[PDF] Top 20 isprs archives XLII 4 W7 37 2017

... Since 2014, the Land Survey Division of Singapore Land Authority (SLA) has spearheaded a Whole-of-Government (WOG) 3D mapping project to create and maintain a 3D national map for Singapore. The implementation of the ... Lihat dokumen lengkap

... In Table 1, some parameters have been reported to analyze the differences between the blocks in both configurations. First of all, the total number of extracted TP’s is not reduced in a way proportional to the reduction ... Lihat dokumen lengkap

... Figure 4 gives the result of sea ice classification using different statistical distribution based CRF algorithm and feature ensemble SVM method in Prydz ...Figure 4(a) is the misclassification of TI and ... Lihat dokumen lengkap

... A method to estimate the slope and aspect of Antarctic Ice Sheet with about 200 meters resolution based on ICESat repeat- track is proposed. The elevation change is considered in the calculation. Slopes and aspects of ... Lihat dokumen lengkap

... Moreover, a stereo pair of ZY-3 images was utilized for the first time to reconstruct the 3D rift model where an average rift depth of 48 m and ice mélange rise of ~10 m were measured..[r] ... Lihat dokumen lengkap

... area at levels 1-5. The final level (level 6th) is 5-pixels grid level. Combined with the terrain features and research interests of Larsen B, five region with various terrain types were selected and 50 CPs were derived ... Lihat dokumen lengkap

... (SIRAL) (Wingham et al 2006). CryoSat-2 provides altimetry data up to a latitude of 88° S/N, which is a significant improvement to previous satellite borne altimeters. The narrow across-track spacing of 2.5 km at 70° and ... Lihat dokumen lengkap

... Because of the different satellite parameters, lake levels derived from different altimetry satellites usually have systematic deviation. This paper takes ENVISAT as the reference to calculate the difference between ... Lihat dokumen lengkap

... Simon (2017) used InSAR technology to perform a wide range of deformation monitoring in the permafrost region of the Qinghai-Tibet Plateau.The Differential Interferometry Synthetic Aperture Radar (DInSAR) ... Lihat dokumen lengkap

... 2.3.1 Radiation Correction: Radiation calibration is mainly include system radiation calibration and atmospheric calibration (Liu Xiaozhao, 2008a). After this treatment, the brightness of the image has improved, the ... Lihat dokumen lengkap

... interference coherence characteristics. This method was adopted by Richard et al. for the first time to detect the velocity in Rutford glacier using SAR images with a sampling interval of several days, and reached the ... Lihat dokumen lengkap

... Compared to a single altimetry data, the water level has a longer range of time series and a more dense monthly data coverage, which can help us study the law of water level changes in depth. Figure 4. shows the ... Lihat dokumen lengkap

... One of the most straightforward, convincing method of testing the modelling accuracy is to compare the model predictions with in situ tidal observations. For example, Baker and Bos (2002) used the gravimeters from the ... Lihat dokumen lengkap

... for DEM (digital elevation model) derivation, which performs a coarse-to-fine hierarchical matching process with 5 layers (Li et al., 2017). The NCC (normalized correlation coefficient) matching window is set as ... Lihat dokumen lengkap

... instrument (Abshire et al., 2005; Zwally et al., 2002; Sørensen et al., 2015). Because of the longer wavelength of the radar instrument, the signal might penetrate into the snow pack, while the laser signal is reflected ... Lihat dokumen lengkap

... GBSAR interferometry suffers important limitations. First of all, it requires that a sufficient number of targets remain coherent over the observation period. A second limitation of phase unwrapping is aliasing. In fact, ... Lihat dokumen lengkap

... Recovery Ice Stream which is located in East Antarctica is flowing west along the southern side of the Shackleton Range in Antarctica. It is the longest dynamic ice-flow features, extending about 1000 km inland (Fricker ... Lihat dokumen lengkap

... Juridical boundaries in 3D are not always bound by physical borders, and only the synergy of 3D visualization together with the clear division of property interests can assure legal certainty. An indicative example where ... Lihat dokumen lengkap

... For each country, key stakeholders have been identified both nationally and in the context of the case study locations. Therefore, analysis of each country for adopting and using the identified its4land technologies need ... Lihat dokumen lengkap

... shown in Figure 4. The direction of the front and back is decided by the user’s position relative to the room (inside or outside). In addition, since the spatial entities such as doors and windows are usually ... Lihat dokumen lengkap