Questions tagged [thumbnails]

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1answer
38 views

Is it possible to 'fix' an image (with bad colouring/effect applied) based on a smaller thumbnail?

I'm trying to fix some old (as in a few years old, not vintage) images taken by a friend, and have noticed something odd. While most of the pictures appear somewhat over exposed/have strange colours (...
0
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1answer
38 views

Slow thumbnail loading when lots of images on memory card

I have a Canon 2000D DSLR. I like to keep all my pictures in the relatively big memory card, so that there is a second copy of all pictures in case my laptop SSD dies. However, every time I connect ...
-1
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2answers
91 views

How can I retain apparent detail when downsizing from 4608px to a 150px thumbnail?

I shot profile pictures in RAW at a resolution of 4608(V)x3456(H). The client needs an image for their email signature with a width of approximately 150px wide. I have attempted this in PSCC2017 (with ...
-1
votes
1answer
2k views

Remove all metadata from PNG, commandline [closed]

I'm trying to create really small PNG thumbnails from JPGs using GraphicsMagick. gm convert coolphoto.jpg -resize 16x16 -colors 6 coolphoto_16x16_6color.png These get down to 342 bytes, but they ...
1
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2answers
849 views

Why do the thumbnails for grayscale images show up in color in Windows Explorer?

I have some images from a Nikon SLR that I have converted to grayscale, however the thumbnails in Windows Explorer are in color. Is the thumbnail information stored in the file header, or is the color ...
2
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2answers
638 views

In OSX, why don't my Panasonic and Olympus DNG files have thumbnail icons?

I've shot with Nikon, Olympus, and Panasonic so I'm familiar with all their proprietary RAW formats that each uses. I'd like to convert all my RAW files to DNG and then use that on import into LR ...
4
votes
1answer
1k views

How can I copy all meta tags, other than the thumbnail, from a source jpg to a destination jpg?

I just started to use the EXIFTool but can't figure out how to copy all meta info from one file to another without destroying the destination file's thumbnail image. Is there any way to do so ?
0
votes
1answer
65 views

What is the behavior of thumbnails in Lightroom?

In order to update all my thumbnails I rendered standard sized previews for all my pictures overnight, having read somewhere that this was the asiest way. But to my surprise, there are still ...
4
votes
1answer
148 views

Software to burn full-sized images and thumbnails into one package

I just helped shoot a wedding for the first time for some friends, and I'm going to burn a DVD for them. Ideally, I want a DVD which contains both full-sized images and thumbnails, along with some ...
4
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3answers
758 views

Output sharpening for thumbnails - keeping small filesize

I am doing various export tests to get nice looking thumbnails for my photoapps. My thumbs are 120 x 80. So far the output sharpening from Lightroom looks the best, (sharpen for Screen, High) only ...
8
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2answers
8k views

What DPI should I resize my image to for best printing quality?

And my apologies if this sounds a bit too basic but I can't get my head around this. I have a digital image I took with my camera. 4000x3000 pixels, and GIMP claims that its resolution is 72x72 DPI. ...
4
votes
1answer
132 views

Orientation on image thumbnails and how programs interpret it?

I took a photo with my iPhone of a package of bread, oriented in landscape. I then copy-pasted it to iOS-Mail (the only way to get un-resized photos sent via email), and emailed it to myself. In the ...