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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4answers
1k views

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 ...
4
votes
3answers
12k views

Removing Background color in Paint.net

I have a .jpg image of a text logo, it looks similar to the example image here: I am using paint.net. Now, I would like to change the image to .png, then I would like to remove all the white ...
0
votes
3answers
3k 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) ...
2
votes
2answers
314 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 ...
2
votes
1answer
88 views

Batch populate JPEG IPTC keyword from csv or txt file

I have 50,000-plus JPG files which I've tagged for easy lookup by user-selected keywords. The database which matches image files with their keywords is proprietary and utility-specific. I want to ...
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1answer
106 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 ...
0
votes
1answer
29 views

FFmpeg command line with option tee muxer, output to video file, and image2 muxer at the same time

I would like to save still images from a video, which is on a direct http URL. At the same time I want to save the video as well. How can I use ffmpeg with its special tee muxer to save the images and ...
0
votes
1answer
63 views

ffmpeg convert image to mpeg/mp4

To convert jpg to avi this code works perfect on my server shell_exec("ffmpeg -f image2 -r 1/10 -i image.png out.avi"); I need to convert jpg/png images to mp4/mpeg. How do I do this?
0
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1answer
189 views

ffmpeg extract lossless image from video

I have a 5s fps25 mp4 video and I use the following command to extract jpg images from the video ffmpeg -i input.mp4 -r 1 -q:v 1 output_%01d.jpg The images are extracted successfully, but jpg files ...
0
votes
1answer
55 views

FFMPEG under Windows 7(64 bit) - creating timelaps video from jpg

My goal is to create a video from a bunch of jpg files. I have chosen FFMPEG (Windows 64) to solve this task The task I have more than 4k jpg files in a directory, all following the naming ...
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1answer
205 views

Convert jpeg quality to 80% using automator

I want to make a automator script that goes trough a folder with subfolders and convert all .JPEG (or .JPG) to the same JPEG, but with a quality of 80%. There is no option in Automator it self like ...
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votes
1answer
128 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! ...
0
votes
1answer
57 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 ...
0
votes
1answer
574 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 \ --...
0
votes
1answer
203 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 ...
0
votes
1answer
714 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 ...
0
votes
1answer
820 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 squares,...
0
votes
1answer
353 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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votes
1answer
80 views

Photoshop saves images larger than they were before

For some weeks I am wondering why jpg files I save with Photoshop are extremly big like a 300 x 300 image is around 600 KB even when I reduce its quality all the way down to 0. Its all in RGB 8 Bit so ...
2
votes
0answers
730 views

How to repair corrupt JPEG files

I have 100+ corrupt JPEG files. They were all taken from the same camera. Each file is approx 3MB, so there must be plenty of data to work with. Here is an example of one of the files. (Click here ...
2
votes
0answers
631 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
2k views

How do I edit a JPEG's EXIF data with Gimp?

I would like to edit a JPG EXIF data in Gimp. Perhaps I need a plugin or something, but I don't know how to search for and download the plugin. Plus, when Gimp opens a JPG it converts it to XCF format....
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0answers
224 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 ...
1
vote
0answers
19 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 ...
1
vote
0answers
301 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
138 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 ...
1
vote
0answers
694 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 ...
1
vote
0answers
665 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 ...
1
vote
0answers
953 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 ...
1
vote
0answers
589 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 ...
0
votes
0answers
29 views

Cannot Delete JPEG Image Files

I have a very odd issue with one machine. It seems to not want to delete JPEG files. If I try and delete it from within the Windows GUI, it just comes up with the estimating delete time and never ...
0
votes
0answers
26 views

selective reading of JPG files on ASUS projector P2B

My projector ASUS P2B is not able to read some JPG files recorded on microSD or USB. Particularly those from SONY A77 (24MP). Usually projector create subfolder with thumbnails, but not in this case. ...
0
votes
0answers
35 views

How get PPT 2010 to produce 220 ppi jpegs?

I've put together a photo collage as a single slide in PPT 2010 using a custom page size of 20"x16". When I save the slide as a jpeg, I use the Tools>Compress Pictures>Target output option to set the ...
0
votes
0answers
19 views

How to copy/sync pictures with certain xmp tags only

I want to copy jpg pictures to a matching folder structure (one way syncing) only when they include a certain XMP tag. For example: I have ALL my pictures in a folder structure on drive A. Within the ...
0
votes
0answers
41 views

Graphics saved in Publisher are an empty or solid black rectangle instead of an image

I create complex images in publisher, using the tool bar with text boxes, auto shapes, lines, etc. Then I save them as a picture - right mouse click ... Recently when I save my images they are saved ...
0
votes
0answers
31 views

How to upload a JPG to facebook with the caption pre-embedded?

What field do I have to put my caption into to have it show up on Facebook pre-captioned? I've been living on generating FBCMD scripts for years, but the developer has retired the project as of the ...
0
votes
0answers
150 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 ...
0
votes
0answers
419 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 ...
0
votes
0answers
47 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 ...
0
votes
0answers
46 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 ...
0
votes
0answers
81 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 ...
0
votes
0answers
95 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 (...
0
votes
0answers
49 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 ...
0
votes
0answers
110 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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votes
0answers
138 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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votes
0answers
78 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 ...
0
votes
0answers
33 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 ...
0
votes
0answers
515 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 ...