Alley in Pisa, Italy

by Lars Kotthoff

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2
votes
3answers
183 views

Why does simply saving a JPEG at 100% quality in Photoshop increase filesize?

If I take a picture taken with my EOS 60D, put it into Photoshop, edit it as I wish and save it as JPEG with maximum quality, the file goes from 5 to 12 mb in size. Obviously if I didn't increase the ...
0
votes
0answers
39 views

Does this appear correct? Comparison of PSD & TIFF file sizes when using adjustment layers. [duplicate]

I've been investigating file sizes after noticing my 16 bit TIFF files grow enormously after adding adjustment layers (saving with layers, not flattening). Here's what I found: File #1 (0 layers) ...
1
vote
2answers
894 views

Saving as PDF with JPG compression vs saving it as JPG

I am creating a booklet with a hight resolutio (more than 4800 pixels height) and I am about to print it. My question is, what is better in terms of quality: Saving each page as a PDF with JPG ...
6
votes
2answers
2k views

How to identify photoshop-edited files

If I have saved an image in JPG format after doing some edits, is there a way to identify that it is edited with Photoshop?
2
votes
5answers
905 views

What is a simple and effective method to sharpen for web output in Photoshop?

In Photoshop, I've got a master PSD image file with all mask and adjustment layer treatments, but no sharpening at all. I save for web and create a JPG at 1200px. Now, I bring that file back into ...
1
vote
3answers
325 views

What is the difference between the different ways to export JPEG files from Photoshop?

Photoshop allows you to save the processed image as JPEG in two ways. Save As and Save for web. I have observed that Save for web gives more options like converting to sRGB etc. I have also observed ...
1
vote
1answer
266 views

What are the differences of bringing RAW or JPEG into Photoshop?

Most of my images are in RAW format. When I bring an image into Photoshop, does it make a difference whether it's a JPEG or RAW? I understand the difference between JPEGs and RAW images. I'm just ...
4
votes
2answers
4k views

Why does Photoshop show my JPEG files unusually large?

I recently opened a jpeg and a tiff of the same subject in Photoshop CS3. They both were made with a Nikon D300, and both had a file size of almost 35mb. If I checked the image info it said the jpeg ...
1
vote
2answers
999 views

Get components stream Y,Cb and Cr in photoshop

Is there a way to get the component images corresponding Y, Cb, Cr in photoshop. I just need to combine them in layers to see how they form the original image.