Krzysztof Rakowski

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OBJECTIVES To assess the awareness and voluntary usage of the World Health Organization's Surgical Safety Checklist (WHO SSC), just prior to its mandatory implementation. DESIGN Questionnaire-based, prospective, telephone survey. SETTING Patients are exposed to systematic risks and principles of surgical safety are inconsistently applied even in(More)
A comparison of lossleess compression results is given for RGB, YC R C B and reversible JPEG 2000 color space. The paper describes the general conditions that rounding errors of a color transformation do not cumulate in the consecutive cycles of forward and inverse transformation. In particular, rounding errors of the RGB → YC R C B → RGB transformation do(More)
ACKNOWLEDGEMENTS This dissertation is a result of the fruitful cooperation with my advisor Prof. Marek Domański, who was the spiritus movens for my activity in image compression field. He has introduced me into this subject, showed the basic ideas and theorems and encouraged me to continue my work. I must not forget about my father Marian who was both the(More)
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