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@inproceedings{1603299, author = {Sedmidubský, Jan and Budíková, Petra and Dohnal, Vlastislav and Zezula, Pavel}, address = {Cham}, booktitle = {42nd European Conference on Information Retrieval (ECIR)}, doi = {http://dx.doi.org/10.1007/978-3-030-45439-5_35}, keywords = {3D skeleton sequence;motion word;motion vocabulary;quantization;border problem;text-based processing}, howpublished = {elektronická verze "online"}, language = {eng}, location = {Cham}, isbn = {978-3-030-45438-8}, pages = {527-541}, publisher = {Springer}, title = {Motion Words: A Text-like Representation of 3D Skeleton Sequences}, year = {2020} }
TY - JOUR ID - 1603299 AU - Sedmidubský, Jan - Budíková, Petra - Dohnal, Vlastislav - Zezula, Pavel PY - 2020 TI - Motion Words: A Text-like Representation of 3D Skeleton Sequences PB - Springer CY - Cham SN - 9783030454388 KW - 3D skeleton sequence;motion word;motion vocabulary;quantization;border problem;text-based processing N2 - There is a growing amount of human motion data captured as a continuous 3D skeleton sequence without any information about its semantic partitioning. To make such unsegmented and unlabeled data efficiently accessible, we propose to transform them into a text-like representation and employ well-known text retrieval models. Specifically, we partition each motion synthetically into a sequence of short segments and quantize the segments into motion words, i.e. compact features with similar characteristics as words in text documents. We introduce several quantization techniques for building motion-word vocabularies and propose application-independent criteria for assessing the vocabulary quality. We verify these criteria on two real-life application scenarios. ER -
SEDMIDUBSKÝ, Jan, Petra BUDÍKOVÁ, Vlastislav DOHNAL and Pavel ZEZULA. Motion Words: A Text-like Representation of 3D Skeleton Sequences. Online. In \textit{42nd European Conference on Information Retrieval (ECIR)}. Cham: Springer, 2020, p.~527-541. ISBN~978-3-030-45438-8. Available from: https://dx.doi.org/10.1007/978-3-030-45439-5\_{}35.
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