Fooocus Tutorial Part 3 - FaceSwap/Pyracanny/CPDS & More Explained
Summary
TLDR在这个系列的第三部分中,我深入探讨了图像输入标签页,并分享了一些我学到的技巧以及一些可能你不知道的生活质量提示。我解释了一些刚开始使用时让我困惑的设置,并详细分析了控制网格及其设置,以帮助你完全理解它们的作用以及哪些设置更适合什么目的。从历史记录日志到如何使用输入图像和变化标签页的高级技巧,我涵盖了如何利用这些工具改善和创造图像,包括如何调整表情和合并多个图像以产生创新的视觉效果。此外,我还介绍了不同控制网的特点和它们如何影响最终生成的图像。
Takeaways
- 📖 这是关于Focus系列的第三部分,深入探讨输入图像标签页的技巧和生活质量提示。
- 🔍 历史记录日志功能允许用户查看过去的生成记录和使用的设置,方便重复使用。
- 📅 历史记录默认显示当天的图像生成,但通过Focus的输出文件夹可以查看更早的生成。
- 🔄「加载参数」功能让用户可以快速应用以前的设置到新的生成中,但不包括输入图像的设置。
- 🌈「非常细微」的设置用于在图像中添加轻微变化,如改变表情。
- 🖼️ 图像提示功能允许将多达四张图片合并,以创建新的图像。
- 🎨 控制网的设置(如Pyan和CPDS)有助于在生成图像时保留原图的某些特征或风格。
- 🔄 面部互换功能专注于检测并应用图像的面部和头发到最终生成中。
- ⚖️ 「权重」和「停止于」设置影响控制网的影响力和应用时长,从而细致调整最终图像的生成。
- 👁️ 结合不同的控制网和文本提示可以创造出丰富多样的图像效果。
Q & A
什么是输入图像标签?
-输入图像标签允许用户上传自己的图像,AI 会使用这些图像的样式、人物、构图、颜色等要素来影响最终的生成图像。
Pian控制网的作用是什么?
-Pian控制网会提取图像的线条图,保留图像的细节,然后应用到用户提供的文本提示词上,从而在生成新图像时保留原图像的某些结构。
面部置换是如何工作的?
-面部置换会检测图像中的面部和头发区域,然后将其应用到最终的生成图像上,无论是只使用文本提示词还是结合图像、控制网和文本提示词。
权重和停止步数设置如何影响控制网?
-权重决定每个控制网对最终图像的影响力度,停止步数决定每个控制网应用于多少个生成步骤。合理设置这两个参数可以平衡不同控制网的作用。
生成图像的步数对图像质量有什么影响?
-步数越多,图像的质量可能会更高,但需要的生成时间也会更长。默认性能设置下的步数为30。理想情况下,找到步数与质量及时间之间的平衡点。
Outlines
😊输入图像选项卡的提示和技巧
本段概述了一些使用输入图像选项卡的提示和技巧,包括历史日志的使用以及如何复制和查看以前的生成设置,微调表情的方法,组合使用多个输入图像的控制网等。
😃控制网设置的详细解释
本段详细解释了输入图像选项卡中的各种控制网设置,包括图像提示、Pyan、CPDS、面部交换等,以及权重、停止等参数如何影响控制网的作用程度。
Mindmap
Keywords
💡历史记录
💡输入图像
💡控制网
💡变体
💡权重
💡停止点
💡面部交换
💡图像提示
💡Canny
💡CPDS
Highlights
历史日志允许您查看并复制先前的生成设置
非常微妙设置可用于略微改变图像表达式
图像提示结合文字提示可生成混合图像
平安 NET 可捕捉图像细节并应用于新图像
保真去色网格可提取图像结构作为控制网格
人脸替换 ONLY 替换人脸和头发细节
权重控制网格的影响程度,停止控制应用的步骤数
示例展示不同设定下的图像生成差异
高级设置允许组合多种控制网格
控制网格可保留原图元素同时变更风格
人脸替换可与其他控制网格及文字提示组合
停止设置控制网格的持续步骤百分比
权重和停止共同控制每步影响程度
默认设定通常效果最佳
组合使用控制网格及文字提示创造新图像
Transcripts
in this third installment of my series
on Focus I want to dive deeper into the
input image Tab and show you some tricks
I've learned as well as some other
quality of life tips that you might not
know about I will explain some settings
that even confused me when I first
started to use them and break down the
control Nets and their settings to help
you fully understand what they are doing
and which ones are better for what
purpose if you haven't seen my previous
videos feel free to start there if you
like otherwise let's get started first
thing I want to show you is something
some of you may not know about and that
is the history log click Advanced then
click history log in here you can find
all your previous generations you can
use this if you created something in the
past and wanted to know what settings
and inputs you used if you want to reuse
one of these settings all you have to do
is click copy to clipboard then hit okay
go back to the Focus window and paste
that into the text prompt you will
notice the generate button changed to
load parameters this will change all the
settings and focus to the ones you used
for that previous image one thing to
note is that while it loads all the
settings if one of these images was
generated while using the input image
settings it will not load in the
previous images you were using you will
have to read those manually the second
tip about the history log is that you
may have noticed that it only shows the
images you created that day you can see
all the images you have created if you
go to your focuses output
folder go to your focus outputs folder
then you can see where your Generations
are separated into folders by date when
you go into a folder you will see a log
HTML file double click that and it will
open that days log file where you can
see those
Generations if you don't see a copy to
clipboard in a past log file it was
probably made before that option was
implemented this is something added
recently okay I'm going to reload my
page to go back to default settings and
we will now go into input image in the
upscale or variation tab I mainly want
to talk about the very subtle setting
this is a nice tool to add a little
variation in your image one thing I use
it for is changing the expression of an
image this can also be done in the
inpaint tool but it can come out a
little more natural here sometimes I
will load an image in here and select
very subtle for this I'm using all the
default settings other than changing the
resolution to 768
x344 and unchecking random with this
image we will try to get a happy
expression sometimes a few simple words
will
work and that definitely worked we got a
little smile but if we want to go bigger
maybe try to get her
laughing and still a subtle expression
so we can try going bigger adding mouth
wide open lots of teeth showing and see
what that gives us a little better but
again this is subtle change so it's it's
not going to go
crazy you can obviously go the other way
and get an angry
expression it's different with each
image some pictures don't take much to
get exaggerated emotions While others
can take some real
effort the rest of these settings I've
covered before so I'm going to move on
to image
prompt here we can combine up to four
Images together first thing to do is
click the checkbox advanced so we can
get these extra settings to show okay
I'm going to do my best to thoroughly
explain all these settings in here and
hopefully it will make a bit more sense
to you the first is image prompt this is
very similar to Mid journey in that when
you upload your own image and use that
as a base it will take everything from
the image the style character
composition colors and use it all to
influence the final image I'll grab an
image and add a simple text
prompt and we will see what we
get using this prompt you can see it
mixed a little bit of everything from
this image with our prompt now how much
it influences has to do with the stop at
and wait settings but we will go over
those a little
later next we have
pyan this is a great setting if you are
trying to get a character with a similar
pose or keep details from one image to
another what it does is is creates a
line art picture that captures intricate
details of your image then applies that
to your text prompt and any other
control Nets you
have so let's try this out I will add
this text prompt a woman in a business
suit in an
office
using this text prompt I got a
composition very similar to the image
even the background shapes are included
and then altered enough to match the
scene so with canny you can keep an
image and character similar to what you
have and still change the entire style
and come out with some great results
it's a very useful
tool cpds stands for contrast preserving
decolorization structure sounds complex
but it is a custom control net by the
focus team that incorporates depth
control combined with a decolorization
method that converts the image to black
and white and uses the structure of that
as a control net to influence an image
pyan and cpds are doing the same thing
but using completely different methods
you can successfully combine all of
these control Nets but when it comes to
these two it's best to only use one or
the
other face swap will detect only the
face and hair from an image and apply it
to the final generation either by using
just a text prompt or a combination of
images control Nets and text
prompts let's add another image
here and we will be adding this face to
this image structure for this we will
use pyate canny and on this image we
will select face swap without any text
prompt the AI will take the structure of
this image add this face and then make
up its mind to fill in the
blanks it will not add this face onto
this exact image as the control net is
only going by the overall structure but
with a text prompt describing a subject
like our first picture then we get a
composition very close to this
image but really you can make this go
wherever you
want with this text prompt a clown woman
at a
circus you can see we have the structure
of the first image the face of the
second and now our setting is a circus
you can see it's trying to put clown
makeup on her but the face swap settings
are pretty high since we want to keep it
close to this face but we can keep
adding to the text prompt to get more
changes to the face or even start to
lower the face swap settings a little
eventually pushing the text to start
overtaking the control net we can also
um add an image prompt
here let's say we like the color style
of this
image and want it to start mixing in a
bit since we already have two control
Nets I will increase the weight for this
to help it start showing without a text
prompt once again the AI will do its own
thing but you can see it's adding those
bright colors
in now that you better understand what
each of these control Nets do let's talk
about how these settings work and affect
them here are the settings we can change
these will directly affect whichever
control net we have
selected weight is how much we want the
selected control net to influence the
final image the higher the weight the
more it will push that control Net's
influence per step the stop at takes
that control net and the weight and then
applies it to the gener a for however
many steps we set it for with
Performance Set to speed all images will
go through 30 steps that is how many
times the image will run through its
algorithm until the final image is
completed you see that every time you
generate
images think of the stop at setting as a
percentage with the pyan here at 0.5 it
is 50% so with 30 steps total this
control net will be applied for the
first 15 Steps only basically it will
stop at 50% this gives the image a
chance to get its basic structure formed
and then at 50% let the other control
Nets and text prompts continue to
influence the image in whatever way you
are asking them to setting it higher
will have the control net applied to
more steps and keep the structure
likeness towards the original image and
will give the AI less ability to draw
Outside the Lines the same goes for
setting it lower that will give more
freedom to the AI and not adhere to the
structure so much so the weight is how
strong the control net affects every
step and the stop at is how many steps
the control net will run for there is no
magic number between the settings but
going off the defaults that each control
net starts with is best we can delve
deeper but I feel like any further and
it will be overwhelming but I hope this
is starting to make sense before
wrapping this up I want to show some
visual side by-side examples of
different settings with stop at and
wait I didn't run cpds in this vid but
as you can see it's similar to
pyan and here are a few featuring face
swap and I think I will conclude this
video here I don't ever ask for likes
and subscribes I figure you will do that
on your own but I will say thanks to
those who do I appreciate it and it
motivates me to keep creating I will see
you in the next one
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