Datasets:
File size: 20,572 Bytes
eb72cfa | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 | {
"@context": {
"@language": "en",
"@vocab": "https://schema.org/",
"citeAs": "cr:citeAs",
"column": "cr:column",
"conformsTo": "dct:conformsTo",
"cr": "http://mlcommons.org/croissant/",
"rai": "http://mlcommons.org/croissant/RAI/",
"data": {"@id": "cr:data", "@type": "@json"},
"dataType": {"@id": "cr:dataType", "@type": "@vocab"},
"dct": "http://purl.org/dc/terms/",
"examples": {"@id": "cr:examples", "@type": "@json"},
"extract": "cr:extract",
"field": "cr:field",
"fileProperty": "cr:fileProperty",
"fileObject": "cr:fileObject",
"fileSet": "cr:fileSet",
"format": "cr:format",
"includes": "cr:includes",
"isLiveDataset": "cr:isLiveDataset",
"jsonPath": "cr:jsonPath",
"key": "cr:key",
"md5": "cr:md5",
"parentField": "cr:parentField",
"path": "cr:path",
"recordSet": "cr:recordSet",
"references": "cr:references",
"regex": "cr:regex",
"repeated": "cr:repeated",
"replace": "cr:replace",
"sc": "https://schema.org/",
"separator": "cr:separator",
"source": "cr:source",
"subField": "cr:subField",
"transform": "cr:transform"
},
"@type": "sc:Dataset",
"name": "PolyCAT",
"description": "PolyCAT (Polygon-Aperture Eye-Tracking Dataset) is a public eye-tracking dataset for studying visual attention on natural images viewed through irregular polygon apertures. 30 participants viewed 600 CAT2000 images through 27 polygon shapes while their eye movements were recorded with an EyeLink 1000+ at 500 Hz binocular. The dataset includes sample-level gaze streams, fixation events, empirical saliency maps, scanpath sequences, and comprehensive metadata.",
"conformsTo": "http://mlcommons.org/croissant/1.0",
"license": "https://creativecommons.org/licenses/by/4.0/",
"url": "https://github.com/TBD/PolyCAT",
"version": "1.0.0",
"datePublished": "2026-03-05",
"keywords": [
"eye tracking",
"saliency",
"visual attention",
"gaze prediction",
"fixation density",
"polygon aperture",
"CAT2000"
],
"creator": {
"@type": "sc:Organization",
"name": "TBD"
},
"citeAs": "TBD (2026). PolyCAT: A Polygon-Aperture Eye-Tracking Dataset. In Proceedings of ETRA 2026.",
"distribution": [
{
"@type": "cr:FileObject",
"@id": "participants-csv",
"name": "participants.csv",
"description": "Per-participant metadata including demographics, dominant eye, trial counts, and inclusion status.",
"contentUrl": "data/metadata/participants.csv",
"encodingFormat": "text/csv",
"sha256": "TBD"
},
{
"@type": "cr:FileObject",
"@id": "sessions-csv",
"name": "sessions.csv",
"description": "Per-session metadata including session labels (primary, split_primary, extra), trial counts, and inclusion flags.",
"contentUrl": "data/metadata/sessions.csv",
"encodingFormat": "text/csv",
"sha256": "TBD"
},
{
"@type": "cr:FileObject",
"@id": "trials-csv",
"name": "trials.csv",
"description": "Source-of-truth trial table with one row per trial. Contains stimulus assignments, polygon definitions, cue positions, and drift-check metrics.",
"contentUrl": "data/metadata/trials.csv",
"encodingFormat": "text/csv",
"sha256": "TBD"
},
{
"@type": "cr:FileObject",
"@id": "quality-metrics-csv",
"name": "quality_metrics.csv",
"description": "Per-participant quality metrics: tracking ratio, fixation statistics, calibration error, data loss.",
"contentUrl": "data/metadata/quality_metrics.csv",
"encodingFormat": "text/csv",
"sha256": "TBD"
},
{
"@type": "cr:FileObject",
"@id": "fixations-all-csv",
"name": "fixations_all.csv",
"description": "All fixation events across all participants and trials. Each row is one fixation with position (pixels and degrees), duration, pupil size, and stimulus metadata.",
"contentUrl": "data/fixations/fixations_all.csv",
"encodingFormat": "text/csv",
"sha256": "TBD"
},
{
"@type": "cr:FileObject",
"@id": "fixations-mat",
"name": "fixations.mat",
"description": "Fixation data in CAT2000-compatible MATLAB format with fields: x, y, dur, subj, img, polygon.",
"contentUrl": "data/fixations/fixations.mat",
"encodingFormat": "application/x-matlab-data",
"sha256": "TBD"
},
{
"@type": "cr:FileObject",
"@id": "polygon-geometry-csv",
"name": "polygon_geometry.csv",
"description": "Polygon shape definitions with polygon ID, group, and JSON filename.",
"contentUrl": "data/manifests/polygon_geometry.csv",
"encodingFormat": "text/csv",
"sha256": "TBD"
},
{
"@type": "cr:FileObject",
"@id": "stimulus-manifest-csv",
"name": "stimulus_manifest.csv",
"description": "Fixed stimulus-polygon-cue assignment table (702 trial slots shared by all participants).",
"contentUrl": "data/manifests/stimulus_manifest.csv",
"encodingFormat": "text/csv",
"sha256": "TBD"
},
{
"@type": "cr:FileObject",
"@id": "baseline-results-csv",
"name": "baseline_results.csv",
"description": "Saliency benchmark results for baseline models (Uniform, Center Bias, Gold Standard LOO).",
"contentUrl": "benchmarks/baseline_results.csv",
"encodingFormat": "text/csv",
"sha256": "TBD"
},
{
"@type": "cr:FileSet",
"@id": "gaze-tsv-files",
"name": "Gaze TSV files",
"description": "Sample-level gaze streams. One TSV file per session with timestamp, eye, gaze position, pupil size, and validity.",
"containedIn": {"@id": "gaze-directory"},
"includes": "*.tsv",
"encodingFormat": "text/tab-separated-values"
},
{
"@type": "cr:FileObject",
"@id": "gaze-directory",
"name": "gaze/",
"description": "Directory containing per-session gaze TSV files.",
"contentUrl": "data/gaze/",
"encodingFormat": "application/x-directory"
},
{
"@type": "cr:FileSet",
"@id": "saliency-map-files",
"name": "Saliency map files",
"description": "Empirical fixation density maps per polygon-image combination. Gaussian-smoothed (sigma=1 deg) at native 3840x2160 resolution.",
"containedIn": {"@id": "saliency-maps-directory"},
"includes": "**/*_fixmap.npy",
"encodingFormat": "application/octet-stream"
},
{
"@type": "cr:FileObject",
"@id": "saliency-maps-directory",
"name": "saliency_maps/by_polygon/",
"description": "Directory containing saliency maps organized by polygon ID.",
"contentUrl": "data/saliency_maps/by_polygon/",
"encodingFormat": "application/x-directory"
},
{
"@type": "cr:FileSet",
"@id": "scanpath-files",
"name": "Scanpath files",
"description": "Per-trial fixation sequences. One CSV per trial with fixation index, timing, position, and duration.",
"containedIn": {"@id": "scanpaths-directory"},
"includes": "**/*.csv",
"encodingFormat": "text/csv"
},
{
"@type": "cr:FileObject",
"@id": "scanpaths-directory",
"name": "scanpaths/",
"description": "Directory containing per-trial scanpath CSVs organized by participant.",
"contentUrl": "data/scanpaths/",
"encodingFormat": "application/x-directory"
}
],
"recordSet": [
{
"@type": "cr:RecordSet",
"@id": "participants",
"name": "participants",
"description": "One record per participant with demographics, eye dominance, trial counts, and inclusion status.",
"key": {"@id": "participants/participant_id"},
"field": [
{
"@type": "cr:Field",
"@id": "participants/participant_id",
"name": "participant_id",
"description": "Participant identifier (e.g., P01).",
"dataType": "sc:Text",
"source": {
"fileObject": {"@id": "participants-csv"},
"extract": {"column": "participant_id"}
}
},
{
"@type": "cr:Field",
"@id": "participants/age",
"name": "age",
"description": "Age at time of recording (years).",
"dataType": "sc:Integer",
"source": {
"fileObject": {"@id": "participants-csv"},
"extract": {"column": "age"}
}
},
{
"@type": "cr:Field",
"@id": "participants/gender",
"name": "gender",
"description": "Self-reported gender (Male/Female).",
"dataType": "sc:Text",
"source": {
"fileObject": {"@id": "participants-csv"},
"extract": {"column": "gender"}
}
},
{
"@type": "cr:Field",
"@id": "participants/dominant_eye",
"name": "dominant_eye",
"description": "Dominant eye (left/right).",
"dataType": "sc:Text",
"source": {
"fileObject": {"@id": "participants-csv"},
"extract": {"column": "dominant_eye"}
}
},
{
"@type": "cr:Field",
"@id": "participants/included_in_release",
"name": "included_in_release",
"description": "Whether participant is included in the released dataset.",
"dataType": "sc:Boolean",
"source": {
"fileObject": {"@id": "participants-csv"},
"extract": {"column": "included_in_release"}
}
}
]
},
{
"@type": "cr:RecordSet",
"@id": "trials",
"name": "trials",
"description": "One record per trial across all participants. Source-of-truth trial table linking participants, stimuli, and polygon apertures.",
"key": {"@id": "trials/trial_uid"},
"field": [
{
"@type": "cr:Field",
"@id": "trials/participant_id",
"name": "participant_id",
"description": "Participant identifier.",
"dataType": "sc:Text",
"references": {"field": {"@id": "participants/participant_id"}},
"source": {
"fileObject": {"@id": "trials-csv"},
"extract": {"column": "participant_id"}
}
},
{
"@type": "cr:Field",
"@id": "trials/trial_uid",
"name": "trial_uid",
"description": "Unique trial ID: {pid}_{part}_b{block:02d}_t{trial:02d}.",
"dataType": "sc:Text",
"source": {
"fileObject": {"@id": "trials-csv"},
"extract": {"column": "trial_uid"}
}
},
{
"@type": "cr:Field",
"@id": "trials/part",
"name": "part",
"description": "Experiment part (A or B).",
"dataType": "sc:Text",
"source": {
"fileObject": {"@id": "trials-csv"},
"extract": {"column": "part"}
}
},
{
"@type": "cr:Field",
"@id": "trials/image_id",
"name": "image_id",
"description": "CAT2000 image identifier (e.g., A_Random_169).",
"dataType": "sc:Text",
"source": {
"fileObject": {"@id": "trials-csv"},
"extract": {"column": "image_id"}
}
},
{
"@type": "cr:Field",
"@id": "trials/category",
"name": "category",
"description": "CAT2000 image category.",
"dataType": "sc:Text",
"source": {
"fileObject": {"@id": "trials-csv"},
"extract": {"column": "category"}
}
},
{
"@type": "cr:Field",
"@id": "trials/polygon_id",
"name": "polygon_id",
"description": "Polygon aperture identifier (e.g., polygon_25).",
"dataType": "sc:Text",
"source": {
"fileObject": {"@id": "trials-csv"},
"extract": {"column": "polygon_id"}
}
},
{
"@type": "cr:Field",
"@id": "trials/trial_type",
"name": "trial_type",
"description": "Trial type: image or empty.",
"dataType": "sc:Text",
"source": {
"fileObject": {"@id": "trials-csv"},
"extract": {"column": "trial_type"}
}
},
{
"@type": "cr:Field",
"@id": "trials/stimulus_duration_s",
"name": "stimulus_duration_s",
"description": "Stimulus presentation duration in seconds (4.0).",
"dataType": "sc:Float",
"source": {
"fileObject": {"@id": "trials-csv"},
"extract": {"column": "stimulus_duration_s"}
}
}
]
},
{
"@type": "cr:RecordSet",
"@id": "fixations",
"name": "fixations",
"description": "One record per fixation event. Fixations detected by EyeLink's built-in algorithm (velocity 30 deg/s, acceleration 8000 deg/s²). Positions computed from raw gaze samples.",
"field": [
{
"@type": "cr:Field",
"@id": "fixations/participant_id",
"name": "participant_id",
"description": "Participant identifier.",
"dataType": "sc:Text",
"references": {"field": {"@id": "participants/participant_id"}},
"source": {
"fileObject": {"@id": "fixations-all-csv"},
"extract": {"column": "participant_id"}
}
},
{
"@type": "cr:Field",
"@id": "fixations/trial_uid",
"name": "trial_uid",
"description": "Unique trial ID linking to trials table.",
"dataType": "sc:Text",
"references": {"field": {"@id": "trials/trial_uid"}},
"source": {
"fileObject": {"@id": "fixations-all-csv"},
"extract": {"column": "trial_uid"}
}
},
{
"@type": "cr:Field",
"@id": "fixations/fixation_index",
"name": "fixation_index",
"description": "Fixation order within trial and eye (1-indexed).",
"dataType": "sc:Integer",
"source": {
"fileObject": {"@id": "fixations-all-csv"},
"extract": {"column": "fixation_index"}
}
},
{
"@type": "cr:Field",
"@id": "fixations/eye",
"name": "eye",
"description": "Eye (L or R).",
"dataType": "sc:Text",
"source": {
"fileObject": {"@id": "fixations-all-csv"},
"extract": {"column": "eye"}
}
},
{
"@type": "cr:Field",
"@id": "fixations/start_time_ms",
"name": "start_time_ms",
"description": "Fixation start time relative to stimulus onset (ms).",
"dataType": "sc:Float",
"source": {
"fileObject": {"@id": "fixations-all-csv"},
"extract": {"column": "start_time_ms"}
}
},
{
"@type": "cr:Field",
"@id": "fixations/duration_ms",
"name": "duration_ms",
"description": "Fixation duration (ms).",
"dataType": "sc:Float",
"source": {
"fileObject": {"@id": "fixations-all-csv"},
"extract": {"column": "duration_ms"}
}
},
{
"@type": "cr:Field",
"@id": "fixations/x_px",
"name": "x_px",
"description": "Fixation X position in screen pixels (top-left origin, 3840x2160 display).",
"dataType": "sc:Float",
"source": {
"fileObject": {"@id": "fixations-all-csv"},
"extract": {"column": "x_px"}
}
},
{
"@type": "cr:Field",
"@id": "fixations/y_px",
"name": "y_px",
"description": "Fixation Y position in screen pixels (top-left origin, 3840x2160 display).",
"dataType": "sc:Float",
"source": {
"fileObject": {"@id": "fixations-all-csv"},
"extract": {"column": "y_px"}
}
},
{
"@type": "cr:Field",
"@id": "fixations/x_deg",
"name": "x_deg",
"description": "Fixation X position in degrees from screen center.",
"dataType": "sc:Float",
"source": {
"fileObject": {"@id": "fixations-all-csv"},
"extract": {"column": "x_deg"}
}
},
{
"@type": "cr:Field",
"@id": "fixations/y_deg",
"name": "y_deg",
"description": "Fixation Y position in degrees from screen center.",
"dataType": "sc:Float",
"source": {
"fileObject": {"@id": "fixations-all-csv"},
"extract": {"column": "y_deg"}
}
},
{
"@type": "cr:Field",
"@id": "fixations/pupil_size",
"name": "pupil_size",
"description": "Mean pupil size during fixation (EyeLink arbitrary area units).",
"dataType": "sc:Float",
"source": {
"fileObject": {"@id": "fixations-all-csv"},
"extract": {"column": "pupil_size"}
}
}
]
},
{
"@type": "cr:RecordSet",
"@id": "gaze_samples",
"name": "gaze_samples",
"description": "Sample-level gaze data at 500 Hz per eye. One record per sample across all sessions. Data is distributed across per-session TSV files.",
"field": [
{
"@type": "cr:Field",
"@id": "gaze_samples/participant_id",
"name": "participant_id",
"description": "Participant identifier.",
"dataType": "sc:Text",
"references": {"field": {"@id": "participants/participant_id"}},
"source": {
"fileSet": {"@id": "gaze-tsv-files"},
"extract": {"column": "participant_id"}
}
},
{
"@type": "cr:Field",
"@id": "gaze_samples/trial_uid_raw",
"name": "trial_uid_raw",
"description": "Raw trial UID from EDF messages (e.g., B_MB01_T001).",
"dataType": "sc:Text",
"source": {
"fileSet": {"@id": "gaze-tsv-files"},
"extract": {"column": "trial_uid_raw"}
}
},
{
"@type": "cr:Field",
"@id": "gaze_samples/timestamp_rel_ms",
"name": "timestamp_rel_ms",
"description": "Time relative to stimulus onset (ms).",
"dataType": "sc:Float",
"source": {
"fileSet": {"@id": "gaze-tsv-files"},
"extract": {"column": "timestamp_rel_ms"}
}
},
{
"@type": "cr:Field",
"@id": "gaze_samples/eye",
"name": "eye",
"description": "Eye (L or R).",
"dataType": "sc:Text",
"source": {
"fileSet": {"@id": "gaze-tsv-files"},
"extract": {"column": "eye"}
}
},
{
"@type": "cr:Field",
"@id": "gaze_samples/x_px",
"name": "x_px",
"description": "Gaze X position in screen pixels.",
"dataType": "sc:Float",
"source": {
"fileSet": {"@id": "gaze-tsv-files"},
"extract": {"column": "x_px"}
}
},
{
"@type": "cr:Field",
"@id": "gaze_samples/y_px",
"name": "y_px",
"description": "Gaze Y position in screen pixels.",
"dataType": "sc:Float",
"source": {
"fileSet": {"@id": "gaze-tsv-files"},
"extract": {"column": "y_px"}
}
},
{
"@type": "cr:Field",
"@id": "gaze_samples/pupil_size",
"name": "pupil_size",
"description": "Pupil size (EyeLink arbitrary area units).",
"dataType": "sc:Float",
"source": {
"fileSet": {"@id": "gaze-tsv-files"},
"extract": {"column": "pupil_size"}
}
},
{
"@type": "cr:Field",
"@id": "gaze_samples/validity",
"name": "validity",
"description": "Sample validity (0 = valid gaze, 1 = missing/out-of-range).",
"dataType": "sc:Integer",
"source": {
"fileSet": {"@id": "gaze-tsv-files"},
"extract": {"column": "validity"}
}
}
]
}
]
}
|