SkinTune User Guide.pdf

User Guide

11612 Linnet Court • Penn Valley, CA 95946

530-432-2365

http://www.phototune.com

http://www.skintune.com

Page 1

Software License Agreement

THIS LIMITED WARRANTY IS THE ONLY WARRANTY PROVIDED BY PHOTOTUNE SOFT-

WARE. PHOTOTUNE SOFTWARE AND ITS LICENSOR DISCLAIM ALL OTHER WARRANTIES,

EITHER EXPRESSED OR IMPLIED. SOME JURISDICTIONS DO NOT ALLOW THE EXCLUSION

OF IMPLIED WARRANTIES OR LIMITATIONS TO A SPECIFIC TIME PERIOD FOR THE WAR-

RANTY, SO THE ABOVE LIMITATION MAY NOT APPLY TO YOU.

6. LIMITATIONS. In no event will PhotoTune Software any licensor, employee or afﬁliate of

any of the foregoing be liable to you for any consequential, incidental, indirect, or special dam-

ages whatsoever (including, without limitations, damages for loss of business proﬁts, business

interruption, loss of business data and the like), whether foreseeable or unforeseeable, arising

out of the use of the Software, or your inability to use the Software.

SOME JURISDICTIONS DO NOT ALLOW THE EXCLUSION OF LIMITATION OF LIABILITY

FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES, SO THE ABOVE LIMITATION MAY NOT

APPLY TO YOU.

7. GOVERNMENT END USERS. If the software is supplied to the United States government

the Software is classiﬁed as “RESTRICTED COMPUTER SOFTWARE” as deﬁned in clause

52.227-19 of the FAR. The United States government’s rights to the Software are as provided

in clause 52.227-19 of the FAR.

8. GENERAL. This is the entire Agreement between us and supersedes any other commu-

nication, advertisements, or understanding with respect to the Software and documentation.

Please read this agreement carefully before using the software.

If you do not agree with the terms and conditions of this Agreement, return the software

package to PhotoTune, or to the location where you obtained it. By using this software, you

agree to be bound by the terms and conditions of this license.

The enclosed computer program (“Software”) is owned by PhotoTune Software and is li-

censed, not sold, to you by PhotoTune Software for speciﬁc use under the terms of this license

only. The term “Software” shall also include any upgrades, modiﬁed versions, updates, addi-

tions and copies of the Software licensed to you by PhotoTune Software. PhotoTune Software

grants to you a nonexclusive license to use the Software and documentation, provided you

agree to the following:

1. LICENSE. This license allows you to: (a) Install and use one copy of the software on

a single computer which is not accessible by multiple computers. That same user may also

make a copy of the Software to use on a portable or home computer which is primarily used

by said user; (b) make one copy of the Software in machine readable form solely for backup

purposes; (c) transfer the software from one computer to another provided the software is

used on only one computer at a time; (d) permanently transfer (not rent or lease) the Software

to another party by providing to such party all copies of the licensed Software along with a

copy of this License and the accompanying written materials provided the party agrees to be

bound by the terms and conditions of this License, and you may not retain any of the copies

of the product after the transfer.

2. RESTRICTIONS. (a) The Software contains trade secrets and may not be modiﬁed,

translated, reverse engineered, decompiled, disassembled, nor any attempt made to discover

the source code of the Software, or create derivative work based on the Software; (b) you may

not sublicense, rent or lease any portion of the Software package; (c) notwithstanding any

other terms in this License, if the Software is licensed as an upgrade or update, you may only

use the Software to replace previously licensed versions of the same software. The upgrade

or update does not constitute the granting of a second license to the Software, and you may

not transfer the software which is being replaced to a third party.

3. TERMINATION. This License is effective until terminated. This License will terminate

immediately without notice from PhotoTune Software or judicial resolution if you fail to comply

with any provision of this License. Upon such termination you must destroy the Software, all

accompanying written materials, and all copies thereof.

4. EXPORT LAW ASSURANCES. You agree that the Software will not be shipped, trans-

ferred or reexported, directly or indirectly, into any country prohibited by the United Stated

Export Administration Act and the regulations thereunder or will be used for any purpose

prohibited by the Act.

5. LIMITED WARRANTY. PhotoTune Software warrants that the Software will perform

substantially in accordance with the documentation, and be free from defects in materials and

workmanship under normal use for a period of ninety (90) days from your date of purchase.

To make a warranty claim, you must return the entire software package with the original sales

receipt to the location where you obtained it within the ninety (90) days. The entire and exclusive

liability and remedy shall be limited to the replacement of the Software, or the refund of the

purchase price you paid for the Software package.

This manual, and the associated software, is furnished under license and may only be used

or copied according to the terms of said license. This User Guide, readme ﬁle, release notes,

and other related material is for your information only, and is subject to change without notice.

PhotoTune Software assumes no responsibility or liability for any errors or inaccuracies that

may appear in this book.

No part of this publication may be reproduced, or transmitted in any form, or by any means,

without the prior written permission of PhotoTune Software.

SkinTune and PhotoTune Software are trademarks licensed to PhotoTune Software. Adobe

and Photoshop, are registered trademarks of Adobe Systems, Inc. Apple, and Macintosh are

registered trademarks of Apple Computer, Inc. Microsoft and Windows are registered trade-

marks of Microsoft Corporation. All other trademarks not speciﬁcally named are the property

of their respective owners.

SkinTune is protected by a U.S. Patent Pending.

Written and designed by PhotoTune Software.

Page 2

Windows Installation

Macintosh OSX Installation

1.) Move or copy SkinTune.8bf and the Skin-tone Libraries into Photoshop’s

Plug-ins folder located in the Applications Folder on your hard drive.

2.) Next time you use Photoshop, SkinTune will appear as a new menu item

under Photoshop’s Filter menu. Look for PhotoTune SkinTune.

1.) Double-click on Installer.exe to run the setup program. If the installer can’t

ﬁnd Photoshop, use the Choose button to locate Photoshop’s Plug-ins folder. It is

normally located in C:\Program Files\Adobe\Photoshop\Plug-Ins.

2.) Next time you use Photoshop, SkinTune will appear as a new menu item

under Photoshop’s Filter menu. Look for PhotoTune SkinTune.

System Requirements

SkinTune is a Photoshop plug-in, compatible with:

Photoshop 7 and CS, Photoshop Elements 2, Jasc PaintShop Pro, and Corel

PhotoPaint.

Windows 98 to XP.

Minimum screen resolution of 800x600

24 bit RGB images. File types include Tiff, JPEG, Photoshop, BMP, and PICT.

System Requirements

SkinTune is a Photoshop plug-in, compatible with:

Photoshop 7 and CS, or Photoshop Elements 2.

Mac OSX 10.2+.

Minimum screen resolution of 800x600

24 bit RGB images. File types include Tiff, JPEG, Photoshop, BMP, and PICT.

Serial Number

When you start SkinTune, a dialog box will appear giving you an opportunity to enter your serial number by clicking the Register

button. Be sure to enter your name, company, and serial number to activate the program. Until a serial number is entered, SkinTune

will be restricted to demo mode, which provides 20 sessions before timing out.

Page 3

Skin Color Research

Correcting skin color is one of the

most daunting, and time-consuming

tasks professional photographers face

every day. The problem is that the

range of acceptable skin color is very,

very limited, and it varies slightly for

different races. Additionally, skin color

is difﬁcult to render and display on a

computer monitor, so making accurate

adjustments is almost impossible.

We spent years studying skin color,

and collecting thousands of sample images from around the world. Then, we took

precise spectrophotometer measurements and compiled a complete reference

database of acceptable colors. What we discovered is that skin color represents

less than half of 1% of all available colors. So, it’s no wonder that correction is

such a difﬁcult process, especially when Photoshop’s tools were never designed

to handle such a small range of colors.

Our next step was to construct complete libraries for different races, including

African, Asian, European, Latin, and Middle Eastern. Each library contains between

45,000 and 70,000 colors made up of different combinations of hue, brightness,

and saturation, based on the unique characteristics of each race.

Custom Tools

Understanding skin color was only half the battle. It was obvious that we also

needed to create specialized tools designed speciﬁcally for skin color adjustment.

One thing you’ll notice with SkinTune is that all the adjustments are totally inde-

pendent, so adjusting brightness, as an example, has no effect on hue or satura-

tion. This is important because an adjustment of as little as 1% can easily result in

an out-of-gamut skin color.

Most people don’t realize that you can’t adjust brightness in Photoshop Levels

or Curves without altering hue. That is OK under most circumstances, but not with

skin color where hue is the most critical component in achieving accurate results.

Finally, we needed to ﬁnd a way to increase the precision of SkinTune to pro-

vide maximum control over the skin color spectrum. Our tools are twice as precise

as Photoshop so you can make very subtle adjustments and achieve life-like

results. As you can tell, we worked hard to make your job easy.

Our Heritage

Like all of our award-winning programs for professional photographers, Skin-

Tune has a unique and elegant interface. Corrections are fast, easy, and mistake-

free. With SkinTune added to Photoshop, you can spend more time behind a

camera, taking photos, and less time in front of a computer, ﬁxing photos.

The skin color spectrum is less than 1% of all

available colors.

Welcome To SkinTune

If you’re a fashion, portrait, or wedding photographer, you know ﬁrst-hand how

difﬁcult it is to correct skin color. You tweak, adjust, and experiment with Curves,

but the slightest alteration can cause an unwanted color shift.

With SkinTune, all you do is open an image in Photoshop, select PhotoTune

SkinTune from the Filter menu, click to select a color, and SkinTune automatically

corrects your image. After SkinTune does its magic, you’re free to ﬁne-tune the

results by adjusting hue, brightness, and saturation.

Page 4

Interface Design

After you click to select a ﬂesh

tone, SkinTune displays your Original

image alongside the Current corrected

image. A complete set of tools lets you

ﬁne-tune and perfect the results.

National Origin Pop-Up

Skin-tone Libraries for African,

Asian, European, Latin, and Middle

Eastern are available under the pop-up

menu. Each library contains more than

45,000 different skin colors.

Percentage Radio Buttons

SkinTune adjusts your image to the

nearest acceptable color in the chosen

library, based on your click point. The

50% option cuts the adjustment in half,

while 25% reduces the adjustment in

half, again.

Saturation Slider

To start, saturation matches the

click point of your original image.

Adjusting saturation will not effect

color or brightness.

Brightness Slider

The scroll bar at the end of the color

swatches controls brightness. Scroll up

for lighter colors and down for darker

colors. Adjusting brightness will not

effect hue or saturation.

Zoom Slider

To begin, the image is always

reduced to ﬁt. The vertical Zoom slider

lets you increase or decrease the size

of the preview images.

Pan Tool

If the image is cropped, you

can reposition it using the pan tool.

Macintosh - Option Click and drag

Windows - Control Click and drag.

Snapshot

The Snapshot command

lets you make a temporary copy of the

Current preview, along with a record

of your corrections. That way, you can

compare different results, and experi-

ment with different alterations without

losing your prior changes.

The Original and Current Pop-up

menus under the preview images con-

trol Snapshot functions.

Color Swatches

SkinTune displays a set of colors

that can be used to adjust the Current

image. The active color is highlighted

with a green outline. Click on a differ-

ent color to choose a new target color.

The color swatches are arranged in

rows with different brightness levels,

while columns contain different color

variants or hues.

Reset Button

The Reset button reverts to the

original correction which was applied

when you clicked to select a skin-tone.

Page 5

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