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predict_kp.py
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predict_kp.py
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import argparse
import logging
import os
import numpy as np
import torch
import torch.nn.functional as F
from PIL import Image
from torchvision import transforms
import cv2
from utils.data_loading import BasicDataset
from unet import UNet
from utils.utils import plot_img_and_mask
def predict_img(net,
full_img,
device,
scale_factor=1,
out_threshold=0.5):
net.eval()
img = torch.from_numpy(BasicDataset.preprocess(None, full_img, scale_factor, is_mask=False))
img = img.unsqueeze(0)
img = img.to(device=device, dtype=torch.float32)
with torch.no_grad():
output = net(img).cpu()
return output
# output = F.interpolate(output, (full_img.size[1], full_img.size[0]), mode='bilinear')
# if net.n_classes > 1:
# mask = output.argmax(dim=1)
# else:
# mask = torch.sigmoid(output) > out_threshold
# return mask[0].long().squeeze().numpy()
def get_args():
parser = argparse.ArgumentParser(description='Predict masks from input images')
parser.add_argument('--model', '-m', default='MODEL.pth', metavar='FILE',
help='Specify the file in which the model is stored')
parser.add_argument('--input', '-i', metavar='INPUT', nargs='+', help='Filenames of input images', required=True)
parser.add_argument('--output', '-o', metavar='OUTPUT', nargs='+', help='Filenames of output images')
parser.add_argument('--viz', '-v', action='store_true',
help='Visualize the images as they are processed')
parser.add_argument('--no-save', '-n', action='store_true', help='Do not save the output masks')
parser.add_argument('--mask-threshold', '-t', type=float, default=0.5,
help='Minimum probability value to consider a mask pixel white')
parser.add_argument('--scale', '-s', type=float, default=1.0,
help='Scale factor for the input images')
parser.add_argument('--bilinear', action='store_true', default=False, help='Use bilinear upsampling')
parser.add_argument('--classes', '-c', type=int, default=2, help='Number of classes')
return parser.parse_args()
def get_output_filenames(args):
def _generate_name(fn):
return f'{os.path.splitext(fn)[0]}_OUT.png'
return args.output or list(map(_generate_name, args.input))
def mask_to_image(mask: np.ndarray, mask_values):
if isinstance(mask_values[0], list):
out = np.zeros((mask.shape[-2], mask.shape[-1], len(mask_values[0])), dtype=np.uint8)
elif mask_values == [0, 1]:
out = np.zeros((mask.shape[-2], mask.shape[-1]), dtype=bool)
else:
out = np.zeros((mask.shape[-2], mask.shape[-1]), dtype=np.uint8)
if mask.ndim == 3:
mask = np.argmax(mask, axis=0)
for i, v in enumerate(mask_values):
out[mask == i] = v
return Image.fromarray(out)
# def find_largest_polytope(v):
# v1 = 0
# v2 = 1
# v3 = 2
# v4 = 3
# largest_area = -1
# for i in range(v.shape[0]-3):
# for j in range(i+1,v.shape[0]-2):
# for k in range(j+1, v.shape[0]-1):
# for l in range(k+1, v.shape[0]):
# area = 1/2*((v[i,0]*v[j,1]+v[j,0]*v[k,1]+v[k,0]*v[l,1]+v[l,0]*v[i,1])-\
# (v[j,0]*v[i,1]+v[k,0]*v[j,1]+v[l,0]*v[k,1]+v[i,0]*v[l,1]))
# if area > largest_area:
# largest_area = area
# v1 = i
# v2 = j
# v3 = k
# v4 = l
# return hull_vertices[[v1, v2, v3, v4],:]
if __name__ == '__main__':
args = get_args()
logging.basicConfig(level=logging.INFO, format='%(levelname)s: %(message)s')
in_files = args.input
out_files = get_output_filenames(args)
net = UNet(n_channels=3, n_classes=14, bilinear=args.bilinear)
device = torch.device('cuda' if torch.cuda.is_available() else 'cpu')
logging.info(f'Loading model {args.model}')
logging.info(f'Using device {device}')
net.to(device=device)
state_dict = torch.load(args.model, map_location=device)
# mask_values = state_dict.pop('mask_values', [0, 1])
net.load_state_dict(state_dict)
logging.info('Model loaded!')
for i, filename in enumerate(in_files):
logging.info(f'Predicting image {filename} ...')
img = Image.open(filename)
output = predict_img(net=net,
full_img=img,
scale_factor=args.scale,
out_threshold=args.mask_threshold,
device=device)
p0 = (((output[0,0,:,:]==torch.max(output[0,0,:,:])).nonzero())/args.scale).tolist()
p0[0].reverse()
p1 = (((output[0,1,:,:]==torch.max(output[0,1,:,:])).nonzero())/args.scale).tolist()
p1[0].reverse()
p2 = (((output[0,2,:,:]==torch.max(output[0,2,:,:])).nonzero())/args.scale).tolist()
p2[0].reverse()
p3 = (((output[0,3,:,:]==torch.max(output[0,3,:,:])).nonzero())/args.scale).tolist()
p3[0].reverse()
p4 = (((output[0,4,:,:]==torch.max(output[0,4,:,:])).nonzero())/args.scale).tolist()
p4[0].reverse()
p5 = (((output[0,5,:,:]==torch.max(output[0,5,:,:])).nonzero())/args.scale).tolist()
p5[0].reverse()
p6 = (((output[0,6,:,:]==torch.max(output[0,6,:,:])).nonzero())/args.scale).tolist()
p6[0].reverse()
p7 = (((output[0,7,:,:]==torch.max(output[0,7,:,:])).nonzero())/args.scale).tolist()
p7[0].reverse()
p8 = (((output[0,8,:,:]==torch.max(output[0,8,:,:])).nonzero())/args.scale).tolist()
p8[0].reverse()
p9 = (((output[0,9,:,:]==torch.max(output[0,9,:,:])).nonzero())/args.scale).tolist()
p9[0].reverse()
p10 = (((output[0,2+8,:,:]==torch.max(output[0,2+8,:,:])).nonzero())/args.scale).tolist()
p10[0].reverse()
p11 = (((output[0,3+8,:,:]==torch.max(output[0,3+8,:,:])).nonzero())/args.scale).tolist()
p11[0].reverse()
p12 = (((output[0,4+8,:,:]==torch.max(output[0,4+8,:,:])).nonzero())/args.scale).tolist()
p12[0].reverse()
p13 = (((output[0,5+8,:,:]==torch.max(output[0,5+8,:,:])).nonzero())/args.scale).tolist()
p13[0].reverse()
# p14 = (((output[0,6+8,:,:]==torch.max(output[0,6+8,:,:])).nonzero())/args.scale).tolist()
# p14[0].reverse()
# p15 = (((output[0,7+8,:,:]==torch.max(output[0,7+8,:,:])).nonzero())/args.scale).tolist()
# p15[0].reverse()
kps = p0+p1+p2+p3+p4+p5+p6+p7+p8+p9+p10+p11+p12+p13
# # print(np.max(mask))
# # print(np.min(mask))
# pixels = np.where(mask>0)
# # print(pixels)
# pixels_array = np.vstack((pixels[1],pixels[0])).T
# # print(pixels_array.shape)
import matplotlib.pyplot as plt
# plt.figure()
# plt.imshow(mask)
for i in range(14):
plt.figure()
plt.imshow(output[0,i,:,:])
plt.figure()
plt.imshow(img)
plt.plot(np.array(kps)[:,0],np.array(kps)[:,1],'r*')
# print(img)
cv2_img = cv2.cvtColor(np.array(img), cv2.COLOR_RGB2BGR)
for i in range(14):
# cv2.drawMarker(
# cv2_img, (np.array(kps)[i,0],np.array(kps)[i,1]), color = (0,0,255), markerType=cv2.circle,
# markerSize=3, thickness=2, line_type=cv2.LINE_AA
# )
cv2.circle(cv2_img, (int(np.array(kps)[i,0]),int(np.array(kps)[i,1])), 3, (0,0,255), 2)
print(args.input)
input_fn = args.input[0].split('.p')[0]
cv2.imwrite(input_fn+"_marker.png", cv2_img)
# import scipy.spatial
# hull = scipy.spatial.ConvexHull(pixels_array)
# # plt.plot(pixels_array[hull.vertices,0],pixels_array[hull.vertices,1],'r*')
# hull_vertices = pixels_array[hull.vertices,:]
# center_point = np.mean(hull_vertices,axis=0)
# # plt.plot(center_point[0], center_point[1], 'b*')
# pts = find_largest_polytope(hull_vertices)
# upleft = np.where((pts[:,0]<center_point[0]) & (pts[:,1]<center_point[1]))
# upleft_vertices = pts[upleft[0],:]
# plt.plot(upleft_vertices[:,0],upleft_vertices[:,1],'r*')
# bottomleft = np.where((pts[:,0]<center_point[0]) & (pts[:,1]>center_point[1]))
# bottomleft_vertices = pts[bottomleft[0],:]
# plt.plot(bottomleft_vertices[:,0],bottomleft_vertices[:,1],'g*')
# bottomright = np.where((pts[:,0]>center_point[0]) & (pts[:,1]>center_point[1]))
# bottomright_vertices = pts[bottomright[0],:]
# plt.plot(bottomright_verti+p8ight[0],:]
# plt.plot(upright_vertices[:,0],upright_vertices[:,1],'y*')
# # plt.plot(pts[:,0], pts[:,1],'g*')
# # bottomleft = np.where((hull_vertices[:,0]<center_point[0]) & (hull_vertices[:,1]>center_point[1]))
# # bottomleft_vertices = hull_vertices[bottomleft[0],:]
# # diff = bottomleft_vertices - center_point
# # tmp = np.argmax(np.lina+p8vertices[upleft[0],:]
# # diff = upleft_vertices - center_point
# # tmp = np.argmax(np.linalg.norm(diff,axis=1)*np.cos(np.arctan2(diff[:,1], diff[:,0]))**2*np.sin(np.arctan2(diff[:,1], diff[:,0]))**2)
# # upleft_vertex = upleft_vertices[tmp,:]
# # # plt.plot(hull_vertices[upleft,0], hull_vertices[upleft,1],'g*')
# # plt.plot(upleft_vertex[0], upleft_vertex[1], 'g*')
# # bottomright = np.where((hull_vertices[:,0]>center_point[0]) & (hull_vertices[:,1]>center_point[1]))
# # bottomright_vertices = hull_vertices[bottomright[0],:]
# # diff = bottomright_vertices - center_point
# # tmp = np.argmax(np.linalg.norm(diff,axis=1)*np.cos(np.arctan2(diff[:,1], diff[:,0]))**2*np.sin(np.arctan2(diff[:,1], diff[:,0]))**2)
# # bottomright_vertex = bottomright_vertices[tmp,:]
# # # plt.plot(hull_vertices[bottomright,0], hull_vertices[bottomright,1],'g*')
# # plt.plot(bottomright_vertex[0], bottomright_vertex[1], 'g*')
# # upright = np.where((hull_vertices[:,0]>center_point[0]) & (hull_vertices[:,1]<center_point[1]))
# # upright_vertices = hull_vertices[upright[0],:]
# # diff = upright_vertices - center_point
# # tmp = np.argmax(np.linalg.norm(diff,axis=1)*np.cos(np.arctan2(diff[:,1], diff[:,0]))**2*np.sin(np.arctan2(diff[:,1], diff[:,0]))**2)
# # upright_vertex = upright_vertices[tmp,:]
# # # plt.plot(hull_vertices[upright,0], hull_vertices[upright,1],'g*')
# # plt.plot(upright_vertex[0], upright_vertex[1], 'g*')
plt.show()
# if not args.no_save:
# out_filename = out_files[i]
# result = mask_to_image(mask, mask_values)
# result.save(out_filename)
# logging.info(f'Mask saved to {out_filename}')
# if args.viz:
# logging.info(f'Visualizing results for image {filename}, close to continue...')
# plot_img_and_mask(img, mask)