%0 Conference Proceedings
%4 sid.inpe.br/iris@1912/2005/12.27.16.06
%2 sid.inpe.br/iris@1912/2005/12.27.16.06.42
%@doi 10.1109/IGARSS.2005.1526807
%@isbn 0780390504
%@isbn 9780780390508
%T New change detection technique using ASTER and CBERS-2 images to monitor Amazon tropical forest
%D 2005
%A Santos, João Roberto dos,
%A Maldonado, Francisco Dario,
%A Graça, P. M. L. A.,
%@affiliation Instituto Nacional de Pesquisas Espaciais, Divisão de Sensoriamento Remoto (INPE, DSR)
%@affiliation Instituto Nacional de Pesquisas Espaciais (INPE)
%@affiliation Instituto Nacional de Pesquisas da Amazônia (INPA)
%@electronicmailaddress jroberto@dsr.inpe.br
%@electronicmailaddress francis@dsr.inpe.br
%@electronicmailaddress pmlag@inpa.gov.br
%B International Geoscience and Remote Sensing Symposium, 5 ( IGARSS).
%C Seoul
%8 25-29 July
%I IEEE International
%V 7
%P 5026-5028
%S Proceedings
%K Charge coupled devices, Degradation, Forestry, Monitoring, Radiometry, Sensors, Thermal stratification, Threshold elements, Timber, Amazon, CBERS-2, Change detection, Land cover, Tropical forests, Demodulation, Detection, Forests, Radiometry.
%X With the availability of CCD/CBERS-2 images, theobjective of this research is to show the technique on Radiometric rotation controlled by a no-change axis (RCEN), using a multi-temporal comparison with the image from ASTER/TERRA. The result of this technique is a changedetection image derived from the date integration of both sensors mentioned, whose continuous image (floating-point numbers) was transformed into a thematic image through the procedure of slicing and labelling with four thresholds. This allows the stratification of spectral attributes in five thematic classes: two related to degradation, two referring to regeneration and one of no-change. From this point on a map of changes 2003/2004 was generated, illustrating the distribution of the five thematic categories mentioned at the transition forest zone, which is suffering strongly under the impact of the agricultural frontier, cattle raising and also, timber exploitation activities.
%@language en
%3 santos_new change.pdf