02245nam a2200301 a 450000100080000000500110000800800410001902400380006010000180009824501400011626001360025630000160039249000500040850000780045852011560053665000200169265300260171265300240173865300220176265300180178465300170180265300090181965300260182865300250185470000210187970000220190070000210192220132672020-01-08       2015    bl uuuu     u00u1 u    #d7 a10.1007/978-3-319-16220-1_182DOI1 aSANTOS, T. T.  a3D plant modelingblocalization, mapping and segmentation for plant phenotyping using a single hand-held camera.h[electronic resource]  aIn: EUROPEAN CONFERENCE ON COMPUTER VISION, 13., 2014, Zurich. Computer Vision: ECCV 2014: proceedings. Switzerland: Springerc2015  ap. 247-263.  a(Lecture notes in computer science, v. 8928).  aPart IV. Editores: Lourdes Agapito, Michael M. Bronstein, Carsten Rother.  aAbstract. Functional-structural modeling and high-throughput phenomics demand tools for 3D measurements of plants. In this work, structure from motion is employed to estimate the position of a hand-held camera, moving around plants, and to recover a sparse 3D point cloud sampling the plants? surfaces. Multiple-view stereo is employed to extend the sparse model to a dense 3D point cloud. The model is automatically segmented by spectral clustering, properly separating the plant?s leaves whose surfaces are estimated by fitting trimmed B-splines to their 3D points. These models are accurate snapshots for the aerial part of the plants at the image acquisition moment and allow the measurement of different features of the specimen phenotype. Such state-of-the-art computer vision techniques are able to produce accurate 3D models for plants using data from a single free moving camera, properly handling occlusions and diversity in size and structure for specimens presenting sparse canopies. A data set formed by the input images and the resulting camera poses and 3D points clouds is available, including data for sunflower and soybean specimens.  aComputer vision  aFenotipagem de planta  aModelagem de planta  aPlant phenotyping  aSegmentação  aSegmentation  aSLAM  aStructure from motion  aVisão computacional1 aKOENIGKAN, L. V.1 aBARBEDO, J. G. A.1 aRODRIGUES, G. C.