src/ipa/libipa/histogram.h

{
    "version": 2.0,
    "target": "bcm2835",
    "algorithms": [
        {
            "rpi.black_level":
            {
                "black_level": 1024
            }
        },
        {
            "rpi.dpc": { }
        },
        {
            "rpi.lux":
            {
                "reference_shutter_speed": 21663,
                "reference_gain": 1.0,
                "reference_aperture": 1.0,
                "reference_lux": 987,
                "reference_Y": 8961
            }
        },
        {
            "rpi.noise":
            {
                "reference_constant": 0,
                "reference_slope": 4.25
            }
        },
        {
            "rpi.geq":
            {
                "offset": 401,
                "slope": 0.05619
            }
        },
        {
            "rpi.sdn": { }
        },
        {
            "rpi.awb":
            {
                "bayes": 0
            }
        },
        {
            "rpi.agc":
            {
                "metering_modes":
                {
                    "centre-weighted":
                    {
                        "weights": [ 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0 ]
                    },
                    "spot":
                    {
                        "weights": [ 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ]
                    },
                    "matrix":
                    {
                        "weights": [ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ]
                    }
                },
                "exposure_modes":
                {
                    "normal":
                    {
                        "shutter": [ 100, 10000, 30000, 60000, 66666 ],
                        "gain": [ 1.0, 2.0, 4.0, 6.0, 8.0 ]
                    },
                    "short":
                    {
                        "shutter": [ 100, 5000, 10000, 20000, 33333 ],
                        "gain": [ 1.0, 2.0, 4.0, 6.0, 8.0 ]
                    },
                    "long":
                    {
                        "shutter": [ 100, 10000, 30000, 60000, 120000 ],
                        "gain": [ 1.0, 2.0, 4.0, 6.0, 12.0 ]
                    }
                },
                "constraint_modes":
                {
                    "normal": [
                        {
                            "bound": "LOWER",
                            "q_lo": 0.98,
                            "q_hi": 1.0,
                            "y_target":
                            [
                                0, 0.5,
                                1000, 0.5
                            ]
                        }
                    ],
                    "highlight": [
                        {
                            "bound": "LOWER",
                            "q_lo": 0.98,
                            "q_hi": 1.0,
                            "y_target":
                            [
                                0, 0.5,
                                1000, 0.5
                            ]
                        },
                        {
                            "bound": "UPPER",
                            "q_lo": 0.98,
                            "q_hi": 1.0,
                            "y_target":
                            [
                                0, 0.8,
                                1000, 0.8
                            ]
                        }
                    ],
                    "shadows": [
                        {
                            "bound": "LOWER",
                            "q_lo": 0.0,
                            "q_hi": 0.5,
                            "y_target":
                            [
                                0, 0.17,
                                1000, 0.17
                            ]
                        }
                    ]
                },
                "y_target":
                [
                    0, 0.16,
                    1000, 0.165,
                    10000, 0.17
                ],
                "base_ev": 1.25
            }
        },
        {
            "rpi.alsc":
            {
                "omega": 1.3,
                "n_iter": 100,
                "luminance_strength": 0.5,
                "calibrations_Cr": [
                    {
                        "ct": 3000,
                        "table":
                        [
                            1.105, 1.103, 1.093, 1.083, 1.071, 1.065, 1.065, 1.065, 1.066, 1.069, 1.072, 1.077, 1.084, 1.089, 1.093, 1.093,
                            1.103, 1.096, 1.084, 1.072, 1.059, 1.051, 1.047, 1.047, 1.051, 1.053, 1.059, 1.067, 1.075, 1.082, 1.085, 1.086,
                            1.096, 1.084, 1.072, 1.059, 1.051, 1.045, 1.039, 1.038, 1.039, 1.045, 1.049, 1.057, 1.063, 1.072, 1.081, 1.082,
                            1.092, 1.075, 1.061, 1.052, 1.045, 1.039, 1.036, 1.035, 1.035, 1.039, 1.044, 1.049, 1.056, 1.063, 1.072, 1.081,
                            1.092, 1.073, 1.058, 1.048, 1.043, 1.038, 1.035, 1.033, 1.033, 1.035, 1.039, 1.044, 1.051, 1.057, 1.069, 1.078,
                            1.091, 1.068, 1.054, 1.045, 1.041, 1.038, 1.035, 1.032, 1.032, 1.032, 1.036, 1.041, 1.045, 1.055, 1.069, 1.078,
                            1.091, 1.068, 1.052, 1.043, 1.041, 1.038, 1.035, 1.032, 1.031, 1.032, 1.034, 1.036, 1.043, 1.055, 1.069, 1.078,
                            1.092, 1.068, 1.052, 1.047, 1.042, 1.041, 1.038, 1.035, 1.032, 1.032, 1.035, 1.039, 1.043, 1.055, 1.071, 1.079,
                            1.092, 1.073, 1.057, 1.051, 1.047, 1.047, 1.044, 1.041, 1.038, 1.038, 1.039, 1.043, 1.051, 1.059, 1.076, 1.083,
                            1.092, 1.081, 1.068, 1.058, 1.056, 1.056, 1.053, 1.052, 1.049, 1.048, 1.048, 1.051, 1.059, 1.066, 1.083, 1.085,
                            1.091, 1.087, 1.081, 1.068, 1.065, 1.064, 1.062, 1.062, 1.061, 1.056, 1.056, 1.056, 1.064, 1.069, 1.084, 1.089,
                            1.091, 1.089, 1.085, 1.079, 1.069, 1.068, 1.067, 1.067, 1.067, 1.063, 1.061, 1.063, 1.068, 1.069, 1.081, 1.092
                        ]
                    },
                    {
                        "ct": 5000,
                        "table":
                        [
                            1.486, 1.484, 1.468, 1.449, 1.427, 1.403, 1.399, 1.399, 1.399, 1.404, 1.413, 1.433, 1.454, 1.473, 1.482, 1.488,
                            1.484, 1.472, 1.454, 1.431, 1.405, 1.381, 1.365, 1.365, 1.367, 1.373, 1.392, 1.411, 1.438, 1.458, 1.476, 1.481,
                            1.476, 1.458, 1.433, 1.405, 1.381, 1.361, 1.339, 1.334, 1.334, 1.346, 1.362, 1.391, 1.411, 1.438, 1.462, 1.474,
                            1.471, 1.443, 1.417, 1.388, 1.361, 1.339, 1.321, 1.313, 1.313, 1.327, 1.346, 1.362, 1.391, 1.422, 1.453, 1.473,
                            1.469, 1.439, 1.408, 1.377, 1.349, 1.321, 1.312, 1.299, 1.299, 1.311, 1.327, 1.348, 1.378, 1.415, 1.446, 1.468,
                            1.468, 1.434, 1.402, 1.371, 1.341, 1.316, 1.299, 1.296, 1.295, 1.299, 1.314, 1.338, 1.371, 1.408, 1.441, 1.466,
                            1.468, 1.434, 1.401, 1.371, 1.341, 1.316, 1.301, 1.296, 1.295, 1.297, 1.314, 1.338, 1.369, 1.408, 1.441, 1.465,
                            1.469, 1.436, 1.401, 1.374, 1.348, 1.332, 1.315, 1.301, 1.301, 1.313, 1.324, 1.342, 1.372, 1.409, 1.442, 1.465,
                            1.471, 1.444, 1.413, 1.388, 1.371, 1.348, 1.332, 1.323, 1.323, 1.324, 1.342, 1.362, 1.386, 1.418, 1.449, 1.467,
                            1.473, 1.454, 1.431, 1.407, 1.388, 1.371, 1.359, 1.352, 1.351, 1.351, 1.362, 1.383, 1.404, 1.433, 1.462, 1.472,
                            1.474, 1.461, 1.447, 1.424, 1.407, 1.394, 1.385, 1.381, 1.379, 1.381, 1.383, 1.401, 1.419, 1.444, 1.466, 1.481,
                            1.474, 1.464, 1.455, 1.442, 1.421, 1.408, 1.403, 1.403, 1.403, 1.399, 1.402, 1.415, 1.432, 1.446, 1.467, 1.483
                        ]
                    },
                    {
                        "ct": 6500,
                        "table":
                        [
                            1.567, 1.565, 1.555, 1.541, 1.525, 1.518, 1.518, 1.518, 1.521, 1.527, 1.532, 1.541, 1.551, 1.559, 1.567, 1.569,
                            1.565, 1.557, 1.542, 1.527, 1.519, 1.515, 1.511, 1.516, 1.519, 1.524, 1.528, 1.533, 1.542, 1.553, 1.559, 1.562,
                            1.561, 1.546, 1.532, 1.521, 1.518, 1.515, 1.511, 1.516, 1.519, 1.524, 1.528, 1.529, 1.533, 1.542, 1.554, 1.559,
                            1.561, 1.539, 1.526, 1.524, 1.521, 1.521, 1.522, 1.524, 1.525, 1.531, 1.529, 1.529, 1.531, 1.538, 1.549, 1.558,
                            1.559, 1.538, 1.526, 1.525, 1.524, 1.528, 1.534, 1.536, 1.536, 1.536, 1.532, 1.529, 1.531, 1.537, 1.548, 1.556,
                            1.561, 1.537, 1.525, 1.524, 1.526, 1.532, 1.537, 1.539, 1.538, 1.537, 1.532, 1.529, 1.529, 1.537, 1.546, 1.556,
                            1.561, 1.536, 1.524, 1.522, 1.525, 1.532, 1.538, 1.538, 1.537, 1.533, 1.528, 1.526, 1.527, 1.536, 1.546, 1.555,
                            1.561, 1.537, 1.522, 1.521, 1.524, 1.531, 1.536, 1.537, 1.534, 1.529, 1.526, 1.522, 1.523, 1.534, 1.547, 1.555,
                            1.561, 1.538, 1.524, 1.522, 1.526, 1.531, 1.535, 1.535, 1.534, 1.527, 1.524, 1.522, 1.522, 1.535, 1.549, 1.556,
                            1.558, 1.543, 1.532, 1.526, 1.526, 1.529, 1.534, 1.535, 1.533, 1.526, 1.523, 1.522, 1.524, 1.537, 1.552, 1.557,
                            1.555, 1.546, 1.541, 1.528, 1.527, 1.528, 1.531, 1.533, 1.531, 1.527, 1.522, 1.522, 1.526, 1.536, 1.552, 1.561,
                            1.555, 1.547, 1.542, 1.538, 1.526, 1.526, 1.529, 1.531, 1.529, 1.528, 1.519, 1.519, 1.527, 1.531, 1.543, 1.561
                        ]
                    }
                ],
                "calibrations_Cb": [
                    {
                        "ct": 3000,
                        "table":
                        [
                            1.684, 1.688, 1.691, 1.697, 1.709, 1.722, 1.735, 1.745, 1.747, 1.745, 1.731, 1.719, 1.709, 1.705, 1.699, 1.699,
                            1.684, 1.689, 1.694, 1.708, 1.721, 1.735, 1.747, 1.762, 1.762, 1.758, 1.745, 1.727, 1.716, 1.707, 1.701, 1.699,
                            1.684, 1.691, 1.704, 1.719, 1.734, 1.755, 1.772, 1.786, 1.789, 1.788, 1.762, 1.745, 1.724, 1.709, 1.702, 1.698,
                            1.682, 1.694, 1.709, 1.729, 1.755, 1.773, 1.798, 1.815, 1.817, 1.808, 1.788, 1.762, 1.733, 1.714, 1.704, 1.699,
                            1.682, 1.693, 1.713, 1.742, 1.772, 1.798, 1.815, 1.829, 1.831, 1.821, 1.807, 1.773, 1.742, 1.716, 1.703, 1.699,
                            1.681, 1.693, 1.713, 1.742, 1.772, 1.799, 1.828, 1.839, 1.839, 1.828, 1.807, 1.774, 1.742, 1.715, 1.699, 1.695,
                            1.679, 1.691, 1.712, 1.739, 1.771, 1.798, 1.825, 1.829, 1.831, 1.818, 1.801, 1.774, 1.738, 1.712, 1.695, 1.691,
                            1.676, 1.685, 1.703, 1.727, 1.761, 1.784, 1.801, 1.817, 1.817, 1.801, 1.779, 1.761, 1.729, 1.706, 1.691, 1.684,
                            1.669, 1.678, 1.692, 1.714, 1.741, 1.764, 1.784, 1.795, 1.795, 1.779, 1.761, 1.738, 1.713, 1.696, 1.683, 1.679,
                            1.664, 1.671, 1.679, 1.693, 1.716, 1.741, 1.762, 1.769, 1.769, 1.753, 1.738, 1.713, 1.701, 1.687, 1.681, 1.676,
                            1.661, 1.664, 1.671, 1.679, 1.693, 1.714, 1.732, 1.739, 1.739, 1.729, 1.708, 1.701, 1.685, 1.679, 1.676, 1.677,
                            1.659, 1.661, 1.664, 1.671, 1.679, 1.693, 1.712, 1.714, 1.714, 1.708, 1.701, 1.687, 1.679, 1.672, 1.673, 1.677
                        ]
                    },
                    {
                        "ct": 5000,
                        "table":
                        [
                            1.177, 1.183, 1.187, 1.191, 1.197, 1.206, 1.213, 1.215, 1.215, 1.215, 1.211, 1.204, 1.196, 1.191, 1.183, 1.182,
                            1.179, 1.185, 1.191, 1.196, 1.206, 1.217, 1.224, 1.229, 1.229, 1.226, 1.221, 1.212, 1.202, 1.195, 1.188, 1.182,
                            1.183, 1.191, 1.196, 1.206, 1.217, 1.229, 1.239, 1.245, 1.245, 1.245, 1.233, 1.221, 1.212, 1.199, 1.193, 1.187,
                            1.183, 1.192, 1.201, 1.212, 1.229, 1.241, 1.252, 1.259, 1.259, 1.257, 1.245, 1.233, 1.217, 1.201, 1.194, 1.192,
                            1.183, 1.192, 1.202, 1.219, 1.238, 1.252, 1.261, 1.269, 1.268, 1.261, 1.257, 1.241, 1.223, 1.204, 1.194, 1.191,
                            1.182, 1.192, 1.202, 1.219, 1.239, 1.255, 1.266, 1.271, 1.271, 1.265, 1.258, 1.242, 1.223, 1.205, 1.192, 1.191,
                            1.181, 1.189, 1.199, 1.218, 1.239, 1.254, 1.262, 1.268, 1.268, 1.258, 1.253, 1.241, 1.221, 1.204, 1.191, 1.187,
                            1.179, 1.184, 1.193, 1.211, 1.232, 1.243, 1.254, 1.257, 1.256, 1.253, 1.242, 1.232, 1.216, 1.199, 1.187, 1.183,
                            1.174, 1.179, 1.187, 1.202, 1.218, 1.232, 1.243, 1.246, 1.246, 1.239, 1.232, 1.218, 1.207, 1.191, 1.183, 1.179,
                            1.169, 1.175, 1.181, 1.189, 1.202, 1.218, 1.229, 1.232, 1.232, 1.224, 1.218, 1.207, 1.199, 1.185, 1.181, 1.174,
                            1.164, 1.168, 1.175, 1.179, 1.189, 1.201, 1.209, 1.213, 1.213, 1.209, 1.201, 1.198, 1.186, 1.181, 1.174, 1.173,
                            1.161, 1.166, 1.171, 1.175, 1.179, 1.189, 1.197, 1.198, 1.198, 1.197, 1.196, 1.186, 1.182, 1.175, 1.173, 1.173
                        ]
                    },
                    {
                        "ct": 6500,
                        "table":
                        [
                            1.166, 1.171, 1.173, 1.178, 1.187, 1.193, 1.201, 1.205, 1.205, 1.205, 1.199, 1.191, 1.184, 1.179, 1.174, 1.171,
                            1.166, 1.172, 1.176, 1.184, 1.195, 1.202, 1.209, 1.216, 1.216, 1.213, 1.208, 1.201, 1.189, 1.182, 1.176, 1.171,
                            1.166, 1.173, 1.183, 1.195, 1.202, 1.214, 1.221, 1.228, 1.229, 1.228, 1.221, 1.209, 1.201, 1.186, 1.179, 1.174,
                            1.165, 1.174, 1.187, 1.201, 1.214, 1.223, 1.235, 1.241, 1.242, 1.241, 1.229, 1.221, 1.205, 1.188, 1.181, 1.177,
                            1.165, 1.174, 1.189, 1.207, 1.223, 1.235, 1.242, 1.253, 1.252, 1.245, 1.241, 1.228, 1.211, 1.189, 1.181, 1.178,
                            1.164, 1.173, 1.189, 1.207, 1.224, 1.238, 1.249, 1.255, 1.255, 1.249, 1.242, 1.228, 1.211, 1.191, 1.179, 1.176,
                            1.163, 1.172, 1.187, 1.207, 1.223, 1.237, 1.245, 1.253, 1.252, 1.243, 1.237, 1.228, 1.207, 1.188, 1.176, 1.173,
                            1.159, 1.167, 1.179, 1.199, 1.217, 1.227, 1.237, 1.241, 1.241, 1.237, 1.228, 1.217, 1.201, 1.184, 1.174, 1.169,
                            1.156, 1.164, 1.172, 1.189, 1.205, 1.217, 1.226, 1.229, 1.229, 1.222, 1.217, 1.204, 1.192, 1.177, 1.171, 1.166,
                            1.154, 1.159, 1.166, 1.177, 1.189, 1.205, 1.213, 1.216, 1.216, 1.209, 1.204, 1.192, 1.183, 1.172, 1.168, 1.162,
                            1.152, 1.155, 1.161, 1.166, 1.177, 1.188, 1.195, 1.198, 1.199, 1.196, 1.187, 1.183, 1.173, 1.168, 1.163, 1.162,
                            1.151, 1.154, 1.158, 1.162, 1.168, 1.177, 1.183, 1.184, 1.184, 1.184, 1.182, 1.172, 1.168, 1.165, 1.162, 1.161
                        ]
                    }
                ],
                "luminance_lut":
                [
                    2.236, 2.111, 1.912, 1.741, 1.579, 1.451, 1.379, 1.349, 1.349, 1.361, 1.411, 1.505, 1.644, 1.816, 2.034, 2.159,
                    2.139, 1.994, 1.796, 1.625, 1.467, 1.361, 1.285, 1.248, 1.239, 1.265, 1.321, 1.408, 1.536, 1.703, 1.903, 2.087,
                    2.047, 1.898, 1.694, 1.511, 1.373, 1.254, 1.186, 1.152, 1.142, 1.166, 1.226, 1.309, 1.441, 1.598, 1.799, 1.978,
                    1.999, 1.824, 1.615, 1.429, 1.281, 1.179, 1.113, 1.077, 1.071, 1.096, 1.153, 1.239, 1.357, 1.525, 1.726, 1.915,
                    1.976, 1.773, 1.563, 1.374, 1.222, 1.119, 1.064, 1.032, 1.031, 1.049, 1.099, 1.188, 1.309, 1.478, 1.681, 1.893,
                    1.973, 1.756, 1.542, 1.351, 1.196, 1.088, 1.028, 1.011, 1.004, 1.029, 1.077, 1.169, 1.295, 1.459, 1.663, 1.891,
                    1.973, 1.761, 1.541, 1.349, 1.193, 1.087, 1.031, 1.006, 1.006, 1.023, 1.075, 1.169, 1.298, 1.463, 1.667, 1.891,
                    1.982, 1.789, 1.568, 1.373, 1.213, 1.111, 1.051, 1.029, 1.024, 1.053, 1.106, 1.199, 1.329, 1.495, 1.692, 1.903,
                    2.015, 1.838, 1.621, 1.426, 1.268, 1.159, 1.101, 1.066, 1.068, 1.099, 1.166, 1.259, 1.387, 1.553, 1.751, 1.937,
                    2.076, 1.911, 1.692, 1.507, 1.346, 1.236, 1.169, 1.136, 1.139, 1.174, 1.242, 1.349, 1.475, 1.641, 1.833, 2.004,
                    2.193, 2.011, 1.798, 1.604, 1.444, 1.339, 1.265, 1.235, 1.237, 1.273, 1.351, 1.461, 1.598, 1.758, 1.956, 2.125,
                    2.263, 2.154, 1.916, 1.711, 1.549, 1.432, 1.372, 1.356, 1.356, 1.383, 1.455, 1.578, 1.726, 1.914, 2.119, 2.211
                ],
                "sigma": 0.006,
                "sigma_Cb": 0.00208
            }
        },
        {
            "rpi.contrast":
            {
                "ce_enable": 1,
                "gamma_curve":
                [
                    0, 0,
                    1024, 5040,
                    2048, 9338,
                    3072, 12356,
                    4096, 15312,
                    5120, 18051,
                    6144, 20790,
                    7168, 23193,
                    8192, 25744,
                    9216, 27942,
                    10240, 30035,
                    11264, 32005,
                    12288, 33975,
                    13312, 35815,
                    14336, 37600,
                    15360, 39168,
                    16384, 40642,
                    18432, 43379,
                    20480, 45749,
                    22528, 47753,
                    24576, 49621,
                    26624, 51253,
                    28672, 52698,
                    30720, 53796,
                    32768, 54876,
                    36864, 57012,
                    40960, 58656,
                    45056, 59954,
                    49152, 61183,
                    53248, 62355,
                    57344, 63419,
                    61440, 64476,
                    65535, 65535
                ]
            }
        },
        {
            "rpi.ccm":
            {
                "ccms": [
                    {
                        "ct": 2500,
                        "ccm":
                        [
                            1.70741, -0.05307, -0.65433,
                            -0.62822, 1.68836, -0.06014,
                            -0.04452, -1.87628, 2.92079
                        ]
                    },
                    {
                        "ct": 2803,
                        "ccm":
                        [
                            1.74383, -0.18731, -0.55652,
                            -0.56491, 1.67772, -0.11281,
                            -0.01522, -1.60635, 2.62157
                        ]
                    },
                    {
                        "ct": 2912,
                        "ccm":
                        [
                            1.75215, -0.22221, -0.52995,
                            -0.54568, 1.63522, -0.08954,
                            0.02633, -1.56997, 2.54364
                        ]
                    },
                    {
                        "ct": 2914,
                        "ccm":
                        [
                            1.72423, -0.28939, -0.43484,
                            -0.55188, 1.62925, -0.07737,
                            0.01959, -1.28661, 2.26702
                        ]
                    },
                    {
                        "ct": 3605,
                        "ccm":
                        [
                            1.80381, -0.43646, -0.36735,
                            -0.46505, 1.56814, -0.10309,
                            0.00929, -1.00424, 1.99495
                        ]
                    },
                    {
                        "ct": 4540,
                        "ccm":
                        [
                            1.85263, -0.46545, -0.38719,
                            -0.44136, 1.68443, -0.24307,
                            0.04108, -0.85599, 1.81491
                        ]
                    },
                    {
                        "ct": 5699,
                        "ccm":
                        [
                            1.98595, -0.63542, -0.35054,
                            -0.34623, 1.54146, -0.19522,
                            0.00411, -0.70936, 1.70525
                        ]
                    },
                    {
                        "ct": 8625,
                        "ccm":
                        [
                            2.21637, -0.56663, -0.64974,
                            -0.41133, 1.96625, -0.55492,
                            -0.02307, -0.83529, 1.85837
                        ]
                    }
                ]
            }
        },
        {
            "rpi.sharpen": { }
        }
    ]
}
Age	Commit message (Expand)	Author
2022-07-27	raspberrypi: Update Copyright statement in all Raspberry Pi source files	Naushir Patuck
2022-03-28	ipa: libipa: Histogram: Constify the constructor span	Jean-Michel Hautbois
2021-11-24	ipa: libipa: Convert to pragma once	Kieran Bingham
2021-06-25	libcamera/base: Move span to base library	Kieran Bingham
2021-04-22	ipa: ipu3: Add a histogram class	Jean-Michel Hautbois