{"about": "SCION 33 trace, measured from the render: x_screen/y_screen are the dog silhouette centroid (px, in that frame camera), facing is measured on screen (head left of centroid = +1, toward the door), x_score is the rig root in world metres (= the score x mapping, 1 m = 1 m).", "camera": "two fixed set-ups, one cut at 20.5 s (A: wide, B: closer on the sill); x_world_measured back-projects the measured centroid through that frame camera onto the plane of the path", "summary": {"onsets_measured": [{"choice": "watch -> retreat", "score_t": 1.0, "measure": "dog centroid moves right (away from the door) > 1.5 px from its 0.9 s position", "t": 1.042, "dt": 0.042, "within_0.25s": true}, {"choice": "retreat -> watch", "score_t": 2.333, "measure": "head rises on screen: head y > 2 px above its lowest point of the retreat (1.4-2.2 s)", "t": 2.333, "dt": 0.0, "within_0.25s": true}, {"choice": "watch -> refuse", "score_t": 3.417, "measure": "muzzle direction on screen turns > 10 deg from its 3.3 s heading (the head leads the turn)", "t": 3.458, "dt": 0.041, "within_0.25s": true}, {"choice": "refuse: back shown", "score_t": null, "measure": "head right of the body centroid (facing measured -1)", "t": 3.75, "dt": null, "within_0.25s": null}, {"choice": "refuse -> watch", "score_t": 7.458, "measure": "head lifts > 2 px off the paws (from its 7.3 s rest)", "t": 7.458, "dt": 0.0, "within_0.25s": true}, {"choice": "watch -> approach", "score_t": 14.708, "measure": "the rump (right edge of the silhouette) moves left, toward the door, > 1.5 px from its 14.5 s hold (the head lowering from 14.42 s moves the centroid first, so the centroid is not used here)", "t": 14.75, "dt": 0.042, "within_0.25s": true}, {"choice": "approach -> lie_down", "score_t": 23.792, "measure": "silhouette top drops > 3 px below its 23.6 s height", "t": 23.875, "dt": 0.083, "within_0.25s": true}, {"choice": "hears come in: looks in", "score_t": 26.4, "measure": "muzzle direction on screen turns > 8 deg or head rises > 2 px from its 26.2 s pose", "t": 26.417, "dt": 0.017, "within_0.25s": true}, {"choice": "settles, chin on paws, stays", "score_t": null, "measure": "head drops > 3 px below its look-in height after 27.8 s", "t": 28.0, "dt": null, "within_0.25s": null}], "approach_head_low": {"frames": 218, "head_below_back_line": 218, "min_px_below": 15.6, "mean_px_below": 24.86}, "end_pose": {"x_score": 0.59, "nose_x_world": -0.124, "tail_tip_x_world": 1.29, "house_wall_outer_x": 0.4, "house_wall_inner_x": 0.24, "sill_x": 0.56, "reading": "nose inside the inner face of the wall, body centre outside the sill edge, tail on the porch"}, "min_x_score": 0.59}, "frames": [{"i": 0, "t": 0.0, "state": "watch", "x_score": 3.0, "x_screen": 791.76, "y_screen": 425.32, "camera": "A", "x_world_measured": 2.9679, "facing": 1, "posture": "standing, head up", "head_screen": [684.9, 357.8], "muzzle_screen": [653.8, 348.7], "back_line_y": 382.0, "head_below_back_px": -24.2, "bbox": [644, 330, 922, 531], "nose_x_world": 2.323, "tail_tip_x_world": 3.488}, {"i": 1, "t": 0.0417, "state": "watch", "x_score": 3.0, "x_screen": 791.75, "y_screen": 425.68, "camera": "A", "x_world_measured": 2.9679, "facing": 1, "posture": "standing, head up", "head_screen": [684.9, 358.2], "muzzle_screen": [653.8, 349.1], "back_line_y": 382.4, "head_below_back_px": -24.2, "bbox": [644, 329, 922, 531], "nose_x_world": 2.323, "tail_tip_x_world": 3.488}, {"i": 2, "t": 0.0833, "state": "watch", "x_score": 3.0, "x_screen": 791.74, "y_screen": 426.07, "camera": "A", "x_world_measured": 2.9679, "facing": 1, "posture": "standing, head up", "head_screen": [684.9, 358.6], "muzzle_screen": [653.8, 349.5], "back_line_y": 382.8, "head_below_back_px": -24.2, "bbox": [644, 329, 922, 531], "nose_x_world": 2.323, "tail_tip_x_world": 3.488}, {"i": 3, "t": 0.125, "state": "watch", "x_score": 3.0, "x_screen": 791.62, "y_screen": 426.32, "camera": "A", "x_world_measured": 2.9674, "facing": 1, "posture": "standing, head up", "head_screen": [684.9, 359.0], "muzzle_screen": [653.8, 349.9], "back_line_y": 383.2, "head_below_back_px": -24.2, "bbox": [644, 329, 922, 531], "nose_x_world": 2.323, "tail_tip_x_world": 3.488}, {"i": 4, "t": 0.1667, "state": "watch", "x_score": 3.0, "x_screen": 791.66, "y_screen": 426.66, "camera": "A", "x_world_measured": 2.9676, "facing": 1, "posture": "standing, head up", "head_screen": [684.9, 359.2], "muzzle_screen": [653.8, 350.1], "back_line_y": 383.5, "head_below_back_px": -24.2, "bbox": [644, 330, 922, 531], "nose_x_world": 2.323, "tail_tip_x_world": 3.488}, {"i": 5, "t": 0.2083, "state": "watch", "x_score": 3.0, "x_screen": 791.48, "y_screen": 426.84, "camera": "A", "x_world_measured": 2.9669, "facing": 1, "posture": "standing, head up", "head_screen": [684.9, 359.5], "muzzle_screen": [653.8, 350.4], "back_line_y": 383.7, "head_below_back_px": -24.2, "bbox": [644, 330, 922, 531], "nose_x_world": 2.323, "tail_tip_x_world": 3.488}, {"i": 6, "t": 0.25, "state": "watch", "x_score": 3.0, "x_screen": 791.59, "y_screen": 427.07, "camera": "A", "x_world_measured": 2.9674, "facing": 1, "posture": "standing, head up", "head_screen": [684.9, 359.6], "muzzle_screen": [653.8, 350.5], "back_line_y": 383.9, "head_below_back_px": -24.2, "bbox": [644, 330, 922, 531], "nose_x_world": 2.323, "tail_tip_x_world": 3.488}, {"i": 7, "t": 0.2917, "state": "watch", "x_score": 3.0, "x_screen": 791.61, "y_screen": 427.21, "camera": "A", "x_world_measured": 2.9675, "facing": 1, "posture": "standing, head up", "head_screen": [684.9, 359.7], "muzzle_screen": [653.8, 350.6], "back_line_y": 384.0, "head_below_back_px": -24.2, "bbox": [644, 330, 922, 531], "nose_x_world": 2.323, "tail_tip_x_world": 3.488}, {"i": 8, "t": 0.3333, "state": "watch", "x_score": 3.0, "x_screen": 791.49, "y_screen": 427.29, "camera": "A", "x_world_measured": 2.9669, "facing": 1, "posture": "standing, head up", "head_screen": [684.9, 359.8], "muzzle_screen": [653.8, 350.7], "back_line_y": 384.1, "head_below_back_px": -24.2, "bbox": [644, 330, 922, 531], "nose_x_world": 2.323, "tail_tip_x_world": 3.488}, {"i": 9, "t": 0.375, "state": "watch", "x_score": 3.0, "x_screen": 791.58, "y_screen": 427.4, "camera": "A", "x_world_measured": 2.9673, "facing": 1, "posture": "standing, head up", "head_screen": [684.9, 359.9], "muzzle_screen": [653.8, 350.8], "back_line_y": 384.1, "head_below_back_px": -24.2, "bbox": [644, 330, 922, 531], "nose_x_world": 2.323, "tail_tip_x_world": 3.487}, {"i": 10, "t": 0.4167, "state": "watch", "x_score": 3.0, "x_screen": 791.56, "y_screen": 427.39, "camera": "A", "x_world_measured": 2.9672, "facing": 1, "posture": "standing, head up", "head_screen": [684.9, 359.9], "muzzle_screen": [653.8, 350.8], "back_line_y": 384.2, "head_below_back_px": -24.2, "bbox": [644, 330, 922, 531], "nose_x_world": 2.323, "tail_tip_x_world": 3.487}, {"i": 11, "t": 0.4583, "state": "watch", "x_score": 3.0, "x_screen": 791.49, "y_screen": 427.38, "camera": "A", "x_world_measured": 2.967, "facing": 1, "posture": "standing, head up", "head_screen": [684.9, 359.9], "muzzle_screen": [653.8, 350.8], "back_line_y": 384.2, "head_below_back_px": -24.2, "bbox": [644, 330, 922, 531], "nose_x_world": 2.323, "tail_tip_x_world": 3.487}, {"i": 12, "t": 0.5, "state": "watch", "x_score": 3.0, "x_screen": 791.43, "y_screen": 427.35, "camera": "A", "x_world_measured": 2.9667, "facing": 1, "posture": "standing, head up", "head_screen": [684.9, 360.0], "muzzle_screen": [653.8, 350.9], "back_line_y": 384.2, "head_below_back_px": -24.2, "bbox": [644, 330, 921, 531], "nose_x_world": 2.323, "tail_tip_x_world": 3.487}, {"i": 13, "t": 0.5417, "state": "watch", "x_score": 3.0, "x_screen": 791.43, "y_screen": 427.35, "camera": "A", "x_world_measured": 2.9667, "facing": 1, "posture": "standing, head up", "head_screen": [684.9, 360.0], "muzzle_screen": [653.8, 350.9], "back_line_y": 384.2, "head_below_back_px": -24.2, "bbox": [644, 330, 921, 531], "nose_x_world": 2.323, "tail_tip_x_world": 3.487}, {"i": 14, "t": 0.5833, "state": "watch", "x_score": 3.0, "x_screen": 791.42, "y_screen": 427.35, "camera": "A", "x_world_measured": 2.9666, "facing": 1, "posture": "standing, head up", "head_screen": [684.9, 360.0], "muzzle_screen": [653.8, 350.9], "back_line_y": 384.2, "head_below_back_px": -24.2, "bbox": [644, 330, 921, 531], "nose_x_world": 2.323, "tail_tip_x_world": 3.487}, {"i": 15, "t": 0.625, "state": "watch", "x_score": 3.0, "x_screen": 791.44, "y_screen": 427.34, "camera": "A", "x_world_measured": 2.9667, "facing": 1, "posture": "standing, head up", "head_screen": [684.9, 360.0], "muzzle_screen": [653.8, 350.9], "back_line_y": 384.2, "head_below_back_px": -24.2, "bbox": [644, 330, 921, 531], "nose_x_world": 2.323, "tail_tip_x_world": 3.487}, {"i": 16, "t": 0.6667, "state": "watch", "x_score": 3.0, "x_screen": 791.44, "y_screen": 427.34, "camera": "A", "x_world_measured": 2.9667, "facing": 1, "posture": "standing, head up", "head_screen": [684.9, 360.0], "muzzle_screen": [653.8, 350.9], "back_line_y": 384.2, "head_below_back_px": -24.2, "bbox": [644, 330, 921, 531], "nose_x_world": 2.323, "tail_tip_x_world": 3.487}, {"i": 17, "t": 0.7083, "state": "watch", "x_score": 3.0, "x_screen": 791.44, "y_screen": 427.34, "camera": "A", "x_world_measured": 2.9667, "facing": 1, "posture": "standing, head up", "head_screen": [684.9, 360.0], "muzzle_screen": [653.8, 350.9], "back_line_y": 384.2, "head_below_back_px": -24.2, "bbox": [644, 330, 921, 531], "nose_x_world": 2.323, "tail_tip_x_world": 3.487}, {"i": 18, "t": 0.75, "state": "watch", "x_score": 3.0, "x_screen": 791.49, "y_screen": 427.32, "camera": "A", "x_world_measured": 2.967, "facing": 1, "posture": "standing, head up", "head_screen": [684.9, 360.0], "muzzle_screen": [653.8, 350.9], "back_line_y": 384.2, "head_below_back_px": -24.2, "bbox": [644, 330, 921, 531], "nose_x_world": 2.323, "tail_tip_x_world": 3.487}, {"i": 19, "t": 0.7917, "state": "watch", "x_score": 3.0, "x_screen": 791.49, "y_screen": 427.32, "camera": "A", "x_world_measured": 2.967, "facing": 1, "posture": "standing, head up", "head_screen": [684.9, 360.0], "muzzle_screen": [653.8, 350.9], "back_line_y": 384.2, "head_below_back_px": -24.2, "bbox": [644, 330, 921, 531], "nose_x_world": 2.323, "tail_tip_x_world": 3.487}, {"i": 20, "t": 0.8333, "state": "watch", "x_score": 3.0, "x_screen": 791.43, "y_screen": 427.28, "camera": "A", "x_world_measured": 2.9667, "facing": 1, "posture": "standing, head up", "head_screen": [684.9, 360.0], "muzzle_screen": [653.8, 350.9], "back_line_y": 384.2, "head_below_back_px": -24.2, "bbox": [644, 330, 921, 531], "nose_x_world": 2.323, "tail_tip_x_world": 3.486}, {"i": 21, "t": 0.875, "state": "watch", "x_score": 3.0, "x_screen": 791.49, "y_screen": 427.26, "camera": "A", "x_world_measured": 2.9669, "facing": 1, "posture": "standing, head up", "head_screen": [684.9, 360.0], "muzzle_screen": [653.8, 350.9], "back_line_y": 384.2, "head_below_back_px": -24.2, "bbox": [644, 330, 921, 531], "nose_x_world": 2.323, "tail_tip_x_world": 3.486}, {"i": 22, "t": 0.9167, "state": "watch", "x_score": 3.0, "x_screen": 791.49, "y_screen": 427.26, "camera": "A", "x_world_measured": 2.9669, "facing": 1, "posture": "standing, head up", "head_screen": [684.9, 360.0], "muzzle_screen": [653.8, 350.9], "back_line_y": 384.2, "head_below_back_px": -24.2, "bbox": [644, 330, 921, 531], "nose_x_world": 2.323, "tail_tip_x_world": 3.486}, {"i": 23, "t": 0.9583, "state": "watch", "x_score": 3.0, "x_screen": 791.61, "y_screen": 427.31, "camera": "A", "x_world_measured": 2.9675, "facing": 1, "posture": "backing away", "head_screen": [684.9, 360.0], "muzzle_screen": [653.8, 350.9], "back_line_y": 384.2, "head_below_back_px": -24.2, "bbox": [644, 330, 921, 531], "nose_x_world": 2.323, "tail_tip_x_world": 3.486}, {"i": 24, "t": 1.0, "state": "retreat", "x_score": 3.004, "x_screen": 791.89, "y_screen": 429.24, "camera": "A", "x_world_measured": 2.9688, "facing": 1, "posture": "backing away", "head_screen": [685.7, 362.0], "muzzle_screen": [654.7, 352.8], "back_line_y": 386.2, "head_below_back_px": -24.3, "bbox": [645, 335, 917, 531], "nose_x_world": 2.327, "tail_tip_x_world": 3.458}, {"i": 25, "t": 1.0417, "state": "retreat", "x_score": 3.011, "x_screen": 793.56, "y_screen": 431.99, "camera": "A", "x_world_measured": 2.9762, "facing": 1, "posture": "backing away", "head_screen": [683.9, 368.0], "muzzle_screen": [652.9, 358.8], "back_line_y": 389.0, "head_below_back_px": -21.0, "bbox": [643, 345, 952, 531], "nose_x_world": 2.319, "tail_tip_x_world": 3.624}, {"i": 26, "t": 1.0833, "state": "retreat", "x_score": 3.023, "x_screen": 794.55, "y_screen": 435.7, "camera": "A", "x_world_measured": 2.9808, "facing": 1, "posture": "backing away", "head_screen": [678.8, 382.5], "muzzle_screen": [648.0, 373.2], "back_line_y": 391.7, "head_below_back_px": -9.2, "bbox": [638, 363, 945, 531], "nose_x_world": 2.296, "tail_tip_x_world": 3.597}, {"i": 27, "t": 1.125, "state": "retreat", "x_score": 3.038, "x_screen": 796.43, "y_screen": 439.06, "camera": "A", "x_world_measured": 2.9892, "facing": 1, "posture": "backing away, crouched", "head_screen": [678.8, 396.1], "muzzle_screen": [648.0, 386.7], "back_line_y": 394.2, "head_below_back_px": 1.9, "bbox": [638, 376, 942, 531], "nose_x_world": 2.295, "tail_tip_x_world": 3.583}, {"i": 28, "t": 1.1667, "state": "retreat", "x_score": 3.057, "x_screen": 799.75, "y_screen": 441.89, "camera": "A", "x_world_measured": 3.0037, "facing": 1, "posture": "backing away, crouched", "head_screen": [682.3, 408.9], "muzzle_screen": [651.5, 399.3], "back_line_y": 396.3, "head_below_back_px": 12.6, "bbox": [642, 387, 940, 529], "nose_x_world": 2.312, "tail_tip_x_world": 3.576}, {"i": 29, "t": 1.2083, "state": "retreat", "x_score": 3.08, "x_screen": 804.9, "y_screen": 445.0, "camera": "A", "x_world_measured": 3.0261, "facing": 1, "posture": "backing away, crouched, head low", "head_screen": [688.7, 419.7], "muzzle_screen": [657.8, 410.0], "back_line_y": 398.0, "head_below_back_px": 21.7, "bbox": [648, 389, 940, 528], "nose_x_world": 2.342, "tail_tip_x_world": 3.577}, {"i": 30, "t": 1.25, "state": "retreat", "x_score": 3.107, "x_screen": 812.31, "y_screen": 448.36, "camera": "A", "x_world_measured": 3.058, "facing": 1, "posture": "backing away, crouched, head low", "head_screen": [696.9, 428.3], "muzzle_screen": [665.9, 418.5], "back_line_y": 399.4, "head_below_back_px": 28.8, "bbox": [656, 391, 942, 529], "nose_x_world": 2.38, "tail_tip_x_world": 3.588}, {"i": 31, "t": 1.2917, "state": "retreat", "x_score": 3.137, "x_screen": 819.12, "y_screen": 450.62, "camera": "A", "x_world_measured": 3.0872, "facing": 1, "posture": "backing away, crouched, head low", "head_screen": [704.8, 432.5], "muzzle_screen": [673.7, 422.7], "back_line_y": 400.6, "head_below_back_px": 31.9, "bbox": [664, 392, 947, 529], "nose_x_world": 2.416, "tail_tip_x_world": 3.606}, {"i": 32, "t": 1.3333, "state": "retreat", "x_score": 3.169, "x_screen": 826.69, "y_screen": 452.73, "camera": "A", "x_world_measured": 3.1196, "facing": 1, "posture": "backing away, crouched, head low", "head_screen": [713.0, 435.8], "muzzle_screen": [681.7, 425.9], "back_line_y": 401.6, "head_below_back_px": 34.2, "bbox": [672, 393, 953, 530], "nose_x_world": 2.454, "tail_tip_x_world": 3.631}, {"i": 33, "t": 1.375, "state": "retreat", "x_score": 3.2, "x_screen": 834.45, "y_screen": 455.49, "camera": "A", "x_world_measured": 3.1526, "facing": 1, "posture": "backing away, crouched, head low", "head_screen": [720.8, 438.3], "muzzle_screen": [689.3, 428.3], "back_line_y": 402.4, "head_below_back_px": 35.9, "bbox": [679, 394, 961, 535], "nose_x_world": 2.489, "tail_tip_x_world": 3.662}, {"i": 34, "t": 1.4167, "state": "retreat", "x_score": 3.231, "x_screen": 840.94, "y_screen": 456.49, "camera": "A", "x_world_measured": 3.18, "facing": 1, "posture": "backing away, crouched, head low", "head_screen": [728.4, 440.1], "muzzle_screen": [696.7, 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