File size: 1,296 Bytes
42ef134 92207d3 42ef134 92207d3 42ef134 92207d3 42ef134 92207d3 42ef134 92207d3 42ef134 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 |
import cv2
import numpy as np
import torch
from einops import rearrange
from .api import MiDaSInference
model = None
def apply_midas(input_image, a=np.pi * 2.0, bg_th=0.1):
global model
if not model:
model = MiDaSInference(model_type="dpt_hybrid").cuda()
assert input_image.ndim == 3
image_depth = input_image
with torch.no_grad():
image_depth = torch.from_numpy(image_depth).float().cuda()
image_depth = image_depth / 127.5 - 1.0
image_depth = rearrange(image_depth, "h w c -> 1 c h w")
depth = model(image_depth)[0]
depth_pt = depth.clone()
depth_pt -= torch.min(depth_pt)
depth_pt /= torch.max(depth_pt)
depth_pt = depth_pt.cpu().numpy()
depth_image = (depth_pt * 255.0).clip(0, 255).astype(np.uint8)
depth_np = depth.cpu().numpy()
x = cv2.Sobel(depth_np, cv2.CV_32F, 1, 0, ksize=3)
y = cv2.Sobel(depth_np, cv2.CV_32F, 0, 1, ksize=3)
z = np.ones_like(x) * a
x[depth_pt < bg_th] = 0
y[depth_pt < bg_th] = 0
normal = np.stack([x, y, z], axis=2)
normal /= np.sum(normal**2.0, axis=2, keepdims=True) ** 0.5
normal_image = (normal * 127.5 + 127.5).clip(0, 255).astype(np.uint8)
return depth_image, normal_image
|