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Preparing Images for Submission
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If you need help preparing your images
or want to send me prints or slides to scan
E-mail or telephone 412-767-8644 for instructions

Step by Step Procedure for sizing your digital images
Please size them to 300 pixels long dimension
Please use your name as the image title.
For example:
larrybermen01.jpg, larryberman02.jpg

Reducing a photographic image for efficient viewing is a five step process. 

1. Open in your image editing program and SAVE AS the proprietary UNCOMPRESSED file format that your program uses - NOT as a JPEG! If you're unsure of which format to use, save as a TIF file. By saving as a new image, the original file will not be compromised and can be archived for future use. For Photoshop users, convert your images to PSD format; for Paint Shop Pro users, convert your images to PSP format.

2. Examine the composition. Crop to remove unnecessary detail. Well balanced, tighter images often have more impact and result in smaller file sizes.

3. Optimize the image using color, contrast, and density controls. More advanced programs allow adjustment of curves and levels of your image.

4. Reduce the pixel dimensions to a viewable size. For this page, an image size of 300 will work well. Click here to read why ONLY PIXELS COUNT on the web. After reducing the physical size, images often are improved with a slight bit of unsharp masking.

5. Save the image as a COMPRESSED jpeg. Compress the image until it shows obvious artifacts in areas that have strong contrast edges. Then back off a bit by reducing the amount of compression. This is why the side by side comparison feature is so important.

Step by Step Procedure Specific to Photoshop 5.5, 6.0 and 7.0

1. Do all your image manipulation at full resolution on the uncompressed psd file.

2. Use IMAGE / IMAGE SIZE to resize pixels per inch and long dimension AT THE SAME TIME - ENTERING THE PIXELS PER INCH BEFORE ENTERING THE LONG PIXEL DIMENSIONS.

3. Use UNSHARP MASK (Filters / Sharpen / Unsharp Mask) to recover the sharpness lost by resizing.

4. Save at the smaller file size. I use the long pixel dimensions in the file name.

5. Convert your image into a compressed jpeg using Save For Web (file>Save For Web). Use the side by side comparison between the original psd and the newly compressed jpeg to see how much compression you can get away with.

Why Pixel Dimensions
The only unit of measurement that means anything on the web is pixel dimensions. This is a very confusing concept for people in the print world to accept. DPI, LPI, and other forms of resolution are meaningless on the web. 

A monitor has a screen resolution that can be set to one of the following: 640x480, 800x600, 1024x768 etc. 1024x768 means a monitor has a horizontal pixel width of 1024 and a vertical pixel height of 768. The fact a monitor may be 13, 17, 19, or 21 inches diagonally just means the 1024x768 pixels are spread out over that number of inches. Therefore, a 500 pixel (width) image takes about 50% of the horizontal screen size on any size monitor running at 1024x768, or almost 80% of the screen if the monitor runs at a resolution of 640x480.

Technical information specific to Photoshop
Prior to Photoshop 5.5, I used Ulead SmartSaver Pro to compress my PSD files for the web. The feature that made it all work for me was a side by side comparison between the original and the compressed jpeg. With Photoshop 5.5, Adobe introduced a side by side comparison called "Save For Web". It allows you to view the original file next to the compressed file and make visual comparisons on how much compression an image can take and still look good. Used properly this feature enables you to create good looking smaller file size images for the web.
Photoshop's "Save For Web" gives a side by side comparison between the original file and the compressed jpeg
When Photoshop is first installed, the "Save For Web" filter is set to show only the compressed image by default. Click on the tab marked "2 Up" (white arrow pointer above) to set it to show a comparison between the original file (left) and the compressed JPEG (right).
Resources
Preparing Images For The Web
written for eDigitalPhoto Magazine
 

Web site content Larry Berman, Chris Maher, or the originating artists

Chris Maher
PO Box 5, Lambertville, MI, 48144
.

Larry Berman
PO Box 265, Russellton,  PA  15076
412-401-8100

Web Site Design by Larry Berman and Chris Maher