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        "# 🎬 SeedVR2 Video Upscaler\n\n**Professional video/image upscaling with diffusion!**\n\nHigh-quality upscaler using DiT (Diffusion Transformer) for temporal consistency.\n\n---\n\n## 📦 Required Models:\n\n**Auto-download to:** `ComfyUI/models/SEEDVR2/`\n\n### DiT Model (Node 52):\n- **3B models:** Faster, lower VRAM\n- **7B models:** Higher quality\n- **FP16:** Best quality\n- **FP8/GGUF:** Memory optimized\n\n### VAE Model (Node 53):\n- `ema_vae_fp16.safetensors` (recommended)\n\n---\n\n## ⚙️ Main Settings (Node 51):\n\n### resolution (1536)\nTarget resolution for shortest edge.\nMaintains aspect ratio automatically.\n\n### max_resolution (0)\nMaximum resolution for any edge.\n- **0:** No limit\n- **Set value:** Auto-scales down if exceeded\n\n### batch_size (Important!)\n⚠️ **Must follow 4n+1 formula:** 1, 5, 9, 13, 17, 21, 25...\n- **Minimum 5** for temporal consistency\n- **Higher = better quality** but more VRAM\n- Ideally matches shot length\n\n### uniform_batch_size (False)\nPads final batch to match batch_size.\nPrevents artifacts when last batch is smaller.\n\n### temporal_overlap (0)\nOverlapping frames between batches (0-16).\nReduces temporal artifacts.\n\n### prepend_frames (0)\nPrepends reversed frames (0-32).\nReduces artifacts at video start.\n\n---\n\n## 🎨 Quality Settings:\n\n### color_correction\n**'lab'** ⭐ - Perceptual, highest fidelity  \n**'wavelet'** - Frequency-based, natural  \n**'hsv'** - Saturation matching  \n**'none'** - No correction\n\n### Noise Scales (0.0-1.0):\n**input_noise_scale (0.0)**  \nAdds noise to input. Try 0.1-0.3 for high res artifacts.\n\n**latent_noise_scale (0.0)**  \nAdds noise during diffusion. Try 0.05-0.15 if needed.\n\n---\n\n## 💾 Memory Management:\n\n### offload_device\n**'none'** - Fastest, high VRAM  \n**'cpu'** - Slower, saves VRAM  \n**'cuda:X'** - Use another GPU\n\n### If OOM (Out of Memory):\n1. Enable VAE tiling (Nodes 52/53)\n2. Lower resolution or batch_size\n3. Use FP8/GGUF models\n4. Enable offload_device\n\n---\n\n## 📥 Installation:\n\n[SeedVR2](https://github.com/numz/ComfyUI-SeedVR2_VideoUpscaler)\n\nInstall via ComfyUI Manager or:\n```\ncd ComfyUI/custom_nodes\ngit clone https://github.com/numz/ComfyUI-SeedVR2_VideoUpscaler.git\n```\n\n---\n\n**Tip:** Start with default settings, enable debug mode to monitor VRAM!"
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        "# 📐 Resolution Presets\n\n## ⭐ Recommended (Tested)\n**1920×1088** - Wide cinematic\n\n## 🚀 Fast (Both Versions)\n512×512 • 512×768 • 768×768\n768×1024 • 1024×768\n\n## 📱 Standard HD\n832×1216 • 1024×1024 • 1216×832\n\n## 🎬 High Quality\n1024×1536 • 1536×1024\n\n## 🎥 2K Cinematic\n1920×1088 ⭐ • 2048×1152 • 1920×1080\n\n---\n\n💡 **Quick Tips:**\n- **Portrait:** 512×768, 832×1216, 1024×1536\n- **Landscape:** 1216×832, 1920×1088 ⭐, 2048×1152\n- **Square:** 1024×1024\n\n**1920×1088** tested on RTX 4060 8GB!\nWorks perfectly with both FP8 & BF16."
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        "# 🚀 Z-Image-Turbo-AIO\n\n<div align=\"center\">\n\n**⚡ Ultra‑Fast Photorealistic Generation ⚡**\n*Optimized for speed, realism, and low‑VRAM setups*\n\n</div>\n\n---\n\n## ✨ At a glance\n\n> A compact, production‑ready workflow focused on **maximum realism**, **minimal steps**, and **smooth scaling** — ideal for both image and video pipelines.\n\n* 🧠 Diffusion‑optimized presets\n* 🎞️ Integrated **video upscaling** workflow\n* 💾 Runs on **8 GB VRAM**\n* 🗣️ Natural language prompts encouraged\n\n---\n\n## 🔄 Two Versions\n\n<table>\n<tr>\n<th align=\"left\">Variant</th>\n<th align=\"center\">Size</th>\n<th align=\"left\">Focus</th>\n</tr>\n<tr>\n<td>🟢 <strong>BF16‑AIO</strong></td>\n<td align=\"center\">20 GB</td>\n<td>Maximum precision, clean gradients, best for final renders</td>\n</tr>\n<tr>\n<td>🟡 <strong>FP8‑AIO</strong></td>\n<td align=\"center\">10 GB</td>\n<td>High speed & efficiency, ideal for fast iteration</td>\n</tr>\n</table>\n\n> ✅ **Both versions work on GPUs with only 8 GB VRAM** (with recommended settings).\n\n---\n\n## ⚙️ Recommended Settings\n\n```yaml\nsteps: 9\ncfg: 1.0      # ⚠️ do NOT change\nsampler: res_multistep | euler_ancestral\nscheduler: simple | beta\nnegative_prompt: none\n```\n\n### Why these values?\n\n* **Steps = 9** → sweet spot between speed and detail\n* **CFG = 1.0** → critical for correct model behavior\n* **Sampler choices** → stable diffusion with natural noise\n* **No negative prompts** → avoids over‑constraining the model\n\n---\n\n## 🎬 New in this Workflow\n\n### 🌟 SeedVR2 – Video Upscaler\n\n> **Professional diffusion‑based video upscaling** built directly into the workflow.\n\n**Key benefits:**\n\n* 🎥 Temporal consistency across frames\n* 🧩 Detail reconstruction instead of simple interpolation\n* 🎞️ Perfect for anime, cinematic footage & AI‑generated clips\n\n<details>\n<summary><strong>What makes SeedVR2 special?</strong></summary>\n\nUnlike classical upscalers, SeedVR2 uses diffusion guidance to:\n\n* Preserve motion coherence\n* Enhance fine texture detail\n* Avoid flickering and halo artifacts\n\nSee the guide node for optimal presets and workflow placement.\n\n</details>\n\n---\n\n## 📥 Downloads & Online Demo\n\n🔗 **CivitAI**\n[https://civitai.com/models/2173571?modelVersionId=2448013](https://civitai.com/models/2173571?modelVersionId=2448013)\n\n🔗 **HuggingFace**\n[https://huggingface.co/SeeSee21/Z-Image-Turbo-AIO](https://huggingface.co/SeeSee21/Z-Image-Turbo-AIO)\n\n🔗 **Try Online (TensorArt)**\n[https://tensorart.me/de-DE/models/939302608026244936/Z-Image-Turbo-AIO-FP8-FP8](https://tensorart.me/de-DE/models/939302608026244936/Z-Image-Turbo-AIO-FP8-FP8)\n\n---\n\n## 🎯 Required Custom Nodes\n\nThese nodes are required for full compatibility:\n\n* 🔧 [rgthree‑comfy](https://github.com/rgthree/rgthree-comfy)\n* 🖼️ [comfyui_image_metadata_extension](https://github.com/edelvarden/comfyui_image_metadata_extension)\n* 🎬 [SeedVR2 – Video Upscaler](https://github.com/numz/ComfyUI-SeedVR2_VideoUpscaler) ⭐ **NEW**\n\n---\n\n## 🧠 Prompting Tips\n\n> **Natural language prompts work best** — think like describing a scene to a photographer or director.\n\n**Good example:**\n\n```text\nCinematic close‑up portrait, soft rim light, shallow depth of field, realistic skin texture, 50mm lens look\n```\n\n---\n\n<div align=\"center\">\n\n💡 **Fast. Clean. Photoreal.**\n*Built for creators who care about speed and quality.*\n\n</div>\n"
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