From 872aec93e1abf021cd5d64b8769b05d314367463 Mon Sep 17 00:00:00 2001
From: Charles Joseph Pierre Beauville <charlesbeauville@gmail.com>
Date: Mon, 28 Jun 2021 02:01:52 +0200
Subject: [PATCH] Refactoring

---
 monoloco/prep/preprocess_casr.py | 100 +++++++++++++++++++++++++++++++
 1 file changed, 100 insertions(+)
 create mode 100644 monoloco/prep/preprocess_casr.py

diff --git a/monoloco/prep/preprocess_casr.py b/monoloco/prep/preprocess_casr.py
new file mode 100644
index 0000000..afb434f
--- /dev/null
+++ b/monoloco/prep/preprocess_casr.py
@@ -0,0 +1,100 @@
+import pickle
+import re
+import json
+import os
+import glob
+import datetime
+import numpy as np
+import torch
+
+from .. import __version__
+from ..network.process import preprocess_monoloco
+
+gt_path = 'data/casr/annotations/casr_annotation.pickle'
+res_path = '/scratch/izar/beauvill/casr/res_extended/casr*'
+
+def bb_intersection_over_union(boxA, boxB):
+    xA = max(boxA[0], boxB[0])
+    yA = max(boxA[1], boxB[1])
+    xB = min(boxA[2], boxB[2])
+    yB = min(boxA[3], boxB[3])
+    interArea = max(0, xB - xA + 1) * max(0, yB - yA + 1)
+    boxAArea = (boxA[2] - boxA[0] + 1) * (boxA[3] - boxA[1] + 1)
+    boxBArea = (boxB[2] - boxB[0] + 1) * (boxB[3] - boxB[1] + 1)
+    iou = interArea / float(boxAArea + boxBArea - interArea)
+    return iou
+
+def match_bboxes(bbox_gt, bbox_pred):
+    n_true = bbox_gt.shape[0]
+    n_pred = bbox_pred.shape[0]
+
+    iou_matrix = np.zeros((n_true, n_pred))
+    for i in range(n_true):
+        for j in range(n_pred):
+            iou_matrix[i, j] = bb_intersection_over_union(bbox_gt[i,:], bbox_pred[j,:])
+
+    return np.argmax(iou_matrix)
+
+def standard_bbox(bbox):
+    return [bbox[0], bbox[1], bbox[0]+bbox[2], bbox[1]+bbox[3]]
+
+def load_gt():
+    return pickle.load(open(gt_path, 'rb'), encoding='latin1')
+
+def load_res(path=res_path):
+    mono = []
+    for folder in sorted(glob.glob(path), key=lambda x:float(re.findall(r"(\d+)",x)[0])):
+        data_list = []
+        for file in sorted(os.listdir(folder), key=lambda x:float(re.findall(r"(\d+)",x)[0])):
+            if 'json' in file:
+                json_path = os.path.join(folder, file)
+                json_data = json.load(open(json_path))
+                json_data['filename'] = json_path
+                data_list.append(json_data)
+        mono.append(data_list)
+    return mono
+
+def create_dic(dir_ann=res_path, std=False):
+    gt=load_gt()
+    res=load_res(dir_ann)
+    dic_jo = {
+        'train': dict(X=[], Y=[], names=[], kps=[]),
+        'val': dict(X=[], Y=[], names=[], kps=[]),
+        'version': __version__,
+    }
+    split = ['3', '4']
+    if std:
+        wrong = [6, 8, 9, 10, 11, 12, 14, 21, 40, 43, 55, 70, 76, 92, 109,
+                 110, 112, 113, 121, 123, 124, 127, 128, 134, 136, 139, 165, 173]
+        mode = 'std'
+    else:
+        wrong = []
+        mode = ''
+    for i in [x for x in range(len(res[:])) if x not in wrong]:
+        for j in [x for x in range(len(res[i][:])) if 'boxes' in res[i][x]]:
+            folder = gt[i][j]['video_folder']
+
+            phase = 'val'
+            if folder[7] in split:
+                phase = 'train'
+
+            gt_box = gt[i][j]['bbox_gt']
+
+            good_idx = match_bboxes(np.array([standard_bbox(gt_box)]), np.array(res[i][j]['boxes'])[:,:4])
+
+            keypoints = [res[i][j]['uv_kps'][good_idx]]
+
+            gt_turn = gt[i][j]['left_or_right']
+            if std and gt_turn == 3:
+                gt_turn = 2
+            inp = preprocess_monoloco(keypoints, torch.eye(3)).view(-1).tolist()
+            dic_jo[phase]['kps'].append(keypoints)
+            dic_jo[phase]['X'].append(inp)
+            dic_jo[phase]['Y'].append(gt_turn)
+            dic_jo[phase]['names'].append(folder+"_frame{}".format(j))
+
+    now_time = datetime.datetime.now().strftime("%Y%m%d-%H%M")[2:]
+    with open("data/casr/outputs/joints-casr-" + mode + "-right-" +
+              split[0] + split[1] + "-" + now_time + ".json", 'w') as file:
+        json.dump(dic_jo, file)
+    return dic_jo