Search Results - "Ugalde, F."
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Adult intussusception: a video vignette
Published in Techniques in coloproctology (01-03-2022)Get full text
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The Effects of Replacing Native Forest on the Quantity and Impacts of In‐Channel Pieces of Large Wood in Chilean Streams
Published in River research and applications (01-01-2017)“…Dead trees in rivers can significantly affect their morphological and ecological properties by increasing flow resistance, affecting sediment transport, and…”
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z transform from lowpass to bandpass by Pascal matrix
Published in IEEE signal processing letters (01-02-2004)“…In this letter, the Pascal matrix is used to transform the normalized analog transfer function H(s) from the lowpass to the bandpass discrete transfer function…”
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The bilinear Z transform by Pascal matrix and its application in the design of digital filters
Published in IEEE signal processing letters (01-11-2002)“…In this letter, the Pascal matrix is used for transforming the normalized analog transfer function H(s) from the lowpass to the lowpass and highpass discrete…”
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Digital Color Images Ownership Authentication via Efficient and Robust Watermarking in a Hybrid Domain
Published in Radioengineering (01-06-2017)“…We propose an efficient, imperceptible and highly robust digital watermarking scheme applied to color images for ownership authentication purposes. A hybrid…”
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Copyright Protection of Color Imaging Using Robust-Encoded Watermarking
Published in Radioengineering (01-04-2015)“…In this paper we present a robust-encoded watermarking method applied to color images for copyright protection, which presents robustness against several…”
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Assessment of cervical involvement in endometrial carcinoma by hysteroscopy and directed biopsy
Published in International journal of gynecological cancer (01-01-2008)“…The objective of this study was to assess the diagnostic validity of hysteroscopy and directed biopsy for assessing cervical involvement in endometrial…”
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A massive rock and ice avalanche caused the 2021 disaster at Chamoli, Indian Himalaya
Published in Science (American Association for the Advancement of Science) (16-07-2021)“…A deadly cascade A catastrophic landslide in Uttarakhand state in India on February 2021 damaged two hydropower plants, and more than 200 people were killed or…”
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Sudden large-volume detachments of low-angle mountain glaciers – more frequent than thought?
Published in The cryosphere (12-04-2021)“…The detachment of large parts of low-angle mountain glaciers resulting in massive ice–rock avalanches have so far been believed to be a unique type of event,…”
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Design of state digital filters
Published in IEEE transactions on signal processing (01-09-1998)“…In this correspondence, we develop a very simple algorithm for the design of a second-order state-space digital filter. The design equations presented here…”
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Comparison of the Efficacy and Tolerability of Dexketoprofen and Ketoprofen in the Treatment of Primary Dysmenorrhea
Published in Journal of clinical pharmacology (01-12-1998)“…Dexketoprofen, the pure S(+)‐enantiomer of ketoprofen, is a promising new analgesic, but few clinical trials have yet examined its efficacy and tolerability…”
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On the design of state-space digital filters
Published in 2008 IEEE International Symposium on Signal Processing and Information Technology (01-12-2008)“…First part of this paper a very simple algorithm for the design of a second-order state-space digital filter (SDF) was developed on the condition that the…”
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Conference Proceeding -
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A fast and effective method for static video summarization on compressed domain
Published in Revista IEEE América Latina (01-11-2016)“…Current advances in information technologies have led to the creation of huge video databases. Efficient and effective video summarization methods are needed…”
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tex<$z$>/tex<Transform From Lowpass to Bandpass by Pascal Matrix
Published in IEEE signal processing letters (01-02-2004)Get full text
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Single agent epirubicin in squamous cell cervical cancer. A phase II trial
Published in Acta oncologica (1991)“…Thirty consecutive patients with FIGO stage III-IV, squamous cell uterine cervix cancer were entered in a phase II trial evaluating activity and safety of…”
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Use of a pyramidal and polynomial transform for image sequence coding
Published in [Proceedings] ICASSP-92: 1992 IEEE International Conference on Acoustics, Speech, and Signal Processing (1992)“…An polynomial transform is used to decompose frames of an image sequence. For this purpose, a multiresolution expansion of images is constructed. The…”
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Conference Proceeding -
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Influence of cocaine self-administration on learning related to prefrontal cortex or hippocampus functioning in rats
Published in Psychopharmacologia (01-09-2005)“…Individuals who abuse cocaine have cognitive deficits, particularly in functions associated with the orbitofrontal cortex. It is not clear to what extent the…”
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Prediction of action outcomes using an object model
Published in 2010 IEEE/RSJ International Conference on Intelligent Robots and Systems (01-10-2010)“…When a robot wants to manipulate an object, it needs to know what action to execute to obtain the desired result. In most of the cases, the actions that can be…”
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Prenatal ultrasound diagnosis of fetal teratoma of the neck
Published in Journal of clinical ultrasound (01-01-1984)Get more information
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