finetrainers/3dgs-v0

finetrainers
Texto a video

Fine-tune experimental de THUDM/CogVideoX-5b para generación de video texto-a-video con un efecto visual “3D_dissolve”: objetos o personajes con apariencia 3D rodeados por chispas rojas o partículas ardientes que se disuelven sobre fondos oscuros. Fue entrenado con el dataset finetrainers/3dgs-dissolve y se advierte que su generalización es limitada.

Como usar

Instalación y uso básico con Diffusers:

pip install -U diffusers transformers accelerate

import torch
from diffusers import DiffusionPipeline

# switch to "mps" for apple devices
pipe = DiffusionPipeline.from_pretrained("finetrainers/3dgs-v0", dtype=torch.bfloat16, device_map="cuda")

prompt = "3D_dissolve A small tiger character in a colorful winter outfit appears in a 3D appearance, surrounded by a dynamic burst of red sparks. The sparks swirl around the penguin, creating a dramatic effect as they gradually evaporate into a burst of red sparks, leaving behind a stark black background."
image = pipe(prompt).images[0]

Ejemplo de inferencia para generar video:

from diffusers import CogVideoXTransformer3DModel, DiffusionPipeline
from diffusers.utils import export_to_video
import torch

transformer = CogVideoXTransformer3DModel.from_pretrained(
    "finetrainers/3dgs-v0", torch_dtype=torch.bfloat16
)

pipeline = DiffusionPipeline.from_pretrained(
    "THUDM/CogVideoX-5b", transformer=transformer, torch_dtype=torch.bfloat16
).to("cuda")

prompt = """
3D_dissolve In a 3D appearance, a bookshelf filled with books is surrounded by a burst of red sparks, creating a dramatic and explosive effect against a black background.
"""
negative_prompt = "inconsistent motion, blurry motion, worse quality, degenerate outputs, deformed outputs"

video = pipeline(
    prompt=prompt,
    negative_prompt=negative_prompt,
    num_frames=81,
    height=512,
    width=768,
    num_inference_steps=50
).frames[0]

export_to_video(video, "output.mp4", fps=25)

Uso de la LoRA extraída:

from diffusers import DiffusionPipeline
from diffusers.utils import export_to_video
import torch

pipeline = DiffusionPipeline.from_pretrained("THUDM/CogVideoX-5b", torch_dtype=torch.bfloat16).to("cuda")
pipeline.load_lora_weights("/fsx/sayak/finetrainers/cogvideox-crush/extracted_crush_smol_lora_64.safetensors", adapter_name="crush")
pipeline.load_lora_weights("/fsx/sayak/finetrainers/cogvideox-3dgs/extracted_3dgs_lora_64.safetensors", adapter_name="3dgs")

prompts = [
    """In a 3D appearance, a small bicycle is seen surrounded by a burst of fiery sparks, creating a dramatic and intense visual effect against the dark background. The video showcases a dynamic explosion of fiery particles in a 3D appearance, with sparks and embers scattering across the screen against a stark black background.""",
    """In a 3D appearance, a bookshelf filled with books is surrounded by a burst of red sparks, creating a dramatic and explosive effect against a black background.""",
]

negative_prompt = "inconsistent motion, blurry motion, worse quality, degenerate outputs, deformed outputs, bad physique"
id_token = "3D_dissolve"

for i, prompt in enumerate(prompts):
    video = pipeline(
        prompt=f"{id_token} {prompt}",
        negative_prompt=negative_prompt,
        num_frames=81,
        height=512,
        width=768,
        num_inference_steps=50,
        generator=torch.manual_seed(0)
    ).frames[0]
    export_to_video(video, f"output_{i}.mp4", fps=25)

Funcionalidades

Modelo de texto a video basado en CogVideoX-5b.
Especializado en escenas con apariencia 3D, chispas rojas, explosiones de partículas y efecto de disolución.
Incluye checkpoint completo y una variante LoRA de rango 64 para emular el mismo efecto.
Compatible con Diffusers y pesos Safetensors.
Usa el token de activación `3D_dissolve` en los prompts.
Checkpoint experimental con baja generalización conocida.

Casos de uso

Generar clips cortos con objetos 3D que se disuelven en ráfagas de chispas rojas.
Crear efectos visuales tipo Pika inspirados en transformación, disolución y partículas sobre fondo oscuro.
Probar fine-tunes de CogVideoX para estilos de video específicos.
Usar una LoRA para aplicar el efecto 3D_dissolve sobre CogVideoX-5b sin cargar el checkpoint completo.