Search results for "appearance"

2014

Background and Purpose In 2007, the WHO classification of brain tumors was extended by three new entities of glioneuronal tumors: papillary glioneuronal tumor (PGNT), rosette-forming glioneuronal tumor of the fourth ventricle (RGNT) and glioneuronal tumor with neuropil-like islands (GNTNI). Focusing on clinical characteristics and outcome, the authors performed a comprehensive individual patient data (IPD) meta-analysis of the cases reported in literature until December 2012.

Subjective Assessment of Head and Facial Appearance in Children with Craniosynostoses after Surgical Treatment

2018

Background: Craniosynostoses are congenital defects in the construction of the skull involving premature fusion of one or more cranial sutures. Premature fusion of sutures causes characteristic skull deformation(s). This affect the structure and thus the appearance of the entire head and face. The aim of this study was to analyze parents&rsquo

Van der Woude syndrome- a syndromic form of orofacial clefting

2012

Van der Woude Syndrome is the most common form of syndromic orofacial clefting, accounting for 2% of all cases, and has the phenotype that most closely resembles the more common non-syndromic forms. The syndrome has an autosomal dominant hereditary pattern with variable expressivity and a high degree of penetrance with cardinal clinical features of lip pits with a cleft lip, cleft palate, or both. This case report describes van der Woude syndrome in a 19 year old male patient with a specific reference to the various aspects of this condition, as clinical appearance, etiological factors (genetic aspects), differential diagnosis, investigative procedures and management. Key words:Cleft palate…

Portret staruszki w rosyjskiej memuarystyce kobiecej XIX wieku

2017

Portrayal of an old woman in the memoirs written bythe nineteenth century Russian womenIn the present article has been analysed portrayals of older women which appear in the memoirs of the nineteenth century Russian women writers. J. Sushkova, A. Kern and A. Smirnova­-Rosset in their memoirs most often depict remarkable family members such as grandmothers and aunts, family friends. They focus on the analysis of their personalities, spiritual values and kind-heartedness rather than their physical appearance and signs of physical aging. Among the old ladies portrayed in the memoirs we encounter pious women, wise, experienced, understanding and hospitable women as well as overbearing women or …

A probabilistic framework for automatic prostate segmentation with a statistical model of shape and appearance

2011

International audience; Prostate volume estimation from segmented prostate contours in Trans Rectal Ultrasound (TRUS) images aids in diagnosis and treatment of prostate diseases, including prostate cancer. However, accurate, computationally efficient and automatic segmentation of the prostate in TRUS images is a challenging task owing to low Signal-To-Noise-Ratio (SNR), speckle noise, micro-calcifications and heterogeneous intensity distribution inside the prostate region. In this paper, we propose a probabilistic framework for propagation of a parametric model derived from Principal Component Analysis (PCA) of prior shape and posterior probability values to achieve the prostate segmentatio…

Texture Guided Active Appearance Model Propagation for Prostate Segmentation

2010

Fusion of Magnetic Resonance Imaging (MRI) and Trans Rectal Ultra Sound (TRUS) images during TRUS guided prostate biopsy improves localization of the malignant tissues. Segmented prostate in TRUS and MRI improve registration accuracy and reduce computational cost of the procedure. However, accurate segmentation of the prostate in TRUS images can be a challenging task due to low signal to noise ratio, heterogeneous intensity distribution inside the prostate, and imaging artifacts like speckle noise and shadow. We propose to use texture features from approximation coefficients of Haar wavelet transform for propagation of a shape and appearance based statistical model to segment the prostate i…

Apparence des matériaux, Vision artificielle, Inspection qualité, Reflectance Transformation Imaging

2022

Mastering the visual perception of the surfaces of manufactured products is a central issue for industry. However, in industry, the quality of surfaces is often assessed by human inspectors. Only a few specific cases use an instrumental or photometric approach. Among the photometric approaches, one of them is experiencing significant growth: Reflectance Transformation Imaging (RTI). However, this technique has limitations in terms of data acquisition and processing. The objective is therefore to correct some of these limitations in order to improve the RTI and, consequently, the visual quality control of surface conditions in industry.The current RTI systems are limited and cannot meet our …

RAPPRESENTANZA E DIRITTO EUROPEO

2011

Il lavoro propone una riflessione diretta a cogliere l'influenza che i dati "europei" offrono ad una ricostruzione della rappresentanza. In particolare si parte dalla questione relativa ad una possibile rilevanza del fenomeno rappresentativo nell'ambito dei rapporti c.d. consumeristici, interrogandosi sul se e come vi sia spazio in regole che hanno nella qualità delle parti il loro ambito di riferimento per un fenomeno di sostituzione, qual è la rappresentanza. Viene così analizzato il dibattito interno relativo al concetto di parte, così come emerge nella riflessione sul negozio rappresentativo, per poi esaminare la questione dall'angolo visuale del consumatore, alla luce di quella che app…

Indoor lighting quality: Effects of different wall colours

2016

This paper reports the results of measurements performed in a test room to investigate the impact of using different wall colours and light scenes on indoor lighting quality. Eye level spectral irradiances were measured for a user located inside the room and seated at a desk. These measurements allow the use of the Irradiance Toolbox, which makes it possible to calculate equivalent illuminances for the photopigments in the human eye. Moreover, the CIECAM02 colour appearance model was used to investigate the variations in hue and chroma values of the different wall colours when changing the light scene. The results demonstrate that there are significant variations in eye level spectral irra…

Pedestrian Tracking in 360 Video by Virtual PTZ Cameras

2018

Since the data acquired by a PTZ camera change while adjusting the pan, tilt and zoom parameters, the results of tracking algorithms are difficult to reproduce; such diffi- culty limits the development and the comparison of tracking algorithms with PTZ cameras. The recently introduced 360- degree cameras acquire spherical views of the environment, generally stored as equirectangular images. Each pixel of an equirectangular image corresponds to a point on the spherical surface. A gnomonic projection can be used to project the points on the spherical surface onto a plane tangent to the sphere. Such tangent plane can be interpreted as the image plane of a virtual PTZ camera oriented towards th…