University of Stavanger

Method of optimal directions for frame design

A frame design technique for use with vector selection algorithms, for example matching pursuits (MP), is presented. The design algorithm is iterative and requires a training se...

Dictionary Learning Algorithms for Sparse Representation

Algorithms for data-driven learning of domain-specific overcomplete dictionaries are developed to obtain maximum likelihood and maximum a posteriori dictionary estimates based o...

Multi-frame compression: theory and design

Methodological aspects of rigor in qualitative nursing research on families involved in intensive care units: A literature review

Abstract Rigor has important ramifications for the entire qualitative research process. The aim of this study was to evaluate aspects of methodological congruence by focusing on...