English Version: A Comprehensive Guide to Visual Design Models 1. Introduction to Visual Design Models Visual design models, such as Stable Diffusion and MidJourney, are deep learning technologies that convert natural language into high-quality images. Trained on massive datasets of image-text pairs, these models learn the complex relationships between textual descriptions and visual elements. By inputting a descriptive phrase, users can guide the model to generate unique visuals from random noise through a process called reverse diffusion . These models act as a "visual brain" that understands stylistic keywords (e.g., "minimalist tech," "cyberpunk") and compositional instructions (e.g., "subject centered," "soft volumetric lighting") . Unlike traditional design tools, their core advantage lies in high creative freedom and rapid iteration, allowing creators to explore vastly different visual styles within seconds. 2. Key Application Scenarios 1. E-commerce and Advertising Marketing Models can quickly generate product thumbnails, contextual marketing images, and creative ad assets. For instance, sellers can generate a smartwatch in various settings without a physical photoshoot. Advanced models can even render accurate, editable text within posters . 2. Brand Identity and UI/UX Design Maintaining consistency is key in branding. With multi-reference image features, models can lock in brand-specific color palettes (hex codes), material textures, and lighting. They can transform simple wireframes into high-fidelity UI mockups that adhere to specific design systems like spacing and corner radius guidelines . 3. Industrial Design and Concept Art For ideation, designers can use specific prompts like "soft plastic texture" or "a toy frog inside a clear acrylic display case" to generate detailed concept renders with consistent style, providing rich inspiration for subsequent 3D modeling . 3. Prompt Engineering: Bilingual Examples An effective prompt usually includes five dimensions: Subject, Environment, Style, Composition, and Technical Parameters . Scenario A: E-commerce Product Shot English Prompt: A high-quality product photo of a modern smartwatch, silver metal case, black genuine leather strap. Placed on a light wooden table, with soft natural bokeh lighting in the background. Photographic style, 8k resolution, sharp details, macro shot. Negative prompt: blurry, low resolution, text, watermark, messy background.