| import albumentations as A |
| import cv2 |
| import torch |
|
|
| from albumentations.pytorch import ToTensorV2 |
| from utils.utils import seed_everything |
|
|
| DATASET = "PASCAL_VOC" |
| DEVICE = "cuda" if torch.cuda.is_available() else "cpu" |
| |
| DEVICE_COUNT = torch.cuda.device_count() |
| NUM_WORKERS = 0 |
| BATCH_SIZE = 128 |
| SHUFFLE = True |
| IMAGE_SIZE = 416 |
| NUM_CLASSES = 20 |
| LEARNING_RATE = 1e-3 |
| WEIGHT_DECAY = 1e-4 |
| NUM_EPOCHS = 40 |
| CONF_THRESHOLD = 0.05 |
| MAP_IOU_THRESH = 0.5 |
| NMS_IOU_THRESH = 0.45 |
| S = [IMAGE_SIZE // 32, IMAGE_SIZE // 16, IMAGE_SIZE // 8] |
| PIN_MEMORY = True |
| LOAD_MODEL = False |
| SAVE_MODEL = True |
| CHECKPOINT_FILE = "checkpoint.pth.tar" |
| IMG_DIR = DATASET + "/images/" |
| LABEL_DIR = DATASET + "/labels/" |
| P_MOSAIC = 0.5 |
|
|
| ANCHORS = [ |
| [(0.28, 0.22), (0.38, 0.48), (0.9, 0.78)], |
| [(0.07, 0.15), (0.15, 0.11), (0.14, 0.29)], |
| [(0.02, 0.03), (0.04, 0.07), (0.08, 0.06)], |
| ] |
|
|
| means = [0.485, 0.456, 0.406] |
|
|
| scale = 1.1 |
| train_transforms = A.Compose( |
| [ |
| A.LongestMaxSize(max_size=int(IMAGE_SIZE * scale)), |
| A.PadIfNeeded( |
| min_height=int(IMAGE_SIZE * scale), |
| min_width=int(IMAGE_SIZE * scale), |
| border_mode=cv2.BORDER_CONSTANT, |
| ), |
| A.Rotate(limit=10, interpolation=1, border_mode=4), |
| A.RandomCrop(width=IMAGE_SIZE, height=IMAGE_SIZE), |
| A.ColorJitter(brightness=0.6, contrast=0.6, saturation=0.6, hue=0.6, p=0.4), |
| A.OneOf( |
| [ |
| A.ShiftScaleRotate( |
| rotate_limit=20, p=0.5, border_mode=cv2.BORDER_CONSTANT |
| ), |
| |
| ], |
| p=1.0, |
| ), |
| A.HorizontalFlip(p=0.5), |
| A.Blur(p=0.1), |
| A.CLAHE(p=0.1), |
| A.Posterize(p=0.1), |
| A.ToGray(p=0.1), |
| A.ChannelShuffle(p=0.05), |
| A.Normalize( |
| mean=[0, 0, 0], |
| std=[1, 1, 1], |
| max_pixel_value=255, |
| ), |
| ToTensorV2(), |
| ], |
| bbox_params=A.BboxParams( |
| format="yolo", |
| min_visibility=0.4, |
| label_fields=[], |
| ), |
| ) |
| test_transforms = A.Compose( |
| [ |
| A.LongestMaxSize(max_size=IMAGE_SIZE), |
| A.PadIfNeeded( |
| min_height=IMAGE_SIZE, min_width=IMAGE_SIZE, border_mode=cv2.BORDER_CONSTANT |
| ), |
| A.Normalize( |
| mean=[0, 0, 0], |
| std=[1, 1, 1], |
| max_pixel_value=255, |
| ), |
| ToTensorV2(), |
| ], |
| bbox_params=A.BboxParams(format="yolo", min_visibility=0.4, label_fields=[]), |
| ) |
|
|
| PASCAL_CLASSES = [ |
| "aeroplane", |
| "bicycle", |
| "bird", |
| "boat", |
| "bottle", |
| "bus", |
| "car", |
| "cat", |
| "chair", |
| "cow", |
| "diningtable", |
| "dog", |
| "horse", |
| "motorbike", |
| "person", |
| "pottedplant", |
| "sheep", |
| "sofa", |
| "train", |
| "tvmonitor", |
| ] |
|
|
| COCO_LABELS = [ |
| "person", |
| "bicycle", |
| "car", |
| "motorcycle", |
| "airplane", |
| "bus", |
| "train", |
| "truck", |
| "boat", |
| "traffic light", |
| "fire hydrant", |
| "stop sign", |
| "parking meter", |
| "bench", |
| "bird", |
| "cat", |
| "dog", |
| "horse", |
| "sheep", |
| "cow", |
| "elephant", |
| "bear", |
| "zebra", |
| "giraffe", |
| "backpack", |
| "umbrella", |
| "handbag", |
| "tie", |
| "suitcase", |
| "frisbee", |
| "skis", |
| "snowboard", |
| "sports ball", |
| "kite", |
| "baseball bat", |
| "baseball glove", |
| "skateboard", |
| "surfboard", |
| "tennis racket", |
| "bottle", |
| "wine glass", |
| "cup", |
| "fork", |
| "knife", |
| "spoon", |
| "bowl", |
| "banana", |
| "apple", |
| "sandwich", |
| "orange", |
| "broccoli", |
| "carrot", |
| "hot dog", |
| "pizza", |
| "donut", |
| "cake", |
| "chair", |
| "couch", |
| "potted plant", |
| "bed", |
| "dining table", |
| "toilet", |
| "tv", |
| "laptop", |
| "mouse", |
| "remote", |
| "keyboard", |
| "cell phone", |
| "microwave", |
| "oven", |
| "toaster", |
| "sink", |
| "refrigerator", |
| "book", |
| "clock", |
| "vase", |
| "scissors", |
| "teddy bear", |
| "hair drier", |
| "toothbrush", |
| ] |
|
|