{"collection":"grad-noise-175k","coord":"t19_x23_u5_b20","data":{"index":156753,"ordinal":"155221667","topo":"o2(x,o2(o1(x),x))","expression":"sub(R,dot(sgn(D),R))","image":"frame_expr-156753.png","measured":true,"step":134031,"globalStep":134031,"value_mean":-0.011789107695221901,"value_positive_fraction":0.4932708740234375,"value_abs_mean":0.5397512912750244,"value_variance":0.39883726835250854,"value_stddev":0.6315356492996216,"value_min":-1,"value_max":1,"value_range":2,"histogram_probability_sum":1,"histogram_entropy_bits":4.817593097686768,"gradient_energy_x":0.042399968951940536,"gradient_energy_y":0.051551803946495056,"gradient_magnitude_mean":0.15697477757930756,"gradient_axis_bias":-0.0974099189043045,"gradient_nonzero_flag":1,"laplacian_mean":-0.0000065337058003933635,"laplacian_energy":0.17147037386894226,"laplacian_abs_mean":0.17670439183712006,"gradient_magnitude_variance":0.06931379437446594,"gradient_magnitude_stddev":0.2632751166820526,"gradient_magnitude_cv":1.6771810054779053,"gradient_magnitude_max":1.988727331161499,"gradient_energy_over_variance":0.235564187169075,"laplacian_energy_over_variance":0.4299256503582001,"variance_normalization_valid_flag":1,"gradient_cv_valid_flag":1,"scale_diff2_near":0.10772261768579483,"scale_diff2_mid":0.5489791631698608,"scale_diff2_far":0.778792679309845,"scale_diff2_near_over_variance":0.2700916528701782,"scale_diff2_mid_over_variance":1.3764489889144897,"scale_diff2_far_over_variance":1.952657699584961,"value_histogram":[[[0.0981597900390625,0.0981597900390625,0.0981597900390625],[0.016754150390625,0.016754150390625,0.016754150390625],[0.0216522216796875,0.0216522216796875,0.0216522216796875],[0.023529052734375,0.023529052734375,0.023529052734375],[0.0287322998046875,0.0287322998046875,0.0287322998046875],[0.025482177734375,0.025482177734375,0.025482177734375],[0.02801513671875,0.02801513671875,0.02801513671875],[0.0276641845703125,0.0276641845703125,0.0276641845703125],[0.0293426513671875,0.0293426513671875,0.0293426513671875],[0.027374267578125,0.027374267578125,0.027374267578125],[0.0275726318359375,0.0275726318359375,0.0275726318359375],[0.02825927734375,0.02825927734375,0.02825927734375],[0.030487060546875,0.030487060546875,0.030487060546875],[0.030975341796875,0.030975341796875,0.030975341796875],[0.030670166015625,0.030670166015625,0.030670166015625],[0.032012939453125,0.032012939453125,0.032012939453125],[0.0325775146484375,0.0325775146484375,0.0325775146484375],[0.03387451171875,0.03387451171875,0.03387451171875],[0.031036376953125,0.031036376953125,0.031036376953125],[0.031219482421875,0.031219482421875,0.031219482421875],[0.0311431884765625,0.0311431884765625,0.0311431884765625],[0.028045654296875,0.028045654296875,0.028045654296875],[0.0286102294921875,0.0286102294921875,0.0286102294921875],[0.0271148681640625,0.0271148681640625,0.0271148681640625],[0.0258636474609375,0.0258636474609375,0.0258636474609375],[0.023651123046875,0.023651123046875,0.023651123046875],[0.021759033203125,0.021759033203125,0.021759033203125],[0.0235443115234375,0.0235443115234375,0.0235443115234375],[0.01849365234375,0.01849365234375,0.01849365234375],[0.0157318115234375,0.0157318115234375,0.0157318115234375],[0.0148468017578125,0.0148468017578125,0.0148468017578125],[0.105804443359375,0.105804443359375,0.105804443359375]]],"scale_curve":[[[0.015625,0.10772261768579483,0.2700916528701782],[0.0625,0.5489791631698608,1.3764489889144897],[0.25,0.778792679309845,1.952657699584961]]]},"renderer":1,"first_seen":"2026-09-23T00:00:00.000Z","last_seen":"2026-09-23T00:00:00.000Z","sightings":[{"at":"2026-09-23T00:00:00.000Z","data":null}],"axes":"[\"19\",\"23\",\"5\",\"20\"]"}