Jpeg vs tiff

Hi
As we know, every time you "open and save" a jpeg image in Photoshop, it compresses the data, resulting in a loss of image quality.
Does the same thing happen when you "save" a project consisting of jpeg images in Keynote ? ... and I do a lot of savings . I work with the 1280x720 format.
I am just wondering if I should save my images to tiff in Photoshop prior to exporting them into my Keynotes project.
Tks
jc

Thank you Tulse.
I am new at Keynotes and so far, am impressed. At first, it was a bit intimidating because of some of the wordings used ie inspector, but I think I'll be OK. Still a lot to discover.
Tks
jc

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I wish to export several frames from iMovie as if they were images (like JPEGs or TIFFs). Is it possible to do this using iMovie, if so how? Any advice is greatly appreciated. I've already managed to 'add a freeze frame' to isolate the desired frames but I can't export it. Thanks.

Ach... I found a solution thanks to previous posts which came to light after I'd posted what was obviously a question that had been asked before.

Can I automate the writing of XMP metadata into JPEG and TIFF files?

I have written an ASP.NET 3.5 website application on behalf of an annual international photographic competition. Entrants will be uploading digital photos in either JPEG or TIFF format. Ideally, I would write entrant identity and image title information into the XMP metadata for each image immediately after upload - but so far, I have failed to find any way to do this in ASP.NET.
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I use a Win XP PC, though I have a colleague who, I think, has CS3 on his Mac (running under the Leopard OS), so scripts for either platform might be usable.
David

You are the man X!
Ok here is another version with a check for the dll.
#target bridge
   if( BridgeTalk.appName == "bridge" ) {
addInfo = new MenuElement("command", "Update Entry Details", "at the end of Thumbnail");
addInfo .onSelect = function () {
     main();
function main(){
var csv = File.openDialog("Please select CSV file.","CSV File:*.csv");
if(csv != null){
loadXMPScript();
csv.open("r");
while(!csv.eof){
   strInputLine = csv.readln();
   if (strInputLine.length > 3) {
      strInputLine = strInputLine.replace(/\\/g,'/');
   inputArray = strInputLine.split(",");
   var csvFile = new File(inputArray[0]);
   var title = inputArray[1];
   var author = inputArray[2];
if(!csvFile.exists) {
alert(csvFile + " Does not exist"); //////////Check if file exists
return;
if(csvFile.exists){
var file = new Thumbnail(csvFile);
try{
var xmpFile = new XMPFile(file.path, XMPConst.UNKNOWN,XMPConst.OPEN_FOR_UPDATE);
}catch(e){
      alert("Problem opening xmp for update:-\r" + file.path +"\r" +e.message);
      return;
try{
var xmp = xmpFile.getXMP();
}catch(e){
      alert("Problem opening xmp data:-\r" + e.message);
      return;
xmp.deleteProperty(XMPConst.NS_DC, "creator");
xmp.deleteProperty(XMPConst.NS_DC, "title");
try{
xmp.appendArrayItem(XMPConst.NS_DC, "creator", author, 0,XMPConst.ARRAY_IS_ORDERED);
xmp.appendArrayItem(XMPConst.NS_DC, "title", title, 0,XMPConst.ARRAY_IS_ORDERED);
}catch(e){
      alert("Problem writing xmp data:-\r" + e.message);
      return;
if (xmpFile.canPutXMP(xmp)) {
xmpFile.putXMP(xmp);
}else{
alert("Can not write new metadata to " + csvFile.spec);
xmpFile.closeFile(XMPConst.CLOSE_UPDATE_SAFELY);
unloadXMPScript();
function loadXMPScript()
   var results = new XMPLibMsg("XMPScript Library already loaded", 0, false);
   if (!ExternalObject.AdobeXMPScript)
      try
         ExternalObject.AdobeXMPScript = new ExternalObject('lib:AdobeXMPScript');
         results.message = "XMPScript Library loaded";
      catch (e)
         alert("Could not load AdobeXMPScript \r" + e.message);
         results.message = "ERROR Loading AdobeXMPScript: " + e;
         results.line = e.line;
         results.error = true;
   return results;
function unloadXMPScript()
   var results = new XMPLibMsg("XMPScript Library not loaded", 0, false);
   if( ExternalObject.AdobeXMPScript )
      try
         ExternalObject.AdobeXMPScript.unload();
         ExternalObject.AdobeXMPScript = undefined;
         results.message = "XMPScript Library successfully unloaded";
      catch (e)
         results.message = "ERROR unloading AdobeXMPScript: " + e;
         results.line = e.line;
         results.error = true;
   return results;
function XMPLibMsg (inMessage, inLine, inError)
   this.message = inMessage;
   this.line = inLine;
   this.error = inError;

I use images for presentations. Recently I've noticed a decrease in quality ( sharpness and definition) of pictures copied into Keynote. Same problem with both JPEGs and TIFF files. I've recently upgraded to keynote 09, but with no improvement.

I use images of paintings for presentations. Over the last 3 months or so I've noticed that I cannt copy images (either JPEg or TIFF) without a reduction in sharpness and definition. Hope someone can help with this problem.

Figured it out myself! yay! (only took my entire moring)
The solution:
Dont print to PDF!
SAVE AS COPY, then select Adobe PDF and click SAVE, this will bring up a dialog box with the options you need (including the "High Quality Print" Adobe PDF Preset)
This was not clear in any of the instructions i read

Jpeg or tiff files....which ones ?

I really need to know what is best for keeping the pictures and working with them. I shot my camera Fuji S2 Pro at High quality giving abut a picture of 34 MB. In Tiff format of corse that is to much to keep on the library I was over 36 GB. on my powerboo, so I decided to keep the original on an external hard drive and export the picture on JPEG or Tiff here is the dilema, is beter to export the full image as JPEG (using iphoto export capability) or to reduce the image ...say to 1500 x 1000 Tiff document and then import to the new iphoto library on the poerbook...I undertood that JPEG images lose quality when they are open , and close or ¿just whe they are resave? . Well is perfectly find to stick to JPEG can some body make clear what is the diference beween JPEG and Tiff?. ¿I there a quick way to swicht between iphoto libraries?
Thanks....

A quick way to switch between iPhoto libraries?
Search versiontracker.com for iPhoto Buddy and or iPhoto Library Manager.
I think that jpegs loose a little quality when resaved, not when opened and closed.
It would be better to export full size jpg rather than reduce the size.
bd

Kamera-jpeg in tiff speichern in PSE5

als totaler PSE5-Anfänger werde ich trotz Handbuch nicht schlau:wie kann ich meine jpegs(habe absolut keine Lust auf RAW)am besten und einfachsten verlustfrei als Tiff speichern?Reicht es,die Dateien als Jpeg zu importieren und erst nach evtl Bearbeitung als Tiff zu speichern oder muß ich das schon beim importieren vor der Bearbeitung machen?Falls die Umwandlung nur nach Bearbeitung ausreicht,muss ich dann jedes einzelne Bild umständlich in Tiff umwandeln?
für eine kurze Info dankt ein genervter Anfänger im voraus

Danke für die Antwort
1.Gegen RAW spricht,dass ich keine Lust auf aufwendige Bildbearbeitung habe,mit den Jpegs aus meiner Sony R1 und Fuji S5 bin ich vollkommen zufrieden.
2.Ich will Jpegs nach TIFF konvertieren,um sie Verlustfrei zu speichern.
3.Ich MÖCHTE NICHT in RAW arbeiten.Meine Zeit für ein Foto verbringe ichaltmodisch vor der Aufnahme kreativ hinter der Kamera,nicht vor dem Screen!
4.Genau hier wollte ich als Anfänger Hilfe haben,für mich sind genau diese einfachen Fragen,wie ja gepostet,nicht schlüssig.....
Vielleicht kann mir jemand einen kurzen Tip geben,ohne mich von RAW überzeugen zu wollen..danach hatte ich nicht gerfragt,
Danke

Photo Stream only supports JPEG, PNG, TIFF and RAW files.

I'm using Panasonic LX3 with its RAW format (a supported RAW format since sometimes with iPhoto '09 already)
When I choose to Photo Stream my images after import with iPhoto '11, it says "Photo Stream only supports JPEG, PNG, TIFF and RAW files."
My files are RAW formats so why can't I photo stream it?!
Is there something I can get around or need to wait for Apple to support this?!

You don;t have a preset set. What you are seeing is normal behavior when importing Raw files.
What you see at first is the camera produced JPG preview imbedded in the Raw file. Aperture puts this up while it decodes the actual Raw data. This JPG has all the special settings and enhancements set on the camera and is basically the image that would be produced if you were shooting JPG.
As a rule none of the settings on the camera (apart from the basics) are applied to the Raw file though some of the newer cameras have settings that could affect the data stored in the Raw file.
This is a often asked question by those just getting into Raw and you can search the discussions here for other answers to this question.
Given the capability of today's cameras, especially the high-end ones, a lot of users have decided to abandon Raw as unnecessary if they are happy with the images the camera produces. It's all a matter of personal needs.
regards

Importing JPEG and TIFF

I have some jpeg and tiff images on a disc. I saved the images to my desktop and then imported them into FCP. The problem is that some of the files seem to be bad. Some have a red horizontal line through them and some have blue lines through them. I checked it on another computer and they read fine. I tried saving the images to the desktop a second time but now different images are bad. FCP will not read the bad files.
Any thoughts?

I have some jpeg and tiff images on a disc. I
saved
the images to my desktop and then imported them
into
FCP. The problem is that some of the files seem to
be
bad. Some have a red horizontal line through them
and
some have blue lines through them. I checked it on
another computer and they read fine. I tried
saving
the images to the desktop a second time but now
different images are bad. FCP will not read the
bad
files.
Any thoughts?
Bad quality when looking at the pictures via the
canevas on the computer or via an external screen ?
The RGB check is a really good idea. I would also consider putting the images on an external media file. The fact that FC is looking on the system drive could be causing some of the problem.

Edit jpegs or tiffs using Raw interface in Elements 10?

     Hello- When I was using Elements 8, I could easily edit jpegs and tiffs in the Photoshop Raw interface.
      (I know that's not the same as an image originally shot in Raw, but nevertheless it was very useful in some situations.)
      Now I'm using Elements 10, and either I've forgotten how to do it, or it can't be be done. Can anyone give me some instruction?
Thanks!

Hi Dominic - Thanks for the reply ... but I think I must be missing something obvious.
First, FYI I am using a Mac. In Elements 8, I was doing exactly what you suggested, and it worked fine.
With Elements 10, I see no button to switch to Camera Raw. (I can convert to Photoshop Document (PSD,) or save to Photoshop Raw, but tneither of those brings up the RAW interface. If you or anyone can point me to something I must not be seeing, please let me know!
Thanks Again
Dan Hall

How does ACR save edited JPEG and TIFF files?

When a JPEG or TIFF file is edited in ACR, are the edits destructive when you click the "Done" button, permanently changing the file? Or is the edit info saved in sidecar files like with edited RAW files, not affecting the original file?
If I reopen a previously edited JPEG file in ACR, will the adjustment settings be the same as where I left off, allowing me to change those edits, like a crop or HSL adjustment? Thanks.

First: There is a Camera RAW Forum.
http://forums.adobe.com/community/cameraraw
Second: It should be fairly simple to test your hypotheses.
And on my station at least it appears the data is stored in the file and not as a sidecar-file.

Unsupported canera - JPEG or TIFF?

Aperture 3.1.1 does not support the RAW files from my Sigma DP2s. I am storing the RAW files separately in case the camera is supported in the future. With Sigma's software, I can convert the RAW files into JPEG or TIFF and then import them into Aperture. Does it really matter whether I import the JPEG or TIFF? There is no RAW fine tuning for either. TIFF is lossless, the file sizes are larger, but there's no image quality difference compared to JPEG to my eyes. There might be a differences for larger prints, though. So, should I just import the JPEGs into Aperture to save the disk space? Any suggestions?

Hello Chris,
Welcome to the user-support Aperture discussion group.
The question you ask is not an Aperture question, per se, but rather a general digital picture format question.
The difference wouldn't be to your eyes when viewing on your screen. Even at full screen, you are probably only seeing 10% of the pixels in your image. Yes, JPEGs are good enough for most prints, but will they be good enough for all of them that you want to make? You won't know until you print them. I can often tell the difference in photos larger than probably 5x7. (My eyes are pretty in tune with JPEG artifacts. My wife doesn't notice them, though.)
Perhaps if you answer this for yourself, you will figure out what you need:
Why are you taking RAW photos at the start of your workflow if you aren't concerned with all the data a picture can offer at the end of the workflow?
I.e., why start with RAW from your camera if you are just going to use JPEGs at the end?
nathan

Exif tool and Export Jpeg and Tiff files

I run Lightroom 4.4 under Apple OS X10.4.4
When I export files Exif Tool (in Graphic Converter) under ICC header shows for Jpeg "Primary Platform = Microsoft and for = Tiff Apple; and under ICC Profile Color profile for Jpeg = HP but Adobe 1998 for Tiff. I can see that there is a difference between the profile for Jpeg and Tiff (eg sRgb and Adobe1998) but don't follow why the Primary platform differs and shows Microsoft for Jpeg and that the jpeg profile is HP. Can anyone explain, please, and dose it matter anyway? Thanks Clive

A overview of ICC profile tags is here: http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/ICC_Profile.html
Why the difference in the PrimaryPlatform tag, I don't know, it does not matter.
The ProfileCopyright tag is HP for sRGB, Kodak for ProPhotoRGB and Adobe for AbobeRGB (1998) of course.

Open Jpeg and tiff in ACR as a choice

It would be nice to be able in choosing wether to open jpeg and tiff in ACR using right mouse click menu. AFAIK now you only can set preferences to open these files always in ACR or never.

Hi cathy69:
Thank you for your inquiry. I am pleased to assist you!
I hope you had a great weekend!
I see you are looking to change the boot order on your computer. Here is a link to 'Configuring the Boot Order in the System Bios" click here. Please let me know if you require further assistance.
Sparkles1
I work on behalf of HP
Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
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When importing Raw into A3, in what format is the picture displayed? Jpeg or tiff.

When importing Raw into A3, in what format is the picture displayed on the screen? Jpeg or Tiff ?

None of the comments you have gotten are particularly useful. The display is independent of format of the file. It's rendering is of the full pixels in the image file that you have imported, modified by any adjustments you have made, or not if you ask to see the Master.
Even if your Master was imported as a JPEG, as seen on the screen it would have been decompressed, and you would see all the pixels (that the screen is capable of). However, a JPEG may have lost some detail in the compression, but when decompressed has the same number of pixels as the equivalent uncompressed photo format -- but some of them may result from interpolation, and not be the original.
Ernie

Photo Manipulation RAW, JPEG or TIFF?

Hello
I have been looking at some absolutely wonderful surreal art done with Photoshop.
Question: are all the original photos in these works shot in RAW format?
In other words, are only RAW formats can be manipulated to create art, or can it be done with JPEG or TIFF?
Thanks

Any image can be manipulated but more can be done with a raw file because it has more data to work with.

Exporting RAW to JPEG and TIFF

Evaluating LE to hopefully improve some workflow. I noticed however, that when export to a JPEG or TIFF format the file size seems much smaller that I'm accustomed. A D100 9.5MB RAW file converts to appx 2.7Mb JPEG at 100% and appx 7MB in TIFF. Currently when I convert I get a 17-20MB JPEG. I'm I missing something in the setup or is this the larger file size LE produces.
Murray Edwards

Excuse me Lightroom. I currently use Portfolio 8 to review and tagged a large number of images for production. They have a conversion process that allows you to convert a NEF file to JPEG or TIFF. When converting to from a NEF file that is appx 9.5MB in size to a JPEG at 100% @300DPI which is what my clients require, it produces a a JPEG file that ranges from 17-23MB depending the amount of information. But I still have to pull that image into editing SW to do some cleanup or slight exposure adjustments. It was my hopes that by using Lightroom, I could slimline a couple of these processes. But if LR only provides a exported JPEG file size of what I've seen thus far, then I would unable to accomplish this.
Is this better clarification of my question?

Jpeg vs tiff

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