Photographic Observations at Johannesburg.

Radiographic viewing conditions at Johannesburg Hospital

PURPOSE To measure the luminance level of X-ray viewing boxes and ambient lighting levels in reporting rooms as a quality assurance procedure, and to compare the results with those recommended by the Directorate of Radiation Control, South Africa (DRC), European Commission (EC) and Nordic Radiation Protection Co-operation (NORDIC). MATERIALS AND METHODS All the viewing boxes housed at the Div...

Preparation of children for hospitalisation at the Johannesburg Hospital.

’n Voorbereidingsprogram om aan die kind se sielkundige behoeftes te voldoen is by Johannesburg-hospitaal ontwikkel. Algemene programm e word aangebicd vir kleuterskoolgroepe en kinders wat chirugie moet ondergaan word genooi om spesiale programm e by te woon. Die programme bestaan uit ’n toer, poppeteater en spel met hospitaalklere en apparaat. Kinders word met opname en na chirurgie verder on...

The Xtrieval Framework at CLEF 2008: ImageCLEF Photographic Retrieval Task

This paper describes our participation at the ImageCLEF photographic retrieval task. We used our Xtrieval framework for the preparation and execution of the experiments. This year, we submitted 4 experiments in total. The experiments showed that our thesaurus based query expansions works well in improving the geometric mean average precision (GMAP) and binary preference (BPREF), but deteriorate...

Rosenblum: Photographers at Work: A Sociology of Photographic Styles

Letter from Johannesburg.