Class information for:
Level 1: NATURAL IMAGERY//INFRARED BACKGROUND//DESERT BACKGROUND

Basic class information

Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes

The table includes all classes above and classes immediately below the current class.



Cluster id Level Cluster label #P
13 4 PHYSICS, PARTICLES & FIELDS//PHYSICS, NUCLEAR//OPTICS 1062565
422 3       NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT//JOURNAL OF INSTRUMENTATION//NUCLEAR SCIENCE & TECHNOLOGY 30134
3036 2             NONUNIFORMITY CORRECTION//SMALL TARGET DETECTION//INFRARED FOCAL PLANE ARRAY 2691
36314 1                   NATURAL IMAGERY//INFRARED BACKGROUND//DESERT BACKGROUND 100

Terms with highest relevance score



rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 NATURAL IMAGERY authKW 945512 3% 100% 3
2 INFRARED BACKGROUND authKW 787922 5% 50% 5
3 DESERT BACKGROUND authKW 630342 2% 100% 2
4 INFRARED FEATURE authKW 630342 2% 100% 2
5 OPERATING DISTANCE EQUATION authKW 630342 2% 100% 2
6 ATMOSPHERIC RADIANCE authKW 405216 3% 43% 3
7 AERODYNAMIC AND SOLAR HEATING authKW 315171 1% 100% 1
8 ATMOSPHERE TRANSMITTANCE authKW 315171 1% 100% 1
9 ATMOSPHERIC RADIANCE AND TRANSMITTANCE authKW 315171 1% 100% 1
10 BARE GROUND TERRAIN authKW 315171 1% 100% 1

Web of Science journal categories



chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Optics 3338 75% 0% 75
2 Spectroscopy 179 12% 0% 12
3 Remote Sensing 122 5% 0% 5
4 Imaging Science & Photographic Technology 115 5% 0% 5
5 Instruments & Instrumentation 39 7% 0% 7
6 Physics, Applied 31 14% 0% 14
7 Engineering, Electrical & Electronic 12 9% 0% 9
8 Geography, Physical 11 2% 0% 2
9 Robotics 10 1% 0% 1
10 Physics, Multidisciplinary 9 6% 0% 6

Address terms



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 IMAGING RECOGNITIAT INTELLINGENT CONTRO 315171 1% 100% 1
2 SPEECH AUDIO IMAGE VIDEO TECHNOL GRP 315171 1% 100% 1
3 WIDE AREA SURVEILLANCE 157582 2% 25% 2
4 DEBTECH 105056 1% 33% 1
5 SHIP POWER ENGN 105056 1% 33% 1
6 MACHINE INTELLIGENCE GRP 35017 1% 11% 1
7 EDUC MINIST OPT MAGNET ONANCE SPECT 21010 1% 7% 1
8 PRECIS OPTOMECH TECHNOL 11671 1% 4% 1
9 SPE AL IMAGING TECHNOL 11254 1% 4% 1
10 WE ONS SYST 9549 1% 3% 1

Journals



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 JOURNAL OF INFRARED AND MILLIMETER WAVES 15544 10% 0% 10
2 OPTICAL ENGINEERING 10658 22% 0% 22
3 PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS 5850 10% 0% 10
4 INFRARED PHYSICS 4888 4% 0% 4
5 APPLIED OPTICS 2535 17% 0% 17
6 INFRARED PHYSICS & TECHNOLOGY 2107 4% 0% 4
7 DEFENCE SCIENCE JOURNAL 980 2% 0% 2
8 INTERNATIONAL JOURNAL OF INFRARED AND MILLIMETER WAVES 803 3% 0% 3
9 RUSSIAN METEOROLOGY AND HYDROLOGY 692 1% 0% 1
10 ACTA PHYSICA SINICA 552 6% 0% 6

Author Key Words



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 NATURAL IMAGERY 945512 3% 100% 3 Search NATURAL+IMAGERY Search NATURAL+IMAGERY
2 INFRARED BACKGROUND 787922 5% 50% 5 Search INFRARED+BACKGROUND Search INFRARED+BACKGROUND
3 DESERT BACKGROUND 630342 2% 100% 2 Search DESERT+BACKGROUND Search DESERT+BACKGROUND
4 INFRARED FEATURE 630342 2% 100% 2 Search INFRARED+FEATURE Search INFRARED+FEATURE
5 OPERATING DISTANCE EQUATION 630342 2% 100% 2 Search OPERATING+DISTANCE+EQUATION Search OPERATING+DISTANCE+EQUATION
6 ATMOSPHERIC RADIANCE 405216 3% 43% 3 Search ATMOSPHERIC+RADIANCE Search ATMOSPHERIC+RADIANCE
7 AERODYNAMIC AND SOLAR HEATING 315171 1% 100% 1 Search AERODYNAMIC+AND+SOLAR+HEATING Search AERODYNAMIC+AND+SOLAR+HEATING
8 ATMOSPHERE TRANSMITTANCE 315171 1% 100% 1 Search ATMOSPHERE+TRANSMITTANCE Search ATMOSPHERE+TRANSMITTANCE
9 ATMOSPHERIC RADIANCE AND TRANSMITTANCE 315171 1% 100% 1 Search ATMOSPHERIC+RADIANCE+AND+TRANSMITTANCE Search ATMOSPHERIC+RADIANCE+AND+TRANSMITTANCE
10 BARE GROUND TERRAIN 315171 1% 100% 1 Search BARE+GROUND+TERRAIN Search BARE+GROUND+TERRAIN

Core articles

The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.

Classes with closest relation at Level 1



rank cluster_id2 link
1 38686 GRAVITY AIDED NAVIGATION//GRAVITY GRADIENT ANOMALY//GRAVITY MATCHING
2 36382 JOURNAL OF OPTICAL TECHNOLOGY//LOMO//AEROPSP RUMENTAT
3 6605 LAND SURFACE TEMPERATURE//LAND SURFACE TEMPERATURE LST//GLOBAL CHANGE UNIT
4 25830 CLUTTER METRICS//CIENCIAS COMPUTAC IA//SEARCH_2 DATASET
5 25707 CONTRAST TRANSMISSION//106 MU M PULSE LASER//2000 HOGBACK RD SUITE 3
6 17476 SMALL TARGET DETECTION//SMALL TARGET//INFRARED SMALL TARGET DETECTION
7 28271 THERMALLY INDUCED VIBRATION//THERMAL FLUTTER//RIGID FLEXIBLE THERMAL COUPLING
8 27552 INFRARED SIGNATURE//LOW OBSERVABLES//ABSOLUTE SPECTRAL RADIANT EXITANCE
9 21240 NONUNIFORMITY CORRECTION//INFRARED FOCAL PLANE ARRAY//SCENE BASED NONUNIFORMITY CORRECTION
10 16175 IEEE TRANSACTIONS ON ACOUSTICS SPEECH AND SIGNAL PROCESSING//AUTOREGRESSIVE SIGNALS//YULE WALKER EQUATIONS

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