Index: Red-Edge Inflection Point 1

Red-Edge Inflection Point 1

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Basic information

Name	Red-Edge Inflection Point 1
Abbreviation	REIP1
Formula	$700+40\left(\frac{\left(\frac{\mathrm{670nm}+\mathrm{780nm}}{2}\right)-\mathrm{700nm}}{\mathrm{740nm}-\mathrm{700nm}}\right)$
Variables
Expl. of Variables
Wavelengths	670,700,740,780
Source	Original formula
Description

Visualisation of required spectral range

Sensors

Nr.	Name	Spectral Range	Bands	Specific Formula	Calculated	Comment
1	AHS	428.5-13140	80	$700+40\left(\frac{\left(\frac{9+\mathrm{12}}{2}\right)-\mathrm{10}}{\mathrm{11}-\mathrm{10}}\right)$	Automatic
2	AISA	400-2506.7	498	$700+40\left(\frac{\left(\frac{\mathrm{118}+\mathrm{166}}{2}\right)-\mathrm{131}}{\mathrm{148}-\mathrm{131}}\right)$	Automatic
3	ARIES-1	400-2587	105	$700+40\left(\frac{\left(\frac{\mathrm{15}+\mathrm{20}}{2}\right)-\mathrm{16}}{\mathrm{18}-\mathrm{16}}\right)$	Automatic
4	ASAS	400-1020	62	$700+40\left(\frac{\left(\frac{\mathrm{27}+\mathrm{38}}{2}\right)-\mathrm{30}}{\mathrm{34}-\mathrm{30}}\right)$	Automatic
5	AVIRIS	355.15-2515	224	$700+40\left(\frac{\left(\frac{\mathrm{34}+\mathrm{46}}{2}\right)-\mathrm{37}}{\mathrm{41}-\mathrm{37}}\right)$	Automatic
6	AVIS	550-994	74	$700+40\left(\frac{\left(\frac{\mathrm{20}+\mathrm{39}}{2}\right)-\mathrm{25}}{\mathrm{32}-\mathrm{25}}\right)$	Automatic
7	CASI spectral	391-905.5	96	$700+40\left(\frac{\left(\frac{\mathrm{53}+\mathrm{73}}{2}\right)-\mathrm{58}}{\mathrm{66}-\mathrm{58}}\right)$	Automatic
8	CASI-2 Vegetation	441.53-869.54	12	$700+40\left(\frac{\left(\frac{4+\mathrm{10}}{2}\right)-5}{7-5}\right)$	Automatic
9	ChrisProbaM1	406-1003	62	$700+40\left(\frac{\left(\frac{\mathrm{A25}+\mathrm{A41}}{2}\right)-\mathrm{A29}}{\mathrm{A36}-\mathrm{A29}}\right)$	Automatic
10	ChrisProbaM3	438-1035	18	$700+40\left(\frac{\left(\frac{\mathrm{L8}+\mathrm{L14}}{2}\right)-\mathrm{L9}}{\mathrm{L12}-\mathrm{L9}}\right)$	Automatic
11	ChrisProbaM3A	420-910	18	$700+40\left(\frac{\left(\frac{\mathrm{L9}+\mathrm{L15}}{2}\right)-\mathrm{L10}}{\mathrm{L13}-\mathrm{L10}}\right)$	Automatic
12	ChrisProbaM4	486-796	18	$700+40\left(\frac{\left(\frac{\mathrm{C4}+\mathrm{C16}}{2}\right)-\mathrm{C8}}{\mathrm{C13}-\mathrm{C8}}\right)$	Automatic
13	ChrisProbaM5	438-1036	37	$700+40\left(\frac{\left(\frac{\mathrm{H8}+\mathrm{H22}}{2}\right)-\mathrm{H10}}{\mathrm{H17}-\mathrm{H10}}\right)$	Automatic
14	DAIS-7915	400-12600	79	$700+40\left(\frac{\left(\frac{\mathrm{15}+\mathrm{21}}{2}\right)-\mathrm{16}}{\mathrm{19}-\mathrm{16}}\right)$	Automatic
15	EnMap	420-2450	244	$700+40\left(\frac{\left(\frac{\mathrm{39}+\mathrm{56}}{2}\right)-\mathrm{44}}{\mathrm{50}-\mathrm{44}}\right)$	Automatic
16	HYDICE	400-2500	210	$700+40\left(\frac{\left(\frac{\mathrm{27}+\mathrm{38}}{2}\right)-\mathrm{30}}{\mathrm{34}-\mathrm{30}}\right)$	Automatic
17	HyMap	429-2493.8	126	$700+40\left(\frac{\left(\frac{\mathrm{16}+\mathrm{24}}{2}\right)-\mathrm{18}}{\mathrm{21}-\mathrm{18}}\right)$	Automatic
18	Hyperion	349.896-2582.28	242	$700+40\left(\frac{\left(\frac{\mathrm{B32}+\mathrm{B43}}{2}\right)-\mathrm{B35}}{\mathrm{B39}-\mathrm{B35}}\right)$	Automatic
19	Orbview-4	450-2450	200	$700+40\left(\frac{\left(\frac{\mathrm{22}+\mathrm{33}}{2}\right)-\mathrm{25}}{\mathrm{29}-\mathrm{25}}\right)$	Automatic
20	PHI	400-1000.35	244	$700+40\left(\frac{\left(\frac{\mathrm{110}+\mathrm{155}}{2}\right)-\mathrm{122}}{\mathrm{139}-\mathrm{122}}\right)$	Automatic
21	Sentinel-2A	433-2280	13	$700+40\left(\frac{\left(\frac{4+7}{2}\right)-5}{6-5}\right)$	Automatic
22	VENμS	400-920	12	$700+40\left(\frac{\left(\frac{7+\mathrm{10}}{2}\right)-8}{9-8}\right)$	Automatic
23	WorldView-2	400-1040	9	$700+40\left(\frac{\left(\frac{\mathrm{Red}+\mathrm{NIR1}}{2}\right)-\mathrm{Pan}}{\mathrm{Red\_Edge\_Band}-\mathrm{Pan}}\right)$	Automatic

Applications

Nr.	Name	Comment
1	Hyperspectral remote sensing - Red-edge position
2	Vegetation
3	Vegetation - Chlorophyll

References

Nr.	Author/Title	Year	Comment
1	Clevers, J. G. P. W.; De Jong, S. M.; Epema, G. F.; Van Der Meer, F. D.; Bakker, W. H.; Skidmore, A. K.; Scholte, K. H. - Derivation of the red edge index using the MERIS standard band setting	2002
2	Herrmann, I.; Pimstein, A.; Karnieli, A.; Cohen, Y.; Alchanatis, V.; Bonfil, D. J. - LAI assessment of wheat and potato crops by VENµS and Sentinel-2 bands	2011
3	le Maire, G.; Francois, C.; Dufrene, E. - Towards universal broad leaf chlorophyll indices using PROSPECT simulated database and hyperspectral reflectance measurements	2004
4	Schlerf, M.; Atzberger, C.; Hill, J. - Remote sensing of forest biophysical variables using HyMap imaging spectrometer data	2005
5	Vogelmann, J.E.; Rock, B.N.; Moss, D.M. - Red Edge Spectral Measurements from Sugar Maple Leaves	1993

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Visualisation of Sensor-Bands

Index:

Sensors:

AHS

AISA

ARIES-1

ASAS

AVIRIS

AVIS

CASI spectral

CASI-2 Vegetation

ChrisProbaM1

ChrisProbaM3

ChrisProbaM3A

ChrisProbaM4

ChrisProbaM5

DAIS-7915

EnMap

HYDICE

HyMap

Hyperion

Orbview-4

PHI

Sentinel-2A

VENμS

WorldView-2

List of Indices