Digital photography for tracking the phenology of an evergreen conifer stand
暂无分享,去创建一个
Andres Kuusk | Tiit Nilson | Jan Pisek | Lauri Korhonen | Mait Lang | A. Kuusk | J. Pisek | T. Nilson | L. Korhonen | Mait Lang | V. Uri | Veiko Uri
[1] Youngryel Ryu,et al. Correction for light scattering combined with sub-pixel classification improves estimation of gap fraction from digital cover photography , 2016 .
[2] A. Kuusk. Specular reflection in the signal of LAI-2000 plant canopy analyzer. , 2016 .
[3] Nadine Gobron,et al. The fourth phase of the radiative transfer model intercomparison (RAMI) exercise: Actual canopy scenarios and conformity testing , 2015 .
[4] Simon D. Jones,et al. Understanding the variability in ground-based methods for retrieving canopy openness, gap fraction, and leaf area index in diverse forest systems , 2015 .
[5] Colin Kelley,et al. Gnuplot 5.0 , 2015 .
[6] A. Cutini,et al. Photographic assessment of overstory and understory leaf area index in beech forests under different management regimes in Central Italy , 2014 .
[7] P. Beckschäfer,et al. Standardizing the Protocol for Hemispherical Photographs: Accuracy Assessment of Binarization Algorithms , 2014, PloS one.
[8] Youngryel Ryu,et al. Digital canopy photography: Exposed and in the raw , 2014 .
[9] Richard A. Fournier,et al. Hemispherical photography simulations with an architectural model to assess retrieval of leaf area index , 2014 .
[10] A. Kuusk,et al. Modeling directional forest reflectance with the hybrid type forest reflectance model FRT , 2014 .
[11] David Doley,et al. Improving accuracy of canopy hemispherical photography by a constant threshold value derived from an unobscured overcast sky , 2014 .
[12] Mait Lang,et al. Restoration of above canopy reference hemispherical image from below canopy measurements for plant area index estimation in forests/ Metsa võrastiku läbipaistvuse mõõtmine digitaalsete poolsfäärikaamerate abil , 2013 .
[13] John M. Norman,et al. On the correct estimation of gap fraction: How to remove scattered radiation in gap fraction measurements? , 2013 .
[14] S. Sisak. Effect of drainage on the development of an oligotrophic bog Scots pine (P. sylvestris L.) stand in Järvselja. , 2013 .
[15] M. Rautiainen,et al. Database of optical and structural data for the validation of radiative transfer models , 2013 .
[16] Joachim Hill,et al. An efficient approach to standardizing the processing of hemispherical images for the estimation of forest structural attributes , 2012 .
[17] Miina Rautiainen,et al. Seasonal changes in canopy leaf area index and MODIS vegetation products for a boreal forest site in central Finland , 2012 .
[18] Alemu Gonsamo,et al. Application note: CIMES: A package of programs for determining canopy geometry and solar radiation regimes through hemispherical photographs , 2011 .
[19] Andres Kuusk,et al. Simulation of statistical characteristics of gap distribution in forest stands , 2011 .
[20] Andres Kuusk,et al. Canopy gap fraction estimation from digital hemispherical images using sky radiance models and a linear conversion method , 2010 .
[21] Hideki Kobayashi,et al. How to quantify tree leaf area index in an open savanna ecosystem: A multi-instrument and multi-model approach , 2010 .
[22] A. Kuusk,et al. A dataset for the validation of reflectance models , 2009 .
[23] H. Maas,et al. Hemispheric Image Modeling and Analysis Techniques for Solar Radiation Determination in Forest Ecosystems , 2009 .
[24] Agnès Bégué,et al. Can Commercial Digital Cameras Be Used as Multispectral Sensors? A Crop Monitoring Test , 2008, Sensors.
[25] Andres Kuusk,et al. The performance of foliage mass and crown radius models in forming the input of a forest reflectance model: A test on forest growth sample plots and Landsat 7 ETM+ images , 2007 .
[26] Craig Macfarlane,et al. Estimating forest leaf area using cover and fullframe fisheye photography: Thinking inside the circle , 2007 .
[27] K. Omasa,et al. Factors contributing to accuracy in the estimation of the woody canopy leaf area density profile using 3D portable lidar imaging. , 2007, Journal of experimental botany.
[28] Marco Conedera,et al. Correcting non-linearity and slope effects in the estimation of the leaf area index of forests from hemispherical photographs , 2007 .
[29] R. McMurtrie,et al. Estimation of leaf area index in eucalypt forest using digital photography , 2007 .
[30] Alessandro Cescatti,et al. Indirect estimates of canopy gap fraction based on the linear conversion of hemispherical photographs Methodology and comparison with standard thresholding techniques , 2007 .
[31] Andres Kuusk,et al. Radiometric correction of hemispherical images , 2007 .
[32] Jing M. Chen,et al. Determining digital hemispherical photograph exposure for leaf area index estimation , 2005 .
[33] Pol Coppin,et al. Assessment of automatic gap fraction estimation of forests from digital hemispherical photography , 2005 .
[34] Sylvain G. Leblanc,et al. Methodology comparison for canopy structure parameters extraction from digital hemispherical photography in boreal forests , 2005 .
[35] Michael Nobis,et al. Automatic thresholding for hemispherical canopy-photographs based on edge detection , 2005 .
[36] Kazukiyo Yamamoto,et al. Effects of image quality, size and camera type on forest light environment estimates using digital hemispherical photography , 2004 .
[37] Andres Kuusk,et al. Improved algorithm for estimating canopy indices from gap fraction data in forest canopies , 2004 .
[38] Frédéric Baret,et al. Review of methods for in situ leaf area index determination Part I. Theories, sensors and hemispherical photography , 2004 .
[39] E. Dufrene,et al. Estimation of deciduous forest leaf area index using direct and indirect methods , 1995, Oecologia.
[40] Ü. Niinemets,et al. Needle longevity, shoot growth and branching frequency in relation to site fertility and within-canopy light conditions in Pinus sylvestris , 2003 .
[41] A. Strahler,et al. Monitoring vegetation phenology using MODIS , 2003 .
[42] Tiit Nilson,et al. Gap fraction based estimation of LAI in Scots pine stands subjected to experimental removal of branches and stems , 2003 .
[43] A. Kuusk,et al. Angular distribution of radiation beneath forest canopies using a CCD-radiometer , 2002 .
[44] Sven Wagner,et al. Relative radiance measurements and zenith angle dependent segmentation in hemispherical photography , 2001 .
[45] Craig Macfarlane,et al. Photographic exposure affects indirect estimation of leaf area in plantations of Eucalyptus globulus Labill. , 2000 .
[46] Tiit Nilson,et al. Inversion of gap frequency data in forest stands , 1999 .
[47] S. T. Gower,et al. Direct and Indirect Estimation of Leaf Area Index, fAPAR, and Net Primary Production of Terrestrial Ecosystems , 1999 .
[48] G. Russell,et al. Leaf area index estimates obtained for clumped canopies using hemispherical photography , 1999 .
[49] Jing M. Chen,et al. Canopy architecture and remote sensing of the fraction of photosynthetically active radiation absorbed by boreal conifer forests , 1996, IEEE Trans. Geosci. Remote. Sens..
[50] P. Stenberg,et al. Response of LAI-2000 estimates to changes in plant surface area index in a Scots pine stand. , 1996, Tree physiology.
[51] M. Lorenz. International Co-operative Programme on Assessment and Monitoring of Air Pollution Effects on Forests-ICP Forests- , 1995 .
[52] A. Kuusk. A fast, invertible canopy reflectance model , 1995 .
[53] Richard Kittler,et al. Some qualities of scattering functions defining sky radiance distributions , 1994 .
[54] Alain Royer,et al. Measuring Leaf Area Index with the Li‐Cor LAI‐2000 in Pine Stands , 1994 .
[55] P. Stenberg,et al. Performance of the LAI-2000 plant canopy analyzer in estimating leaf area index of some Scots pine stands. , 1994, Tree physiology.
[56] J. Chen,et al. Measuring leaf area index of plant canopies with branch architecture , 1991 .
[57] F. Smith,et al. Comparison of Leaf Area Index Estimates from Tree Allometrics and Measured Light Interception , 1991, Forest Science.
[58] M. Huston,et al. A comparison of direct and indirect methods for estimating forest canopy leaf area , 1991 .
[59] J. Norman,et al. Instrument for Indirect Measurement of Canopy Architecture , 1991 .
[60] J. Chen,et al. Evaluation of hemispherical photography for determining plant area index and geometry of a forest stand , 1991 .
[61] J. Welles. Some indirect methods of estimating canopy structure , 1990 .
[62] P. Rich. Characterizing plant canopies with hemispherical photographs. , 1990 .
[63] Dennis D. Baldocchi,et al. Solar radiation within an oak—hickory forest: an evaluation of the extinction coefficients for several radiation components during fully-leafed and leafless periods , 1984 .
[64] William E. Reifsnyder,et al. Spatial and temporal distribution of solar radiation beneath forest canopies , 1970 .
[65] Margaret C. Anderson. Studies of the Woodland Light Climate: I. The Photographic Computation of Light Conditions , 1964 .
[66] D. Coombe,et al. Hemisperical and Woodland Canopy Photography and the Light Climate , 1959 .
[67] W. R. G. Atkins,et al. The Measurement of the Intensity and the Colour of the Light in Woods by Means of Emission and Rectifier Photoelectric Cells , 1936 .