... SPOT) 4 multispectral (XS), SPOT5 XS, IKONOS XS, QuickBird XS and QuickBird pan-sharpened (PS) images is presented. An agricultural ... The SPOT4 XS, SPOT5 XS, IKONOS XS and QuickBird images were collected in similar climatic conditions during ... On average, IKONOS XS performed slightly better than QuickBird XS and QuickBird PS, while it outperformed SPOT4 XS and SPOT5 ... for SPOT4 XS, SPOT5 XS, IKONOS XS and QuickBird XS. The results of this study indicate that ... On the contrary, the accuracies for the filtered QuickBird PS images indicated a slight improvement. On the ...
Tópico(s): Remote-Sensing Image Classification
2011 - Taylor & Francis | International Journal of Remote Sensing
Michael A. Wulder, Stephanie M. Ortlepp, Joanne C. White, Nicholas C. Coops,
AbstractAgile high spatial resolution satellites, such as QuickBird, are capable of varying their in-track and cross-track view angles, thereby reducing the time required for the satellite to revisit the ... resolution imagery. To demonstrate this, we used four QuickBird images collected annually between 2003 and 2006 over ... of variability in viewing geometry. Using the 2003 QuickBird panchromatic image as a base, over 80% of ... considered, and therefore, although our time series of QuickBird imagery had demonstrated geometric fidelity, the forest structural ...
Tópico(s): Satellite Image Processing and Photogrammetry
2008 - Taylor & Francis | Canadian Journal of Remote Sensing
Yifang Ban, Hongtao Hu, Irene Rangel,
The objective of this research is to evaluate Quickbird multi-spectral (MS) data, multi-temporal RADARSAT Fine- ... synthetic aperture radar (SAR) data and fusion of Quickbird MS and RADARSAT SAR for urban land-use/land-cover mapping. One scene of Quickbird multi-spectral imagery was acquired on 18 July ... images were acquired during May to August 2002. Quickbird MS images and RADARSAT SAR data were classified ... classes, object-based and rule-based classification of Quickbird MS data yielded an overall classification accuracy of ...
Tópico(s): Remote Sensing in Agriculture
2010 - Taylor & Francis | International Journal of Remote Sensing
A high spatial resolution QuickBird satellite image and a low spatial but high spectral resolution Landsat Thermatic Mapper image were used to linearly regress fuel ... at breast height and stand height. As the QuickBird image using the shadow fraction method represented the ... well, fuel loads were well estimated from the QuickBird image. QuickBird estimations outperformed those from the lower spatial resolution Thermatic Mapper image. For many fuel classes, the QuickBird estimations were as good as those regressed from ...
Tópico(s): Remote Sensing in Agriculture
2012 - CSIRO Publishing | International Journal of Wildland Fire
Le Wang, Wayne P. Sousa, Peng Gong, Gregory S. Biging,
... study, an IKONOS Geo bundle image and a QuickBird Standard bundle image were acquired for a study ... value in all the compared bands, whereas the QuickBird image displayed a finer textural roughness in the ... the IKONOS image had better spectral discrimination than QuickBird while the inclusion of panchromatic bands had no ... the classification accuracy of either the IKONOS or QuickBird image. Third, first- and second-order texture features ... more than it does classifications based on comparable QuickBird imagery. An object-based classification was also utilized ...
Tópico(s): Remote Sensing and Land Use
2004 - Elsevier BV | Remote Sensing of Environment
Maria Dissanska, Monique Bernier, Serge Payette,
... present a semi-automated, object-based method for QuickBird panchromatic image classification. The method emphasizes contextual information. ... process of segmentation and classification. The validation of QuickBird image classification shows that the proposed method can ... aerial photographs taken in 1957. The classification of QuickBird images and aerial photographs was used to assess ... objet semi-automatique de classification d'image panchromatique QuickBird. L'accent est mis sur l'information contextuelle. ...
Tópico(s): Geology and Paleoclimatology Research
2009 - Taylor & Francis | Canadian Journal of Remote Sensing
Paul Montesano, R. Nelson, Guoqing Sun, Hank A. Margolis, A. Kerber, K.J. Ranson,
... taiga–tundra ecotone was performed using high resolution Quickbird imagery. Assessing the VCF's performance near the ... selected in areas of varying tree cover where Quickbird imagery is available in Google Earth. Each site ... area. Percent tree crown cover was estimated using Quickbird imagery for 396 sites throughout the circumpolar region ... VCF inter-annual comparisons (2000–2005) and VCF-Quickbird image-interpreted estimates indicate that: (1) Pixel-level, ... crown cover estimates based on dot counts on Quickbird color images by two different interpreters were more ...
Tópico(s): Remote Sensing and LiDAR Applications
2009 - Elsevier BV | Remote Sensing of Environment
Patrick González, Gregory P. Asner, John J. Battles, M. A. Lefsky, Kristen M. Waring, Michael Palace,
... from Light Detection and Ranging (Lidar) data and QuickBird high-resolution satellite images, calibrated and validated by ... field measurements, against Lidar height metrics and against QuickBird-derived tree crown diameter generated equations of carbon ... biomass regression equations, and spatial autocorrelation. Validation of QuickBird crown diameters against field measurements of the same ... great or greater than tropical rainforest. Lidar and QuickBird detected aboveground carbon in live trees, 70–97% ...
Tópico(s): Forest Ecology and Biodiversity Studies
2010 - Elsevier BV | Remote Sensing of Environment
... ecosystem function. High spatial resolution satellite sensors, including QuickBird and IKONOS, have been successfully used to map ... image analysis techniques for mapping tree canopies from QuickBird and SPOT 5 imagery in two savanna systems ... High thematic mapping accuracies were obtained with the QuickBird imagery, independent of mapping technique. Geometric properties of ... were generally larger than those mapped from the QuickBird image data, patch size distributions mapped with object ... SPOT 5 have a similar form to the QuickBird mapping. This indicates that SPOT 5 imagery is ...
Tópico(s): Remote Sensing and LiDAR Applications
2010 - Elsevier BV | International Journal of Applied Earth Observation and Geoinformation
Kasper Johansen, Stuart Phinn, Christian Witte,
... 5–2.4 m pixels), and multi-spectral QuickBird (2.4 m pixels) and SPOT-5 (10 ... riparian zone attributes. The validation of the LiDAR, QuickBird, and SPOT-5 derived maps of streambed width ( ... of the bank stability score for the LiDAR, QuickBird and SPOT-5 image data, respectively. The validation ... field data acquisition and processing of the LiDAR, QuickBird, and SPOT-5 image data showed that discrete ... be used for costs lower than those for QuickBird image data over large spatial extents (e.g. ...
Tópico(s): Hydrology and Sediment Transport Processes
2010 - Elsevier BV | Remote Sensing of Environment
Chaolong Yang, J. H. Everitt, J. M. Bradford,
... The objective of this study was to evaluate QuickBird satellite imagery for mapping yield variability in cotton fields. A QuickBird image scene with 2.8 m resolution and ... for the two fields were extracted from the QuickBird scene, and both the satellite and airborne images ... indices for both types of imagery. The extracted QuickBird images were classified into two to ten zones ... to both types of imagery and that the QuickBird imagery had similar correlations with yield to the ...
Tópico(s): Remote Sensing and LiDAR Applications
2006 - American Society of Agricultural and Biological Engineers | Transactions of the ASABE
... images (SPOT-5, EROS-A, IKONOS-II, and QuickBird) using a three-dimensional multisensor physical model developed ... m were achieved for SPOT, EROS, IKONOS, and QuickBird, respectively. The poor results for EROS are mainly ... pixels) was achieved. Since the SPOT, IKONOS, and QuickBird DEMs were in fact digital surface models, where ... m were then obtained for SPOT, IKONOS, and QuickBird, respectively. When compared to sensor resolution, multidate across- ... results than same-date in-track IKONOS and QuickBird with B/H of around 1: 0.5 ...
Tópico(s): Remote Sensing and LiDAR Applications
2004 - Institute of Electrical and Electronics Engineers | IEEE Transactions on Geoscience and Remote Sensing
Adel H. Elmetwalli, Andrew N. Tyler, Farahat S. Moghanm, Saad Alamri, Ebrahem M. Eid, Salah Elsayed,
... of radiometric ground-based data and high-resolution QuickBird satellite imagery to determine the leaf area index ( ... the acquisition of radiometric ground-based measurements and QuickBird satellite imagery. The results showed that the majority ... 0.64 to 0.89. For example, with QuickBird high-resolution satellite images, the relationships of the ... from radiometric ground-based data and high-resolution QuickBird satellite imagery. For example, validation (Val.) models of ... from radiometric ground-based data and high-resolution QuickBird satellite imagery with R2 (0.91) of both ...
Tópico(s): Spectroscopy and Chemometric Analyses
2021 - Multidisciplinary Digital Publishing Institute | Sensors
Ozge Karabulut Dogan, Zuhal Akyürek, Meryem Beklioğlu,
... were identified and mapped using high spatial resolution Quickbird imagery. As Lake Mogan is an important bird ... of great value for ecosystem conservation and management. Quickbird multispectral image acquired on August 6, 2005 was ... the available species in the lake. Classification of Quickbird satellite data with an unsupervised classification technique provided ... and water classes (83.02% and 71.69%). Quickbird sensor data were found to be very useful ...
Tópico(s): Aquatic Ecosystems and Phytoplankton Dynamics
2008 - Elsevier BV | Journal of Environmental Management
Francisco Agüera-Vega, Fernando J. Aguilar, Manuel A. Aguilar,
... which provide very high resolution imagery, such as QuickBird and IKONOS can be useful. In this study, one QuickBird and one IKONOS satellite image have been used ... of this work was an exhaustive comparison of QuickBird vs. IKONOS images in land-cover detection. In ... this work. Furthermore, the quality classification of the QuickBird image was higher in all cases than that ... parameter should be used. On the whole, both QuickBird and IKONOS images offered promising results in classifying ...
Tópico(s): Remote Sensing in Agriculture
2008 - Elsevier BV | ISPRS Journal of Photogrammetry and Remote Sensing
MARLINA NURLIDIASARI, Syarif Budiman,
... Island. A very high spatial resolution multi-spectral QuickBird image (October 2003) has been used. The capability of QuickBird image to generate a coral reef habitat map ... of the water column effects. The classification of QuickBird image for coral reef habitat mapping increased up ... applying a water column correction. Keywords : Coral Reef, Quickbird, Water Column Correction
Tópico(s): Geological and Geophysical Studies
2010 - | International Journal of Remote Sensing and Earth Sciences (IJReSES)
Rosa Lasaponara, Antonio Lanorte,
... types by exploring the use of remote sensing QuickBird data. In order to ascertain how well QuickBird data can provide an exhaustive classification of fuel ... after and during the acquisition of remote sensing QuickBird data, were used as ground-truth dataset to ... the performance evaluation based on the comparison of QuickBird-based results with ground-truth data. Results from ...
Tópico(s): Remote Sensing and LiDAR Applications
2007 - Elsevier BV | Ecological Modelling
Rongxing Li, Feng Zhou, Xutong Niu, Kaichang Di,
... dimensional (3D) geopositioning achieved by integrating Ikonos and QuickBird images using the vendor-provided rational polynomial coefficients ( ... stereo Ikonos images and one pair of stereo QuickBird images were collected for the same region of ... 3D geopositioning from different combinations of Ikonos and QuickBird stereo images were generated by using an improved ... research demonstrates that the integration of Ikonos and QuickBird images is feasible and can improve the 3D ...
Tópico(s): Geological Modeling and Analysis
2007 - American Society for Photogrammetry and Remote Sensing | Photogrammetric Engineering & Remote Sensing
José A. Gómez, Pablo J. Zarco‐Tejada, J. García‐Morillo, J. Gama, María-Auxiliadora Soriano,
... imager (CASI) at 1‐m spatial and with QuickBird satellite sensor at 2.5‐m spatial resolution. ... m spatial resolution image was also acquired with QuickBird. These images enabled the application of automatic algorithms ... 6.2 m 2 for CASI hyperspectral and QuickBird panchromatic images, respectively. The olive crown volume was ... 11.3 m 3 for CASI hyperspectral and QuickBird panchromatic images, respectively. Olive crown transmittance and LAI ...
Tópico(s): Land Use and Ecosystem Services
2011 - Wiley | Agronomy Journal
... from different stereo highresolution (HR) sensors (Ikonos and QuickBird). The 3D physical model is Toutin’s Model ( ... gave better results than vendor-supplied RFMs with QuickBird regardless of the polynomial order and the number of GCPs. Due to its relief dependency, QuickBird RFM needed to be refined at least with ... overall better results than vendor-supplied RFMs with QuickBird. All results demonstrated the necessity of refining Ikonos ... with a shift and one GCP only and QuickBird RFM with 1 st -order linear functions and ...
Tópico(s): Remote Sensing in Agriculture
2006 - American Society for Photogrammetry and Remote Sensing | Photogrammetric Engineering & Remote Sensing
Christopher Small, Jacqueline W.T. Lu,
... Estimation of vegetation fraction from Landsat ETM+ and Quickbird allows for operational monitoring and reconnaissance at moderate ... linear correspondence between ETM-derived vegetation fraction and Quickbird-derived vegetation fraction facilitates the validation task by ... linear mixture model for both Landsat ETM+ and Quickbird imagery in the New York metro area. The ... require biophysical inputs related to vegetation abundance. When Quickbird-derived 2.8 m estimates of vegetation fraction ... within 5% for fractions > 0.2. The resulting Quickbird-ETM+ scatter distribution cannot be explained with estimate ...
Tópico(s): Urban Green Space and Health
2006 - Elsevier BV | Remote Sensing of Environment
Sungu Lee, Cheonggil Jin, Chuluong Choi, Hyo-Suk Lim, Kwangseob Kim, Jin‐Soo Kim,
... validations was analyzed with reference to IKONOS and QuickBird images. The latter are spectrally similar to KOMPSAT- ... In all bands, except the red band of QuickBird, the at-sensor radiances of KOMPSAT-2 MSC were highly correlated with those of IKONOS and QuickBird. In addition, same-pixel comparisons of reflectance across ... obtained using the TCT coefficients for IKONOS and QuickBird in the brightness, greenness, and wetness components. The ...
Tópico(s): Infrared Target Detection Methodologies
2012 - SPIE | Journal of Applied Remote Sensing
... amaclamaktadir. Kullanilan uydu goruntuleri dort bantli Ikonos ve QuickBird goruntuleridir. 2005 ve 2008 yillarinda elde edilen QuickBird goruntuleri sirasiyla hem kentsel hem de kirsal alanlari ... ozellikle kentsel alani icermektedir. Ayrica, 2005 yilinda alinan QuickBird goruntusu ruzgarli havanin yol actigi dalgalar nedeniyle Karadeniz ... 14 daha dusuk) gostermektedir. Kirsal alan uzerinde alinan QuickBird goruntusune (2008 yilinda alinan)ait sonuclar diger yontemlerden ... iyi sonuc verdigi gorulmustur. Gurultuye benzer oruntuler iceren QuickBird goruntusu icin de RO’nun, DVM’den yaklasik % ...
Tópico(s): Automated Road and Building Extraction
2012 - | Journal of Geodesy and Geoinformation
... characteristics.The satellite images used include Ikonos and QuickBird images with four multispectral bands.Ikonos image taken in 2003 covers mainly urban area, whereas QuickBird images acquired in 2005 and 2008 covers both urban and rural areas, respectively.QuickBird image taken in 2005 also contains noisy patterns ... lowest classification accuracy (14 % lower than RF).For QuickBird image (taken in 2008) of rural area, RF ... best result compared to the others.Also, for QuickBird image containing noisy pattern, RF has around 11% ...
Tópico(s): Remote-Sensing Image Classification
2012 - | Journal of Geodesy and Geoinformation
... produce a satisfactory fusion result for IKONOS and QuickBird images. Among the existing fusion algorithms, the IHS ... techniques is often obvious, especially when IKONOS or QuickBird natural colour multispectral images are fused with its ... to reduce the colour distortion of IKONOS and QuickBird fusion results. Different IKONOS and QuickBird images have been fused with this new approach. ...
Tópico(s): Image and Signal Denoising Methods
2004 - Elsevier BV | Information Fusion
Chuang Li, Yunzhong Shen, Bofeng Li, Gang Qiao, Shijie Liu, Weian Wang, Xiaohua Tong,
... IKONOS, GeoEye-1, WorldView-1/2) except for QuickBird. Studies found that QuickBird is the only one that needs more than ... errors. To further improve the image geopositioning of QuickBird image, in this paper, we introduce space correlated ... model is demonstrated with a stereo pair of QuickBird cross-track images in the Shanghai urban area. ...
Tópico(s): Synthetic Aperture Radar (SAR) Applications and Techniques
2014 - Elsevier BV | ISPRS Journal of Photogrammetry and Remote Sensing
... out using ground based hyperspectral data resampled to QuickBird bands and the actual QuickBird imagery for the area around Palapye, Botswana. The ... the accuracies of resampled hyperspectral data (resampled to QuickBird sensors) with the actual image (QuickBird image) in discriminating between the indigenous tree species. ...
Tópico(s): Remote-Sensing Image Classification
2014 - Taylor & Francis | Geocarto International
Keivan Kabiri, Biswajeet Pradhan, Helmi Zulhaidi Mohd Shafri, Shattri Mansor, Kaveh Samimi‐Namin,
... k d in blue and green bands of QuickBird satellite image based on the integration of Lyzenga' ... ratio of k d in different bands of QuickBird satellite image. Additionally, NASA-k d 490 algorithm ... R rs Green ) bands in each pixel of QuickBird satellite image. Since the aforementioned algorithm has been ... sensors were employed to estimate parameter values for QuickBird image. After determining the k d 490 values ...
Tópico(s): Coral and Marine Ecosystems Studies
2013 - Springer Science+Business Media | Journal of the Indian Society of Remote Sensing
... different land cover classifications using three satellite images (QuickBird, Aster and Landsat TM5) with different pixel sizes ( ... July 2007 to obtain ground reference data. The QuickBird image was classified using supervised segmentation techniques, while ... using a pixel-based supervised classification method. The QuickBird classification showed the highest accuracy when tested against ... fragmentation. The overall mean patch sizes in the QuickBird, Aster, and Landsat TM5-classifications were 871 m2, 2141 m2 and 7433 m2, respectively. In the QuickBird classification, the mean patch size of all the ...
Tópico(s): Cryospheric studies and observations
2013 - Elsevier BV | International Journal of Applied Earth Observation and Geoinformation
Biswajeet Pradhan, Mustafa Neamah Jebur, Helmi Zulhaidi Mohd Shafri, Mahyat Shafapour Tehrany,
... airborne laser scanning data (LiDAR) with high-resolution QuickBird satellite imagery (2.6-m spatial resolution) to ... employed to achieve data fusion between LiDAR and QuickBird imagery. An object-oriented classification method was used ... based classification method was also applied on original QuickBird data which have not been fused. Landslide locations ... 32%, respectively. Results of the accuracy assessment for QuickBird data before fusion showed 65.65% and 0. ...
Tópico(s): Remote Sensing in Agriculture
2015 - Institute of Electrical and Electronics Engineers | IEEE Transactions on Geoscience and Remote Sensing