Literatura académica sobre el tema "Détection des mouvements physiologiques"
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Artículos de revistas sobre el tema "Détection des mouvements physiologiques"
Mialet, J. P. "Benzodiazépines et Mesures de L’attention". Psychiatry and Psychobiology 3, S2 (1988): 139s—147s. http://dx.doi.org/10.1017/s0767399x00002157.
Texto completoMarsy, Guilhem, Flavien Vernier, William Castaings, Xavier Bodin y Emmanuel Trouvé. "Détection automatique de zones en mouvement dans des séries d'images non recalées~: Application à la surveillance des mouvements gravitaires". Revue Française de Photogrammétrie et de Télédétection, n.º 217-218 (21 de septiembre de 2018): 25–32. http://dx.doi.org/10.52638/rfpt.2018.413.
Texto completoRaucoules, Daniel, Elisabeth Simonetto y Bénédicte Fruneau. "Observation et suivi de déformations de surface d'origine anthropique par interferométrie radar satellitaire". Revue Française de Photogrammétrie et de Télédétection, n.º 219-220 (19 de enero de 2020): 73–82. http://dx.doi.org/10.52638/rfpt.2019.469.
Texto completoBAREILLE, N. "Le mal-être de l’animal malade et sa gestion en élevage". INRAE Productions Animales 20, n.º 1 (7 de marzo de 2007): 87–92. http://dx.doi.org/10.20870/productions-animales.2007.20.1.3440.
Texto completoPELLICER-RUBIO, Maria-Thérésa, Karine BOISSARD, Juraj GRIZELJ, SILVIJO VINCE, Sandrine FRÉRET, Alice FATET y Antonio LÓPEZ-SEBASTIAN. "Vers une maîtrise de la reproduction sans hormones chez les petits ruminants". INRA Productions Animales 32, n.º 1 (14 de marzo de 2019): 51–66. http://dx.doi.org/10.20870/productions-animales.2019.32.1.2436.
Texto completoGhoubril, Joseph, Roland Kmeid, Rania Nassar, Elie Amm, Marwan Mansour y Roula Akl. "L’approche orthodontico-chirurgicale revisitée". L'Orthodontie Française 86, n.º 1 (marzo de 2015): 23–30. http://dx.doi.org/10.1051/orthodfr/2015003.
Texto completoBenmebarek, Zoubir. "Infanticide following a postpartum psychosis". Batna Journal of Medical Sciences (BJMS) 2, n.º 1 (30 de junio de 2015): 78–81. http://dx.doi.org/10.48087/bjmscr.2015.2118.
Texto completoBon, Guillaume. "La physiothérapie chez les équidés : une approche complémentaire de la pratique vétérinaire classique". Le Nouveau Praticien Vétérinaire équine 15, n.º 54 (2021): 6–12. http://dx.doi.org/10.1051/npvequi/54006.
Texto completoMOUNIER, L., M. MARIE y B. J. LENSINK. "Facteurs déterminants du bien-être des ruminants en élevage". INRAE Productions Animales 20, n.º 1 (6 de mayo de 2020): 65–72. http://dx.doi.org/10.20870/productions-animales.2007.20.1.3437.
Texto completoPerry, Roland, Richard Rolfe y David Wharton. "Electrophysiological activity during recovery from anhydrobiosis in fourth stage juveniles of Ditylenchus dipsaci". Nematology 2, n.º 8 (2000): 881–86. http://dx.doi.org/10.1163/156854100750112824.
Texto completoTesis sobre el tema "Détection des mouvements physiologiques"
Serieyssol, Alizée. "Correction des mouvements physiologiques sans appareillage externe en TEP : applications aux acquisitions à faible statistique pour la radioembolisation hépatique et la cardiologie". Electronic Thesis or Diss., Bordeaux, 2024. http://www.theses.fr/2024BORD0355.
Texto completoPositron emission tomography (PET) is an essential imaging modality for diagnosis and therapeutic follow-up in oncology. Physiological motion can degrade image quality and affect the diagnostic accuracy and quantification of PET images. This research program focuses on the detection of physiological motion (respiration and cardiac beating) without the use of an external device for very specific clinical applications. Methods to compensate for these movements will be developed to reconstruct an image corrected for these effects. Two clinical applications have been identified to evaluate the implemented methods. The first concerns hepatic radioembolization based on 90Y PET imaging, which requires the development of methods to detect and correct for respiratory motion for data with very low counting statistics. The second is 18F-FDG cardiac PET imaging, involving the development of a method for the dual detection of respiratory and cardiac movements, as well as methods for compensating for these two physiological movements. The results obtained with the proposed detection methods are compared with those obtained with external devices: a bellow (46-265679G-1, GE HealthCare) for the respiratory signals and an electrocardiogram (ECG) for the cardiac signal. Two correction methods are proposed for hepatic radioembolization and their impact on post-treatment dosimetry was evaluated in comparison with results obtained without the use of correction methods. The first method developed consists in keeping only the quiescent phase of the respiratory cycle, while the second uses all the statistics, proposing a rigid registration between all the respiration phases. Two other methods have been implemented for cardiology, based on the estimation of 3D deformation vectors obtained from cardiac and respiratory triggers calculated with the proposed detection method. The first method estimates these deformation vectors through a rigid registration between the images of each respiratory cycle, while the second method uses the different volumes of the heart. In this method, 3D deformation vectors are calculated by identifying the end diastolic and end systolic volumes. The efficacity of these methods is evaluated by comparing the images obtained using these methods with the non-motion-corrected images, as well as with the image reconstructed with the correction method used in clinical routine on PET/CT cameras (Q.Static algorithm, General Electric HealthCare). The obtained results demonstrate a real improvement in terms of image quality, with better results for cardiological images than those obtained with the correction method used in clinical routine. Dosimetric results obtained with both correction methods for Yttrium-90 data show an increase of the tumor dose
Truong, Charles. "Détection de ruptures multiples – application aux signaux physiologiques". Thesis, Université Paris-Saclay (ComUE), 2018. http://www.theses.fr/2018SACLN030/document.
Texto completoThis work addresses the problem of detecting multiple change points in (univariate or multivariate) physiological signals. Well-known examples of such signals include electrocardiogram (ECG), electroencephalogram (EEG), inertial measurements (acceleration, angular velocities, etc.). The objective of this thesis is to provide change point detection algorithms that (i) can handle long signals, (ii) can be applied on a wide range of real-world scenarios, and (iii) can incorporate the knowledge of medical experts. In particular, a greater emphasis is placed on fully automatic procedures which can be used in daily clinical practice. To that end, robust detection methods as well as supervised calibration strategies are described, and a documented open-source Python package is released.The first contribution of this thesis is a sub-optimal change point detection algorithm that can accommodate time complexity constraints while retaining most of the robustness of optimal procedures. This algorithm is sequential and alternates between the two following steps: a change point is estimated then its contribution to the signal is projected out. In the context of mean-shifts, asymptotic consistency of estimated change points is obtained. We prove that this greedy strategy can easily be extended to other types of changes, by using reproducing kernel Hilbert spaces. Thanks this novel approach, physiological signals can be handled without making assumption of the generative model of the data. Experiments on real-world signals show that those approaches are more accurate than standard sub-optimal algorithms and faster than optimal algorithms.The second contribution of this thesis consists in two supervised algorithms for automatic calibration. Both rely on labeled examples, which in our context, consist in segmented signals. The first approach learns the smoothing parameter for the penalized detection of an unknown number of changes. The second procedure learns a non-parametric transformation of the representation space, that improves detection performance. Both supervised procedures yield finely tuned detection algorithms that are able to replicate the segmentation strategy of an expert. Results show that those supervised algorithms outperform unsupervised algorithms, especially in the case of physiological signals, where the notion of change heavily depends on the physiological phenomenon of interest.All algorithmic contributions of this thesis can be found in ``ruptures'', an open-source Python library, available online. Thoroughly documented, ``ruptures'' also comes with a consistent interface for all methods
Ginhoux, Romuald. "Compensation des mouvements physiologiques en chirurgie robotisée par commande prédictive". Phd thesis, Université Louis Pasteur - Strasbourg I, 2003. http://tel.archives-ouvertes.fr/tel-00004633.
Texto completoMandry, Damien. "Analyse et gestion des mouvements physiologiques en IRM thoraco-abdominale". Thesis, Nancy 1, 2009. http://www.theses.fr/2009NAN10096/document.
Texto completoMagnetic Resonance Imaging (MRI) has become a major medical Imaging technique thanks to high temporal and spatial resolution, as well as to its abilities to distinguish between tissues. On one hand, MRI examinations of thoracic and abdomino-pelvic organs are compromised by the motions induced by circulation and respiration, but on the other hand, MRI is a non-invasive and precise tool to study these displacements. We have shown, in a group of patients with cystic fibrosis (CF), that the diaphragmatic course was around 1 to 2cm, as it is in normal subjects. In another study, we have found that motions of the kidney was in the same range in infants and in adults, despite the difference in the size of this organ; this is a major cause of error when performing functional analysis. Managing these motions is based upon breath holding and synchronization, both remaining imperfect. Thus, we showed how an in-lab dual synchronization, both cardiac and respiratory, improved quality of lung images in the patients with CF, and how we managed realizing high quality cardiac cine-MRI using the GRICS algorithm. At last, we discuss the specific difficulties of kinetic imaging of contrast agents through a few studies, and explain the bases of an efficient registration method
Delacourt, Christophe. "Détection et analyse de mouvements de surface par interféromètre différentielle". Paris, Institut de physique du globe, 1997. http://www.theses.fr/1997GLOB0006.
Texto completoOtt, Laurent. "Compensation des mouvements physiologiques en endoscopie flexible : application à la chirurgie transluminale". Strasbourg, 2009. http://www.theses.fr/2009STRA6233.
Texto completoTransluminal surgery, also called NOTES (Natural Orifice Transluminal Endoscopic Surgery), consists of accessing the peritoneal cavity by passing through a natural orifice and then to make an opening in an inner wall to accomplish treatments. Conventional flexible endoscopes used nowadays to perform these procedures have a distal bending tip controlled by two navigation wheels located on the handle. They also provide a visual feedback from an optical system (CCD camera) embedded at the tip of the endoscope. These tools are quite awkward for the surgeons as the control interface is non intuitive and the visibility is poor. In order to supply a robotic assistance to the praticians during flexible endoscopy interventions, we have developed an automated positioning system of the endoscope tip. The objective is to realize a virtual link between the tip of the endoscope and an anatomical target despite the physiological motions, the interaction of the instruments with the environment and the manually controlled forward/backward motion of the endoscope. The pratician can thereby focus on the manipulation of the endoscopic tools while the bending section compensate the occurring disturbances. The virtual link between the tip and the anatomical target is performed using a 2D visual servoing scheme in association with the selection of relevant visual features
Picot, Antoine. "Détection d'hypovigilance chez le conducteur par fusion d'informations physiologiques et vidéo". Phd thesis, Grenoble INPG, 2009. http://www.theses.fr/2009INPG0087.
Texto completoDrowsiness is the transition between the awake state and sleep where one's abilities to observe and analyse are strongly reduced. So, drowsiness is responsible for a huge number of road accidents. A drowsiness detection system is presented in this PhD. This system uses both driver's brain activity (through electroencephalogram or EEG) and driver's video analysis to detect drowsiness. A non-supervised method using a single EEG channel is first proposed. Several techniques of diagnostic and signal processing are used in this method. The method obtains good results on a large number of different drivers without tuning any parameters. Drowsiness visual indicatiors have also been studied thanks to a video analysis. The proposed video analysis has been compared to the traditional electro-oculogram (EOG) approach to study the relevance of the video analysis. This comparison highlights the need of a high frame rate camera (which frame rate can reach 200fps) for blinks characterisation. This study leads to drowsiness detection system based on blinks video characterisation. Both EEG and video methods are at last been merged using fuzzy logic to obtain a 2-levels drowsiness detection system. All these methods have been tested and validated on a consistent database of twenty different drivers which was evaluated by a specialist doctor
Picot, Antoine. "Détection d'hypovigilance chez le conducteur par fusion d'informations physiologiques et vidéo". Phd thesis, Grenoble INPG, 2009. http://tel.archives-ouvertes.fr/tel-00440959.
Texto completoGuerra, Rui Felblinger Jacques. "Intégration des mouvements physiologiques en tomodensitométrie estimation, reproduction et influence en imagerie cardiaque /". S. l. : S. n, 2007. http://www.scd.inpl-nancy.fr/theses/2007_GUERRA_R.pdf.
Texto completoGuerra, Rui. "Intégration des mouvements physiologiques en tomodensitométrie : estimation, reproduction et influence en imagerie cardiaque". Thesis, Vandoeuvre-les-Nancy, INPL, 2007. http://www.theses.fr/2007INPL003N/document.
Texto completoThe new idea presented in this work takes into account patient motion in the acquisition and reconstruction processes. For this work, the complete acquisition system has been developed in order to reproduce physiologic motion, analyse their effect and propose correction methods to reduce image artefacts. A new methodology based on Doppler Tissue Imaging was used to find the motion in three dimensions of several coronary artery segments. Based on these data, optimal temporal windows were defined for reconstruction and an analysis of the ideal temporal window in the heart cycle was proposed. Both motion models were then used the control of a motion platform and as input for computer simulations. A first analysis carried on coronary calcification showed the influence of respiratory motion. Estimation and correction of motions were then performed on CT raw data and simulated motion. This works shows that it is necessary to include motion in the acquisition/reconstruction algorithms in CT
Libros sobre el tema "Détection des mouvements physiologiques"
Takao, Kumazawa, Kruger Lawrence y Mizumura Kazue, eds. The polymodal receptor: A gateway to pathological pain. Amsterdam: Elsevier, 1996.
Buscar texto completo(Editor), T. Kumazawa, L. Kruger (Editor) y K. Mizumura (Editor), eds. The Polymodal Receptor - A Gateway to Pathological Pain (Progress in Brain Research). Elsevier Science, 1996.
Buscar texto completoCapítulos de libros sobre el tema "Détection des mouvements physiologiques"
LACROIX, Pascal, Benedetta DINI y Aya CHEAIB. "Mesure de la cinématique des mouvements de terrain lents à partir d’images satellites". En Mesure du déplacement de surface à partir d’images de télédétection, 353–79. ISTE Group, 2024. https://doi.org/10.51926/iste.9083.ch10.
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