[PDF] Top 20 Comparison between terrestrial close range photogrammetry and terrestrial laser scanning

... that laser scanning resulted in a dull colour pallet while photogrammetry yielded a true to life coloured point ...cases photogrammetry was the clear overall winner due to the equipment being ... See full document

... Terrestrial laser scanning (TLS) has been used extensively in Earth Science for acquisition of digital outcrop data over the past ...Structure-from-Motion photogrammetry (SfM) has recently ... See full document

... 6. Discussion The study compared the data quality and information content of TLS and MLS data in a detailed plot analysis. TLS—preferably in a multi-scan configuration to reduce occlusions—delivers very high density ... See full document

... the range measurement in current laser scanning systems: phase shift (PS) and time-of- flight (ToF) ...continuous laser illu- mination and amplitude modulation of the beam to discern the ... See full document

... Terrestrial laser scanning (TLS) in combination with Unmanned Aircraft System (UAS) and modern computer based photogrammetry is currently the best approach for the acquisition of ... See full document

... Nevertheless, one has to remember that in these types of tasks it is not advisable to aim for resolu- tions that are too high and rather focus on good point cloud coverage of the object, which in turn requires a larger ... See full document

... their comparison with the results from the dial gauges, confirmed the usefulness of the developed measuring ...factor between the concrete and soil as well as to improve the reliability of direct shear ... See full document

... quantitative comparison of the differences in the directional gap fraction estimated from the TLS and hemispher- ical photography, the mean difference and root-mean-square (rms) error difference were calculated ... See full document

... quantitative comparison of the differences in the directional gap fraction estimated from the TLS and hemispher- ical photography, the mean difference and root-mean-square (rms) error difference were calculated ... See full document

... by comparison of intersection of two planes, which arose by fitting of point clouds measured on the concrete wall in the zero stage with corresponding intersection in the first ... See full document

... The improved roto-translation technique is well suited for displacement measurement and the interpretation of the movement in terms of landslide mechanism. The measured displacements are consistent with the overall ... See full document

... of terrestrial laser scanning and photogrammetry as an alternative non-contact and “target-less” solution to monitoring railway ...conventional, terrestrial laser scan and ... See full document

... in scanning photography, the unknown overlaps between stereo pairs of original images from different stations are not always large enough for relative ...overlaps between station image matrices are ... See full document

... Table 5 presents some of the statistics related to the DEM errors. As expected from Fig. 9, the DEM TLS is the most accurate of the three models, with an RMSE value of 4.9 cm and an ME value of 0.6 cm. The very small ME ... See full document

... and between-crown gaps when observed from the forest ...association between gap fraction and L requires a range of assumptions, it is very efficient when compared to destructive measurements that are ... See full document

... The dimensions of a standard house brick (215mm x 102.5mm x 65mm), which was situated within the gravel feature, were recorded for future reference following post-­‐ processing of each raw data set. This provided an ... See full document

... Abstract— Terrestrial laser scanning (TLS) data provide 3-D measurements of vegetation structure and have the potential to support the calibration and validation of satellite and airborne ... See full document

... and Terrestrial Laser Scanner ...is close range ...the comparison of the Total Station field length ...Model between non-metric camera, UAV and ... See full document

... classical terrestrial measurements. The classical terrestrial as well as the GNSS observations agreed on the stability of the networks’ reference points between both field ...the range from 2 ... See full document

... Prior to the simulations, it is essential to create a scan object in Space B. This object is used to aid in the evaluation of |ORE| and the illustration of its spatial pattern. As its shape and size do not affect the ... See full document