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hy3dpaint/utils/multiview_utils.py
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hy3dpaint/utils/multiview_utils.py
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# Hunyuan 3D is licensed under the TENCENT HUNYUAN NON-COMMERCIAL LICENSE AGREEMENT
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# except for the third-party components listed below.
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# Hunyuan 3D does not impose any additional limitations beyond what is outlined
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# in the repsective licenses of these third-party components.
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# Users must comply with all terms and conditions of original licenses of these third-party
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# components and must ensure that the usage of the third party components adheres to
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# all relevant laws and regulations.
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# For avoidance of doubts, Hunyuan 3D means the large language models and
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# their software and algorithms, including trained model weights, parameters (including
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# optimizer states), machine-learning model code, inference-enabling code, training-enabling code,
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# fine-tuning enabling code and other elements of the foregoing made publicly available
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# by Tencent in accordance with TENCENT HUNYUAN COMMUNITY LICENSE AGREEMENT.
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import os
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import torch
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import random
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import numpy as np
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from PIL import Image
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from typing import List
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import huggingface_hub
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from omegaconf import OmegaConf
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from diffusers import DiffusionPipeline
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from diffusers import EulerAncestralDiscreteScheduler, DDIMScheduler, UniPCMultistepScheduler
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class multiviewDiffusionNet:
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def __init__(self, config) -> None:
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self.device = config.device
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cfg_path = config.multiview_cfg_path
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custom_pipeline = config.custom_pipeline
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cfg = OmegaConf.load(cfg_path)
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self.cfg = cfg
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self.mode = self.cfg.model.params.stable_diffusion_config.custom_pipeline[2:]
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model_path = huggingface_hub.snapshot_download(
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repo_id=config.multiview_pretrained_path,
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allow_patterns=["hunyuan3d-paintpbr-v2-1/*"],
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)
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model_path = os.path.join(model_path, "hunyuan3d-paintpbr-v2-1")
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pipeline = DiffusionPipeline.from_pretrained(
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model_path,
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custom_pipeline=custom_pipeline,
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torch_dtype=torch.float16
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)
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pipeline.scheduler = UniPCMultistepScheduler.from_config(pipeline.scheduler.config, timestep_spacing="trailing")
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pipeline.set_progress_bar_config(disable=True)
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pipeline.eval()
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setattr(pipeline, "view_size", cfg.model.params.get("view_size", 320))
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self.pipeline = pipeline.to(self.device)
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if hasattr(self.pipeline.unet, "use_dino") and self.pipeline.unet.use_dino:
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from hunyuanpaintpbr.unet.modules import Dino_v2
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self.dino_v2 = Dino_v2(config.dino_ckpt_path).to(torch.float16)
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self.dino_v2 = self.dino_v2.to(self.device)
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def seed_everything(self, seed):
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random.seed(seed)
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np.random.seed(seed)
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torch.manual_seed(seed)
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os.environ["PL_GLOBAL_SEED"] = str(seed)
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@torch.no_grad()
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def __call__(self, images, conditions, prompt=None, custom_view_size=None, resize_input=False):
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pils = self.forward_one(
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images, conditions, prompt=prompt, custom_view_size=custom_view_size, resize_input=resize_input
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)
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return pils
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def forward_one(self, input_images, control_images, prompt=None, custom_view_size=None, resize_input=False):
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self.seed_everything(0)
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custom_view_size = custom_view_size if custom_view_size is not None else self.pipeline.view_size
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if not isinstance(input_images, List):
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input_images = [input_images]
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if not resize_input:
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input_images = [
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input_image.resize((self.pipeline.view_size, self.pipeline.view_size)) for input_image in input_images
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]
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else:
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input_images = [input_image.resize((custom_view_size, custom_view_size)) for input_image in input_images]
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for i in range(len(control_images)):
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control_images[i] = control_images[i].resize((custom_view_size, custom_view_size))
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if control_images[i].mode == "L":
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control_images[i] = control_images[i].point(lambda x: 255 if x > 1 else 0, mode="1")
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kwargs = dict(generator=torch.Generator(device=self.pipeline.device).manual_seed(0))
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num_view = len(control_images) // 2
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normal_image = [[control_images[i] for i in range(num_view)]]
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position_image = [[control_images[i + num_view] for i in range(num_view)]]
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kwargs["width"] = custom_view_size
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kwargs["height"] = custom_view_size
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kwargs["num_in_batch"] = num_view
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kwargs["images_normal"] = normal_image
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kwargs["images_position"] = position_image
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if hasattr(self.pipeline.unet, "use_dino") and self.pipeline.unet.use_dino:
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dino_hidden_states = self.dino_v2(input_images[0])
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kwargs["dino_hidden_states"] = dino_hidden_states
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sync_condition = None
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infer_steps_dict = {
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"EulerAncestralDiscreteScheduler": 30,
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"UniPCMultistepScheduler": 15,
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"DDIMScheduler": 50,
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"ShiftSNRScheduler": 15,
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}
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mvd_image = self.pipeline(
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input_images[0:1],
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num_inference_steps=infer_steps_dict[self.pipeline.scheduler.__class__.__name__],
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prompt=prompt,
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sync_condition=sync_condition,
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guidance_scale=3.0,
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**kwargs,
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).images
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if "pbr" in self.mode:
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mvd_image = {"albedo": mvd_image[:num_view], "mr": mvd_image[num_view:]}
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# mvd_image = {'albedo':mvd_image[:num_view]}
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else:
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mvd_image = {"hdr": mvd_image}
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return mvd_image
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