introduce
Art QR code is a new type of QR code that combines art and modern technology. It has the characteristics of aesthetics and strong functionality. Compared with ordinary QR codes, this type of code has greatly improved viewing and has many application scenarios.
Get the original image of the QR code
QR code original image
The picture above shows the most common QR code style. Although this style is popular, it has obvious positioning points, which is not conducive to our higher-level artistic creation. In order to meet the needs of higher-level artistic creation, we can explore more diverse QR code styles and make corresponding polishes and improvements.
Change the QR code style
First of all, we need to change the style of the QR code so that we can get better processed pictures.
1. Forage QR code: Forage QR code decoder (analyze the URL information of the original QR code)
2. Anthony QR code: https://qrcode.antfu.me/ (generate a new QR code based on the URL information)
first step:
Step two:
third step:
the fourth step:
the fifth step:
Step six:
Step seven:
Step Eight:
The rest of the parameters can be defaulted, and then save the modified QR code locally.
Both of these two QR codes can be scanned, and can also be recognized by long pressing. You can try it.
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Stable diffusion treatment
Step 1: Select a large model and fill in the prompts.
Here I chose two large models, one is a realistic model, and the other is an anime character model
CounterfeitV30_V30 : anime character style
revAnimated_v122 : realistic style
Anime Character Style Tips:
Prompt：
(1girl), long hair, perfect body, windy, blue sky background, full shot,natural light,(masterpiece,high quality),Highly detailed,
Negative Prompt：
nsfw,logo,text,badhandv4,EasyNegative,ng_deepnegative_v1_75t,rev2-badprompt,verybadimagenegative_v1.3,negative_hand-neg,mutated hands and fingers,poorly drawn face,extra limb,missing limb,disconnected limbs,malformed hands,ugly,
Realistic style prompts:
Prompt：
girl cherry blossoms,tree, no humans, blue sky background,natural light,nobody,8K, best quality,realistic,octane,masterpiece,Highly detailed,
Negative prompt:
nsfw, logo, text, badhandv4, EasyNegative, ng_deepnegative_v1_75t, rev2-badprompt, verybadimagenegative_v1.3, negative_hand-neg, mutated hands and fingers, poorly drawn face, extra limb, missing limb, disconnected limbs, malformed hands, ugly,
The details are as follows:
Step 2: Add detail settings
This plug-in is mainly for models with characters, and it is not very useful for models without characters.
Step Three: ControlNet Setup
In ControlNet, two control models are needed, qrcode monster and brightness.
qrcode monster model: It can be understood as a graph-generated graph model dedicated to QR codes ( it is recommended to set the control weight between 1.2 and 1.5) . The larger the value of the parameter controlling the weight, the easier it is to scan the image, but the QR code style is also more obvious; the smaller the value, the more room for AI to play, and the image is more like the image you want, but it can be successful. The probability of scanning codes is also smaller. It is recommended to start with 1.5 first, then gradually reduce the optimization, and then reduce or increase the optimization according to the quality of the image output.
Brightness model: adjust the light and dark contrast of the image, that is, make the bright places in the picture bright and the dark places dark, so as to improve the recognition rate (recommended between 0.15 and 0.3). The introduction timing is 0.2~0.5, the exit timing is 0.6~0.9, and the intervention time is set at about 30%~40%. (Tips: If the generated picture can be scanned but cannot be recognized by long press, you can try to improve the exit timing).
The following are the specific settings, the settings of the realistic model and the anime character model are the same.
qrcode monster model setup 1:
qrcode monster model setup 2:
General preview of qrcode monster model:
brightness model set 1:
brightness model set 2:
General preview of the brightness model:
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Final effect display
anime character style
It can be found that the pictures drawn in the two-dimensional style still have a little bit of two-dimensional code style.
realistic style
It can be found that the pictures obtained in a realistic style are more realistic, and the signs of QR codes have become much less.
epilogue
So, today we introduce here. Interested friends can follow us, we will continue to update this series of tutorials.
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