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. Una interpretación colorimétrica en clasificaciones fuzzy de imágenes de teledetección. In V Simposium Nacional de Reconocimiento de Formas y Análisis de Imágenes. 1992. pp. 281–287.
. Unsupervised morphological segmentation for images. In IEEE Winter Workshop on Nonlinear Signal Processing. Tampere, Finland; 1993. pp. 21–26.
. Unsupervised segmentation controlled by morphological contrast ext. In ICASSP. 1993. pp. 517–520.
. UNSUPERVISED HIERARCHICAL IMAGE SEGMENTATION USING COMPOUND RANDOM FIELDS. In A Robust Method for Computing 2D Projective invariants of 3D Object Vertices. 1994. pp. 125–136.
. Una Aproximación experimental a las Señales y Sistemas Analógicos. In XV Simposium Nacional de la Unión Científica Internacional de Radio. 2000. pp. 329–330.
. Unbalanced multiple description video coding based on a rate-distortion optimization. Eurasip Journal on Applied Signal Processing. 2003;2003:81–90.
. Unified Access to Heterogeneous Audiovisual Archives. Journal of universal computer science. 2003;9:510–519.
. Unified access to heterogeneous audiovisual archives. In International Conference on Knowledge Management. Graz, Austria; 2003. pp. 1–2.
. Una Enginyeria per a la Societat del Coneixement. In II Congrés d'Enginyeria en Llengua Catalana. 2004.
. UPC Audio, Video and Multimodal Person Tracking Systems in the CLEAR Evaluation Campaign. In CLEAR'06 Evaluation Campaign and Workshop - Classification of Events, Activities and Relationships. 2006. pp. 93–104.
. On the use of indexing metadata to improve the efficiency of video compression. IEEE transactions on circuits and systems for video technology. 2006;16:410–419. 
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(485.83 KB). UPC Audio, Video and Multimodal Person Tracking Systems in the CLEAR Evaluation Campaign. In Lecture notes in computer science. Berlin / Heidelberg: Springer; 2007. pp. 93–104.
. Unbiased group-wise alignment by iterative central tendency estimations. Mathematical modeling of natural phenomena. 2008;3:2–32.
. A Unified Framework for Consistent 2D/3D Foreground Object Detection. IEEE transactions on circuits and systems for video technology. 2008;18:1040–1051.
. A Unified Framework for Consistent 2D/3D Foreground Object Detection. . Universitat Politècnica de Catalunya (UPC); 2008.
. Upper-bound assessment of the spatial accuracy of hierarchical region-based image representations. In IEEE International Conference on Acoustics, Speech, and Signal Processing. 2012. pp. 865-868.
. UPC at MediaEval 2013 Hyperlinking Task. In MediaEval 2013 Workshop. Barcelona, Catalonia: CEUR Workshop Proceedings Vol-1043; 2013. (1.62 MB)
(1.62 MB). UPC at MediaEval 2013 Social Event Detection Task. In MediaEval 2013 Workshop. Barcelona, Catalonia: CEUR Workshop Proceedings; 2013. (3.65 MB)
(3.65 MB). UPC at MediaEval 2014 Social Event Detection Task. In MediaEval 2014 Workshop. Barcelona: CEUR Workshop Proceedings; 2014. (112.06 KB)
(112.06 KB). UPC System for the 2015 MediaEval Multimodal Person Discovery in Broadcast TV task. In MediaEval 2015 Workshop. Wurzen, Germany; 2015. (163.11 KB)
(163.11 KB). UPC-UB-STP @ MediaEval 2015 Diversity Task: Iterative Reranking of Relevant Images. In MediaEval 2015 Workshop. 2015. (158.17 KB)
(158.17 KB). On the use of binary partition trees for the tree crown segmentation of tropical rainforest hyperspectral images. Remote Sensing of Environment. 2015;159:318-331. (3.06 MB)
(3.06 MB). UPC System for the 2016 MediaEval Multimodal Person Discovery in Broadcast TV task. In MediaEval 2016 Workshop. Hilversum, The Netherlands; 2016. (174.87 KB)
(174.87 KB). UPC Multimodal Speaker Diarization System for the 2018 Albayzin Challenge. In IberSpeech 2018. Barcelona; 2018. (379.14 KB)
(379.14 KB). Unsupervised GRN Ensemble. In Sanguinetti G., Huynh-Thu V. (eds) Methods in Molecular Biology . New York, NY: Springer science, Humana Press; 2019. pp. 283-302.