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We describe the application of an active appearance model (AAM) based method to segmentation of the caudate nuclei. A " composite " 3D profile AAM was constructed from the surfaces of 15 subcortical structures using a training set of 50 subjects, and individual AAMs of the left and right caudate constructed from 227 subjects. Segmentation starts with affine(More)
Robotic systems for computer-assisted surgery involve both tools and techniques that are new to the surgical arena. Registration and immobilization in particular are key problems. Registration is the spatial alignment of the coordinate frames of the robot, an anatomic object (e.g., a bone), and the preoperative plan (a computer model). Immobilization is(More)
—This work identifies the factors which determine the behaviour of static interference avoidance schemes: SINR distribution shift, MCS mapping, and proportional MCS usage. The work goes on to challenge the common assumption that it is " best " to give resources with a high reuse factor to those at the cell-edge, by showing for a fixed rate service class,(More)
OBJECTIVE To investigate prenatal ultrasonographic findings associated with megacystis-microcolon-intestinal hypoperistalsis syndrome (MMIHS). METHODS A PubMed search was performed using the terms 'MMIHS', 'MMIH' and 'prenatal diagnosis'. RESULTS A total of 50 cases were analyzed. Prenatal diagnosis was achieved in 26% of cases. In 54% of patients with(More)
OBJECTIVE To identify the molecular basis for prenatally suspected cases of megacystis microcolon intestinal hypoperistalsis syndrome (MMIHS) (MIM 249210) in 3 independent families with clinical and radiographic evidence of MMIHS. METHODS Whole-exome sequencing (WES) and Sanger sequencing of the ACTG2 gene. RESULTS We identified a novel heterozygous de(More)
PURPOSE To evaluate the effectiveness of digital diabetic retinopathy screening in patients aged 90 years and over. METHODS This is a retrospective analysis of 200 randomly selected patients eligible for diabetic retinopathy screening aged 90 years and over within the Birmingham, Solihull, and Black Country Screening Programme. RESULTS One hundred and(More)
—The OTA performance of Frequency Selective Scheduling (WiMAX Band AMC mode) is compared with that of Frequency Diverse Scheduling (WiMAX PUSC mode) as MS velocity is increased for Mobile WiMAX 802.16e. Frequency Selective Scheduling is shown to outperform Frequency Diverse Scheduling for velocities less than 15km/h and demonstrates upto 50% gain in(More)