Slideshow image quality

I edit photos with I Photo and they look fine in the albums. When I run a slideshow on my computer, however, the images show considerably darker, with more intense colours. It becomes impossible to know how to edit for this. Is this usual? Is there something I am missing?
Thanks.

I know this sounds unrelated but try deleting the iPhoto preference file, com.apple.iPhoto.plist, that is in your User/Library/Preferences folder. It will get recreated when you launch iPhoto. Damaged preferences files have cased a lot of seemingly unrelated issues with many applications. It's worth a try.
Do you Twango?
TIP: For insurance against the iPhoto database corruption that many users have experienced I recommend making a backup copy of the Library6.iPhoto database file and keep it current. If problems crop up where iPhoto suddenly can't see any photos or thinks there are no photos in the library, replacing the working Library6.iPhoto file with the backup will often get the library back. By keeping it current I mean backup after each import and/or any serious editing or work on books, slideshows, calendars, cards, etc. That insures that if a problem pops up and you do need to replace the database file, you'll retain all those efforts. It doesn't take long to make the backup and it's good insurance.
I've written an Automator workflow application (requires Tiger), iPhoto dB File Backup, that will copy the selected Library6.iPhoto file from your iPhoto Library folder to the Pictures folder, replacing any previous version of it. You can download it at Toad's Cellar. Be sure to read the Read Me pdf file.

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Imovie slideshow image quality problems

I have created a slideshow in imove with music of a wedding my wife and I shot. For some reason the image quality is really poor. I tried going through idvd and I tried exporting it as a quicktime movie and burning it with toast but they both look crappy on the tv when we watch them. Please help because I need to get it out to the clients.
I have done this once before and I did have some problems but somehow got the quality we wanted. Any help is greatly appreciated.
Wayne Sawyer

If some slides show a lot of "jaggies" the project may have been affected by a long-standing bug in iMovie that adds jaggies to photos when you share the project with iDVD. If we grant permission for iMovie to render the images when sending the project to iDVD, it messes them up pretty badly.
If that's what happened, you'll need to re-import those images to replace the badly-rendered clips.
Lots more here:
http://discussions.apple.com/thread.jspa?messageID=2105598&#2105598
Karl

Slideshow image quality/color rendering

I´m quite frustrated after discovering that some of my images look quite poor displayed by the slideshow module. My situation ist as follows:
LR 5.2 running on Mac OS X 10.8.5, 1:1 previews are rendered, preview quality is set to high, and I´m using a sample image showing a dark cloudy sky with some fine gradients; my slideshow preset doesn´t use any borders as I read this often causes quality issues.
When I´m in the Develop module, there is no problem at all, even in fullscreen display mode on my 1920x1200 display the gradients are perfectly rendered.
In Library module, when displaying fullscreen, quality is okay, but I can see some slight difference compared to the Develop module - which I understand after reading that in Develop the output is based on the actual raw data, and in all the other modules on rendered previews.
Now, when in Slideshow module, the image quality is significantly lower than in Library and I see some quite obvious banding in the gradients. I don´t have problems with blocking artifacts but the banding/posterization is considerably worse compared to a JPEG export with a quality setting of, for example, 75.
I can´t imagine LR´s slideshow tool would be working with a lower color depth than the 8 bit as in standard JPEGs, right? Did I miss any of LR´s parameters that influence the image quality of Lightroom slideshows or of the previews used therefore? Otherwise do you have some other explanations or hints for me in order to get this fixed? We do everything to capture our images in the best possible quality so we should also be able to present them properly after all...
Thanks a lot for any advice!
Toby

In-Lr slideshow images look like crap on my system too (dull contrast and de-saturated shifted color).
My guess is some issue with icc-profile/monitor-profile or something, but I'm not qualified for assessing.. - could just be a bug in Lr that only bites some, dunno...
I use ShowBiz instead, which works well on my Windows box, and it should also work on your Mac box.
Rob

IMovie 11 Slideshow image quality issue

Hi,
when I am creating a slideshow with iMovie from still images, I have a severe loss of image quality. I have tried to search forums up and down, but did not find any help or solution for that. The loss of quality is kind of dramatic. Any ideas, suggestions or solutions?
Regards
HEnnisch

Hi!
I'm loosing a lot of video quality when I transfer movie clips from my Iphone 4S to Imovie11.
Did you find an answer to your problem?
If so, maybe you could help me out?
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Adobe Muse Full Screen Slideshow image quality

Hi,
I have a question. Is it natural that if i add an image to my slideshow the quality of it in adobe muse or in my browser is worse than original size? My image is rather big 3400x and when it is exported to muse i see pixels and blur effect etc. Is it possible to not resample image quality in muse is there any option to stay with original quality??

Hi,
The way full screen slideshow is currently implemented Muse is resampling the hero images to the size they are in Design view. For most cases that will work fine, but there's no easy way to force a higher resolution image to be output. The only workaround that comes to mind would be to replace the image after publish/upload/export.
Hope this helps.
Regards,
Aish

IDVD 6 slideshow image quality

Still image quality in iDVD slideshows is a topic that comes up again and again on the iDVD forums.
Two and a half years ago, I made a test with an earlier version of iDVD. Now, with the release of iDVD 6, it was time to repeat the test.
Go to my page: http://homepage.mac.com/profpixel/iDVD_6size.html to see the test.
The results represent pretty much the best posible quality results you can get with still images in iDVD 6 because I used TIFF files and High Quality JPEG files (Photoshop level 10) in the test.
You can see just how much quality loss occurs in the iDVD 6 MPG-2 compression process.
Take a look and we can discuss the test further here.

I have updated some of my comments on the web page.

Slideshow image quality poor

When I build slide shows and burn them to dvd, the image quality is really bad when viewed. Looks great while being built though. Sometimes need to do this for clients, so it needs to look great.
I start with jpg images that are pretty big. Have tried various resolutions. Have plenty of room on my drive.
Any advice appreciated as well as thoughts on 3rd party software.
Thanks

Welcome to discussions!
Read F Shippey's response in this thread:
http://discussions.apple.com/thread.jspa?messageID=5330130&
:-)Sue

Slideshow Image Quality Problem

This problem is visible when creating a slideshow from Canon 300d crw images using a dark gray background with light gray wash at 90 degrees and 100% opacity. The background looks good when in 'play' mode in Lightroom. When exported at 1024x768 with 80% quality and played back in Acrobat reader, the background has a number of thin stationary horizontal lines that appear in each slide at the same locations. They look like banding that occurs when viewing 24-bit color gradient test patterns on an 18-bit monitor. I am using a 19" Mitsubishi Diamondtron CRT running 1248 x 960 with 24bit color. These multiple lines look similar to the two lines every Trinitron CRT exhibits, but are unrelated. I have used this CRT for years now and have never seen anything like this before with a 24 bit color image. Anybody else seeing this?

To expect every photo to conform to a ratio of 4:3 would be unrealistic.
Sorry, but that is the way iDVD works!
'Standard' TV (and iDVD is designed to produce TV content) uses a 4:3 aspect ratio. (With iDVD 6, you may also create a 16:9 project.)
See Preparing images for DVD slideshows at http://docs.info.apple.com/article.html?path=iDVD/6.0/en/17.html

IPhoto Slideshow Image Quality when export to IDVD

Aloha ... I have two issues that I am having problems with when I export to IDVD. My images look very fuzzy (originals are very high res and print quality images} when exported to iDVD and a DVD is made. Also in the show my vertical images look fine and fill the screen yet on iDVD they are made shorter/squatier and upper and lower parts of the original image are lost. The format is wide screen as is the show. I am using a LCD wide screen TV if that helps. Any ideas out there?

Welcome to the Apple Discussions. Are you cropping your photos to the 16:9 ratio before creating the widescreen slideshow in iPhoto and exporting them to iDVD for a widescreen project? Most digital camera images are in the 4:3 size ratio and don't convert well to the widescreen. Also check the aspect ratio that you're playing the dvd in as that can have an effect on how the slideshow looks.
Also remember that the images going to iDVD will be reduced to 640 x 480 (normal TV) and slightly larger for the widescreen version. So the pixel dimensions of the original image are not that relevant.
Happy Holidays
TIP: For insurance against the iPhoto database corruption that many users have experienced I recommend making a backup copy of the Library6.iPhoto database file and keep it current. If problems crop up where iPhoto suddenly can't see any photos or thinks there are no photos in the library, replacing the working Library6.iPhoto file with the backup will often get the library back. By keeping it current I mean backup after each import and/or any serious editing or work on books, slideshows, calendars, cards, etc. That insures that if a problem pops up and you do need to replace the database file, you'll retain all those efforts. It doesn't take long to make the backup and it's good insurance.
I've created an Automator workflow application (requires Tiger), iPhoto dB File Backup, that will copy the selected Library6.iPhoto file from your iPhoto Library folder to the Pictures folder, replacing any previous version of it. It's compatible with iPhoto 08 libraries and Leopard. iPhoto does not have to be closed to run the application, just idle. You can download it at Toad's Cellar. Be sure to read the Read Me pdf file.

Need help with full screen slideshow image quality

I am looking to display some images with full screen slideshow. The images I add are very large, over 5000 wide. When I publish the site some images retain their quality while others lose it and look like crap. Why would this be and how can I fix it. I tried to resize them to the 2560x1707 that muse does, and then add them. This doesn't change the end result of poor quality.

Go to Assets Panel and locate the image you want to use at original size. Right click the image and chose 'Import Larger Size'.
See if that helps retain quality for that image, since Muse does not resize/interpolate that image for you.
Cheers,
Vikas

Slideshow's quality

why my slideshow have a terrible image's quality? My photoes have big resolution
What can I do?
Scuse me for my terrible english...

Welcome to the forums.
If you do a search, you'll see there are a number of complaints about slideshow image quality -- some because the DVD format is natively lower resolution than your computer, some because the DVD standard is compressed video (mpeg-2 format). You'll see a variety of solutions, including downsizing your images for the slideshow, so you do the image size reduction rather than iDVD.
John

Poor image quality elements 12 slideshow preview

As I can't find any reference to my original post I thought I'd re-do it. I created a slideshow in elements 12 and found the image quality to fall far short of high definition. The source folder for the images used is contained in Windows Pictures. The pictures were taken with a Canon t4i camera with the image quality being excellent. For whatever reason the quality of the slideshow images are poor. Any help would be appreciated.

Don't purchase a video editing app to work with just still images. They are meant to be used with DV and really don't do a still image any justice.
The final source format should determine the software used. You are suggesting a DVD distribution of your work.
iPhoto is meant to be used on still images (not iMovie, in my opinion).
You don't really want to convert a single frame into multiple frames if you don't need to.
You may want to try the Photo JPEG, Motion JPEG or Animation codecs from iMovie and see if they improve the visual appearance of your work.
Since you want to use a DVD as the distribution method then iDVD may not be the best option either. It is meant for set top boxes using a poor 720X480 dimension in MPEG-2 video format.
You may want to consider a bit different approach and use a "data" DVD and use QuickTime Player as the playback engine. These will only play on a computer but your could use the higher dimensions to your advantage and also the visual quality of computer displays to showcase your work.
Since HD DVD players are not yet ready for mass use it may be a better way to distribute your work.
There is no 720X480 dimension limit (only the limit set by the viewer on the display size when viewed on a computer monitor).
Your "still" images would remain "still" except for transitions.
Heck. You could probably put the whole file onto a CD and save even more in production costs.

Image quality in slideshows

Hi,
Is there anyway to get iWeb to use a higher quality image when displaying a slideshow.
Compared to Google Web Albums the quality of the 800 x 600 image used is heavily reduced in quality.
Any ideas?
All the best

I'm not sure about image quality but I found these differences:
1. The iPhoto slideshow transitions were smoother.
2. The iPhoto slideshow was not restricted by the "tv safe zone" (edges were cut off on my TV).
For TV viewing, I cannot tell a image quality difference.
Brian

Image quality in slideshow is significantly deteriorated

I am new to Premiere Elements (3.0) and still have much to learn about navigating and using the software. I have no prior experience with other comparable products so I am a newbie in all respects.
I took a series of still images from a 7 megapixel camera, all shot in highest resolution, and placed them into a slideshow in Premiere Elements 3.0. Image quality is significantly deteriorated when I view the slideshow, which I've not yet burned to dvd, my intended output.
I don't understand why the original resolution of the images is degraded. I'm hoping there are simple settings I must change. reading through the software documentation thus far has not provided the answer.
do I need to take the original images and save them to a different format in Photoshop Elements before placing them into a slideshow for dvd output? if so, does this need to be done one image at a time (I've got 400 images) or can they be converted as a group?
I'm getting desperate and would appreciate anyone's advice.

The slideshow exported from PE3.0 will be at NTSC (or PAL) resolution so 720x480... so significantely lower resolution than your source photos and it will be interlaced. When viewed on a TV it will look fine but not so good on a computer monitor. Try burning to DVD and viewing.
Also PE3.0 might have problems working/burning photos at such a high resolution. As the final export it restricted to 720x480 you can resize your photos to 1000x750 and these will be easier to process by PE3.0

Image Quality for Slideshows

Hello Everyone. I just purchased Photoshop Elements 9 and I have just joined the Adobe Forum. I am an amateur photographer with a challenge. I am creating slideshows for family, and before I go any further, I need to get some questions answered about quality. I have scanned old photos to my computer. I have scanned old negatives to my computer. I have digital pictures on the computer with varying ranges of size and quality. When these are imported into a slideshow program to be put on DVD, what kind of sizing and pixels per inch do I need to use so that when the DVD is played on a TV, (for instance, my brother has a HDTV that is 46"), the quality of the photos remain good for that size of a screen? Another example would be a slideshow of my trip to the desert where I shot a couple hundred photos, and when I made the DVD, some of the images appeared pixelated, and/or noisy. The pictures were shot with a Nikon D50 3008x2000 pixels, 300dpi 24 bit depth jpegsRGB. The size of the original file is 2.78MB. I would appreciate any input on this. Thanks so much. Arthur

Is the image quality improved for slideshows using the new Pro Encoding option in iDVD08? For me, the quality was unacceptable in previous versions
iDVD '08s Pro Encoding mode won't improve things if your total DVD size is under 60 minutes (for a single layer disc) and can use Best Performance mode encoding.
Best Performance uses a encoding bit-rate about as high as a DVD player can handle on playback. The Pro mode advantage will 'kick in' when you have content over 60 minutes. Best Quality simply picks a fixed encoding rate necessary to fit 'standard' content into the space available. The Pro mode will look at your content first and can assign a high encoding bit-rates for content with lots of detail or movement and a lower encoding bit-rate for content with less detail or movement. Pro modes highest encoding bit-rate shouldn't exceed the fxed encoding bit-rate used by Best Peformance.
For slideshows, you must keep in mind that the DVDs we can make today are low resolution devices - NTSC discs are less than 640x480 pixels at best (that's less than 0.3 megapixels) - so your great 10 megapixel digital images MUST loose a lot of detail in the encoding process.
FWIW - I recently made several large slideshows using FotoMagico that I felt gave me better quality than iMovie or iDVD directly. Others like Photo to Movie. Both offer free trial versions.
F Shippey

Slideshow image quality

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