Live processing pipeline
========================

The **live_processing_pipeline.json** file ...

```json
{
    "argaze.ArUcoMarker.ArUcoCamera.ArUcoCamera": {
        "name": "Camera",
        "size": [1920, 1080],
        "aruco_detector": {
            "dictionary": "DICT_APRILTAG_16h5",
            "optic_parameters": "optic_parameters.json",
            "parameters": "detector_parameters.json"
        },
        "gaze_movement_identifier": {
            "argaze.GazeAnalysis.DispersionThresholdIdentification.GazeMovementIdentifier": {
                "deviation_max_threshold": 25,
                "duration_min_threshold": 150
            }
        },
        "filter_in_progress_identification": false,
        "scenes": {
            "Cockpit": {
                "aruco_markers_group": "aruco_scene.obj",
                "layers": {
                    "Main" : {
                        "aoi_scene": "aoi/Cockpit.obj"
                    }
                },
                "frames": {
                    "PIC_PFD": {
                        "size": [960, 1080],
                        "background": "aoi/PIC_PFD.png",
                        "gaze_movement_identifier": {
                            "argaze.GazeAnalysis.DispersionThresholdIdentification.GazeMovementIdentifier": {
                                "deviation_max_threshold": 50,
                                "duration_min_threshold": 150
                            }
                        },
                        "layers": {
                            "Main": {
                                "aoi_scene": "aoi/PIC_PFD.svg"
                            }
                        },
                        "image_parameters": {
                            "background_weight": 1,
                            "draw_gaze_positions": {
                                "color": [0, 255, 255],
                                "size": 15
                            }
                        }
                    }
                },
                "angle_tolerance": 15.0,
                "distance_tolerance": 10.0
            }
        },
        "layers": {
            "Main": {
                "aoi_matcher": {
                    "argaze.GazeAnalysis.DeviationCircleCoverage.AOIMatcher": {
                        "coverage_threshold": 0.25
                    }
                }        
            }
        },
        "image_parameters": {
            "background_weight": 1,
            "draw_gaze_positions": {
                "color": [0, 255, 255],
                "size": 4
            },
            "draw_detected_markers": {
                "color": [0, 255, 0],
                "draw_axes": {
                    "thickness": 4
                }
            },
            "draw_fixations": {
                "deviation_circle_color": [255, 127, 255],
                "duration_border_color": [127, 0, 127],
                "duration_factor": 1e-2
            },
            "draw_layers": {
                "Main": {
                    "draw_aoi_scene": {
                        "draw_aoi": {
                            "color": [0, 255, 255],
                            "border_size": 1
                        }
                    },
                    "draw_aoi_matching": {
                        "update_looked_aoi": true,
                        "draw_matched_fixation": {
                            "deviation_circle_color": [255, 255, 255],
                            "draw_positions": {
                                "position_color": [0, 255, 0],
                                "line_color": [0, 0, 0]
                            }
                        },
                        "draw_matched_region": {
                            "color": [0, 255, 0],
                            "border_size": 4
                        },
                        "draw_looked_aoi": {
                            "color": [0, 255, 0],
                            "border_size": 2
                        },
                        "looked_aoi_name_color": [255, 255, 255],
                        "looked_aoi_name_offset": [0, -10]
                    }
                }
            }
        },
        "observers": {
            "observers.ArUcoCameraLogger": {}
        }
    }
}
```

The **live_processing_pipeline.json** also mentions other files which are described below.

## optic_parameters.json

```json
{
    "rms": 0.6688921504088245,
    "dimensions": [
        1920,
        1080
    ],
    "K": [
        [
            1135.6524381415752,
            0.0,
            956.0685325355497
        ],
        [
            0.0,
            1135.9272506869524,
            560.059099810324
        ],
        [
            0.0,
            0.0,
            1.0
        ]
    ],
    "D": [
        0.01655492265003404,
        0.1985524264972037,
        0.002129965902489484,
        -0.0019528582922179365,
        -0.5792910353639452
    ]
}
```

## detector_parameters.json

```json
{
    "adaptiveThreshConstant": 7,
    "useAruco3Detection": 1
}
```

## aruco_scene.obj

```obj
# Blender v3.0.1 OBJ File: 'scene.blend'
# www.blender.org
o DICT_APRILTAG_16h5#11_Marker
v -27.600000 29.075905 -51.042164
v -24.400000 29.075905 -51.042164
v -27.600000 31.927124 -52.494930
v -24.400000 31.927124 -52.494930
s off
f 1 2 4 3
o DICT_APRILTAG_16h5#14_Marker
v -27.280746 14.890414 -43.814297
v -24.080746 14.890414 -43.814297
v -27.280746 17.741634 -45.267063
v -24.080746 17.741634 -45.267063
s off
f 5 6 8 7
o DICT_APRILTAG_16h5#13_Marker
v -12.126360 14.872046 -43.804939
v -8.926359 14.872046 -43.804939
v -12.126360 17.723267 -45.257706
v -8.926359 17.723267 -45.257706
s off
f 9 10 12 11
o DICT_APRILTAG_16h5#12_Marker
v -43.079227 14.890414 -43.814297
v -39.879230 14.890414 -43.814297
v -43.079227 17.741634 -45.267063
v -39.879230 17.741634 -45.267063
s off
f 13 14 16 15

```

## aoi/Cockpit.obj

```obj
# Blender v3.0.1 OBJ File: 'scene.blend'
# www.blender.org
o PIC_PFD
v -43.208000 32.020378 -52.542446
v -26.000000 32.020378 -52.542446
v -43.208000 14.779404 -43.757732
v -26.000000 14.779404 -43.757732
s off
f 3 4 2 1
```

## aoi/PIC_PFD.png

![PFD frame background](../../img/haiku_PIC_PFD_background.png)

## aoi/PIC_PFD.svg

```svg
<svg>
    <rect id="PIC_PFD_Air_Speed" x="93.228" y="193.217" width="135.445" height="571.812"/>
    <rect id="PIC_PFD_Altitude" x="686.079" y="193.217" width="133.834" height="571.812"/>
    <rect id="PIC_PFD_FMA_Mode" x="93.228" y="85.231" width="772.943" height="107.986"/>
    <rect id="PIC_PFD_Heading" x="228.673" y="765.029" width="480.462" height="139.255"/>
    <rect id="PIC_PFD_Attitude" x="228.673" y="193.217" width="457.406" height="571.812"/>
    <rect id="PIC_PFD_Vertical_Speed" x="819.913" y="193.217" width="85.185" height="609.09"/>
</svg>
```