Total hip arthroplasty is the most frequently performed artificial joint replacement in the human body. During the planning phase, it is necessary to measure anatomical and functional parameters to take the individual anatomy and biomechanics of the patient into account. A manual identification, requires medical knowledge, is time-consuming and error-prone. Therefore, a robust and automatic detection process is preferable. A (semi-)automatic framework is developed to determine patient-specific morphological and functional parameters of the hip. Correlations between these parameters and the postoperative function of the hip are investigated to identify important parameters that should be considered in the preoperative planning process.