def get_example(self, i):
view0_file_path = self.row_labels["file_path_"][i]
relative_view0_file_path = self.row_labels["relative_file_path_"][i]
view0 = self.preprocess_image(view0_file_path)
gt_segmentation_file_path = self.row_labels["iuv_path_"][i]
gt_segmentation_relative_file_path = self.row_labels[
"relative_iuv_path_"][i]
gt_segmentation = self.preprocess_iuv(gt_segmentation_file_path)
dp_semantic_remap_dict = self.config.get("dp_semantic_remap_dict")
dp_new_part_list = sorted(list(dp_semantic_remap_dict.keys()))
dp_remap_dict = denseposelib.semantic_remap_dict2remap_dict(
dp_semantic_remap_dict, dp_new_part_list)
spatial_size = self.config.get("spatial_size")
gt_segmentation_resized = denseposelib.resize_labels(
gt_segmentation, (spatial_size, spatial_size))
remapped_gt_segmentation = denseposelib.remap_parts(
gt_segmentation_resized, dp_remap_dict)
return {
"view0":
view0,
"view1":
view0,
"file_path_":
view0_file_path,
"relative_file_path_":
relative_view0_file_path,
"external_mask":
remapped_gt_segmentation,
"gt_segmentation_file_path":
gt_segmentation_file_path,
"gt_segmentation_relative_file_path":
gt_segmentation_relative_file_path,
}
def make_figure_1(data: dict, root: str, config: dict, global_step: int):
figure01_options = config.get("figure01_options")
dp_semantic_remap_dict = config.get("dp_semantic_remap_dict")
dp_new_part_list = sorted(list(dp_semantic_remap_dict.keys()))
dp_remap_dict = denseposelib.semantic_remap_dict2remap_dict(
dp_semantic_remap_dict, dp_new_part_list)
inferred_segmentation = (
data["outputs"][figure01_options["inferred_segmentation_key"]] + 1
) # +1 because the visualizer code uses + 1
sampled_segmentation = data["outputs"][
figure01_options["sampled_mask_key"]]
images = data["inputs"][figure01_options["input_view_key"]]
generated = data["outputs"][figure01_options["generated_image_key"]]
groundtruth_segmentation = data["batches"][
figure01_options["gt_segmentation_key"]]
groundtruth_segmentation = denseposelib.resize_labels(
groundtruth_segmentation, (128, 128))
remapped_gt_segmentation = denseposelib.remap_parts(
groundtruth_segmentation, dp_remap_dict)
best_remapping = denseposelib.compute_best_iou_remapping(
inferred_segmentation, remapped_gt_segmentation)
remapped_inferred = denseposelib.remap_parts(inferred_segmentation,
best_remapping)
ncols = 7
n_inferred_parts = config.get("n_inferred_parts", 10)
colors = make_mask_colors(len(set(dp_new_part_list)), background_id=1)
df = pd.DataFrame(columns=["global_step", "batch_idx"] + dp_new_part_list)
for i in range(
len(inferred_segmentation)
): # TODO: maybe replace this amount of plots by parameters in the config file
image_container = []
# remap inferred segmentation
old_inferred = inferred_segmentation[i]
current_sampled_segmentation = np.argmax(sampled_segmentation[i], -1)
old_inferred_colors = make_mask_colors(n_inferred_parts,
background_id=1)
image_container.append(old_inferred_colors[old_inferred - 1])
image_container.append(
old_inferred_colors[current_sampled_segmentation])
new_inferred = remapped_inferred[i]
current_gt_segmentation = remapped_gt_segmentation[i]
# remap GT segmentation
iou, iou_labels = denseposelib.compute_iou(new_inferred,
current_gt_segmentation)
# filter out background
iou_filter = np.ones_like(iou) == 1.0
iou_filter[iou_labels == dp_new_part_list.index("background")] = False
df_update = {p: -1.0 for p in dp_new_part_list}
df_update.update({
p: float(np.squeeze(iou[pi == iou_labels]))
for pi, p in enumerate(dp_new_part_list) if pi in iou_labels
})
df_update.update({"batch_idx": i, "global_step": global_step})
df = df.append(df_update, ignore_index=True)
filtered_iou = iou[iou_filter]
mean_iou = np.mean(filtered_iou)
image_container.append(colors[new_inferred])
image_container.append(colors[current_gt_segmentation])
legend_labels = []
for pi, p in enumerate(dp_new_part_list):
if pi in iou_labels:
p_iou = np.squeeze(iou[np.argwhere(iou_labels == pi)])
else:
p_iou = 0.0
legend_labels.append(p + " - IOU : {:.03f}".format(p_iou))
legend_labels.append("mIOU (no BG) : {:.03f}".format(mean_iou))
colors = np.concatenate([colors, np.reshape([0, 0, 0], (1, 3))],
axis=0)
text_colors = [1, 1, 1] * len(colors)
legend_image = utils.make_legend_image(legend_labels, colors,
text_colors, (128, 128), 1)
image_container.append(legend_image)
current_image = images[i]
current_generated = generated[i]
image_container.append(
imageutils.convert_range(current_image, [-1, 1], [0, 1]))
image_container.append(
imageutils.convert_range(current_generated, [-1, 1], [0, 1]))
# write files
out_path = os.path.join(root, "figure_01")
os.makedirs(out_path, exist_ok=True)
out_image = np.stack(image_container)
out_image = imageutils.convert_range(out_image, [0, 1], [-1, 1])
plot_batch(out_image,
os.path.join(out_path, "{:06d}.png".format(i)),
cols=ncols)
df.to_csv(os.path.join(root, "part_ious.csv"), index=False, header=True)
df_mean = df[df != -1].mean().to_frame().transpose()
with open(os.path.join(root, "mean_part_ios.csv"), "w") as f:
print(
tabulate(df_mean,
headers="keys",
tablefmt="psql",
showindex="never"),
file=f,
)
def main(infer_dir, output_folder, run_crf_config, n_processes):
os.makedirs(output_folder, exist_ok=True)
with open(run_crf_config, "r") as f:
config = yaml.load(f)
segmentation_algorithm_args = config["segmentation_algorithm_args"]
npz_files = glob.glob(os.path.join(infer_dir, "*.npz"))
npz_files = sorted(npz_files)
print("Using files :")
print(npz_files)
segmentation_algorithm = crf.SegmentationFromKeypoints(
**segmentation_algorithm_args)
data = []
with closing(Pool(n_processes)) as p:
for outputs in tqdm.tqdm(p.imap(load_npz, npz_files)):
data.append(outputs)
data = list_of_dicts2dict_of_lists(data)
data = {k: np.concatenate(data[k]) for k in ["image", "gauss_yx"]}
data["gauss_yx"] = data["gauss_yx"][..., ::-1]
process_func = functools.partial(
process_batches, **{
"segmentation_algorithm": segmentation_algorithm,
})
tuples = list(
zip(np.array_split(data["image"], n_processes, 0),
np.array_split(data["gauss_yx"], n_processes, 0)))
processed_data = []
with closing(Pool(n_processes)) as p:
for outputs in tqdm.tqdm(p.imap(process_func, tuples)):
processed_data.append(outputs)
labels = np.concatenate([p["labels"] for p in processed_data], 0)
labels_rgb = np.concatenate([p["labels_rgb"] for p in processed_data], 0)
heatmaps = np.concatenate([p["heatmaps"] for p in processed_data], 0)
ims_with_keypoints = np.concatenate(
[p["ims_with_keypoints"] for p in processed_data], 0)
target_dir = os.path.join(output_folder, "01_keypoints")
os.makedirs(target_dir, exist_ok=True)
write_rgb(ims_with_keypoints, target_dir, n_processes)
target_dir = os.path.join(output_folder, "02_heatmaps")
os.makedirs(target_dir, exist_ok=True)
write_rgb(heatmaps, target_dir, n_processes)
target_dir = os.path.join(output_folder, "03_labels_rgb")
os.makedirs(target_dir, exist_ok=True)
write_rgb(labels_rgb, target_dir, n_processes)
densepose_csv_path = config["densepose_csv_path"]
data_root = config["data_root"]
fname_col = config["data_fname_col"]
iuv_files = get_iuv_files(densepose_csv_path, data_root, len(labels),
fname_col)
iuvs = [cv2.imread(x, -1) for x in iuv_files]
iuvs = [
denseposelib.resize_labels(i[..., 0], labels.shape[1:]) for i in iuvs
]
iuvs = np.stack(iuvs, axis=0)
dp_semantic_remap_dict = config["dp_semantic_remap_dict"]
dp_new_part_list = sorted(list(dp_semantic_remap_dict.keys()))
dp_remap_dict = denseposelib.semantic_remap_dict2remap_dict(
dp_semantic_remap_dict, dp_new_part_list)
remapped_gt_segmentation, remapped_inferred = denseposelib.get_best_segmentation(
iuvs, labels, dp_remap_dict)
df = pd.DataFrame(columns=["batch_idx"] + dp_new_part_list)
df = denseposelib.calculate_iou_df(remapped_inferred,
remapped_gt_segmentation,
dp_new_part_list)
df.to_csv(os.path.join(output_folder, "part_ious.csv"),
index=False,
header=True)
df_mean = denseposelib.calculate_overall_iou_from_df(df)
with open(os.path.join(output_folder, "mean_part_ios.csv"), "w") as f:
print(
tabulate(df_mean,
headers="keys",
tablefmt="psql",
showindex="never"),
file=f,
)
target_dir = os.path.join(output_folder, "04_compare")
os.makedirs(target_dir, exist_ok=True)
background_color = np.array([1, 1, 1])
colors1 = imageutils.make_colors(config["n_inferred_parts"] + 1,
with_background=True,
background_id=0)
colors2 = imageutils.make_colors(
len(dp_new_part_list),
with_background=True,
background_id=dp_new_part_list.index("background"))
for i, (im1, im2, im3) in enumerate(
zip(labels, remapped_inferred, remapped_gt_segmentation)):
canvas = np.concatenate([colors1[im1], colors2[im2], colors2[im3]],
1).astype(np.float32)
canvas = cv2.cvtColor(canvas, cv2.COLOR_RGB2BGR)
fname = os.path.join(target_dir, "{:06d}.png".format(i))
cv2.imwrite(fname, imageutils.convert_range(canvas, [0, 1], [0, 255]))
# batches.plot_batch(
# imageutils.convert_range(canvas, [0, 1], [-1, 1]), fname, cols=3
# )
target_dir = os.path.join(output_folder, "05_remapped_inferred")
os.makedirs(target_dir, exist_ok=True)
write_labels(remapped_inferred, target_dir, colors2, n_processes)
target_dir = os.path.join(output_folder, "06_remapped_labels")
os.makedirs(target_dir, exist_ok=True)
write_labels(remapped_gt_segmentation, target_dir, colors2, n_processes)