Stereo measurement without markers for moving soil surfaces

Anna Nakanishi, Masafumi Nakagawa, Toshiro Okamoto

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Recently, 3D measurement of soil and sand surfaces has been required for a disaster observation and a construction field. We can generally acquire 3D coordinate values with stereo camera or laser scanner. Although current laser scanners can measure objects directly, a real-time data acquisition for moving objects is difficult due to a line scanning. On the other hand, stereo camera can measure moving objects in real time. Therefore, we have proposed 'cross-matching methodology' consisted of a temporal matching with optical flows and a stereo measurement with a template matching. Firstly, feature points are tracked in temporal with optical flow estimation after feature point acquisition from a image. Secondary, the corresponding feature points are acquired from temporally synchronous images with stereo matching. Finally, 3D tracking for moving objects is applied with a combination of temporal and stereo matching without markers.

Original languageEnglish
Title of host publication32nd Asian Conference on Remote Sensing 2011, ACRS 2011
Pages382-385
Number of pages4
Volume1
Publication statusPublished - 2011
Event32nd Asian Conference on Remote Sensing 2011, ACRS 2011 - Tapei
Duration: 2011 Oct 32011 Oct 7

Other

Other32nd Asian Conference on Remote Sensing 2011, ACRS 2011
CityTapei
Period11/10/311/10/7

Fingerprint

Optical flows
Cameras
Soils
Template matching
Lasers
Disasters
Data acquisition
Sand
Scanning

Keywords

  • Land slide
  • Motion tracking
  • Photogrammetry
  • Stereo measurement

ASJC Scopus subject areas

  • Computer Networks and Communications

Cite this

Nakanishi, A., Nakagawa, M., & Okamoto, T. (2011). Stereo measurement without markers for moving soil surfaces. In 32nd Asian Conference on Remote Sensing 2011, ACRS 2011 (Vol. 1, pp. 382-385)

Stereo measurement without markers for moving soil surfaces. / Nakanishi, Anna; Nakagawa, Masafumi; Okamoto, Toshiro.

32nd Asian Conference on Remote Sensing 2011, ACRS 2011. Vol. 1 2011. p. 382-385.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Nakanishi, A, Nakagawa, M & Okamoto, T 2011, Stereo measurement without markers for moving soil surfaces. in 32nd Asian Conference on Remote Sensing 2011, ACRS 2011. vol. 1, pp. 382-385, 32nd Asian Conference on Remote Sensing 2011, ACRS 2011, Tapei, 11/10/3.
Nakanishi A, Nakagawa M, Okamoto T. Stereo measurement without markers for moving soil surfaces. In 32nd Asian Conference on Remote Sensing 2011, ACRS 2011. Vol. 1. 2011. p. 382-385
Nakanishi, Anna ; Nakagawa, Masafumi ; Okamoto, Toshiro. / Stereo measurement without markers for moving soil surfaces. 32nd Asian Conference on Remote Sensing 2011, ACRS 2011. Vol. 1 2011. pp. 382-385
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