@iohk
Tạo hình ảnh chụp trên nền giấy cùng màu sản phẩm
--- name: tao-hinh-anh-san-pham description: Tạo hình ảnh chụp trên nền giấy cùng màu sản phẩm --- # Creative Studio Lighting & Composition Guide (Design_Studio_Creative.md) This manual defines the multi-point studio strobe configurations, multi-tier shadow properties, scene props integration, and editorial canvas layouts for the **Studio Creative Mode** in the Elmich AI application. It is optimized as a core reference for both prompt construction and the AI's cognitive product analysis. --- ## 1. Prerequisite Agent Verification Instruction - **Mandatory Pre-flight Review:** Whenever the AI system receives a request to analyze product geometry, recommend studio stages, or generate/optimize prompts for the Studio Creative style, the system **MUST first read this entire document** (`/Design_Studio_Creative.md`). This aligns prompt engineering and suggestion algorithms with professional commercial advertising studio standards. --- ## 2. High-Performance Studio Creative Philosophy The Studio Creative Mode transforms raw, informal product photos into premium commercial advertising imagery, combining modern minimalism with precise artistic engineering: - **Absolute Preservation:** The principal appliance must remain the crisp, central anchor of the image. Its mechanical details, texture boundaries, material finishes, and brand logos must be preserved on a 1:1 scale with zero distortion. - **Tone-Sur-Tone Seamless Backgrounds:** Elevate the staging using a professional, continuous **seamless paper background roll**. The backdrop color should match the product's hue (tone-sur-tone palette) or use a harmonious, sophisticated contrast color (e.g., warm cream backdrop for a sage-green kettle) to highlight the appliance. - **Accurate Scale Ratio:** Maintain real-world proportional relationships. Props (such as single coffee beans, lemon slices, mint leaves, or ice cubes) must remain naturally proportioned (e.g., a raspberry must not appear larger than a cookware pot handle). --- ## 3. Product Visual Analysis & Cognitive Framework for suggestions When the AI system analyzes an uploaded product image to suggest studio concepts, it must run the following four-step mental evaluation: ### Step 3.1. Object Geometry & Surface Refraction Audit 1. **Analyze Physical Shape & Axis Lines:** - Define the primary geometry: Is the kettle/pot highly cylindrical? Is the hand blender long and narrow? - Cylindrical items require dual rim lights (Kickers) to sculpt the rounded shell edges, preventing the product from looking like a flat 2D sticker. 2. **Determine Surface Finish & Diffuser Needs:** - *High-Gloss Stainless Steel / Chrome:* Highly hostile to direct light. Requires soft, wide diffusion panels (`overhead silk diffusers`) to create smooth, elegant vertical softbox line reflections instead of hot, overexposed circular white flares. - *Matte/Powder-Coated Polymer:* Requires slightly harder key lighting to bring out the subtle matte micro-texture and high tactile quality of the coat. - *Optical Glass / Clear Plastics:* Requires high-contrast dark-field silhouettes (using black flags) to cleanly outline borders against a light seamless background. ### Step 3.2. Tone-On-Tone Monochromatic Calibration To execute a successful tone-sur-tone composition without the product dissolving into the background: - **Determine the Color Coordinate:** Match the seamless paper backdrop color exactly to the product's primary color (e.g., a matte crimson red blender stands on a seamless crimson paper roll). - **Separate Using Contrast Highlights:** The analysis must demand at least two razor-sharp "Rim/Kicker Lights" with pure white daylight profiles. These kickers outline the outer edges with a bright, crisp glowing highlight, separating red product from red paper. - **Backdrop Halo Effect:** Create a soft, radial gradient glow directly behind the product body (Backlight pointing at the paper) to generate a subtle halo, defining depth and spatial airiness. ### Step 3.3. Curating High-End Minimalist Prop Geometry Avoid chaotic domestic props. Elevate the commercial presentation by suggesting structural geometric plinths. **Critical rule: the plinth material must be chosen to match or complement the product's dominant color/tone — do NOT default to stone/marble every time.** Rotate across material families depending on what best suits the product's finish and palette: - **Travertine & Marble Blocks** (for gloss metallic or dark, moody products): Rectangular or square travertine blocks with rough organic pore structures to contrast gloss metallic products. - **Monochromatic Concrete Steps** (for industrial, matte-black or charcoal products): Stepped, matte-painted concrete platforms in matching colors to create tiered displays. - **Floating Ceramic Plates** (for pastel, soft-toned products): Flat, rimless pastel clay saucer plates suspended mid-air to suggest lightness and high-end design. - **Light Oak / Walnut Wood Blocks** (for warm creams, sage greens, earthy tones): Smooth, softly grained wood risers that echo a natural, tone-on-tone warmth. - **Brushed Metal Disc or Cylinder** (for tech-leaning, chrome, or silver products): A slim, satin-finish metal riser that continues the product's own material language instead of contrasting it. - **Frosted Acrylic / Lucite Riser** (for bright, playful, or translucent-accented products): A semi-transparent block that lets soft light glow through the base, reading as modern and light. - **Draped Linen or Velvet-Covered Pedestal** (for premium, soft-touch products): Fabric pulled taut over a simple riser shape, adding tactile warmth without visual clutter. Pick ONE family per concept based on the product's tone from Step 3.2 — never repeat the same plinth material across multiple concepts for the same product. ### Step 3.4. Ad-Copy Spatial Mapping (Composition Negative Space) - Guarantee that 30% to 40% of the flat seamless paper background remains completely vacant and desaturated for logo placements, product claims, or secondary copy lines. --- ## 4. Advanced Multi-Point Studio Lighting Infrastructure In any generated studio scene, prompts must specify a high-end commercial strobe setup to define object forms and material volumes: - **1 Main/Key Light (Staging Main Light):** The primary lighting source that defines the overall shape and main shadow directions. Placed at a 45-degree angle. (Soft and diffused for clean concepts; hard and focused for high-contrast, dramatic concepts). - **1 Overhead Top Light (Nose/Lid Accentuation):** Positioned directly above the product to illuminate kettle lids, pot handles, control buttons, and rims, adding essential vertical depth. - **1 Fill Light (Shadow Reduction):** A highly diffused secondary light or reflector bounce positioned opposite the Key Light to soften dark cavities, ensuring 100% of the product's textures are readable in shadow areas. - **2 Rim/Kicker Lights (Silhouette Edge Profiling):** Placed behind the product on both sides, shooting forward to create two bright, sharp, crisp glowing edges along the product's boundaries. This is extremely critical for isolating cylindrical glass, plastic, or metallic appliances from the background. - **1 Backlight (Seamless Backdrop Halo):** An optional strobe directed at the seamless background paper behind the product to produce a subtle, beautiful gradient glow (Halo Effect), adding three-dimensional space to the render. --- ## 5. High-Fidelity Multi-Tier Shadow Structure To avoid artificial-looking 3D cutouts, prompts must establish three separate layers of physical shadow interaction: 1. **Ambient Occlusion/Contact Shadow:** - A thin, dark, sharp shadow directly beneath the cookware base or appliance legs where they touch the seamless background paper. This anchors the product to the floor. 2. **Key Shadow Gradient:** - The primary silhouette shadow cast in the opposite direction of the Key Light, utilizing a soft-focus feathering effect (`gradient falloff`) that diffuses naturally as it extends. 3. **Internal & Extrusion Shadows (Handle/Knob Occlusion):** - Precise shadows cast by pot handles, knobs, or lids onto the product's own body. These shadows must curve smoothly along the appliance's surface with clean, feathered edges. --- ## 6. Professional Studio Props Integration When adding kitchen props (such as cutting boards, fresh herbs, splash effects, or marble stands), the prompt must calculate physical alignment: - **Focal Plane Depth (DOF):** Props positioned in the close-up foreground or far background should have a subtle out-of-focus blur (creamy bokeh) to guide the viewer's eye back to the sharp principal product. - **Unified Light Coordinates:** All props and ingredients must share the exact same lighting direction and shadow falloff angles established by the multi-point strobe system. --- ## 7. Defect Prevention Checklist (Negative Guidelines) - **Product Shape Mutation:** Never warp, stretch, or alter the physical design, dimensions, or aspect ratios of the original appliance or the Elmich logo. - **Environmental Clutter:** Only use clean, seamless studio paper backdrops or stone plinths. Do not insert chaotic outdoor horizons, skies, trees, or messy domestic backgrounds. - **Conflicting Shadows (Cross-Shadowing):** Prevent multiple sharp shadows stretching in opposite directions, which ruins lighting logic. - **Flat Glass or Metallic Glare:** Do not cover the product's textures in solid white overexposed reflections. Highlights should be elegant and structured. - **Soft Edge Bleeds (Blurry Silhouettes):** The outer metal or plastic silhouette edges of the main product must remain crisp and sharp against the background, even when depth-of-field blur is applied to surrounding props. - **Digital Noise / Grain:** Ensure smooth, grain-free renders with perfect gradients on the backdrop paper, avoiding digital compression artifacts.
