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Imported professional photos with high resolution/pixels. Are now grainy in the presentation. Looks like pixels are missing.

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I've had a problem relating to the sizes of my photos. It appears that once you use photos of too high a resolution, and the project is of rather lengthy, SlideShow Expressions develops problems - I wasn't able to burn to disc and the soundtrack contained distortions when listening to it in preview mode. Let me put this into context. My first project contained 388 photos, with some photos larger than 2 MB, but mostly averaging 300 KB or so. No problem - it burned successfully. My second project had 305 photos, with just about all over 2 MB. No problem - burned successfully. However, when I tried to burn my third project, there was no end to my frustration. The problem lied with a combination of two factors: firstly, it was a very large project: 466 photos; secondly, the project included photos larger than 2 MB, quite a few of these were abou 3.5 MB. It was this combination of photo size and project length that caused my writer drive to fail whenever I tried to burn this project. It was solved by resizing the photos - everything under 500 KB. This doesn't necessarily mean that the quality of your photos will be compromised. I used Microsoft Office Picture Manager and visually there is no quality difference between the original photos and the photos in the slideshow project. Maybe this helps a bit. Experiment with photo size. (You can always add a data disc with the original photos (eg. jpg-format) to your project.)

Posted on Nov 07, 2010

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Posted on Jan 02, 2017

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Why possible is 300 dpi printing images and text matter


What is DPI PPI and Why Do They Matter
To some extent, we're all photographers these days. With a camera on every phone and digital SLRs coming down in price, we've all got a trove of photos waiting to be shared. When it comes time to share online, print, or email our favorite images, many are unsure about how to set the image's resolution...
If you've found yourself in this spot, don't worry - dots per inch (shortened to DPI from here on out) is a concept that even confounds some professional graphic artists. Here's a primer DPI so you can stop worrying about technology and start sharing your photos.
Getting started
Digital photos are comprised of pixels, much like the individual boxes on a sheet of graph paper. DPI tells you how small those pixels will be when the image is printed. For example, "300 dots per inch" means that 300 pixels fit across each inch. If your photo is 600 pixels tall by 900 pixels wide, for example, it would come out at 2" x 3" inches if you were to print at 300 DPI. Keep in mind that most digital photos are several thousand pixels in either direction, but for the sake of simplicity, we'll use the more manageable 600 x 900 pixels.
Separating pixels from presentation
It's important to separate DPI from the raw pixel dimensions, and this is where even the pros slip up. DPI is not an indication of image quality or clarity. When you print that 600 x 900 pixel image at 300DPI, it'll likely look pretty sharp, because every inch is densely packed with pixels.
Now imagine printing that same image, with the same number of pixels, at a mere 30 DPI. As each inch would have only 30 pixels across, the density drops immensely and the image prints much larger: 20" by 30". What was once sharp now appears blurry, because each individual pixel is now ten times larger than before. By separating DPI from actual pixel count, we can understand that raising DPI doesn't magically improve a photo. DPI simply takes the same data (the original pixels) and alters how we'll view them.
Pin it It's all about context
Another factor is viewing distance. Just think of the eye chart at your doctor's office. If you're a bit nearsighted, the tiny letters at the bottom are illegible specks, while the letters at the top are easily discerned. In actuality, each tiny letter may be half an inch tall, but the distance makes them seem microscopic. Now consider our 600 by 900 pixel image. When we printed it at 30 DPI, the giant pixels made it look blurry. Were we to look at it across the doctor's office long hallway, however, it may look just as sharp as the 300 DPI print did in our hands. This illustrates how DPI is more about context than quality.

Pin it Pixels Per Inch
You'll notice I've been talking about DPI in relation to printing only. This is because while printers can produce a variety of DPI settings, a computer display's resolution is fixed - its pixel density is part of the physical hardware, and cannot be altered. When talking about displays instead of print, most use the term PPI, or "pixels per inch."
If you intend to put your 600 x 900 pixel image online, switching the resolution to 30, 300, or 3000 PPI is completely arbitrary, because the computer display can't change its density. As modern desktop displays usually have a PPI in the low 100s, the 600 x 900 pixel image will appear around 6" by 9" (mobile displays may be much higher). Of course, your web browser could display the image smaller if need be, but it will do so by averaging and eliminating pixels, not squeezing them to be physically smaller. This is why it's always important to keep your end goal in mind when working with images.
In summary:
• An image is defined by its pixel dimensions - # pixels tall by # pixels wide
• DPI/PPI determines the scale and pixel density at which image will be displayed
• What appears blurry from close up may look fine at a distance, so consider how an image will be seen
• Printers can produce a range of DPIs, while displays have fixed resolution
Whether you're a blogger dealing with an upload limit or are just trying to print a photo to hang on the wall, understanding DPI/PPI can go a long way. I hope these tips help you feel more in control of your images and how you share them with the world!


Oct 07, 2014 | Canon LASER SHOT LBP-2900 Printer

1 Answer

Why low resolution?


Uploading them via the SD card will have no effect on the resolution.
There is a difference between image grain and image pixelation.
If the resolution is too low for the size you are printing the image will pixelated, meaning that it will be made up of lots of little squares.
If the image is grainy it may be that you are shooting images in low light at a high ISO setting on the camera. Typically with the lower end Canon cameras anything above 800ISO will start to look grainy.

Jun 19, 2012 | Canon EOS 500D / Digital Rebel T1i Digital...

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Why are pictures grainy, Photos are usually very crisp. This time every one was grainy like low res when I have it set on High. The camera is a Canon PowerShot S3 IS


Some people report that with an ISO setting of 200 or higher, there is graininess in the pictures, so check your ISO setting. I don't own one of these cameras, but there is a lot of discussion on the net about them. The following amazon discussion about the problem deals with a fellow who upgraded to the S3 from the S1. One problem was the ISO setting got bumped up, but another problem was the ISO was increased in the Sports Mode. See if any of this applies to your situations:
http://www.amazon.com/Grainy-noisy-pixelated-photos/forum/Fx36DLASC37633N/Tx2BFEA8BW518TA/1?_encoding=UTF8&asin=B000EMWBV0

Jul 05, 2010 | Canon PowerShot S3 IS Digital Camera

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Fujifilm finepix f20le. circular grainy pic loss of sound


First go to the SETUP menu and make sure that the PLAYBACK VOLUME setting is set to a value greater than 0. Try increasing the shutter speed of any photos as CCD's will notoriously produce grainy images on slow shutter speeds. Grainy videos will indicate poor light, camera shake during filming or moving too quickly so the autofocus cannot function correctly, or using too low a resolution and will be especially noticeable at 640 x 480 when viewed on a large high resolution screen. If all the above make no difference then you may need to get the camera serviced.

Oct 08, 2009 | Fuji FinePix F20 Digital Camera

1 Answer

I print out the photo with glossy photo papers and the prints become so grainy , even my photo was in very high pixels taking what should i do to print a good non grainy photo


Your printer software and the program you used to print the photo have settings to turn up the quality of the printer just for photos.
I suspect you just forgot to do that

Aug 21, 2009 | HP Photosmart C4180 All-In-One InkJet...

1 Answer

With 5-megapixel camera, I want to capture maximum resolution.


how I get maximum resolution by 5 mp camera with small photo.

my friend mega pixel relates to the print out u want out of ur photo file,on the monitor screen everything looks same if u dont zoom too much ,

for 5X7 print 1 mega pixel photo looks fine and more than enuff if u want a 5X7 print out of it

for 6X8 and 8X10 2 mega pixel is ok and for further enlargements u need higher mega pixel

or if u need output on large LCD screens of like 46 inch and 52 and 60 inch then also u need good resolution pics to display properly other wise pixelation will appear

so how can i help u more in this pls rate me FIXYA for this if u like

Mar 17, 2009 | Mercury Electronics CyberPix S-555V...

1 Answer

What are high resolution and standard resolution?


All pictures have 24-bit pixel depth, or 16 million colors at 144 dots per inch. The high resolution setting produces a standard size photo, 4.44" x 3.33" at 640 x 480 pixels. A wallet size photo of 2.22" x 1.67" at 320 x 240 pixels is produced using the standard resolution setting. Example: A picture with dimensions of 4.44" x 3.33" at a pixel count of 640 x 480 will have the same dpi as the same picture at a 320 x 240 pixel count with dimensions of 2.22" x 1.67" (dpi=144 x 144 or 20736 pixels per square inch). The larger picture will have a much higher resolution due to the fact that four times the pixels will define the same section of the picture in the larger photograph.

Sep 12, 2005 | Epson PhotoPC 500 Digital Camera

1 Answer

Resolution


Resolution refers to the number of pixels or dots per inch (dpi) in an image. Basically, the more dpi that a photo has, the sharper an image is. High resolution is important if you are going to be printing photos (look for a photo-capable printer that has a high resolution, say 4800 x 1200 dpi). If you’ll be e-mailing your images, you may want to save your photos at a lower resolution for faster file downloads. Digital camera resolution is measured in megapixels (1MP equals one million pixels), so the higher the MP capacity a camera has, the higher quality of images it will produce. Generally you can take good photographs with a 3MP camera.

Sep 08, 2005 | HP Photosmart 945 Digital Camera

1 Answer

Resolution


Resolution refers to the number of pixels or dots per inch (dpi) in an image. Basically, the more dpi that a photo has, the sharper an image is. High resolution is important if you are going to be printing photos (look for a photo-capable printer that has a high resolution, say 4800 x 1200 dpi). If you’ll be e-mailing your images, you may want to save your photos at a lower resolution for faster file downloads. Digital camera resolution is measured in megapixels (1MP equals one million pixels), so the higher the MP capacity a camera has, the higher quality of images it will produce. Generally you can take good photographs with a 3MP camera.

Sep 08, 2005 | HP Photosmart 120 Digital Camera

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