工作流 /
视频 /
LTX-2 边缘检测图生视频
LTX-2 边缘检测图生视频
LTX-2 Canny to Video
使用LTX-2通过边缘检测（Canny）引导生成高质量视频，音视频同步，边缘控制精准，结构一致性好。
视频
19 个节点 2 个输入 14 次使用 ComfyUI ≥ 0.22.0 ComfyUI 199 KB
需要的权重
这个工作流引用了 8 个权重文件，其中 6 个能在本站模型库里找到。
gemma_3_12B_it_fp4_mixed.safetensors
在模型库查看
ltx-2-19b-dev-fp8.safetensors
在模型库查看
ltx-2-19b-distilled-lora-384.safetensors
在模型库查看
ltx-2-19b-distilled.safetensors
在模型库查看
ltx-2-19b-ic-lora-canny-control.safetensors
模型库暂未收录
ltx-2-spatial-upscaler-x2-1.0.safetensors
在模型库查看
ltx-av-step-1751000_vocoder_24K.safetensors
模型库暂未收录
model.safetensors
在模型库查看
节点构成
PrimitiveInt
× 3
ResizeImageMaskNode
× 2
MarkdownNote
× 2
SaveVideo
× 2
Canny
× 1
GetVideoComponents
× 1
ImageFromBatch
× 1
ImageScaleBy
× 1
LoadVideo
× 1
LoadImage
× 1
PreviewImage
× 1
PrimitiveBoolean
× 1
68857357-cbc2-4c3a-a786-c3a58d43f9b1
× 1
4ba16137-671b-4a0a-9b09-fff1ba6ac7d8
× 1
官方标注的模型
LTX-2Lightricks
工作流 JSON
和上面「下载工作流 JSON」是同一份文件。
1{
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77 }
78 ],
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87 {
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92 {
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97 {
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283 }
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291 "tabXOffset": 10,
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293 "secondTabText": "Send Back",
294 "secondTabOffset": 80,
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296 },
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319 "order": 0,
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322 "outputs": [
323 {
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325 "type": "INT",
326 "links": [
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328 384
329 ]
330 }
331 ],
332 "title": "Width",
333 "properties": {
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335 "cnr_id": "comfy-core",
336 "ver": "0.7.0",
337 "enableTabs": false,
338 "tabWidth": 65,
339 "tabXOffset": 10,
340 "hasSecondTab": false,
341 "secondTabText": "Send Back",
342 "secondTabOffset": 80,
343 "secondTabWidth": 65
344 },
345 "widgets_values": [
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369 }
370 ],
371 "outputs": [
372 {
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374 "type": "IMAGE",
375 "links": [
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377 ]
378 }
379 ],
380 "properties": {
381 "Node name for S&R": "ImageScaleBy",
382 "cnr_id": "comfy-core",
383 "ver": "0.5.1",
384 "enableTabs": false,
385 "tabWidth": 65,
386 "tabXOffset": 10,
387 "hasSecondTab": false,
388 "secondTabText": "Send Back",
389 "secondTabOffset": 80,
390 "secondTabWidth": 65
391 },
392 "widgets_values": [
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396 },
397 {
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412 "mode": 0,
413 "inputs": [],
414 "outputs": [],
415 "title": "About Size",
416 "properties": [],
417 "widgets_values": [
418 "Width & height settings must be divisible by 64.\nFrame count must be divisible by 8 + 1. \n\n\nRunning with invalid parameters **will not cause errors**. Instead, the flow will silently choose the closest valid parameters. \n\nBy default, we are using 720p resolution. You can try 1920*1088 if you have a powerful GPU."
419 ],
420 "color": "#222",
421 "bgcolor": "#000"
422 },
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445 }
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449 "cnr_id": "comfy-core",
450 "ver": "0.5.1",
451 "enableTabs": false,
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453 "tabXOffset": 10,
454 "hasSecondTab": false,
455 "secondTabText": "Send Back",
456 "secondTabOffset": 80,
457 "secondTabWidth": 65
458 },
459 "widgets_values": [
460 "squirrel_in_flower_garden.mp4",
461 "image"
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476 "order": 3,
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478 "inputs": [],
479 "outputs": [
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483 "links": [
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485 ]
486 },
487 {
488 "name": "MASK",
489 "type": "MASK",
490 "links": null
491 }
492 ],
493 "properties": {
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495 "cnr_id": "comfy-core",
496 "ver": "0.7.0",
497 "enableTabs": false,
498 "tabWidth": 65,
499 "tabXOffset": 10,
500 "hasSecondTab": false,
501 "secondTabText": "Send Back",
502 "secondTabOffset": 80,
503 "secondTabWidth": 65
504 },
505 "widgets_values": [
506 "ltx_2_canny_1st_frame.png",
507 "image"
508 ]
509 },
510 {
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530 ],
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534 "type": "IMAGE",
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536 }
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544 "tabXOffset": 10,
545 "hasSecondTab": false,
546 "secondTabText": "Send Back",
547 "secondTabOffset": 80,
548 "secondTabWidth": 65
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550 "widgets_values": []
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575 "outputs": [
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578 "type": "VIDEO",
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581 ],
582 "properties": {
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585 "Node name for S&R": "SaveVideo",
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587 "tabWidth": 65,
588 "tabXOffset": 10,
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590 "secondTabText": "Send Back",
591 "secondTabOffset": 80,
592 "secondTabWidth": 65
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617 "outputs": [
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620 "type": "INT",
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624 }
625 ],
626 "title": "Frame Count",
627 "properties": {
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662 "- Huggingface: [Lightricks/LTX-2](https://huggingface.co/Lightricks/LTX-2)\n- Github: [LTX-2](https://github.com/Lightricks/LTX-2)\n\n## LTX-2 Prompting Tips\n\n1. **Core Actions**: Describe events and actions as they occur over time \n2. **Visual Details**: Describe all visual details you want to appear in the video \n3. **Audio**: Describe sounds and dialogue needed for the scene\n\n## Report LTX-2 Issues\nTo report any issues when running this workflow, [go to GitHub](https://github.com/Lightricks/ComfyUI-LTXVideo/issues)\n\n## Model links (for local users)\n\n- [Hugging Face:Comfy-Org/ltx-2](https://huggingface.co/Comfy-Org/ltx-2)\n\n**ModelScope mirrors** (alternative repo location)\n\n- [ModelScope:Comfy-Org/ltx-2](https://modelscope.cn/models/Comfy-Org/ltx-2)\n\n**checkpoints**\n\n- [ltx-2-19b-dev.safetensors](https://huggingface.co/Lightricks/LTX-2/resolve/main/ltx-2-19b-dev.safetensors) (40.31 GB)\n- [ltx-2-19b-dev-fp8.safetensors](https://huggingface.co/Lightricks/LTX-2/resolve/main/ltx-2-19b-dev-fp8.safetensors) (25.22 GB)\n- [ltx-2-19b-distilled.safetensors](https://huggingface.co/Lightricks/LTX-2/resolve/main/ltx-2-19b-distilled.safetensors) (40.31 GB)\n- [ltx-2-19b-distilled-fp8.safetensors](https://huggingface.co/Lightricks/LTX-2/resolve/main/ltx-2-19b-distilled-fp8.safetensors) (25.22 GB)\n\n**text_encoders**\n\n- [gemma_3_12B_it_fp4_mixed.safetensors](https://huggingface.co/Comfy-Org/ltx-2/resolve/main/split_files/text_encoders/gemma_3_12B_it_fp4_mixed.safetensors) (8.8 GB)\n\n**loras**\n\n- [ltx-2-19b-distilled-lora-384.safetensors](https://huggingface.co/Lightricks/LTX-2/resolve/main/ltx-2-19b-distilled-lora-384.safetensors) (7.15 GB)\n- [ltx-2-19b-ic-lora-canny-control.safetensors](https://huggingface.co/Lightricks/LTX-2-19b-IC-LoRA-Canny-Control/resolve/main/ltx-2-19b-ic-lora-canny-control.safetensors) (624.1 MB)\n\n**latent_upscale_models**\n\n- [ltx-2-spatial-upscaler-x2-1.0.safetensors](https://huggingface.co/Lightricks/LTX-2/resolve/main/ltx-2-spatial-upscaler-x2-1.0.safetensors) (949.6 MB)\n\nModel Storage Location\n\n```\n📂 ComfyUI/\n├── 📂 models/\n│ ├── 📂 checkpoints/\n│ │ ├── ltx-2-19b-dev.safetensors\n│ │ ├── ltx-2-19b-dev-fp8.safetensors\n│ │ ├── ltx-2-19b-distilled.safetensors\n│ │ └── ltx-2-19b-distilled-fp8.safetensors\n│ ├── 📂 text_encoders/\n│ │ └── gemma_3_12B_it_fp4_mixed.safetensors\n│ ├── 📂 loras/\n│ │ ├── ltx-2-19b-distilled-lora-384.safetensors\n│ │ └── ltx-2-19b-ic-lora-canny-control.safetensors\n│ └── 📂 latent_upscale_models/\n│ └── ltx-2-spatial-upscaler-x2-1.0.safetensors\n```\n\n## Report issue\n\nNote: please update ComfyUI first ([guide](https://docs.comfy.org/installation/update_comfyui)) and prepare required models. Desktop/Cloud will be updated after the stable release; nightly-supported models may not be included yet, please wait for the next stable release.\n\n- Cannot run / runtime errors: [ComfyUI/issues](https://github.com/Comfy-Org/ComfyUI/issues)\n- UI / frontend issues: [ComfyUI_frontend/issues](https://github.com/Comfy-Org/ComfyUI_frontend/issues)\n- Workflow issues: [workflow_templates/issues](https://github.com/Comfy-Org/workflow_templates/issues)\n"
663 ],
664 "color": "#222",
665 "bgcolor": "#000"
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681 "order": 6,
682 "mode": 0,
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684 "outputs": [
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692 }
693 ],
694 "title": "Height",
695 "properties": {
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698 "ver": "0.7.0",
699 "enableTabs": false,
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702 "hasSecondTab": false,
703 "secondTabText": "Send Back",
704 "secondTabOffset": 80,
705 "secondTabWidth": 65
706 },
707 "widgets_values": [
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712 {
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726 "order": 18,
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728 "inputs": [
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730 "name": "video",
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732 "link": 375
733 }
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735 "outputs": [
736 {
737 "name": "video",
738 "type": "VIDEO",
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740 }
741 ],
742 "properties": {
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744 "ver": "0.5.1",
745 "Node name for S&R": "SaveVideo",
746 "enableTabs": false,
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748 "tabXOffset": 10,
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750 "secondTabText": "Send Back",
751 "secondTabOffset": 80,
752 "secondTabWidth": 65
753 },
754 "widgets_values": [
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756 "auto",
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778 "type": "BOOLEAN",
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781 389
782 ]
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784 ],
785 "title": "Ignore First Frame？",
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800 ]
801 },
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