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Great news for all MidJourney users! A new consistency parameter has been added to help maintain the same facial features across various poses and expressions of your characters.
Generative AI services like MidJourney, known for their randomness, require complex methods to maintain consistencyโsomething weโve touched on in our previous VideoStew blog post.
We put this update to the test to quench our thirst (?) for character consistency.
Creating a Key Character (Reference Image)
Initially, we created a main character. Oh, and by the way, MidJourney has recently unveiled a web interface that allows image generation without needing Discord. (
It is still in alpha phase and only available to heavy users.)< MidJourney Web Interface >
We started by generating a reference image with the following prompt:
The images generated were interesting, and we chose the second image to upscale for better resolution.
By right-clicking and copying the image address, the prep work for the reference image was completed.
Creating Image Variations
We then put our rapper in different scenarios and poses to test his versatility.
We used the following prompt with the --cref [reference image address] at the end of the prompt:
The results were quite satisfying.
< Our rapper reading at home >
It's also good to know about
--cw
(character weight). Without specifying, the default is--cw 100
, which tries to retain all attributes of the reference. However, with--cw 0
, we experimented again:--cw
value was set to 0, significantly altering the tattoos, hats, and other attributes except the face.< Rapper with changed outfit and tattoos >
Can Character Consistency Be Used in Webtoon Production?
Since the basic functionality of the character consistency parameters worked, we quickly tried it out for webtoon production:
Out of the four results, we upscaled the second image and planned to try various poses and settings.
< Reference image in webtoon style >
We simplified the prompt to just โa ladyโ while applying the
--cref
.The result was a photorealistic version of the webtoon character, same style, same outfit, definitely the same person. Is this the real-life version of a webtoon character?
< The real-life webtoon girl appears>
Rechallenging with the Core Prompt
So, we tried again, maintaining the prompt but using the
--cref
to create an image of the protagonist sitting on a busโand it was a huge success!< The protagonist tearing out of and into the comics >
What if Two Characters Appear?
The prospect of using this for webtoons or storytelling is becoming more intriguing. What if we tried creating an image of a girl chatting with her boyfriend at a cafรฉ?
Wow, one out of four was a success, but strange images of clone-like characters chatting were generated.
We tried the Rerun function to regenerate 8 images. The result? It was disastrousโฆ
Trying Style Consistency Prompts
If
cref
helps maintain character consistency,sref
maintains stylistic consistency.We attempted to create a scene with a horrifying atmosphere in a Korean comics style. First, we generated a terrifying setting:
After copying the address of the first reference image:
Then we applied both reference images together.
The result? A success! Our protagonist was created running in fear on a subway platform in the desired style.
Although the prompt was about fear and fleeing, it serendipitously played in our favor. Can we maintain the horrific style while depicting our Korean college student smiling and drinking coffee in a park?
Yes, it worked! The original color palette and feel of the style reference clearly manifested, even though the expression was smiling.
Creating Spooky YouTube Shorts
Building on our experiments, thereโs potential to create a horror short. Simple scary stories were requested from GPT, and each matching image used the style and character consistency parameters.
The result after putting everything together on VideoStew?
Combine haunting background music and a suitable AI voice, and voilaโa decent quality video is easily crafted. Preparing the required images for each sentence beforehand made the process incredibly fast.
So, what's the verdict?
Using
cref
andsref
together, itโs feasible to maintain graphic style and face consistency for single-character content production. However, for story progression that requires multiple characters, this still seems challenging. Combining it with the methods used in the past (refer to our past MidJourney Character Consistency Posting) might work to some extent, but donโt get your hopes too high. With generative AI services evolving daily, let's hope for an update that handles multi-character consistency next time!