config.example.json

{
    "dataset": {
        "name": "Paper of OTV but from other paper",
        "image_dataset": "examples/datasets/river-brenta/images",
        "image_number_offset": 0,
        "image_path_prefix": "",
        "image_path_digits": 4,
        "video_path": "examples/datasets/river-brenta/river_brenta.avi",
        "width": 3840,
        "height": 2160,
        "ppm": 200,
        "gcp": {
            "apply": false,
            "pixels": {
                "x": [725, 886, 1027, 1229],
                "y": [540, 540, 540, 540]
            },
            "meters": {
                "x": [0.25, 4.25, 4.50, 0.00],
                "y": [0.30, 0.20, 3.50, 3.50]
            },
            "ground_truth": [
                {
                    "position": [582, 443],
                    "velocity": 0.45675
                },
                {
                    "position": [423, 417],
                    "velocity": 0.44891
                },
                {
                    "position": [282, 394],
                    "velocity": 0.31224
                },
                {
                    "position": [82, 367],
                    "velocity": 0.31975
                }
            ]
        }
    },
    "preprocessing": {
        "rotate_image": 99,
        "pre_roi": {
            "h1": 0,
            "h2": 4000,
            "w1": 0,
            "w2": 4000
        },
        "roi": {
            "h1": 200,
            "h2": 1100,
            "w1": 200,
            "w2": 1400
        },
        "image_correction": {
            "apply": false,
            "k1": -10.0e-6,
            "c": 2,
            "f":8.0
        }
    },
    "otv": {
        "mask_path": "",
        "pixel_to_real": 0.004965,
        "partial_min_angle": 135,
        "partial_max_angle": 225,
        "final_min_angle": 160,
        "final_max_angle": 200,
        "final_min_distance": 216,
        "max_features": 7000,
        "region_step": 240,
        "resolution": 1,
        "features": {
            "maxcorner": 300,
            "qualitylevel": 0.2,
            "mindistance": 4,
            "blocksize": 2
        },
        "lk" : {
            "winsize": 15,
            "max_level": 4,
            "max_count": 20,
            "epsilon": 0.03,
            "flags": 0,
            "radius": 7,
            "min_eigen_threshold": 0.001
        },
        "lines" : [
            582,
            423,
            282,
            82
        ]
    },
    "stiv": {
        "window_shape": [51, 51],
        "filter_window": 11,
        "overlap": 31,
        "ksize": 7,
        "polar_filter_width": 2,
        "lines": [
            {
                "start": [30, 10],
                "end": [31, 200]
            },
            {
                "start": [60, 10],
                "end": [61, 200]
            },
            {
                "start": [100, 10],
                "end": [101, 200]
            },
            {
                "start": [130, 10],
                "end": [131, 200]
            },
            {
                "start": [160, 10],
                "end": [161, 200]
            }
        ]
    }
}