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Serizawa Momoka (Tokyo 7th Sisters) | Guide: Mask, Don't Negative Prompt: Dealing with Undesirable Parts of Training Images

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Model Description by Creator

(It would be greatly appreciated if someone can point to me a clean source of Tokyo 7th Sisters assets. I don't really want to scrape Twitter or reverse the game API.)

Mask, Don't Negative Prompt: Dealing with Undesirable Parts of Training Images

Introduction

Training images aren't always clean. Sometimes, when training for a given target, unrelated parts in images such as text, frames, or watermarks will also be learned by the model. There are several strategies that can be applied to this problem, each with shortcomings:

  1. Cropping: Leave out undesired parts. Modifies source composition, not applicable in some cases.

  2. Inpainting: Preprocess the data and replace undesirable parts with generated pixels. Requires a good inpainting prompt / model.

  3. Negative Prompts: Train as is and add negative prompts when generating new images. Requires the model to know how the undesirable parts map to the prompt.

Another simple strategy is effective:

  1. Masking: Multiply the loss with a predefined mask.

This method is not new, but the most popular LoRA training script has yet to have built-in support for it.

Experiment

60 images with card text and decorations of Serizwa Momoka from Tokyo 7th Sisters were used.

A masked LoRA and an plain unmasked LoRA were trained.

For the masked version, a mask was drawn using image editing software over source images. Note that since the VAE has a 8x scaling factor, what seen by the model is the 8x8 pixelated version. Tags that describe the parts masked away were removed.

Results

(see preview images)

Future work

  • Auto generation of masks with segmentation models

Images Generated With This Model

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Serizawa Momoka, 
1girl, :d, blue bow, blush, bow, collared shirt, epaulettes, gloves, green hair, hair between eyes, hair bow, hair ornament, hands up, hat, heart, heart hair ornament, holding, holding microphone, jacket, long hair, microphone, mini hat, open mouth, ponytail, puffy short sleeves, puffy sleeves, shirt, short sleeves, sidelocks, skirt, smile, solo, striped, striped bow, tilted headwear, white gloves, white headwear, white jacket, white shirt, white skirt
<lora:srzwmmk-masked-v1.0-000050:1>
N/A
Hidden For Public Users
Serizawa Momoka, 1girl, :d, blue bow, blush, bow, collared shirt, epaulettes, gloves, green hair, hair between eyes, hair bow, hair ornament, hands up, hat, heart, heart hair ornament, holding, holding microphone, jacket, long hair, microphone, mini hat, open mouth, ponytail, puffy short sleeves, puffy sleeves, shirt, short sleeves, sidelocks, skirt, smile, solo, striped, striped bow, tilted headwear, white gloves, white headwear, white jacket, white shirt, white skirt <lora:srzwmmk-masked-v1.0-000050:1>
Serizawa Momoka, 1girl, :d, aqua eyes, blazer, blue skirt, bow, bowtie, breast pocket, collared shirt, green background, green hair, hair between eyes, hair ornament, hair scrunchie, hand in pocket, hand on own chest, head tilt, heart, heart hair ornament, jacket, long sleeves, open clothes, open jacket, open mouth, pleated skirt, pocket, ponytail, red bow, red bowtie, school uniform, scrunchie, shirt, skirt, smile, solo, sweater vest, unbuttoned, white shirt, wing collar
<lora:srzwmmk-masked-v1.0-000050:1>
N/A
Hidden For Public Users
Serizawa Momoka, 1girl, :d, aqua eyes, blazer, blue skirt, bow, bowtie, breast pocket, collared shirt, green background, green hair, hair between eyes, hair ornament, hair scrunchie, hand in pocket, hand on own chest, head tilt, heart, heart hair ornament, jacket, long sleeves, open clothes, open jacket, open mouth, pleated skirt, pocket, ponytail, red bow, red bowtie, school uniform, scrunchie, shirt, skirt, smile, solo, sweater vest, unbuttoned, white shirt, wing collar <lora:srzwmmk-masked-v1.0-000050:1>
Serizawa Momoka, 1girl, blush, braid, braided bangs, cherry blossoms, choker, french braid, garter straps, green eyes, green hair, hair down, hair ornament, long hair, looking at viewer, matching hair/eyes, open mouth, petals, shorts, solo, tears, thighhighs
<lora:srzwmmk-masked-v1.0-000050:1>
N/A
Hidden For Public Users
Serizawa Momoka, 1girl, blush, braid, braided bangs, cherry blossoms, choker, french braid, garter straps, green eyes, green hair, hair down, hair ornament, long hair, looking at viewer, matching hair/eyes, open mouth, petals, shorts, solo, tears, thighhighs <lora:srzwmmk-masked-v1.0-000050:1>
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Serizawa Momoka, 1girl, solo, green hair, green eyes, blue sky, outdoors, flower, white dress
<lora:srzwmmk-masked-v1.0-000050:1>
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Serizawa Momoka, 1girl, solo, green hair, green eyes, blue sky, outdoors, flower, white dress <lora:srzwmmk-masked-v1.0-000050:1>
Serizawa Momoka, 1girl, bow, collared shirt, green eyes, green hair, hair ornament, hair scrunchie, heart, heart hair ornament, jacket, long hair, open clothes, open jacket, open mouth, pink jacket, ponytail, red bow, scrunchie, shirt, simple background, solo, sweat, sweater vest, upper body, wavy mouth, white background, white shirt, yellow scrunchie
<lora:srzwmmk-masked-v1.0-000050:1>
N/A
Hidden For Public Users
Serizawa Momoka, 1girl, bow, collared shirt, green eyes, green hair, hair ornament, hair scrunchie, heart, heart hair ornament, jacket, long hair, open clothes, open jacket, open mouth, pink jacket, ponytail, red bow, scrunchie, shirt, simple background, solo, sweat, sweater vest, upper body, wavy mouth, white background, white shirt, yellow scrunchie <lora:srzwmmk-masked-v1.0-000050:1>
1girl, futaba anzu, long hair, solo, hat, striped, twintails, blonde hair, sky, short sleeves, open mouth, microphone, puffy sleeves, puffy shorts, bow, puffy short sleeves, low twintails, cloud, shorts, day, brown eyes, holding, stuffed toy, stuffed animal, stuffed bunny, holding microphone, blush, white headwear, blue sky, shirt, thighhighs, tears, outdoors, food, wrist cuffs, looking at viewer, very long hair, bangs, dutch angle, center frills, blue bow, bowtie, beret, white shirt, hair bow, hair between eyes, standing, striped bow, frills, hat bow, vest, jacket, v-shaped eyebrows, (masterpiece,best quality)
N/A
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1girl, futaba anzu, long hair, solo, hat, striped, twintails, blonde hair, sky, short sleeves, open mouth, microphone, puffy sleeves, puffy shorts, bow, puffy short sleeves, low twintails, cloud, shorts, day, brown eyes, holding, stuffed toy, stuffed animal, stuffed bunny, holding microphone, blush, white headwear, blue sky, shirt, thighhighs, tears, outdoors, food, wrist cuffs, looking at viewer, very long hair, bangs, dutch angle, center frills, blue bow, bowtie, beret, white shirt, hair bow, hair between eyes, standing, striped bow, frills, hat bow, vest, jacket, v-shaped eyebrows, (masterpiece,best quality)
<lora:HonamiV2-04:0.7>.mhonami, 1girl, solo, long hair, looking at viewer, smile, blue eyes, skirt, brown hair, shirt, hair ornament, gloves, bow, holding, twintails, jewelry, medium breasts, sitting, closed mouth, jacket, white shirt, pink hair, short sleeves, sidelocks, pleated skirt, black gloves, striped, puffy sleeves, shiny, collared shirt, belt, indoors, blunt bangs, fingerless gloves, bowtie, black skirt, black footwear, red bow, shiny hair, puffy short sleeves, fingernails, plaid, dutch angle, feet out of frame, shadow, from above, wavy hair, scrunchie, light brown hair, polka dot, light smile, wing collar, instrument, light particles, red jacket, light blush, black belt, wooden floor, glint, on floor, dot nose, cable, diagonal stripes, floor, drum, stage, speaker, drumsticks, diagonal-striped bow, reflective floor, sidelighting, drum set, amplifier
N/A
Hidden For Public Users
<lora:HonamiV2-04:0.7>.mhonami, 1girl, solo, long hair, looking at viewer, smile, blue eyes, skirt, brown hair, shirt, hair ornament, gloves, bow, holding, twintails, jewelry, medium breasts, sitting, closed mouth, jacket, white shirt, pink hair, short sleeves, sidelocks, pleated skirt, black gloves, striped, puffy sleeves, shiny, collared shirt, belt, indoors, blunt bangs, fingerless gloves, bowtie, black skirt, black footwear, red bow, shiny hair, puffy short sleeves, fingernails, plaid, dutch angle, feet out of frame, shadow, from above, wavy hair, scrunchie, light brown hair, polka dot, light smile, wing collar, instrument, light particles, red jacket, light blush, black belt, wooden floor, glint, on floor, dot nose, cable, diagonal stripes, floor, drum, stage, speaker, drumsticks, diagonal-striped bow, reflective floor, sidelighting, drum set, amplifier
<lora:TomoeUdagawa-03:0.7>, tomouda, 1girl, solo, long hair, looking at viewer, blush, smile, blue eyes, skirt, shirt, hair ornament, thighhighs, hat, bow, ribbon, holding, jewelry, sitting, ponytail, short sleeves, sidelocks, red hair, earrings, boots, frills, one eye closed, food, shorts, hairclip, midriff, striped, puffy sleeves, shiny, indoors, bowtie, star (symbol), black footwear, apron, side ponytail, cup, puffy short sleeves, crop top, wrist cuffs, short shorts, thigh strap, detached collar, swept bangs, black shorts, knee boots, frilled skirt, wing collar, single thighhigh, red shirt, waist apron, red headwear, striped thighhighs, vertical stripes, red jacket, cross-laced footwear, tray, asymmetrical legwear, knee up, drinking straw, striped shirt, mini hat, ice cream, lace-up boots, waitress, uneven legwear, holding tray, burger, vertical-striped thighhighs, striped skirt, pinstripe pattern, french fries, vertical-striped skirt, screen
N/A
Hidden For Public Users
<lora:TomoeUdagawa-03:0.7>, tomouda, 1girl, solo, long hair, looking at viewer, blush, smile, blue eyes, skirt, shirt, hair ornament, thighhighs, hat, bow, ribbon, holding, jewelry, sitting, ponytail, short sleeves, sidelocks, red hair, earrings, boots, frills, one eye closed, food, shorts, hairclip, midriff, striped, puffy sleeves, shiny, indoors, bowtie, star (symbol), black footwear, apron, side ponytail, cup, puffy short sleeves, crop top, wrist cuffs, short shorts, thigh strap, detached collar, swept bangs, black shorts, knee boots, frilled skirt, wing collar, single thighhigh, red shirt, waist apron, red headwear, striped thighhighs, vertical stripes, red jacket, cross-laced footwear, tray, asymmetrical legwear, knee up, drinking straw, striped shirt, mini hat, ice cream, lace-up boots, waitress, uneven legwear, holding tray, burger, vertical-striped thighhighs, striped skirt, pinstripe pattern, french fries, vertical-striped skirt, screen
Ichigo Mashimaro,1girl, solo, skirt, hat, brown hair, microphone, hair ornament, plaid, bow, brown eyes, jacket, open mouth, smile, hair bobbles, bowtie, looking at viewer, short hair, plaid skirt, top hat, simple background, school uniform, pleated skirt, holding, white background, long sleeves, :d, mini hat, blush, blazer, side ponytail, shirt, child, cowboy shot, black headwear, one side up, white shirt, black jacket, holding microphone, red skirt, cropped legs, <lora:Ichigo Mashimaro:0.8>
N/A
Hidden For Public Users
Ichigo Mashimaro,1girl, solo, skirt, hat, brown hair, microphone, hair ornament, plaid, bow, brown eyes, jacket, open mouth, smile, hair bobbles, bowtie, looking at viewer, short hair, plaid skirt, top hat, simple background, school uniform, pleated skirt, holding, white background, long sleeves, :d, mini hat, blush, blazer, side ponytail, shirt, child, cowboy shot, black headwear, one side up, white shirt, black jacket, holding microphone, red skirt, cropped legs, <lora:Ichigo Mashimaro:0.8>
<lora:MiyuD4DJ-05:0.7> , miyusakurada, looking at viewer, smile, open mouth, skirt, shirt, long sleeves, hat, bow, holding, standing, jacket, white shirt, braid, :d, pantyhose, pleated skirt, outdoors, sky, day, puffy sleeves, shiny, cloud, black footwear, high heels, blue sky, hand on hip, plaid, black pantyhose, dutch angle, sparkle, buttons, swept bangs, beret, upper teeth only, standing on one leg, feathers, juliet sleeves, green skirt, microphone, lens flare, green bow, cropped jacket, glint, grey jacket, hat feather, holding microphone, grey headwear, stage, white feathers, stage lights, plaid headwear, falling feathers
N/A
Hidden For Public Users
<lora:MiyuD4DJ-05:0.7> , miyusakurada, looking at viewer, smile, open mouth, skirt, shirt, long sleeves, hat, bow, holding, standing, jacket, white shirt, braid, :d, pantyhose, pleated skirt, outdoors, sky, day, puffy sleeves, shiny, cloud, black footwear, high heels, blue sky, hand on hip, plaid, black pantyhose, dutch angle, sparkle, buttons, swept bangs, beret, upper teeth only, standing on one leg, feathers, juliet sleeves, green skirt, microphone, lens flare, green bow, cropped jacket, glint, grey jacket, hat feather, holding microphone, grey headwear, stage, white feathers, stage lights, plaid headwear, falling feathers
folded twintails,zzll,1girl,;d,blush,bow,bowtie,box,cowboy shot,crown,dress,frilled skirt,frills,gift,hair ornament,heart,heart-shaped box,holding,holding gift,layered skirt,looking at viewer,one eye closed,open mouth,short sleeves,simple background,skirt,smile,solo,striped,striped bow,v,v over eye,white background,yellow bow,ribbon,ahoge,teeth,puffy sleeves,puffy short sleeves,detached collar,frilled dress,microphone,layered dress,holding microphone,idol,arm ribbon,multicolored dress,wrist ribbon,treble clef<lora:mikuhairstyle:1>,<lora:lala-000009:1>,
N/A
Hidden For Public Users
folded twintails,zzll,1girl,;d,blush,bow,bowtie,box,cowboy shot,crown,dress,frilled skirt,frills,gift,hair ornament,heart,heart-shaped box,holding,holding gift,layered skirt,looking at viewer,one eye closed,open mouth,short sleeves,simple background,skirt,smile,solo,striped,striped bow,v,v over eye,white background,yellow bow,ribbon,ahoge,teeth,puffy sleeves,puffy short sleeves,detached collar,frilled dress,microphone,layered dress,holding microphone,idol,arm ribbon,multicolored dress,wrist ribbon,treble clef<lora:mikuhairstyle:1>,<lora:lala-000009:1>,
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