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 ...

learn more… | top users | synonyms (1)

0
votes
10answers
4k views

Reducing image size on Windows XP

I have a scanned JPG file and due to high quality scanning, the file size is large. What I would like to do is reduce the image size of the file, keeping the jpg format, but losing Quality obviously. ...
1
vote
1answer
8k views

What is the difference between jpeg Progressive and Optimized in photostop?

When saving a image for web and devices as JPEG, I can either choose progressive or optimized (or none). What is the difference between both and what should I use ? In my case, the image is the ...
0
votes
2answers
3k views

If I convert my file to PSD to JPEG, does it remember the width and height of the picture?

So I'm doing some card invites on my computer. I'm using photoshop, and I've got it with the height and width that I want to print it out. The only problem is, I'm going to have to take the file to a ...
2
votes
2answers
10k views

Print jpg's with file names

I have MS Office 2010, Windows Paint. Prefer to print multiple photos on a page with their filenames. Any suggestions? I am using office computer so I cannot install any software.
1
vote
1answer
45 views

Missing extension - explorer issue?

In this picture, right at the bottom you can see Files of type: Then it says Pictures (*.bmp, *.png, *.jpg, *.gif) My question is, how can I add the extension .jpeg in there?
2
votes
3answers
6k views

Convert Multi-Page PDF to Single JPEG or TIFF File on Mac

I am trying to submit a paper to an academic journal. My file is in PDF form. Unfortunately, the journal only accepts papers as JPEGs or TIFFs. I can turn a single page into a JPEG using preview. ...
0
votes
1answer
198 views

Fixing texture with JPEG artifacts?

I have this texture: That I really want to use. The problem is when I zoom in to it, it is full of JPEG artifacts and does not scale nicely. I tried a few noise reducing plug ins but they did not ...
0
votes
2answers
83 views

Jpeg size difference

I have a 2560x1600 JPEG image and its file size is 2,532KB. Due to a website's upload restriction, I had to reduce the size of the image. Naturally I thought, "I'll just resize it in Windows so I can ...
2
votes
1answer
1k views

Using convert to covert multiple jpg files to pdf - pdf quality

I used the command convert *.jpg out.pdf to convert multiple jpg files to pdf. But the quality of the output pdf is very low. Is there a way I can increase the quality?
10
votes
4answers
13k views

Is there any drawback to just renaming jpeg files to jpg?

A client sent me many jpeg files that I'd like to rename to jpg. Is this just a matter of renaming them, or should I open them with an image editing program and then saving them as jpg?
0
votes
0answers
468 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 ...
13
votes
4answers
14k views

How to batch combine JPEG's from folders into PDF's

I have a about 500 folders with images inside. Is there a way I could batch convert this so that I get .pdf files that contain all images inside as pages? EDIT: There should be 500 PDF's created, ...
0
votes
1answer
272 views

GPS metadata in images

I know that in JPG and TIFF images GPS location is (can be) stored in the Exif data. Are there any other formats that provide GPS location in metadata? I looked through the PNG specification and ...
0
votes
3answers
5k views

How to make a photo bigger?

I've downloaded a photo with a pixel size of 300x366. It is a jpeg, at 27.7Kb. How can I enlarge the image's size, without distorting it? Using Paint doesn't seem to work for this.
2
votes
2answers
3k views

JPG files are too small when converted from PDF with imagemagick

I'm on Ubuntu 10.04 with imagemagick. I used this command: convert myfile.pdf -density 300 file.jpg This works well, but the JPGs are only about an inch high. How can I preserve the paper size in ...
0
votes
2answers
264 views

Image to PDF quality

I am converting multiple jpg images to a single PDF using following command convert *.jpg mybook.pdf but the pdf quality is not good. Is there a way to retain the original quality of images in ...
0
votes
0answers
560 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
7answers
4k views

How to fix an image that doesn't open in Photoshop, even though it opens fine in a browser?

Someone emailed me an image. I see it in Gmail, and I can see it in a browser, but when I try to open it up on Photoshop, I get an error saying: Could not open "XYZ.jpg" because an unknown or ...
5
votes
3answers
252 views

Arrange JPG images based on JPG compression/quality

I have been looking for a way to arrange JPG images based on the quality/compression level of the images. I want to do this so that I could select only those images which has less compression (let’s ...
0
votes
1answer
831 views

EXIF DateTimeOriginal format - disable seconds recording

the EXIF DateTimeOriginal format is YYYY:MM:DD (HH:MM:SS) per its specification. I don't want to records the seconds from the time. I want my format to be YYYY:MM:DD (HH:MM). How I can achieve this, ...
8
votes
5answers
3k views

OS X: How to perform a lossless crop of a JPEG image?

I'm looking for a simple way to losslessly crop JPEGs on OS X. Particularly, is there some way to get Preview to perform a lossless crop?
1
vote
4answers
233 views

How do I explain to my mother how to convert a bunch of PNG files into JPEGs?

Mom asked me to scan in a bunch of photos for her previously, and I scanned them in as PNG files; namely because most any software package can read them, and they don't throw away any of the photo's ...
0
votes
1answer
2k views

How to make 3D images for parallax displays (like Nintendo 3DS and Evo 3D)?

How do you make 3D images for parallax displays? I really want to make content for the Evo 3D. I will be converting 2D images in post production. I already know the basic principles behind this ...
0
votes
1answer
768 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 ...
2
votes
2answers
762 views

How to open mystery JPEG file?

I have a folder that contains JPEG files that I cannot open. Here is one example mystery file. Can anyone help me to open the file or suggest a way of recovering the data if it is corrupted? [update] ...
1
vote
0answers
380 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 ...
3
votes
2answers
163 views

Which file format starts with 0xAD 0xE1?

A friend of mine has a collection of .jpg that cannot be opened because they start with 0xAD 0xE1 (so says GIMP). Any idea which file format these may be?
2
votes
2answers
803 views

What meta-information is contained in an image file?

I'm wondering what information is contained in an image file like JPEG or PNG. I know that most of them contain a metadata file, but anything else other than that? Anything relates to the license ...
0
votes
1answer
8k views

Automatically set default Save As… image file type to JPEG in Photoshop on Mac OS X

In Photoshop, on Mac OS X, is there a way to have the file type in the Save dialog automatically set to JPG? If not, is there an easy way to trigger an AppleScript program to set it that way? Seems ...
0
votes
3answers
175 views

Seemingly identical JPG files, though one is corrupt

I posted this question the other day: Suggestions on how to repair corrupt files The files I used in example were perhaps not the best. These are still ever so slightly NSFW, but I now have two files ...
0
votes
1answer
276 views

Paint for Windows seven 64 bits: How to change the default save format from png to jpg [duplicate]

Possible Duplicate: Is it possible to change MS paint's default save file type to PNG When I copy an image in Paint and want so save it, the default format is png. How is it possible ...
0
votes
1answer
2k views

Suggestions on how to repair corrupt files

( Warning, sample images are slightly NSFW; tattoo work shows a little bit of boob. ) Previously I had a Mac OS X sparse-bundle dmg and used DropBox on two computers. I would add to my secure ...
4
votes
2answers
4k views

A thousand JPEG images in a Word document: how can I format them in the same way?

Please suppose you have a Microsoft Word 2007 document: you have just inserted in it about a thousand of JPEG images. With the first image, you do right-click, then FORMAT PICTURE, then option ...
1
vote
1answer
326 views

Convert large JPG to zoomable SWF

I have a largeish JPG (2400x1000) of an organogram. It would be good to be able to convert this JPG into an SWF that could be zoomed with the mousewheel when displayed within a webpage. Is this ...
0
votes
4answers
149 views

How i can apply water mark on many images in a single click

I have a large collection of Books. I have all pages in JPEG format. I want to apply a text of My website transparent on each page. I have made an image by the help of Adobe photo shop. But its very ...
1
vote
0answers
216 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 ...
0
votes
1answer
657 views

combining images into timelapse movie

I was going through the steps listed in: How can I combine 30,000 images into a timelapse movie? When I run the mencoder command, I get an error saying: [mf] search expr: *.jpg ============ ...
1
vote
2answers
339 views

Free JPEG EXIF remover capable of woking directories recursifely needed

Do you know one? Ideally it should just get a directory name and run. So, EXIF editor with per file approach is not what I am looking for. Thank you.
2
votes
2answers
640 views

How can I edit photoshop's open & save dialogue to put JPEG first?

It's just always bugged me. The one format everyone uses most... is halfway down a list of 20 file formats. I want jpeg at the top, and while we're at it let's just file GIF under "G" instead of under ...
2
votes
6answers
12k views

Decoding base64 images and saving to a file

I need to save a few base64 images from a web page to actual GIF and JPEG files on my hard drive. Is there a utility out there that can assist me? I've looked around and either I'm not seeing one or ...
1
vote
4answers
5k views

Saved Visio drawing (VSD) as JPG, how to covert it back to a Visio file?

I have made a class diagram and i have saved it as a JPG from Microsoft Visio. How do I convert the JPG to a VSD file so that I can make changes to it?
0
votes
1answer
88 views

Huge Image Problem [duplicate]

Possible Duplicate: Good software for printing a poster? Hi All, I have a great problem , and I have no idea how to solve it , I have create a chart (Mind map) in Smart draw, what I want ...
1
vote
2answers
3k views

How to make JPG images that can be played as music files

I came across a strange image: Apparently, somehow they managed to make a JPG file also play as a media file. I'd like to know what program you use to do this.
4
votes
1answer
2k views

Recursively resize images from one directory tree to another?

I have a large complex directory tree full of JPG images. I would like to create a second directory tree that exactly mirrors the first, but resizing all the images down to a set size (say 2000x1500 ...
0
votes
2answers
6k views

Identify a font by extracting vector from a JPEG

I'm trying to identify the font used in this graphic. Alternatively, is there a way to extract this letter out into a vector graphic form that I could scale up? I have Pixelmator at my disposal.
2
votes
2answers
4k views

Fastest JPEG thumbnail generator for Linux

I'm looking for the fastest command-line image converter for Linux which can read a JPEG image, scale it down to at most 1366x768, and write a quality 50 JPEG image. Something like this, but much ...
0
votes
1answer
613 views

Corrupt picture folder

I look at my pictures in my computer today and noticed that one folder containing hundreds of picture were corrupt. I can't open the images. Is this a common problem? I wonder what possibly is ...
1
vote
1answer
629 views

Does iPhoto do lossless JPEG cropping?

If I crop a JPEG photo in iPhoto and then export it as JPEG, is the exported version re-compressed a second time, or does iPhoto somehow crop without re-encoding, thus avoiding further image ...
0
votes
3answers
385 views

Tool to repair line drawings / diagrams wrongly saved as jpgs

When you compress a line drawing as a jpg, it goes kind of blurry. Areas of solid colour become areas of slightly variable colour etc. Are there any tools out there that attempt to fix this kind of ...
2
votes
1answer
219 views

Encoding multi-jpegs with mencoder, skipping broken files

I've multiple jpegs uploaded form IP cam via FTP, I use mencoder to periodically pack them into single avi file, problem is that sometimes one or two jpegs submitted by cam are broken, and this make ...