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CavinHuang-comfyui-nodes-docs/docs/Inference_Core_MeshGraphormer-DepthMapPreprocessor.md
2024-07-04 11:34:32 +08:00

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Documentation

此节点旨在对图像进行预处理,以便使用MeshGraphormer模型生成深度图和进行手部姿势估计。它负责将输入图像转换为适合模型的格式,执行推理以生成深度图和蒙版,并处理这些输出以便在手部细化任务中进一步使用。

Input types

Required

  • image
    • 需要处理以生成深度图和蒙版的输入图像或图像批次。它在节点执行过程中起着关键作用,直接影响生成的深度图和蒙版的质量和准确性。
    • Comfy dtype: IMAGE
    • Python dtype: torch.Tensor

Optional

  • mask_bbox_padding
    • 决定检测到的边界框周围的填充量,影响生成的蒙版的大小和覆盖范围。
    • Comfy dtype: INT
    • Python dtype: int
  • resolution
    • 指定执行深度图和蒙版检测的分辨率,影响输出的细节水平。
    • Comfy dtype: INT
    • Python dtype: int
  • mask_type
    • 定义蒙版生成策略,可以基于深度值或紧凑边界框,影响蒙版的形状和覆盖范围。
    • Comfy dtype: COMBO[STRING]
    • Python dtype: str
  • mask_expand
    • 控制蒙版超出其原始边界的扩展,有助于确保深度图中手部区域的完整覆盖。
    • Comfy dtype: INT
    • Python dtype: int
  • rand_seed
    • 随机数生成的种子值,确保蒙版生成过程的可重复性。
    • Comfy dtype: INT
    • Python dtype: int

Output types

  • IMAGE
    • 深度图和蒙版生成后的处理图像,可用于进一步分析或可视化。
    • Comfy dtype: IMAGE
    • Python dtype: torch.Tensor
  • INPAINTING_MASK
    • 指示需要进行修复或进一步处理的区域的蒙版,通常突出显示感兴趣的区域,如手部。
    • Comfy dtype: MASK
    • Python dtype: torch.Tensor

Usage tips

  • Infra type: GPU
  • Common nodes: unknown

Source code

class Mesh_Graphormer_Depth_Map_Preprocessor:
    @classmethod
    def INPUT_TYPES(s):
        types = create_node_input_types(mask_bbox_padding=("INT", {"default": 30, "min": 0, "max": 100}))
        types["optional"].update(
            {
                "mask_type": (["based_on_depth", "tight_bboxes", "original"], {"default": "based_on_depth"}),
                "mask_expand": ("INT", {"default": 5, "min": -MAX_RESOLUTION, "max": MAX_RESOLUTION, "step": 1}),
                "rand_seed": ("INT", {"default": 88, "min": 0, "max": 0xffffffffffffffff})
            }
        )
        return types

    RETURN_TYPES = ("IMAGE", "MASK")
    RETURN_NAMES = ("IMAGE", "INPAINTING_MASK")
    FUNCTION = "execute"

    CATEGORY = "ControlNet Preprocessors/Normal and Depth Estimators"

    def execute(self, image, mask_bbox_padding=30, mask_type="based_on_depth", mask_expand=5, resolution=512, rand_seed=88, **kwargs):
        install_deps()
        from controlnet_aux.mesh_graphormer import MeshGraphormerDetector
        model = MeshGraphormerDetector.from_pretrained().to(model_management.get_torch_device())
        
        depth_map_list = []
        mask_list = []
        for single_image in image:
            np_image = np.asarray(single_image.cpu() * 255., dtype=np.uint8)
            depth_map, mask, info = model(np_image, output_type="np", detect_resolution=resolution, mask_bbox_padding=mask_bbox_padding, seed=rand_seed)
            if mask_type == "based_on_depth":
                H, W = mask.shape[:2]
                mask = cv2.resize(depth_map.copy(), (W, H))
                mask[mask > 0] = 255

            elif mask_type == "tight_bboxes":
                mask = np.zeros_like(mask)
                hand_bboxes = info["abs_boxes"]
                for hand_bbox in hand_bboxes: 
                    x_min, x_max, y_min, y_max = hand_bbox
                    mask[y_min:y_max+1, x_min:x_max+1, :] = 255 #HWC

            mask = mask[:, :, :1]
            depth_map_list.append(torch.from_numpy(depth_map.astype(np.float32) / 255.0))
            mask_list.append(torch.from_numpy(mask.astype(np.float32) / 255.0))
        depth_maps, masks = torch.stack(depth_map_list, dim=0), rearrange(torch.stack(mask_list, dim=0), "n h w 1 -> n 1 h w")
        return depth_maps, expand_mask(masks, mask_expand, tapered_corners=True)