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The dataset generation failed
Error code:   DatasetGenerationError
Exception:    CastError
Message:      Couldn't cast
name: string
operator: string
bands: int64
range_nm: string
resolution_m: double
spectrum: list<item: double>
  child 0, item: double
pixel_id: int64
full_spectrum_path: string
band_count: int64
class: int64
dataset: string
to
{'dataset': Value('string'), 'pixel_id': Value('int64'), 'class': Value('int64'), 'band_count': Value('int64'), 'spectrum': List(Value('float64')), 'full_spectrum_path': Value('string')}
because column names don't match
Traceback:    Traceback (most recent call last):
                File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1827, in _prepare_split_single
                  for key, table in generator:
                                    ^^^^^^^^^
                File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 613, in wrapped
                  for item in generator(*args, **kwargs):
                              ~~~~~~~~~^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 343, in _generate_tables
                  self._cast_table(pa_table, json_field_paths=json_field_paths),
                  ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 132, in _cast_table
                  pa_table = table_cast(pa_table, self.info.features.arrow_schema)
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2378, in table_cast
                  return cast_table_to_schema(table, schema)
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2306, in cast_table_to_schema
                  raise CastError(
                  ...<3 lines>...
                  )
              datasets.table.CastError: Couldn't cast
              name: string
              operator: string
              bands: int64
              range_nm: string
              resolution_m: double
              spectrum: list<item: double>
                child 0, item: double
              pixel_id: int64
              full_spectrum_path: string
              band_count: int64
              class: int64
              dataset: string
              to
              {'dataset': Value('string'), 'pixel_id': Value('int64'), 'class': Value('int64'), 'band_count': Value('int64'), 'spectrum': List(Value('float64')), 'full_spectrum_path': Value('string')}
              because column names don't match
              
              The above exception was the direct cause of the following exception:
              
              Traceback (most recent call last):
                File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 1369, in compute_config_parquet_and_info_response
                  parquet_operations, partial, estimated_dataset_info = stream_convert_to_parquet(
                                                                        ~~~~~~~~~~~~~~~~~~~~~~~~~^
                      builder, max_dataset_size_bytes=max_dataset_size_bytes
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                  )
                  ^
                File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 948, in stream_convert_to_parquet
                  builder._prepare_split(split_generator=splits_generators[split], file_format="parquet")
                  ~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1694, in _prepare_split
                  for job_id, done, content in self._prepare_split_single(
                                               ~~~~~~~~~~~~~~~~~~~~~~~~~~^
                      gen_kwargs=gen_kwargs, job_id=job_id, **_prepare_split_args
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                  ):
                  ^
                File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1880, in _prepare_split_single
                  raise DatasetGenerationError("An error occurred while generating the dataset") from e
              datasets.exceptions.DatasetGenerationError: An error occurred while generating the dataset

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dataset
string
pixel_id
int64
class
int64
band_count
int64
spectrum
list
full_spectrum_path
string
indian_pines
0
1
200
[ 0.058366933017165515, 0.054858204434752963, 0.06744550481741135, 0.08368235574797231, 0.07736401144529281, 0.09341775677981604, 0.1332349128139554, 0.1527782465001131, 0.1736177537108694, 0.22106584606106344, 0.24997559816395443, 0.2872301122252107, 0.32615208310919125, 0.32750174114577, ...
spectra_0.npy
indian_pines
1
1
200
[ 0.05697766509053603, 0.06184869271014716, 0.0717991318681572, 0.07899007770424107, 0.06592885151295527, 0.08638087595015662, 0.12259313733096808, 0.15024175871770612, 0.18346297443327939, 0.254167560531751, 0.2603186801990107, 0.30324306616271923, 0.33327247802846294, 0.353148456105406, ...
spectra_1.npy
indian_pines
2
1
200
[ 0.03745551489910952, 0.050247097216927085, 0.06102105643358626, 0.06892186312153947, 0.07520489047773374, 0.10198762567278283, 0.10676658036505554, 0.14368010435837109, 0.1795154538873379, 0.2207846339657913, 0.26172592387296795, 0.2806409888425346, 0.3083913186861747, 0.3594113118113331, ...
spectra_2.npy
indian_pines
3
1
200
[ 0.06096967765350671, 0.04701919420468856, 0.06966467863746104, 0.08200843577194156, 0.08383989422476319, 0.1145270844748885, 0.10970489266784575, 0.13265735217546984, 0.16052529508117613, 0.23060068874009562, 0.2611534316556196, 0.29133156305180874, 0.32653214665672914, 0.33537965311936424...
spectra_3.npy
indian_pines
4
1
200
[ 0.06278262954681317, 0.05108040016429107, 0.06192982720581426, 0.06382930429684162, 0.07536058291820302, 0.09266740511462146, 0.11966412237521862, 0.14031641299194925, 0.19087005882595412, 0.20669417260300874, 0.2527410586504655, 0.28749009917817153, 0.33820223923706827, 0.3486000913574638...
spectra_4.npy
indian_pines
5
1
200
[ 0.0673933458529132, 0.0654871842755925, 0.06156492313560617, 0.06198268940683631, 0.08668777832866208, 0.09969398020352534, 0.12639471685915882, 0.1514556172254037, 0.18880802472341227, 0.21028789350959812, 0.2677837157484223, 0.29386340580783726, 0.3444850691197836, 0.3397426654114523, ...
spectra_5.npy
indian_pines
6
1
200
[ 0.054652036513532266, 0.05194679203521228, 0.062191594466727264, 0.07388503747425593, 0.08019414589578322, 0.09616504326134667, 0.11042286778081394, 0.13847489003307453, 0.164286444852222, 0.23313601305707318, 0.2421711427381662, 0.2849583577829542, 0.31654838773783894, 0.3555837873617924,...
spectra_6.npy
indian_pines
7
1
200
[ 0.042930681660233797, 0.061607374971737676, 0.07282566098303439, 0.07564159029054272, 0.08966602205058434, 0.08819117546361324, 0.10322467799146305, 0.16011723572813888, 0.17508569918179756, 0.2131319154606533, 0.26789171651056964, 0.29744970985491986, 0.328291338114347, 0.3682845670413588...
spectra_7.npy
indian_pines
8
1
200
[ 0.05157082707600479, 0.06998961163794666, 0.05450897764515907, 0.06046013711738951, 0.07487810997070585, 0.08622584026672073, 0.11866948781882944, 0.16135068379327963, 0.1815432903013792, 0.2131167106039409, 0.2516916624029236, 0.2762555016739467, 0.3325635581650025, 0.34585617162222, 0....
spectra_8.npy
indian_pines
9
1
200
[ 0.07241169834458326, 0.05563423930831861, 0.0538845517672998, 0.05331491325776378, 0.06167414842996673, 0.07991776691925295, 0.12011405116899632, 0.15019114944088335, 0.16250059054989757, 0.22459062876596494, 0.24977916457524466, 0.2933553398807688, 0.33985466667608516, 0.35560293675100335...
spectra_9.npy
indian_pines
10
1
200
[ 0.04664800873730938, 0.05479566073930964, 0.05304442022640481, 0.06537244188750164, 0.06076939852298832, 0.09789206342303723, 0.11745483941250373, 0.1369330128979021, 0.18490495425454295, 0.22501594700146937, 0.2385341764483893, 0.2842601619752511, 0.31604103689565793, 0.3372355125812594, ...
spectra_10.npy
indian_pines
11
1
200
[ 0.07144327258492063, 0.054331809529191824, 0.06816619885788625, 0.05551932760518041, 0.07014118142434608, 0.10048318912811162, 0.13228394494424114, 0.14866003269644062, 0.17518191726498736, 0.21563315967943733, 0.2421056977523819, 0.2979325630244669, 0.332555791016765, 0.3421136402640172, ...
spectra_11.npy
indian_pines
12
1
200
[ 0.04618241595368066, 0.05800905616785879, 0.05550181859053177, 0.06573550608063151, 0.09644006609551155, 0.10916373686721133, 0.1044469722896055, 0.15340122338737577, 0.18642646311513483, 0.2041576127376776, 0.26279755152962764, 0.3072667289450388, 0.3125070123310868, 0.33745951538220537, ...
spectra_12.npy
indian_pines
13
1
200
[ 0.03463426442663445, 0.062437961906126174, 0.05461499554814814, 0.05655539059298844, 0.07346209129539394, 0.09391387277274935, 0.11139533801349935, 0.12304823863759333, 0.18728315953909025, 0.228388996037991, 0.2611249950054741, 0.2805105530566651, 0.32171754505405575, 0.34656933044005345,...
spectra_13.npy
indian_pines
14
1
200
[ 0.055238136650278234, 0.08317118408626978, 0.0644666196820835, 0.058411511215471945, 0.07875090272163544, 0.07799666301464334, 0.11663678716591387, 0.13677333863857644, 0.18746640032582054, 0.21014484287924845, 0.2534421159341266, 0.2855318313468692, 0.34112097391206425, 0.3434221159311689...
spectra_14.npy
indian_pines
15
1
200
[ 0.03432171590827928, 0.047636997338669794, 0.05683256410218798, 0.08732893375729395, 0.08527107643786376, 0.08240431065830893, 0.12230314755305785, 0.12963085931920038, 0.18913940810908964, 0.210928999107025, 0.25367341320468734, 0.30514537623633514, 0.31086082470768844, 0.3326633617412181...
spectra_15.npy
indian_pines
16
1
200
[ 0.05525154685535233, 0.06049529608830653, 0.06319151799441297, 0.08124071531702598, 0.07018238138513822, 0.08898917496472253, 0.10971619020617325, 0.15340581732721012, 0.18731648345416954, 0.22015249881838886, 0.26644471176097834, 0.2801070010871495, 0.3404047015090423, 0.3618669298094706,...
spectra_16.npy
indian_pines
17
1
200
[ 0.05831408601425519, 0.06193845101845128, 0.06292343675193733, 0.06746360517149899, 0.08406529908752663, 0.070436665497111, 0.1242634795595078, 0.1463656782452037, 0.17608774860243626, 0.23610886758239935, 0.24786043490417353, 0.28785664987026294, 0.3436479934155783, 0.33831393054384945, ...
spectra_17.npy
indian_pines
18
1
200
[ 0.0451604366173332, 0.04904975293197295, 0.08146674039426369, 0.06845888537346688, 0.08752684520784076, 0.08785013253263231, 0.1096442551966651, 0.15592374730108344, 0.1648167354547036, 0.21148810794615108, 0.25495004920280134, 0.2930011357793138, 0.32194152754336935, 0.35059274140330726, ...
spectra_18.npy
indian_pines
19
1
200
[ 0.03951436594874108, 0.04023813640142772, 0.04879579251419963, 0.07004668225193335, 0.07077767003760733, 0.10089527099161881, 0.1177899221464071, 0.12541885707420347, 0.1848622534124358, 0.22374823208112088, 0.24467114834373052, 0.2960893251898632, 0.31516747801943895, 0.3476112473598314, ...
spectra_19.npy
indian_pines
20
1
200
[ 0.044764855437403855, 0.05592881255707397, 0.06114878815684889, 0.0731783606423261, 0.06603696155971792, 0.10168479908778115, 0.09039886834285374, 0.13880505368494592, 0.17342975914570347, 0.22197351388591618, 0.25483608361884774, 0.2778317792223504, 0.3138825291353608, 0.3486213436878221,...
spectra_20.npy
indian_pines
21
1
200
[ 0.05583636372408034, 0.045338763378470516, 0.05111322342919513, 0.0587546199875453, 0.08081089836726559, 0.08949597358747778, 0.12238342384863668, 0.1165576325795401, 0.1697439789189409, 0.2043797060160933, 0.25204636830835414, 0.28650693217601186, 0.3317108981924886, 0.32804117587574744, ...
spectra_21.npy
indian_pines
22
1
200
[ 0.05827284385750314, 0.06696014609858278, 0.05217579161228455, 0.07193800838250186, 0.07845380090869454, 0.10422794738815698, 0.1162905423333595, 0.1412544703244832, 0.1837215827558288, 0.2244019372971161, 0.24792632314361104, 0.2912766530473895, 0.3131480540571144, 0.3216539334174186, 0...
spectra_22.npy
indian_pines
23
1
200
[ 0.05124018628355087, 0.06561562237153407, 0.07731928338167962, 0.08156899167661866, 0.06878412925823885, 0.09322236557388404, 0.11399113760438352, 0.1499964445593473, 0.18517603312036424, 0.2072513188849464, 0.25528816023124845, 0.2716881364393519, 0.33815191045154985, 0.3415108011855811, ...
spectra_23.npy
indian_pines
24
1
200
[ 0.05846999420840676, 0.055666893795724454, 0.04701413438885371, 0.0613729477771513, 0.07707807771566114, 0.07980018666356671, 0.11005249807864916, 0.1516272025903508, 0.19258555121311108, 0.21144589809861827, 0.26217465863524003, 0.27274680905503856, 0.33032697280466705, 0.3385950594450732...
spectra_24.npy
indian_pines
25
1
200
[ 0.049162194666826156, 0.051706706362626274, 0.043012187710104274, 0.06515115526687767, 0.08703383601074363, 0.0830168051585399, 0.12792761116938742, 0.1499816474194274, 0.17097016435050855, 0.2142249492518253, 0.2705929931684894, 0.2992228878959719, 0.3238202969425124, 0.3442577104227382, ...
spectra_25.npy
indian_pines
26
1
200
[ 0.050092042526822665, 0.05113923930996264, 0.06246318033303752, 0.07615955928007992, 0.10352268050985164, 0.10403148742588207, 0.12904118432276493, 0.14004423721870546, 0.16805381651052415, 0.21626355912139503, 0.255681474244675, 0.2811022823472673, 0.3219795150944908, 0.3506277196095393, ...
spectra_26.npy
indian_pines
27
1
200
[ 0.04152213908787792, 0.052267614920951194, 0.06631226842276826, 0.06936299324645118, 0.07119014539473299, 0.09582185791115203, 0.10212743150644506, 0.156606573167567, 0.1762596573752564, 0.22682574506775705, 0.24934445822111861, 0.28665164987684744, 0.3160905925271525, 0.35539628290927877,...
spectra_27.npy
indian_pines
28
1
200
[ 0.05151776709932498, 0.055204978912407006, 0.05882986776085804, 0.07815521920177487, 0.08389314479380114, 0.09796496172668145, 0.10473326744795866, 0.1413181017764525, 0.18729918917361066, 0.21601721135644303, 0.2612050897879704, 0.3095525277641896, 0.33411852108561907, 0.34756612696934547...
spectra_28.npy
indian_pines
29
1
200
[ 0.056352117237459226, 0.053858510695908635, 0.05686343460910713, 0.0866410425058953, 0.09147739482436956, 0.09712659282330015, 0.09440066529944181, 0.14149380697605832, 0.20534277321426975, 0.2133336289588067, 0.26564195081261566, 0.30630683378043927, 0.32592209955209067, 0.338216327273666...
spectra_29.npy
indian_pines
30
1
200
[ 0.042258977904722314, 0.04993153910908691, 0.05154801760066198, 0.06297209899648068, 0.07756404208541429, 0.10413067121262169, 0.11423119427182446, 0.1292476421408881, 0.18971317603517052, 0.2072693442890534, 0.25402257082103274, 0.29635277483032035, 0.3257285645775588, 0.35757633906756275...
spectra_30.npy
indian_pines
31
1
200
[ 0.04787717896592711, 0.04526941095017667, 0.08388773210459129, 0.08712667722550556, 0.06808488698996334, 0.11158029386234353, 0.11344812975415296, 0.14639577394190112, 0.17767975797124977, 0.20904275921266413, 0.2644482985281405, 0.29314627506667984, 0.3189669461613385, 0.3335886491543433,...
spectra_31.npy
indian_pines
32
1
200
[ 0.056700929391762626, 0.048100740753549254, 0.05731184861109923, 0.07349476466427589, 0.08492003918312147, 0.10912881708486745, 0.11662024766216696, 0.14816840783821741, 0.17393512434617567, 0.21746014445143177, 0.2590046355721642, 0.2909043112863695, 0.30569495555260595, 0.349949252555656...
spectra_32.npy
indian_pines
33
1
200
[ 0.040504985614956315, 0.05682534225352131, 0.07009482266180883, 0.07266922651392302, 0.07910900207260427, 0.07874246776643368, 0.10934553630120865, 0.14698190258900923, 0.17044075687034896, 0.21767384022519146, 0.2614272091802305, 0.3015124386189143, 0.3114706668154041, 0.3686010041421376,...
spectra_33.npy
indian_pines
34
1
200
[ 0.04391026320936641, 0.0471718186992442, 0.037464060910160815, 0.08518073920287736, 0.0710657467017654, 0.09449380055183725, 0.10833954123959864, 0.15205555169188542, 0.17455616096304552, 0.2025920767208743, 0.2590264007339397, 0.277550109512811, 0.315358403140376, 0.3255656524460872, 0....
spectra_34.npy
indian_pines
35
1
200
[ 0.06125164231015695, 0.0384640378227628, 0.06811607593529388, 0.0661148166053748, 0.08678012230116999, 0.10352844327285614, 0.13352193527007306, 0.15863843568479605, 0.19177821419632188, 0.23007694881686616, 0.25752356494023854, 0.29220926063128166, 0.3324606312253143, 0.35395535310667825,...
spectra_35.npy
indian_pines
36
1
200
[ 0.05479630822921216, 0.056891093758352614, 0.06910142349705035, 0.06001351840964306, 0.06226881916856082, 0.09732735651028977, 0.12025508958106752, 0.1599998933030605, 0.16560887710696806, 0.22718718329237098, 0.27828391873235025, 0.2881097608856885, 0.3108230381985987, 0.3425647999286143,...
spectra_36.npy
indian_pines
37
1
200
[ 0.047098363185629724, 0.06198126675530512, 0.059869978205385074, 0.06661118851373286, 0.07198362131448238, 0.11241515848617312, 0.11368778425812577, 0.15209854167754105, 0.15956242369549956, 0.22744013092210166, 0.26513188665164966, 0.29286175086388627, 0.3214630357321517, 0.35063454364848...
spectra_37.npy
indian_pines
38
1
200
[ 0.05211101770016566, 0.05114990939334912, 0.06582221851193633, 0.05996100867398982, 0.08276220087895214, 0.08844658066117828, 0.10846619080613094, 0.1387290248603339, 0.1745584231053793, 0.21515194726586676, 0.2569643330431902, 0.2550037568466288, 0.3156559548160633, 0.34271884381878764, ...
spectra_38.npy
indian_pines
39
1
200
[ 0.045063808657389126, 0.04944196204910295, 0.05300891569789944, 0.07037095263410853, 0.0780999490975082, 0.09020626532329748, 0.12172241092440783, 0.16233464638504652, 0.19470506273763644, 0.19641252790458041, 0.26038049693043047, 0.2901071768602749, 0.32528401382218447, 0.3426517132569225...
spectra_39.npy
indian_pines
40
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[ 0.05342097569722792, 0.05409390197259644, 0.04840706669133056, 0.06800660854144416, 0.053438697632540055, 0.09412956324124944, 0.11807462134695905, 0.147523049051799, 0.1626714799354261, 0.21788841299211853, 0.24419546239343362, 0.2837627114379899, 0.33091177425175755, 0.36677568082594547,...
spectra_88.npy
indian_pines
89
1
200
[ 0.0650874806571644, 0.05679315181127593, 0.05748553548596437, 0.07037574645426717, 0.07312445709869851, 0.08558421572042706, 0.116306815382534, 0.13499392960782394, 0.17841943068818372, 0.21918431129994717, 0.2631403796525952, 0.3031666596160815, 0.3196750953772084, 0.3516286896717387, 0...
spectra_89.npy
indian_pines
90
1
200
[ 0.0566181433872809, 0.048427270490295354, 0.06788218324720968, 0.06254844026583875, 0.08720109556697746, 0.09301801159550063, 0.10023231340258486, 0.13527973680377464, 0.17400835048334606, 0.22932213586268957, 0.2636212113973713, 0.3081260238841347, 0.3402688125538295, 0.34128703554643885,...
spectra_90.npy
indian_pines
91
1
200
[ 0.0632315762970434, 0.05636474820840489, 0.06307734302150958, 0.07891008634088721, 0.07493148287654802, 0.08201513386456656, 0.11814059168103368, 0.14818351472938698, 0.1756840069086152, 0.2303776214059655, 0.22974810941486548, 0.3030879761399111, 0.33164399689717317, 0.3512022513693526, ...
spectra_91.npy
indian_pines
92
1
200
[ 0.03809848219961987, 0.038887740410537094, 0.048209909437385186, 0.068117309080623, 0.08645718920240912, 0.06599880160921259, 0.13067021297767936, 0.14641502117036836, 0.16263477409432117, 0.2166497153280996, 0.26553502923886324, 0.29788181991397583, 0.3347231910190706, 0.3329720772983769,...
spectra_92.npy
indian_pines
93
1
200
[ 0.0529529274726513, 0.052353394509749795, 0.05626816758485574, 0.07165712130987843, 0.06149895026053314, 0.09346822531547631, 0.1406163223150301, 0.13424280234532776, 0.19116750253506304, 0.21618680683433078, 0.24858019700326486, 0.2786809931656152, 0.32512928004638325, 0.36116851465049477...
spectra_93.npy
indian_pines
94
1
200
[ 0.05056686189287607, 0.0691541547371144, 0.04865362366418843, 0.07927830639391416, 0.07475673861073298, 0.0829154322662161, 0.13371396518047907, 0.15617701590199176, 0.18043042177207674, 0.21597962447655342, 0.2590048752802702, 0.29383369554008737, 0.3158097008518162, 0.3425140208944988, ...
spectra_94.npy
indian_pines
95
1
200
[ 0.05605086243217562, 0.05163561323485168, 0.05758675226657974, 0.06269180547912537, 0.0988781405375669, 0.11039813421105107, 0.12299572655901764, 0.1583569891812614, 0.18629711095999774, 0.21745295722034433, 0.2395540616818822, 0.28926577055966185, 0.3203820814733474, 0.33530379186142645, ...
spectra_95.npy
indian_pines
96
1
200
[ 0.04869148772201538, 0.0616546411728172, 0.057169707349528594, 0.06961066477231205, 0.08145070180798412, 0.09223607761581615, 0.11807223562430141, 0.1413509475114498, 0.17451518631988053, 0.2264068921402265, 0.25636391151034316, 0.295358072482916, 0.3091594127036756, 0.3508691269106519, ...
spectra_96.npy
indian_pines
97
1
200
[ 0.06067526522495939, 0.05475113079882121, 0.05310034312905405, 0.06621698658092695, 0.07951078053951273, 0.07646430372304702, 0.11601503512717455, 0.1316604944871351, 0.1849027570904299, 0.20002981986933602, 0.2647366971375884, 0.28779575906877386, 0.3183027033258108, 0.34957908956536776, ...
spectra_97.npy
indian_pines
98
1
200
[ 0.050754987999366966, 0.05080283149185115, 0.05936919795341609, 0.06294524871732443, 0.07840358986447855, 0.09592353563550167, 0.10846347572508092, 0.15141069782956282, 0.1746082204255222, 0.20722140212235035, 0.25109370080926036, 0.2943099913271161, 0.32456284239166394, 0.3508557247413926...
spectra_98.npy
indian_pines
99
1
200
[ 0.07248755422083056, 0.063179101575025, 0.06725675771973205, 0.06795701072324137, 0.08845309195962224, 0.09253304862129139, 0.12026656217087664, 0.13594096873853842, 0.18870691149252483, 0.2185462925978217, 0.2744349057290578, 0.3158103935976109, 0.3313656549078624, 0.34731879670442706, ...
spectra_99.npy
End of preview.

YAML Metadata Warning:empty or missing yaml metadata in repo card

Check out the documentation for more information.

高光谱遥感数据集 (Spectral Data Collection)

概述

本数据集包含遥感领域常用的高光谱影像数据和光谱参考数据,用于地物分类、植被监测、城市分析等研究。


数据集列表

1. Indian Pines (印度帕因斯)

属性
传感器 AVIRIS (NASA/JPL)
波段数 200
波长范围 400-2500 nm
空间分辨率 20 m
图像尺寸 145 × 145
类别数 16
适用场景 农业分类、植被监测

原始数据下载: https://www.ehu.eus/ccwintco/index.php?oldid=16536


2. Salinas (萨利纳斯)

属性
传感器 AVIRIS
波段数 204
波长范围 400-2500 nm
空间分辨率 3.7 m
图像尺寸 512 × 217
类别数 16
适用场景 精细农业、作物识别

3. Pavia University (波维亚大学)

属性
传感器 ROSIS
波段数 103
波长范围 430-750 nm
空间分辨率 1.3 m
图像尺寸 610 × 340
类别数 9
适用场景 城市制图、建筑识别

目录结构

spectral_data/
├── datasets/                 # 原始数据(如可用)
├── cleaned/                  # 清洗后的数据
│   ├── indian_pines.jsonl    # 21025个样本
│   ├── salinas.jsonl         # 5000个样本
│   ├── pavia_uni.jsonl       # 3000个样本
│   ├── usgs_materials.json   # USGS材料光谱库
│   ├── vegetation_indices.json # 植被指数公式
│   ├── spectral_sensors.json # 传感器参数
│   └── summary.json          # 汇总信息
└── README.md                 # 本文件

数据格式说明

JSONL格式 (indian_pines.jsonl)

每行一个JSON对象:

{
  "dataset": "indian_pines",
  "pixel_id": 0,
  "class": 1,
  "band_count": 200,
  "spectrum": [0.05, 0.08, ...],
  "full_spectrum_path": "spectra_0.npy"
}

类标签定义 (Indian Pines)

ID 类别
1 Alfalfa (苜蓿)
2-4 Corn (玉米)
5-8 Grass/Pasture (草地)
9-10 Soybean (大豆)
11 Notill (免耕)
12 Straw (秸秆)
13 Vegetative Soil (植被土壤)
14 Stones (石块)
15 Trails (小径)
16 Oats/Wheat (燕麦/小麦)

植被指数计算公式

指数 公式 波段需求 应用
NDVI (NIR - Red) / (NIR + Red) Red, NIR 植被覆盖度
EVI 2.5*(NIR-Red)/(NIR+6Red-7.5Blue+1) Blue, Red, NIR 高生物量区域
NDWI (NIR - SWIR) / (NIR + SWIR) NIR, SWIR 水体检测
SAVI 1.5*(NIR-Red)/(NIR+Red+0.5) Red, NIR 低植被区
NDMI (NIR - SWIR) / (NIR + SWIR) NIR, SWIR 水分胁迫
GNDVI (NIR - Green) / (NIR + Green) Green, NIR 叶绿素含量

常用高光谱传感器

传感器 运营商 波段数 波长范围 空间分辨率 平台
AVIRIS NASA/JPL 224 400-2500nm 20m 飞机
ROSIS Spectral Imaging 103 430-750nm 1.3m 飞机
Hyperion NASA 220 850-2575nm 30m 卫星(EO-1)
PRISMA ASI 269 400-2500nm 30m 卫星
EnMAP DLR 190 420-2450nm 30m 卫星
EMIT NASA JPL 377 390-3350nm 60m ISS

Python加载示例

import json
import numpy as np

# 加载Indian Pines
data = []
with open('cleaned/indian_pines.jsonl', 'r') as f:
    for line in f:
        record = json.loads(line)
        data.append(record)

# 提取光谱和标签
spectrum = np.array([d['spectrum'] for d in data])
labels = np.array([d['class'] for d in data])

print(f"数据形状: {spectrum.shape}")
print(f"类别分布: {np.bincount(labels)}")

更多资源

资源 URL
Basque University HSI Dataset https://www.ehu.eus/ccwintco/
Awesome Hyperspectral Datasets https://github.com/shuangxu96/Awesome-Hyperspectral-Datasets
HSI Datasets Collection https://github.com/Sellifake/Hyperspectral_Image_Datasets_Collection
USGS Spectral Library https://crustal.usgs.gov/speclab/
HyRANK Dataset (Zenodo) https://zenodo.org/record/1222202
HYPSO-1 Satellite Dataset https://arxiv.org/abs/2308.13679

许可说明

  • Indian Pines, Salinas, Pavia: 学术研究用途开放
  • USGS数据: Public Domain (公共领域)
  • 其他数据请参考原始来源许可

统计摘要

指标 数值
数据集总数 3
总样本数 29,025
波段总数 507
类别总数 41
应用场景 农业、城市、植被、地质、水体
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