美术生素描

{ "style": "Hyper-realistic 3D graphite pencil sketch, award-winning professional art, cinematic aesthetic", "output": { "color_profile": "sRGB", "render_intent": "photorealistic", "resolution": "8K/4K", "quality_level": "Highest quality (impeccable attention to detail, sharp focus, clear edges, exquisite details)" }, "core_requirement": "The facial sketch must be perfectly identical to the reference photo on the iPhone; the entire scene has perfect composition, rich details, depth of field, and vibrant natural colors", "main_subject": { "type": "3D graphite pencil sketch of a face", "subject_details": { "identity": "Chinese idol girl (female)", "sketch_features": { "facial_accuracy": "100% identical to the reference photo on the iPhone (facial structure, facial features, expression, contour details)", "drawing_technique": "Graphite pencil sketch, delicate shading, layered texture, realistic pencil stroke details (light and heavy strokes corresponding to facial contours)", "paper_medium": "Textured white notebook paper (with clear paper grain, subtle natural imperfections: slight creases, minimal paper dust, subtle discoloration at edges)" } } }, "supporting_subject": { "type": "iPhone (placed next to the notebook)", "device_details": { "screen_content": "Clear display of the original portrait reference photo (the same Chinese idol girl's face as the sketch)", "visual_effects": [ "Natural screen reflections (subtle ambient light reflections)", "Soft sunlight reflections on the glass screen (diffused, non-glare)", "Realistic iPhone body details (frame texture, button details, slight shadow cast on the notebook paper)" ] }, "placement": "Next to the notebook, at a moderate angle (ensuring the screen content is clearly visible and aligned with the sketch for direct comparison)" }, "environment": { "location": "Flat surface (e.g., wooden desk, subtle background blur to enhance depth of field)", "background": "Minimalist, soft-toned background (to highlight the notebook and iPhone, no distracting elements)", "lighting": { "type": "Cinematic lighting", "source": "Soft natural sunlight (main light) + subtle ambient light", "effect": "Evenly illuminates the sketch and iPhone, enhances the texture of the notebook paper and pencil strokes, creates natural depth of field, no harsh shadows", "white_balance_K": 5500 } }, "camera": { "system": "Professional camera", "sensor": "Full-frame", "lens": { "type": "Prime lens", "focal_length_eq_mm": 50, "distortion": "Minimal" }, "exposure": { "iso": 100, "aperture_f": 2.8, "shutter_s": 1/250, "metering": "Matrix metering (ensures balanced exposure for sketch, notebook, and iPhone)" }, "focus": { "target": "Dual focus (the facial sketch and the iPhone screen reference photo, both in sharp focus)", "depth_of_field": "Moderate (background slightly blurred to emphasize the main and supporting subjects, enhance spatial layering)" }, "framing": { "orientation": "Horizontal/Vertical (optional, based on optimal composition)", "crop": "Perfect composition (includes the entire notebook page with the sketch, the iPhone, and appropriate surrounding space; balanced proportion, no cut-off of key elements)", "composition": "Centered main subject (sketch) with supporting subject (iPhone) placed harmoniously beside it, ensuring visual coherence and direct comparison between sketch and reference photo" } }, "color_grade": { "look": "Natural, realistic tone (dominated by graphite gray and white paper, with subtle warm tones from sunlight)", "contrast": "Medium-High (enhances the layering of pencil sketch shading, the texture of notebook paper, and the clarity of iPhone screen content)", "saturation": "Vibrant natural colors (accurate reproduction of graphite gray levels, white paper texture, and the natural skin tone/colors in the iPhone reference photo)" }, "quality_targets": [ "Hyper-realistic 3D pencil stroke details (individual stroke texture, shading gradient, pencil smudge effect)", "Perfectly identical facial features between the sketch and the iPhone reference photo", "Clear texture of notebook paper (natural grain, subtle imperfections)", "Realistic iPhone details (screen display clarity, glass reflections, body texture)", "Cinematic lighting effect (natural light distribution, soft shadows, depth of field)", "8K/4K-level sharpness (clear edges, no blurriness, rich detail preservation)" ], "negative_prompt": [ "Facial features of the sketch not identical to the iPhone reference photo", "Blurred focus, unclear edges, lack of detail", "Unnatural pencil sketch texture (no 3D effect, flat strokes)", "Noisy or distorted notebook paper texture (excessive imperfections, unnatural creases)", "Unclear iPhone screen display (blurred reference photo, unrecognizable content)", "Harsh lighting, glare on iPhone screen, uneven shadows", "Low resolution, compression artifacts, color distortion", "Distracting background elements, text/watermarks", "Deformed iPhone body or notebook shape" } }