, this resulted in an increase of the file size by about 8 times. While this is not a complete surprise, I can't help but ...
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1answer
17 views

Can't View Thumbnails when trying to open JPEG files

In Photoshop, I put in a CD with my images, when I try to select a file, I can't view the thumbnails. Only the Photoshop icon! It showed the actual picture before, and all of a sudden it stopped! ...
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1answer
45 views

JPGs seem corrupted on Arch but are good on Fedora and Windows7

I re-installed Arch on my computer (clean install). Since then when copying images (JPG) and movies (mov) from SD card they seem to be corrupted. When rsync-ing to the computer some of the files ...
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1answer
188 views

PHPFarm with jpeg integration

So I'm attempting to get phpfarm up and running, but for some reason can't get jpeg support from gd to work... Here are my config options configoptions="\ --enable-bcmath \ --enable-calendar \ ...
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1answer
93 views

Why there are JPEG files with weird file names in folders with videos

Windows 8.1: 64-bit. Since couple of days I see that that in every folder containing a video[s], found a JPEG file with a weird name followed by a file name of a video in the folder. + Is that ...
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1answer
376 views

How can I convert a large PDF to PNG?

I want to convert a very large PDF file (>2GB) to a PNG (or JPEG) file so that it is easier to open and look at. I want to do that without opening the PDF file since it is too large to be opened. Is ...
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1answer
538 views

creating an alpha channel for a jpeg image in paint.net

i'm using paint.net until I can afford photoshop elements. I notice that you can change the opacity slider in the layers menu opening 'properties', then it shows an image with the transparency ...
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1answer
208 views

Default file extension for picture downloads on Chrome?

My google chrome will only save pictures as KanKan (then there's some Chinese: 图秀 or something) How do I get it back to .jpeg as a default? (the drop-down menu only says "all files")
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1answer
883 views

Change background color of 1000 jpg files

I have 1000 jpg files in which all have a white background. Is is possible to change the white background color to red (for example) of all the files in order not to have to do it one by one ? I ...
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0answers
439 views

Append JPG to MPG Video ffmpeg/mencoder

I've found a lot of solutions for creating a video from a folder of jpgs, in this case a time lapse stream of photos from a camera. Thats easy, but seems to waste a lot of computing power ...
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0answers
17 views

Software to link up photos in a line to form one image

I have several (around 50) photos of multiple sections along a river, each with a metre stick in the photo for scale. I need a way to link these photos up in a single image, whilst being able to crop ...
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0answers
210 views

Image optimization: Photoshop CS6 vs jpegtran / OptiPNG

Is there any difference in terms of algorithm for optimization between Photoshop's Shift+Alt+S (save for web) and jpegtran's -optimize and -progressive? It seems my images are not reduced (or reduced ...
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0answers
560 views

ffmpeg extract I-Frames, GOP to jpeg sequence

This is kind of hard to explain, so bear with me. So I'm looking for some way to export video GOP frames to jpegs. I'd like to preserve the I-Frames, P-Frames, B-Frames, etc. So that the next frame ...
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0answers
483 views

A way to perform lossless JPG edits in Adobe Photoshop CS6?

I perform lots of small edits of JPGs daily on my computer, and was wondering whether there was a way to perform cropping and rotation without the loss of quality during recompression. I know there ...
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0answers
421 views

SWF to JPG conversion

Are there any command line utilities (apart from swfrender which seems to be currently broken for big resolution output) which would allow me to convert .swf files to raster images (preferably .jpg ...
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0answers
222 views

Duplicate Images / Tags - sorting and removing

I have folders full of camera images that I have copied and backed up between my laptop, computer and external hard drive(s). I want to organise and sort them, and remove duplicates, so I have used a ...
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0answers
33 views

Unable to open invalid jpg file

A few days ago I took pictures from my camera and uploaded them to my computer. Now the photos that I took few days ago was appear to be corrupted or invalid format. I have tried use third party ...
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0answers
32 views

.png images load great - .jpg images are blurry on website

I've searched around and found lots of information about blurry images and I've implemented some of the fixes I found and it worked on about 50% of them. I'm posting Android apps and iOS apps - all ...
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0answers
54 views

Corrupt CR2\JPEG file - correct size but all zeros in Hex editor

I have an SD card with some RAW images (.CR2) and JPEG's that show the correct size but won't open (invalid image). Hex editor shows all zeros in these files. Before you answer the obvious "All zeros ...
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36 views

Saving Images as Filenames in Excel

I have a product information sheet from a supplier that needs to get uploaded into an ecommerce platform. However, the spreadsheet contains actual images in the image column instead of filenames. I ...
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0answers
29 views

How to display a fragment of an image file using Scalpel

I am working on a demonstration using Scalpel and its abilities to carve out image files. I took a small thumb drive and filled it with many small sized files until it was full. I then went and ...
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0answers
22 views

Windows: how to enable tags on old image files?

I have a lot of old photos which I want to tag. For cross-platform compatibility, I want to use IPTC Keywords for tagging. As far as I read, the native Windows photo tagging capabilities use IPTC ...
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0answers
24 views

Exporting image in a specific Meter:Pixel scale from AutoCAD

I have a .DWG model which I would like to export from AutoCAD as an image (preferably JPEG) with a specific scale of (lets say) 100 pixels per 1 meter (1:100) The overall size of the image should be ...
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0answers
35 views

Check corrupted pictures on Synology?

On my computer I use the jpeginfo command for checking if my pictures are corrupted or not. I am trying to use the same command on my Synology. I tried to manually install jpeginfo on my DS212 ...
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0answers
29 views

jpegtran says “Unsupported marker type” when trying to open a file. How to remove unsupported markers from it?

I have a photo, it opens fine in image viewing software (such as Preview.app), but jpegtran (MozJPEG 3.0, not specific to this version) refuses to work with it, saying "Unsupported marker type 0xfa". ...
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0answers
39 views

trying to open damaged jpeg images

I have jpeg images that have been recovered on my computer but I cannot open them. I presume they are damaged. I have tried using Jpegsnoop and also Format factory 3.34 but cannot open them. I tried ...
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49 views

Broken pdfs after extracting from ods file

I have several xls files with lots of embedded pdfs in them and I need to automatically extract them. I have an almost working solution for this. First I convert these xls to ods using LibreOffice, ...
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0answers
75 views

FFmpeg - Converting JPG to AVI issue

I'm having an issue converting jpg files to avi using ffmpeg. I use this command: ./ffmpeg -start_number 1 -i ~/PycharmProjects/images/test/img%04d.jpg -vcodec mpeg4 test.avi My files are named ...
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0answers
84 views

How to scan documents into Windows 8.1 as JPEG images?

I recently updated my computer from Windows 7 to Windows 8.1 and downloaded an up-to-date interface for my Brothers MFC-J825DW printer to accommodate scanning documents. Unfortunately, now when I ...
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0answers
1k views

How to convert PSD to JPG or PNG on Linux with Gimp CLI/batch mode (or other server-side tool)?

I've been working on a theoretically simple web service to convert PSD or AI files to jpeg, png or some web-compatible format. I was able to successfully use ImageMagic's convert -flatten sample.ai ...
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0answers
56 views

jpg repeating gif imagemagick

so this is my first post on Stack Overflow after years of being a read-only guy. This time i have hit a wall and can't really get past it and would really appreciate your positive response. This is ...
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0answers
91 views

Using jpegtran with ffmpeg via piping?

I use ffmpeg to generate a ton of jpeg images. However, these jpegs aren't optimized by ffmpeg. On average, the images losslessly compress another 10-20% when I run them through jpegtran. I don't ...
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0answers
27 views

Browser downloads jpgs, doesn't display them

My browsers (Chrome, IE both exhibit this behavior), when faced with an href link that points to a .jpg file, downloads it rather than displays it. I think perhaps something happened with file ...
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0answers
483 views

Join Audio and 2 Images Output as Video using FFmpeg and Video should be acceptable by youtube

I know this question is similar to the question here Join Audio and Image -> Output as Video using FFmpeg, But my requirement is bit more. I want to join to 2 image files with an audio file to ...
0
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0answers
646 views

Convert JPEG image to MPEG-2 Video

I am working on a digital screen unit which has a 2-3 second delay with still images, but no delay for MPEG-2 video. I have used Photoshop CS5 to export the JPEG into MPEG-2 (MP4(ISMA)), but the ...