Newbie needs help on JPEG images

DG
Posted By
David Gintz
May 11, 2005
Views
245
Replies
3
Status
Closed
Hi All:

Having just scanned many 35mm slides at 4000 DPI into high quality JPEGs, I now want to know how to best change these images for smaller file size (and faster access time) for display on PC and eventual burning to DVD.

I’ve cleaned up and cropped all of the images in Photoshop 7 and like what I’ve got. I plan on keeping the high resolution versions for possible printing but wonder what would be a good setting for non-printing purposes.

What would you folks recommend I use? I assume that the way to do this would be to make some kind of batch process.

Anyone have any suggestions or set of actions to recommend?

Thanks.

– Dave

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C
CTLouisiana
May 11, 2005
Click on the File menu, select Batch Conversion/Rename. A dialog allows you to select a directory from which the files will be taken. Use Look in, File name, and Files of type to limit the search.

Select the output directory at bottom right. If you don’t have the full path for this directory, click the Browse button to find it. When you have selected a directory with Browse, find a directory and click the OK button.

You can set the current directory as output directory if you press the Use this directory as output button.

If you want to include all images from sub-directories, check the Include subdirectories option.
Batch Conversion:
Select the Output Format at bottom left. This works just like Save and Save As. The Options button lets you choose various operations to perform, also just like their Save and Save As versions.

Use the Advanced Options button to apply many special operations to the images during conversion. These options are much like their versions on the Image menu. The options are:

Crop, Resize, Insert text, Change color depth, Horizontal flip, Vertical flip, Rotate left, Rotate right, Convert to greyscale

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"David Gintz" wrote in message
Hi All:

Having just scanned many 35mm slides at 4000 DPI into high quality JPEGs, I now want to know how to best change these images for smaller file size (and faster access time) for display on PC and eventual burning to DVD.
I’ve cleaned up and cropped all of the images in Photoshop 7 and like what I’ve got. I plan on keeping the high resolution versions for possible printing but wonder what would be a good setting for non-printing purposes.

What would you folks recommend I use? I assume that the way to do this would be to make some kind of batch process.

Anyone have any suggestions or set of actions to recommend?
Thanks.

– Dave
DG
David Gintz
May 11, 2005
Are you talking about PS7 here? I don’t get any "Batch Conversion/Rename" entry on my File (or any other) menu.

wrote in message
Click on the File menu, select Batch Conversion/Rename. A dialog allows you to select a directory from which the files will be taken. Use Look in, File name, and Files of type to limit the search.

Select the output directory at bottom right. If you don’t have the full path for this directory, click the Browse button to find it. When you have selected a directory with Browse, find a directory and click the OK button.

You can set the current directory as output directory if you press the Use this directory as output button.

If you want to include all images from sub-directories, check the Include subdirectories option.
Batch Conversion:
Select the Output Format at bottom left. This works just like Save and Save As. The Options button lets you choose various operations to perform, also just like their Save and Save As versions.

Use the Advanced Options button to apply many special operations to the images during conversion. These options are much like their versions on the Image menu. The options are:

Crop, Resize, Insert text, Change color depth, Horizontal flip, Vertical flip, Rotate left, Rotate right, Convert to greyscale

http://military.accaw.org/barbque/
"Imagination…is the irrepressible revolutionist."

"David Gintz" wrote in message
Hi All:

Having just scanned many 35mm slides at 4000 DPI into high quality JPEGs, I now want to know how to best change these images for smaller file size (and faster access time) for display on PC and eventual burning to DVD.
I’ve cleaned up and cropped all of the images in Photoshop 7 and like what I’ve got. I plan on keeping the high resolution versions for possible printing but wonder what would be a good setting for non-printing purposes.

What would you folks recommend I use? I assume that the way to do this would be to make some kind of batch process.

Anyone have any suggestions or set of actions to recommend?
Thanks.

– Dave

T
Tacit
May 11, 2005
In article ,
"David Gintz" wrote:

Having just scanned many 35mm slides at 4000 DPI into high quality JPEGs, I now want to know how to best change these images for smaller file size (and faster access time) for display on PC and eventual burning to DVD.

Just as a side note: For images you intend to archive or to use later, JPEG is a bad choice.

JPEG works by deliberately degrading the quality of the image in order to make the file size smaller. It is intended for situations where file size is important and image quality is not important.

This degredation is cumulative and irreversible. If you open one of your JPEGs, make any changes to it, and save it as JPEG again, the image is degraded even more, and the quality goes down. Make additional changes and re-save it and the quality is degraded still more.

For images where you care about quality, especially images you intend to archive for future use, save in a format that is not degraded, such as TIFF.


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