Stable Diffusion XL - 先进的开源 AI 模型

Stable Diffusion XL（SDXL）是由 Stability AI 开发的一种尖端图像生成模型。SDXL 专为商业用途设计，较此前版本具有显著的速度、质量和细节提升。

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Stable Diffusion XL 生成的图像

探索由 Stable Diffusion XL 生成的一系列精美视觉效果，展现其生成高质量及细致图像的能力。

A hyper-realistic, emotionally charged portrait of a woman inspired by Ophelia, embodying grace and elegance with a touch of melancholy. Her image is enveloped in soft, diffused lighting, casting gentle shadows that create a dreamlike, almost ethereal atmosphere. She is dressed in flowing, delicate fabrics in shades of purple and violet, symbolizing the beauty and subtle sorrow of the purple violet flower. Her long hair cascades softly around her, partially wet, as if she has emerged from water, catching the light in subtle highlights. Her gaze is distant, thoughtful, with a faint, melancholic expression that hints at unspoken emotions and depth. The background is blurred, awash in tones of lavender and deep violet, evoking a sense of mist and mystery, as if she is surrounded by a cloud of mood. Small purple violet flowers float gently around her, some tangled in her hair, adding a touch of symbolism and fragile beauty to the composition. The color palette is soft yet rich, blending hues of purple, lavender, and gentle blues, creating a cohesive atmosphere that captures both the grace and tragedy of Ophelia. The overall effect is hauntingly beautiful, with a perfect balance of realism and fantasy, drawing viewers into her world and the emotions she silently conveys.
Realistic/Portrait
Sunlit Elegance: A Garden Muse in Bloom
In a serene Miyazaki-inspired landscape, a young girl sits peacefully by a shimmering lake, her hair gently swaying in the soft breeze. Sunlight dances on the water's surface, creating a mosaic of glimmers that reflect her wonder. Nearby, delicate cherry blossoms flutter down, swirling around her as she gazes thoughtfully at the horizon. The tranquil ripples of the lake echo her quiet contemplation, while distant mountains loom majestically, cloaked in mist. Each subtle movement in the scene breathes life into this enchanting moment, capturing the essence of nature's beauty and the girl's introspective spirit.
Anime
Saitama
A hyper-detailed, cinematic portrait of Tifa Lockhart from Final Fantasy VII, standing in the neon-lit streets of Midgar. Her long, dark hair flows behind her, with warm light reflecting off her determined brown eyes. She wears her iconic white crop top, black mini-skirt, and red boots, with fighting gloves on her hands. The bustling cyberpunk cityscape looms in the background, dominated by the massive Shinra Building. Mako reactors glow ominously in the distance, casting an eerie green tinge over the scene. Tifa stands in a dynamic fighting pose, ready for action. The image captures the blend of fantasy and technology typical of the Final Fantasy series, with a gritty, industrial aesthetic. Photorealistic rendering, dramatic lighting with strong contrasts between neon lights and deep shadows. The atmosphere is tense and foreboding, hinting at the epic struggle against Shinra and Sephiroth. Highly detailed textures, from the worn cobblestones to the intricate mechanical elements of the city.
Game/3D
Arthur Morgan: Frontier Fury
Create a stunning image of the Acropolis of Athens, showcasing the Parthenon with its iconic Doric columns, set against a clear blue sky. Highlight the warm, golden hues of the sun casting soft shadows on the ancient marble, revealing the intricate details of the friezes and metopes. Surrounding the Acropolis, depict the rugged hills of Athens, dotted with lush greenery and wildflowers, contrasting with the stark white of the marble. Capture the scene at sunset, when the sky transitions to vibrant oranges and purples, enhancing the historical grandeur of the site. Incorporate the distant view of modern Athens, blending the ancient and contemporary. Use a high dynamic range photography style to emphasize the textures of the stone and the play of light, evoking the cultural significance of this UNESCO World Heritage site as a symbol of classical architecture and democracy.
Landscape
Château de Chenonceau

Stable Diffusion XL 的主要特点

Stable Diffusion XL 将文本和图像输入转化为惊艳的高分辨率视觉效果，并提升细节和质量。

  • 双阶段模型框架

    SDXL 采用双阶段扩散流程，基础模型生成初始图像，强化模型提升图像细节和逼真度。

  • 扩展的 U-Net 参数

    SDXL 的 U-Net 参数大幅增加，加入更多的自注意力和交叉注意力机制，提高特征提取能力和整体图像质量。

  • 双文本编码器

    采用双文本编码器，SDXL 能更准确理解并匹配文本提示，生成语境相关的图像。

  • 分辨率灵活性

    SDXL 在 U-Net 中引入图像尺寸调节条件，可生成多种分辨率的图像，同时从小尺寸图像到大尺寸图像保持细节与质量。

  • 高级训练技术

    SDXL 使用多尺度训练以减少裁剪相关特征丢失，从而提升泛化能力，并确保各种尺寸图像的质量一致性。

  • 高质量图像输出

    SDXL 可生成色彩丰富、高分辨率的图像，分辨率高达 1024x1024 像素，大幅提升对比度、光影和细节处理，以获得更真实、视觉上更吸引人的效果。

如何使用 Stable Diffusion XL 生成器

遵循以下分步指南，轻松通过 Stable Diffusion XL 创建高质量图像。

步骤 1：输入您的文本提示 （优化提示以获得更佳效果）

步骤 2：选择 Stable Diffusion XL 模型

步骤 3：调整图像纵横比和参数

步骤 4：点击生成按钮，等待几秒便可看到您的图像

Stable Diffusion XL 常见问题解答

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