monoloco/monstereo/predict.py
Lorenzo Bertoni 4992d4c34e
Visualization (#2)
* update readme

* remove legend for front

* change default z_max to 100m

* add visualization for distance

* add visualization for distance

* adjust text

* remove legend for frontal image

* change frontal visualization

* adjust visualization

* update fontsize as constant

* change name of saving

* change architecture name

* change architecture name

* change architecture name

* remove gt boxes

* support different resolutions

* adapt to front and combined

* change name to multi
2020-11-30 11:49:47 +01:00

147 lines
6.0 KiB
Python

# pylint: disable=too-many-statements, too-many-branches, undefined-loop-variable
import os
import json
from collections import defaultdict
import torch
from PIL import Image
from .visuals.printer import Printer
from .visuals.pifpaf_show import KeypointPainter, image_canvas
from .network import PifPaf, ImageList, Loco
from .network.process import factory_for_gt, preprocess_pifpaf
def predict(args):
cnt = 0
# Load Models
pifpaf = PifPaf(args)
assert args.mode in ('mono', 'stereo', 'pifpaf')
if 'mono' in args.mode:
monoloco = Loco(model=args.model, net='monoloco_pp',
device=args.device, n_dropout=args.n_dropout, p_dropout=args.dropout)
if 'stereo' in args.mode:
monstereo = Loco(model=args.model, net='monstereo',
device=args.device, n_dropout=args.n_dropout, p_dropout=args.dropout)
# data
data = ImageList(args.images, scale=args.scale)
if args.mode == 'stereo':
assert len(data.image_paths) % 2 == 0, "Odd number of images in a stereo setting"
bs = 2
else:
bs = 1
data_loader = torch.utils.data.DataLoader(
data, batch_size=bs, shuffle=False,
pin_memory=args.pin_memory, num_workers=args.loader_workers)
for idx, (image_paths, image_tensors, processed_images_cpu) in enumerate(data_loader):
images = image_tensors.permute(0, 2, 3, 1)
processed_images = processed_images_cpu.to(args.device, non_blocking=True)
fields_batch = pifpaf.fields(processed_images)
# unbatch stereo pair
for ii, (image_path, image, processed_image_cpu, fields) in enumerate(zip(
image_paths, images, processed_images_cpu, fields_batch)):
if args.output_directory is None:
splits = os.path.split(image_paths[0])
output_path = os.path.join(splits[0], 'out_' + splits[1])
else:
file_name = os.path.basename(image_paths[0])
output_path = os.path.join(args.output_directory, 'out_' + file_name)
print('image', idx, image_path, output_path)
keypoint_sets, scores, pifpaf_out = pifpaf.forward(image, processed_image_cpu, fields)
if ii == 0:
pifpaf_outputs = [keypoint_sets, scores, pifpaf_out] # keypoints_sets and scores for pifpaf printing
images_outputs = [image] # List of 1 or 2 elements with pifpaf tensor and monoloco original image
pifpaf_outs = {'left': pifpaf_out}
image_path_l = image_path
else:
pifpaf_outs['right'] = pifpaf_out
if args.mode in ('stereo', 'mono'):
# Extract calibration matrix and ground truth file if present
with open(image_path_l, 'rb') as f:
pil_image = Image.open(f).convert('RGB')
images_outputs.append(pil_image)
im_name = os.path.basename(image_path_l)
im_size = (float(image.size()[1] / args.scale), float(image.size()[0] / args.scale)) # Original
kk, dic_gt = factory_for_gt(im_size, name=im_name, path_gt=args.path_gt)
# Preprocess pifpaf outputs and run monoloco
boxes, keypoints = preprocess_pifpaf(pifpaf_outs['left'], im_size, enlarge_boxes=False)
if args.mode == 'mono':
print("Prediction with MonoLoco++")
dic_out = monoloco.forward(keypoints, kk)
dic_out = monoloco.post_process(dic_out, boxes, keypoints, kk, dic_gt)
else:
print("Prediction with MonStereo")
boxes_r, keypoints_r = preprocess_pifpaf(pifpaf_outs['right'], im_size)
dic_out = monstereo.forward(keypoints, kk, keypoints_r=keypoints_r)
dic_out = monstereo.post_process(dic_out, boxes, keypoints, kk, dic_gt)
else:
dic_out = defaultdict(list)
kk = None
factory_outputs(args, images_outputs, output_path, pifpaf_outputs, dic_out=dic_out, kk=kk)
print('Image {}\n'.format(cnt) + '-' * 120)
cnt += 1
def factory_outputs(args, images_outputs, output_path, pifpaf_outputs, dic_out=None, kk=None):
"""Output json files or images according to the choice"""
# Save json file
if args.mode == 'pifpaf':
keypoint_sets, scores, pifpaf_out = pifpaf_outputs[:]
# Visualizer
keypoint_painter = KeypointPainter(show_box=False)
skeleton_painter = KeypointPainter(show_box=False, color_connections=True, markersize=1, linewidth=4)
if 'json' in args.output_types and keypoint_sets.size > 0:
with open(output_path + '.pifpaf.json', 'w') as f:
json.dump(pifpaf_out, f)
if 'keypoints' in args.output_types:
with image_canvas(images_outputs[0],
output_path + '.keypoints.png',
show=args.show,
fig_width=args.figure_width,
dpi_factor=args.dpi_factor) as ax:
keypoint_painter.keypoints(ax, keypoint_sets)
if 'skeleton' in args.output_types:
with image_canvas(images_outputs[0],
output_path + '.skeleton.png',
show=args.show,
fig_width=args.figure_width,
dpi_factor=args.dpi_factor) as ax:
skeleton_painter.keypoints(ax, keypoint_sets, scores=scores)
else:
if any((xx in args.output_types for xx in ['front', 'bird', 'multi'])):
print(output_path)
if dic_out['boxes']: # Only print in case of detections
printer = Printer(images_outputs[1], output_path, kk, args)
figures, axes = printer.factory_axes()
printer.draw(figures, axes, dic_out, images_outputs[1])
if 'json' in args.output_types:
with open(os.path.join(output_path + '.monoloco.json'), 'w') as ff:
json.dump(dic_out, ff)