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syntax = "proto2";

package ltpb;

import "point2f.proto";
import "rectanglei.proto";

message Distortion {
    optional Polynomial polynomial = 1;
    message Polynomial {
        required Point2F distortion_center = 1;
        required Point2F normalization = 2;
        repeated float coeffs = 3 [packed = true];
        optional float fit_cost = 4;
        optional RectangleI valid_roi = 5;
    }
    
    optional CRA cra = 2;
    message CRA {
        required Point2F distortion_center = 1;
        required float sensor_distance = 2;
        required float exit_pupil_distance = 3;
        required float pixel_size = 4;
        repeated Point2F cra = 5;
        repeated Point2F coeffs = 6;
        optional float fit_cost = 7;
        optional RectangleI valid_roi = 8;
        optional float lens_hall_code = 9;
        optional float distance_hall_ratio = 10;
    }
}