[PDF] Top 20 isprs archives XLII 4 W7 43 2017

... Based on previous experiments (Pouliot et al., 2016), interview with GPR users, and the literature review, multiple layers’ visualization of existing data in parallel to real-time acquired GPR data is perceived as ... Lihat dokumen lengkap

... Section 4 presents the results of statistical distribution parameter fitting and ice-water classification on RADARSAT-2 data set in the Prydz Bay and Adélie ... 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

... limited the operational time windows. Being not possible to fly in the early morning, the central hours of both days were selected. The presence of low cloud cover avoided the direct solar radiation on the glacier ... 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

... Figure 3. Two-pass method DInSAR processing flow chart Since the three-pass difference method is easy to introduce the phase unwrapping error when the terrain phase is removed, this paper uses a 90 m resolution DEM data, ... 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

... Table 4, the method based on intelligent scissors is much faster than the manual processing, but the method based on GrabCut is slower than the manual processing due to the graph cut step, which runs in time ... 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

... In the remainder of the paper, “the homotopy parameter of a horizontal angle measurement” is equivalent to “the relative position of the horizontal angle measurement in the correspond[r] ... 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