Z-Imageとおっぱい

Z-Image Turboはそのままではヌードが得意ではありません。これはヌード画像を学習していないためだと言われています。モデルの中身を見ることができるわけではないので真偽のほどは定かではありませんが、ヌードがあまり得意ではないという生成結果の方は確実です。
今回はそれを補うLoRA「Z Female Body Retouched」を使ってみた画像です。おっぱいはたしかに良くなりましたが、LoRAの影響は画像全体に出ています。良い画像もありますが、元のZ-Imageの良さが失われているものもなくはないようにも思います。プロンプトの巧拙もあるかもしれません。このLoRA使用を前提としたプロンプトを考えればもう少し改善されるかもしれません。とりあえずLoRA使用の参考画像としてご覧ください。
Z Female Body Retouchedと合わせてBreast Size Sliderも利用しています。このふたつの相性は悪くなさそうです。ギャラリーの中のおっぱいの小さい画像はBreast Size Sliderを利用しています。
LoRAを利用していない画像



最初にLoRAを使用していないときの画像も掲載します。
A highly detailed realistic photograph of a beautiful young East Asian woman with fair skin, long straight black hair with blunt bangs, and striking dark eyes, wearing dramatic red lipstick and red nail polish, posing seductively while seated outdoors. She has large floppy bunny ears headband in black and pink velvet, a revealing navy blue two-piece bunny suit outfit with pink trim, gold buttons, keyhole cutouts on the chest and halter neck, and matching bottoms. She poses playfully by raising her right arm to form a rectangular frame gesture above her right eye with thumb and index finger while her left hand points with the index finger toward her left cheek, silver metal handcuffs locked around both wrists with visible chains and white straps. She gazes directly at the viewer with a coy expression, head slightly tilted. Shot in bright natural daylight with soft shadows, sharp focus on the subject, shallow depth of field, realistic skin texture and fabric details, casual selfie-style low angle composition against a simple white fabric tent backdrop and gravel ground with a rusty metal object visible in the background. Photorealistic, high resolution, natural colors, cinematic lighting.
Z Female Body Retouchedを利用した画像
以下はLoRA適用の画像です。強度は0.8にしています。少し全体の雰囲気が変わっています。バニー以外の画像も同じ強度でLoRA適用しています。こちらはLoRA前の画像はありませんが、なんとなくLoRAに引っ張られる方向性は見えるかなと思います。おっぱいはたしかに良くなりました。その意味ではこのLoRAは良いLoRAだと言えます。



























プロンプト
使用したプロンプトです。モデルはすべて「z_image_turbo_bf16」でforege neoを利用して生成しました。
- バニー
A highly detailed realistic photograph of a beautiful japanese woman in her early 20s, long straight black hair with blunt bangs, and striking dark eyes, wearing dramatic red lipstick and red nail polish standing in the center of an indoor storage room. She has large floppy bunny ears headband in black and pink velvet. She is naked. large breast is exposed. She has bushy pubic hair. thighs. She poses playfully by raising her right arm to form a rectangular frame gesture above her right eye with thumb and index finger while her left hand points with the index finger toward her left cheek, silver metal handcuffs locked around both wrists with visible chains and white straps. She gazes directly at the viewer with a coy expression, head slightly tilted. Shot in bright natural daylight with soft shadows, sharp focus on the subject, shallow depth of field, realistic skin texture and fabric details. Photorealistic, high resolution, natural colors, cinematic lighting. - リビングルーム
photo of a 25 years old beautiful japanese woman, Both arms are naturally raised behind her head, She has a armpit hair, with blunt bangs, facing towards camera, She is fully nude, pubic hair, Detailed skin texture, pore-level detail, in messy livingroom, Mysterious atmosphere, Shot on 85mm lens, f/1.8 aperture, cinematic lighting, harsh fluorescent overhead lighting, 8k resolution, photorealistic, high quality. - ベッドルーム
realistic photo of a japanese woman in her 30s, She is topless, left arm behind head, a faint growth of soft black downy hair visible in her armpit, Expression is natural and unposed,looking slightly away from the camera,with minimal makeup and flushed skin.Holding her phone in right hand, Room feels lived-in,with white walls,a bed with rumpled sheets nearby,and daylight coming through a window behind her,making the background brighter than the subject.Typical phone-camera imperfections like uneven lighting, noticeable grain,soft distortion around the edges,and slightly harsh contrast. - 外
Realistic portrait of A young East Asian woman in her early 20s, facing forward, shoulder-length straight dark brown bob haircut with straight bangs, soft natural makeup, and a neutral serene expression, stands in the foreground looking directly at the viewer. She is topless, her breasts is exposed. she wears a light-colored loose pants, white wired earphones hanging around her neck, and a gold link bracelet on her right wrist. Arms behind head, naturally exposing her hairy armpit. She has a natural armpit hair. Photographed in bright natural daylight with soft even lighting, realistic photographic style, sharp focus on the subject, shallow depth of field, background showing residential houses with tiled roofs, green forested hills, and a wire fence on a balcony or elevated outdoor setting. Medium close-up portrait composition, high detail, natural colors, cinematic realism.

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