Gemini-2.5-Flash-image-preview(Nano-banana, Google)

25분 분량

latest-update: 25-09-01

  • 추가로, 저작권 이슈 문제 체크해 볼것. → 김건우 교수님.?

Gemini-2.5-Flash-image-preview(a.k.a. Nano-banana, Google)

  • 데이터 최강자 Google에서 발표한 hot한 img-gen, editing 모델
  • 향후 Google Gemini에 통합 예정.
  • 아직 정식 출시가 아니라 unstable 하지만, 현 시점 SOTA(State Of The Art) 중 하나.
  • 접근은 Google AI Studio를 통해서
  • Official prompting Guideline

Prompting guide and strategies(from Google Studio)

Guide

Describe the scene, don’t just list keywords. The model’s core strength is its deep language understanding. A narrative, descriptive paragraph will almost always produce a better, more coherent image than a list of disconnected words.

Best Practices

To elevate your results from good to great, incorporate these professional strategies into your workflow.

  • Be Hyper-Specific: The more detail you provide, the more control you have. Instead of “fantasy armor,” describe it: “ornate elven plate armor, etched with silver leaf patterns, with a high collar and pauldrons shaped like falcon wings.”

  • Provide Context and Intent: Explain the purpose of the image. The model’s understanding of context will influence the final output. For example, “Create a logo for a high-end, minimalist skincare brand” will yield better results than just “Create a logo.”

  • Iterate and Refine: Don’t expect a perfect image on the first try. Use the conversational nature of the model to make small changes. Follow up with prompts like, “That’s great, but can you make the lighting a bit warmer?” or “Keep everything the same, but change the character’s expression to be more serious.”

  • Use Step-by-Step Instructions: For complex scenes with many elements, break your prompt into steps. “First, create a background of a serene, misty forest at dawn. Then, in the foreground, add a moss-covered ancient stone altar. Finally, place a single, glowing sword on top of the altar.”

  • Use “Semantic Negative Prompts”: Instead of saying “no cars,” describe the desired scene positively: “an empty, deserted street with no signs of traffic.”

  • Control the Camera: Use photographic and cinematic language to control the composition. Terms like wide-angle shot, macro shot, low-angle perspective.

Limitation

  • For best performance, use the following languages: EN, es-MX, ja-JP, zh-CN, hi-IN.
  • Image generation does not support audio or video inputs.
  • The model won’t always follow the exact number of image outputs that the user explicitly asked for.
  • The model works best with up to 3 images as an input.
  • When generating text for an image, Gemini works best if you first generate the text and then ask for an image with the text.
  • Uploading images of children is not currently supported in EEA, CH, and UK.
  • All generated images include a SynthID watermark.

In-painting(Semantic masking)

Inpainting(Template)

Using the provided image, change only the (specific element) to (new element/description). Keep everything in the image exactly the same, preserving the original style, lighting, and composition.

Multi column

Original

Edited

Prompt

Using the provided image of a living room, change only the blue sofa to be a vintage, brown leather chesterfield sofa…

Important Feature

1. 캐릭터 일관성 유지

  • “Build me an image editing app that lets a user upload an image and apply different filters.” — AI Studio 내 템플릿 예시 (Google Developers Blog).

  • 인물이나 제품의 외형을 유지하면서 다른 환경이나 각도에서 다시 표현:

    • “Place this character in a forest at night.”
    • “Show this product from multiple angles in different settings.” (Google Developers Blog).

2. 프롬프트 기반 이미지 편집

  • “Blur the background of the image.”
  • “Remove the stain from the shirt.”
  • “Change the subject’s pose.”
  • “Colorize this black and white photo.” (Google Developers Blog).

3. 체계적 세계 지식 기반 편집

  • 손그림 다이어그램을 인식하고 교육용 튜터 앱으로 활용:
    • “Convert this hand-drawn diagram into an educational illustration and label its parts.” (Google Developers Blog).

4. 멀티 이미지 융합

  • 여러 이미지를 하나의 장면으로 결합:
    • “Fuse these two product images into a photorealistic composite.”
    • “Insert this object into the given room scene.” (Google Developers Blog).

이 외에도 Bylo.ai 같은 플랫폼에서는 Nano Banana 모델을 활용해 아래와 같은 다양한 프롬프트가 사용되고 있습니다 (bylo.ai):

  • “Apply different artistic styles to this image.”
  • “Erase unwanted elements and blend naturally.”
  • “Swap background while preserving perspective and lighting.”
  • “Generate new angles from a single image.”
  • “Adjust poses or expressions in a portrait.”

Prompt Summary(Positive)

Multi column

BM3-Neutral

KW2-Neutral

Angry

For SDXL(Stable-Diffusion XL)

Multi column

Moderate

A close-up portrait of the same male showing a moderate expression of anger. His eyebrows are drawn downward and inward with a noticeable crease between them. His eyes are slightly narrowed, adding tension to his gaze. The lips are pressed firmly together, and the jaw appears set, suggesting controlled frustration. All other features remain unchanged – same person, same background, same lighting – resulting in a photorealistic image that captures a restrained but clearly visible anger.

Low

A close-up portrait of the same male with a faint trace of irritation. His eyebrows are drawn together just slightly, creating the softest hint of a crease above the nose. The corners of his lips are pressed together with mild tension, though the mouth remains neutral overall. His eyes hold a focused, controlled gaze. All other features remain unchanged – same person, same background, same lighting – resulting in a photorealistic image that subtly suggests emotional restraint or mild displeasure.

High

A close-up portrait of the same male expressing intense anger. His eyebrows are pulled down sharply and drawn tightly together, forming deep vertical creases above the bridge of his nose. His eyes are narrowed and glaring, with the upper eyelids lowered and a fierce focus in his gaze. His nostrils are slightly flared, and his lips are tightly pressed and stretched, revealing tension in the jaw and chin. All other features remain unchanged – same person, same background, same lighting – resulting in a photorealistic image that captures explosive frustration and barely restrained fury

For Gemini-2.5-Flash-image-preview(nano-banana)

Multi column

Moderate

Using the provided image, modify only the man’s facial expression to display a intense, barely restrained fury with moderate intensity. The new expression should be hyper-realistic, with his eyebrows pulled down sharply and drawn tightly together, forming deep vertical creases above the bridge of his nose. His eyes are narrowed into a fierce, focused glare. His nostrils are slightly flared, and his lips are pressed into a thin, tight line, revealing visible tension in his jaw and chin. Absolute precision is required: the subject’s identity, background, lighting, and the overall photorealistic style must be perfectly preserved and unchanged from the original image.

Low

Using the provided image, subtly modify only the man’s facial expression to display a faint trace of irritation and mild displeasure with low intensity. The new expression should be hyper-realistic, with his eyebrows should be drawn together just slightly, creating the softest, barely perceptible hint of a crease above the bridge of his nose. The corners of his lips are pressed together with mild, contained tension, though the mouth itself remains largely neutral. His eyes maintain a focused, controlled gaze, subtly hinting at emotional restraint. Absolute precision is required: the subject’s identity, background, lighting, and the overall photorealistic style must be perfectly preserved and unchanged from the original image.

High

Using the provided image, intensely modify only the man’s facial expression to display explosive frustration and barely restrained fury with high intensity. The new expression should be hyper-realistic, with his eyebrows must be pulled down sharply and drawn tightly together, forming prominent, deep vertical creases above the bridge of his nose. His eyes are narrowed and intensely glaring, with the upper eyelids significantly lowered, conveying a fierce, almost predatory focus in his gaze. His nostrils are distinctly flared, and his lips are tightly pressed and stretched, clearly revealing severe tension in the jaw and chin. Absolute precision is required: the subject’s identity, background, lighting, and the overall photorealistic style must be perfectly preserved and unchanged from the original image.

Multi column

Moderate

Low

High

Multi column

Moderate

Using the provided image, modify only the woman’s facial expression to display a intense, barely restrained fury with moderate intensity. The new expression should be hyper-realistic, with her eyebrows pulled down sharply and drawn tightly together, forming deep vertical creases above the bridge of her nose. Her eyes are narrowed into a fierce, focused glare. Her nostrils are slightly flared, and her lips are pressed into a thin, tight line, revealing visible tension in her jaw and chin. Absolute precision is required: the subject’s identity, background, lighting, and the overall photorealistic style must be perfectly preserved and unchanged from the original image.

Low

Using the provided image, subtly modify only the woman’s facial expression to display a faint trace of irritation and mild displeasure with low intensity. The new expression should be hyper-realistic, with her eyebrows should be drawn together just slightly, creating the softest, barely perceptible hint of a crease above the bridge of her nose. The corners of her lips are pressed together with mild, contained tension, though the mouth itself remains largely neutral. Her eyes maintain a focused, controlled gaze, subtly hinting at emotional restraint. Absolute precision is required: the subject’s identity, background, lighting, and the overall photorealistic style must be perfectly preserved and unchanged from the original image.

High

Using the provided image, intensely modify only the woman’s facial expression to display explosive frustration and barely restrained fury with high intensity. The new expression should be hyper-realistic, with her eyebrows must be pulled down sharply and drawn tightly together, forming prominent, deep vertical creases above the bridge of her nose. Her eyes are narrowed and intensely glaring, with the upper eyelids significantly lowered, conveying a fierce, almost predatory focus in her gaze. Her nostrils are distinctly flared, and her lips are tightly pressed and stretched, clearly revealing severe tension in the jaw and chin. Absolute precision is required: the subject’s identity, background, lighting, and the overall photorealistic style must be perfectly preserved and unchanged from the original image.

Multi column

Moderate

Low

High

Happy

For SDXL(Stable-Diffusion XL)

Multi column

Moderate

A close-up portrait of the same male with a moderately intense smile. The corners of his lips are clearly lifted into a confident curve, and the muscles around his eyes engage enough to cause slight crow’s feet. His cheeks are noticeably raised, giving his face a warm, energized appearance. All other features remain unchanged – same person, same background, same lighting – resulting in a photorealistic image that conveys a sincere and emotionally present smile.

Low

A close-up portrait of the same male with a soft, reserved smile. The corners of his lips lift just enough to form a subtle curve, without fully engaging the cheeks or eyes. The expression appears calm and pleasant, suggesting contentment or polite friendliness. All other features remain unchanged – same person, same background, same lighting – resulting in a photorealistic image that conveys a quiet, understated sense of happiness.

High

A close-up portrait of the same male with a beaming, exuberant smile. The corners of his lips are widely stretched and slightly parted, revealing his teeth. His cheeks are raised high, causing prominent crow’s feet around his squinting eyes. The muscles around his eyes and mouth are fully engaged, creating an overall radiant and energetic expression. All other features remain unchanged – same person, same background, same lighting – resulting in a photorealistic image that conveys genuine, full-faced joy

For Gemini-2.5-Flash-image-preview(nano-banana)

Multi column

Moderate

Using the provided image, modify only the man’s facial expression to display a sincere, emotionally present smile with moderate intensity. The new expression should be hyper-realistic, with the corners of his lips should be clearly and confidently lifted into a warm curve. The muscles around his eyes must visibly engage enough to cause slight, natural crow’s feet, and his cheeks should be noticeably raised, contributing to an overall energized and pleasant appearance. Absolute precision is required: the subject’s identity, background, lighting, and the overall photorealistic style must be perfectly preserved and unchanged from the original image.

Low

Using the provided image, subtly modify only the man’s facial expression to display a soft, reserved smile, conveying quiet contentment or polite friendliness with low intensity. The new expression should be hyper-realistic, with the corners of his lips should lift just enough to form a gentle, subtle curve, without fully engaging the cheeks or the muscles around the eyes. The overall expression should appear calm, pleasant, and understated, suggesting a serene happiness rather than overt joy. Absolute precision is required: the subject’s identity, background, lighting, and the overall photorealistic style must be perfectly preserved and unchanged from the original image.

High

Using the provided image, intensely modify only the man’s facial expression to display a exuberant smile, radiating genuine, full-faced joy with high intensity. The new expression should be hyper-realistic, with the corners of his lips must be widely stretched and slightly parted, clearly revealing his teeth. His cheeks should be raised high, causing prominent crow’s feet around his joyfully squinting eyes. The muscles around his eyes and mouth are to be fully engaged, creating an overall radiant, energetic, and expressive appearance of pure happiness. Absolute precision is required: the subject’s identity, background, lighting, and the overall photorealistic style must be perfectly preserved and unchanged from the original image.

Multi column

Moderate

Low

High

Multi column

Moderate

Using the provided image, modify only the woman’s facial expression to display a sincere, emotionally present smile with moderate intensity. The new expression should be hyper-realistic, with the corners of her lips should be clearly and confidently lifted into a warm curve. The muscles around her eyes must visibly engage enough to cause slight, natural crow’s feet, and her cheeks should be noticeably raised, contributing to an overall energized and pleasant appearance. Absolute precision is required: the subject’s identity, background, lighting, and the overall photorealistic style must be perfectly preserved and unchanged from the original image.

Low

Using the provided image, subtly modify only the woman’s facial expression to display a soft, reserved smile, conveying quiet contentment or polite friendliness with low intensity. The new expression should be hyper-realistic, with the corners of her lips should lift just enough to form a gentle, subtle curve, without fully engaging the cheeks or the muscles around the eyes. The overall expression should appear calm, pleasant, and understated, suggesting a serene happiness rather than overt joy. Absolute precision is required: the subject’s identity, background, lighting, and the overall photorealistic style must be perfectly preserved and unchanged from the original image.

High

Using the provided image, intensely modify only the woman’s facial expression to display a exuberant smile, radiating genuine, full-faced joy with high intensity. The new expression should be hyper-realistic, with the corners of her lips must be widely stretched and slightly parted, clearly revealing her teeth. Her cheeks should be raised high, causing prominent crow’s feet around her joyfully squinting eyes. The muscles around her eyes and mouth are to be fully engaged, creating an overall radiant, energetic, and expressive appearance of pure happiness. Absolute precision is required: the subject’s identity, background, lighting, and the overall photorealistic style must be perfectly preserved and unchanged from the original image.

Multi column

Moderate

Low

High

Sad

For SDXL(Stable-Diffusion XL)

Multi column

Moderate

A close-up portrait of the same male with a moderate expression of sadness. The inner corners of his eyebrows are raised and knitted slightly, forming a soft wrinkle at the top of his nose. His eyelids droop subtly, and the corners of his lips are turned down with visible tension in the mouth. All other features remain unchanged – same person, same background, same lighting – resulting in a photorealistic image that communicates genuine emotional heaviness.

Low

A close-up portrait of the same male with a hint of melancholy. The inner corners of his eyebrows are slightly raised, giving his gaze a contemplative quality. His lips show a very faint downward turn, not quite forming a frown. The overall expression is gentle, almost neutral, but carries a subtle emotional weight. All other features remain unchanged – same person, same background, same lighting – resulting in a photorealistic image that suggests introspective sadness.

High

A close-up portrait of the same male overwhelmed by sadness. His inner eyebrows are deeply raised and drawn together, forming vertical furrows at the top of his nose. His eyelids droop heavily, and his gaze appears unfocused or distant. The corners of his lips are significantly pulled down, and his mouth is slightly open as if struggling to hold back emotion. There is tension in his cheeks and chin, suggesting an imminent sob. All other features remain unchanged – same person, same background, same lighting – resulting in a photorealistic image of raw, heartfelt sorrow.

For Gemini-2.5-Flash-image-preview(nano-banana)

Multi column

Moderate

Using the provided image, modify only the man’s facial expression to display a genuine sadness, communicating a clear sense of emotional heaviness with moderate intensity. The new expression should be hyper-realistic, with the inner corners of his eyebrows should be raised and knitted slightly, forming a soft, visible wrinkle at the top of his nose. His eyelids must droop subtly, and the corners of his lips should be turned down with noticeable tension around the mouth, suggesting a struggle to maintain composure. Absolute precision is required: the subject’s identity, background, lighting, and the overall photorealistic style must be perfectly preserved and unchanged from the original image.

Low

Using the provided image, subtly modify only the man’s facial expression to display a hint of melancholy or introspective sadness with low intensity. The new expression should be hyper-realistic, with the inner corners of his eyebrows should be just slightly raised, lending his gaze a contemplative, thoughtful quality. His lips should show a very faint, almost imperceptible downward turn, not quite forming a frown but carrying a subtle emotional weight. The overall expression should remain gentle and largely neutral, conveying a quiet, internal sadness. Absolute precision is required: the subject’s identity, background, lighting, and the overall photorealistic style must be perfectly preserved and unchanged from the original image.

High

Using the provided image, intensely modify only the man’s facial expression to depict someone completely overwhelmed by raw, heartfelt sorrow with high intensity. The new expression should be hyper-realistic, with his inner eyebrows must be deeply raised and drawn together, forming sharp, vertical furrows at the top of his nose. His eyelids should droop heavily over his eyes, giving his gaze an unfocused, distant appearance. The corners of his lips are to be significantly pulled down, and his mouth should be slightly agape as if he is struggling to hold back an imminent sob. Visible tension in his cheeks and chin should communicate this powerful, crushing emotion. Absolute precision is required: the subject’s identity, background, lighting, and the overall photorealistic style must be perfectly preserved and unchanged from the original image.

Multi column

Moderate

Low

High

Multi column

Moderate

Using the provided image, modify only the woman’s facial expression to display a genuine sadness, communicating a clear sense of emotional heaviness with moderate intensity. The new expression should be hyper-realistic, with the inner corners of her eyebrows should be raised and knitted slightly, forming a soft, visible wrinkle at the top of her nose. Her eyelids must droop subtly, and the corners of her lips should be turned down with noticeable tension around the mouth, suggesting a struggle to maintain composure. Absolute precision is required: the subject’s identity, background, lighting, and the overall photorealistic style must be perfectly preserved and unchanged from the original image.

Low

Using the provided image, subtly modify only the woman’s facial expression to display a hint of melancholy or introspective sadness with low intensity. The new expression should be hyper-realistic, with the inner corners of her eyebrows should be just slightly raised, lending her gaze a contemplative, thoughtful quality. Her lips should show a very faint, almost imperceptible downward turn, not quite forming a frown but carrying a subtle emotional weight. The overall expression should remain gentle and largely neutral, conveying a quiet, internal sadness. Absolute precision is required: the subject’s identity, background, lighting, and the overall photorealistic style must be perfectly preserved and unchanged from the original image.

High

Using the provided image, intensely modify only the woman’s facial expression to depict someone completely overwhelmed by raw, heartfelt sorrow with high intensity. The new expression should be hyper-realistic, with her inner eyebrows must be deeply raised and drawn together, forming sharp, vertical furrows at the top of her nose. Her eyelids should droop heavily over her eyes, giving her gaze an unfocused, distant appearance. The corners of her lips are to be significantly pulled down, and her mouth should be slightly agape as if she is struggling to hold back an imminent sob. Visible tension in her cheeks and chin should communicate this powerful, crushing emotion. Absolute precision is required: the subject’s identity, background, lighting, and the overall photorealistic style must be perfectly preserved and unchanged from the original image.

Multi column

Moderate

Low

High

Fear

For SDXL(Stable-Diffusion XL)

Multi column

Moderate

A close-up portrait of the same male with a moderately fearful expression. His eyebrows are lifted and drawn together, forming vertical lines between them. His upper eyelids are raised enough to expose more of the whites of his eyes, and the lower eyelids are slightly tensed. His lips are stretched back horizontally with a slight parting of the mouth, suggesting a controlled but noticeable startle response. All other features remain unchanged – same person, same background, same lighting – resulting in a photorealistic image that conveys alertness and unease without exaggeration.

Low

A close-up portrait of the same male with a barely noticeable expression of unease. His eyebrows are raised just slightly, with a soft vertical tension between them. His eyes are fractionally wider than normal, giving his gaze a more alert or watchful quality. His lips are held lightly apart, and his jaw shows the beginning of a drop. All other features remain unchanged – same person, same background, same lighting – resulting in a photorealistic image that captures a restrained sense of apprehension or low-level fear.

High

A close-up portrait of the same male frozen in a moment of intense fear. His eyebrows are raised high and pulled together tightly, forming strong vertical wrinkles above the nose. His upper eyelids are stretched wide, fully exposing the whites of his eyes, and the lower lids are tensed. His mouth is open and jaw dropped, as if gasping or about to scream. The entire face is taut with alarm. All other features remain unchanged – same person, same background, same lighting – resulting in a photorealistic image that conveys a sudden, powerful surge of panic.

For Gemini-2.5-Flash-image-preview(nano-banana)

Multi column

Moderate

Using the provided image, modify only the man’s facial expression to display a fear, characterized by alertness and unease without exaggeration with moderate intensity. His eyebrows should be clearly lifted and drawn together, forming distinct vertical lines between them. His upper eyelids must be raised enough to expose more of the whites of his eyes, while the lower eyelids are slightly tensed. His lips are stretched back horizontally with a slight parting of the mouth, suggesting a controlled but noticeable startle response. Absolute precision is required: the subject’s identity, background, lighting, and the overall photorealistic style must be perfectly preserved and unchanged from the original image.

Low

Using the provided image, subtly modify only the man’s facial expression to display a barely noticeable sense of apprehension or fear with low intensity. His eyebrows should be raised just slightly, with a soft, underlying vertical tension between them. His eyes are to be fractionally wider than normal, giving his gaze a more alert or watchful quality. His lips are held lightly apart, and his jaw shows the very beginning of a subtle drop, suggesting an underlying unease without overt alarm. Absolute precision is required: the subject’s identity, background, lighting, and the overall photorealistic style must be perfectly preserved and unchanged from the original image.

High

Using the provided image, intensely modify only the man’s facial expression to display someone utterly frozen in a moment of intense, overwhelming panic with high intensity. His eyebrows must be raised high and pulled together tightly, forming prominent, strong vertical wrinkles above the nose. His upper eyelids are stretched wide, fully exposing the whites of his eyes, while the lower lids are visibly tensed. His mouth is wide open and jaw dropped, as if gasping for air or about to let out a scream. The entire face should be taut with extreme alarm and a sudden, powerful surge of terror. Absolute precision is required: the subject’s identity, background, lighting, and the overall photorealistic style must be perfectly preserved and unchanged from the original image.

Multi column

Moderate

Low

High

Multi column

Moderate

Using the provided image, modify only the woman’s facial expression to display a fear, characterized by alertness and unease without exaggeration with moderate intensity. Her eyebrows should be clearly lifted and drawn together, forming distinct vertical lines between them. Her upper eyelids must be raised enough to expose more of the whites of her eyes, while the lower eyelids are slightly tensed. Her lips are stretched back horizontally with a slight parting of the mouth, suggesting a controlled but noticeable startle response. Absolute precision is required: the subject’s identity, background, lighting, and the overall photorealistic style must be perfectly preserved and unchanged from the original image.

Low

Using the provided image, subtly modify only the woman’s facial expression to display a barely noticeable sense of apprehension or fear with low intensity. Her eyebrows should be raised just slightly, with a soft, underlying vertical tension between them. Her eyes are to be fractionally wider than normal, giving her gaze a more alert or watchful quality. Her lips are held lightly apart, and her jaw shows the very beginning of a subtle drop, suggesting an underlying unease without overt alarm. Absolute precision is required: the subject’s identity, background, lighting, and the overall photorealistic style must be perfectly preserved and unchanged from the original image.

High

Using the provided image, intensely modify only the woman’s facial expression to display someone utterly frozen in a moment of intense, overwhelming panic with high intensity. Her eyebrows must be raised high and pulled together tightly, forming prominent, strong vertical wrinkles above the nose. Her upper eyelids are stretched wide, fully exposing the whites of her eyes, while the lower lids are visibly tensed. Her mouth is wide open and jaw dropped, as if gasping for air or about to let out a scream. The entire face should be taut with extreme alarm and a sudden, powerful surge of terror. Absolute precision is required: the subject’s identity, background, lighting, and the overall photorealistic style must be perfectly preserved and unchanged from the original image.

Multi column

Moderate

Low

High

Disgust

For Gemini-2.5-Flash-image-preview(nano-banana)

Multi column

High

Using the provided image, intensely modify only the man’s facial expression to display overwhelming disgust and visceral aversion with high intensity. The new expression should be hyper-realistic, with his eyebrows must be pulled down sharply and drawn tightly together, forming prominent, deep vertical creases above the bridge of his nose. His eyes are narrowed, lids lowered in a squinting glare, conveying an unmistakable sense of repulsion. His nostrils are distinctly flared, while the nose wrinkles prominently in the center, heightening the look of revulsion. His lips should be pulled downward and outward with the lip corners depressed, the lower lip drawn down, clearly revealing severe tension in the jaw and chin. Absolute precision is required: the subject’s identity, background, lighting, and the overall photorealistic style must be perfectly preserved and unchanged from the original image.

High

High

Using the provided image, intensely modify only the woman’s facial expression to display overwhelming disgust and visceral aversion with high intensity. The new expression should be hyper-realistic, with her eyebrows must be pulled down sharply and drawn tightly together, forming prominent, deep vertical creases above the bridge of her nose. Her eyes are narrowed, lids lowered in a squinting glare, conveying an unmistakable sense of repulsion. Her nostrils are distinctly flared, while the nose wrinkles prominently in the center, heightening the look of revulsion. Her lips should be pulled downward and outward with the lip corners depressed, the lower lip drawn down, clearly revealing severe tension in the jaw and chin. Absolute precision is required: the subject’s identity, background, lighting, and the overall photorealistic style must be perfectly preserved and unchanged from the original image.

High

Comparison-samples

BM3

Multi column

Happy

Neutral

Angry

Sad

Fear

Digust

KW2

Multi column

Happy

Neutral

Angry

Sad

Fear

Digust

Negative Prompt(For only SDXL)

Negative Prompt(Common)

smile, neutral expression, lowres, blurry, cartoon, painting, overexposed, underexposed, background distortion, identity change, extra artifacts, watermark, text, deformed eyebrows, plastic skin, exaggerated wrinkles, different eye colors, mismatched eye colors, averted gaze, looking away

  • Not used in Gemini(nano-banana)

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