ssd_vgg300_voc_det.json

{
    "dataset": "voc",
    "task": "det",
    "method": "single_shot_detector",
    "data": {
      "num_classes": 21,
      "data_dir": "~/DataSet/VOC07+12_DET",
      "image_tool": "cv2",
      "input_mode": "BGR",
      "keep_difficult": false,
      "workers": 8
    },
    "train": {
      "batch_size": 32,
      "data_transformer": {
        "size_mode": "fix_size",
        "input_size": [300, 300],
        "align_method": "only_scale"
      }
    },
    "val": {
      "batch_size": 32,
      "use_07_metric": true,
      "data_transformer": {
        "size_mode": "fix_size",
        "input_size": [300, 300],
        "align_method": "only_scale"
      }
    },
    "test": {
      "input_size": [300, 300],
      "scale_search": [1.0]
    },
    "train_trans": {
      "shuffle_trans_seq": ["random_contrast", "random_hue", "random_saturation", "random_brightness", "random_perm"],
      "trans_seq": ["random_hflip", "random_pad", "random_crop"],
      "random_saturation": {
        "ratio": 0.5,
        "lower": 0.5,
        "upper": 1.5
      },
      "random_hue": {
        "ratio": 0.5,
        "delta": 18
      },
      "random_contrast": {
        "ratio": 0.5,
        "lower": 0.5,
        "upper": 1.5
      },
      "random_pad": {
        "ratio": 0.6,
        "up_scale_range": [1.0, 4.0]
      },
      "random_brightness": {
        "ratio": 0.5,
        "shift_value": 32
      },
      "random_perm": {
        "ratio": 0.5
      },
      "random_hflip": {
        "ratio": 0.5,
        "swap_pair": []
      },
      "random_crop":{
        "ratio": 1.0,
        "method": "det",
        "grid":[3, 2],
        "center_jitter": 20
      }
    },
    "val_trans": {
      "trans_seq": []
    },
    "normalize": {
      "div_value": 1,
      "mean_value": [104, 117, 123],
      "mean": [104.0, 117.0, 123.0],
      "std": [1.0, 1.0, 1.0]
    },
    "gt": {
      "anchor_method": "ssd",
      "iou_threshold": 0.5,
      "num_anchor_list": [4, 6, 6, 6, 4, 4],
      "feature_maps_wh": [[38, 38], [19, 19], [10, 10], [5, 5], [3, 3], [1, 1]],
      "cur_anchor_sizes": [30, 60, 111, 162, 213, 264, 315],
      "aspect_ratio_list": [[2], [2, 3], [2, 3], [2, 3], [2], [2]]
    },
    "details": {
      "color_list": [[255, 170, 30], [0, 0, 70], [244, 35, 232]],
      "name_id_dict": {
        "aeroplane": 1, "bicycle": 2, "bird": 3, "boat": 4, "bottle": 5, "bus": 6, "car": 7,
        "cat": 8, "chair": 9, "cow": 10, "diningtable": 11, "dog": 12, "horse": 13, "motorbike": 14,
        "person": 15, "pottedplant": 16, "sheep": 17, "sofa": 18, "train": 19, "tvmonitor": 20
      },
      "name_seq": ["aeroplane", "bicycle", "bird", "boat", "bottle", "bus", "car", "cat", "chair",
                   "cow", "diningtable", "dog", "horse", "motorbike", "person", "pottedplant",
                   "sheep", "sofa", "train", "tvmonitor"]
    },
    "checkpoints": {
      "checkpoints_name": "ssd_vgg300_voc_det",
      "checkpoints_dir": "checkpoints/det/voc",
      "save_iters": 5000
    },
    "network":{
      "backbone": "vgg16",
      "model_name": "vgg300_ssd",
      "num_feature_list": [512, 1024, 512, 256, 256, 256],
      "stride_list": [8, 16, 30, 60, 100, 300],
      "head_index_list": [0, 1, 2, 3, 4, 5]
    },
    "logging": {
      "logfile_level": "info",
      "stdout_level": "info",
      "log_file": "./log/det/ssd_vgg300_voc_det.log",
      "log_format": "%(asctime)s %(levelname)-7s %(message)s",
      "rewrite": true
    },
    "lr": {
      "metric": "epoch",
      "is_warm": true,
      "warm": {
        "warm_epoch": 6,
        "freeze_backbone": false
      },
      "base_lr": 0.004,
      "lr_policy": "multistep",
      "step": {
        "gamma": 0.1,
        "step_size": 500
      },
      "multistep": {
        "gamma": 0.1,
        "stepvalue": [156, 195, 234]
      }
    },
    "solver": {
      "display_iter": 100,
      "test_interval": 5000,
      "max_epoch": 235
    },
    "optim": {
      "optim_method": "sgd",
      "adam": {
        "betas": [0.9, 0.999],
        "eps": 1e-08,
        "weight_decay": 0.0001
      },
      "sgd":{
        "weight_decay": 0.0005,
        "momentum": 0.9,
        "nesterov": false
      }
    },
    "nms": {
      "mode": "union",
      "max_threshold": 0.45,
      "pre_nms": 1000
    },
    "res": {
      "val_conf_thre": 0.01,
      "vis_conf_thre": 0.5,
      "max_per_image": 200,
      "cls_keep_num": 50
    },
    "loss": {
      "loss_type": "ssd_multibox_loss"
    }
}