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The usability of the software system for capturing picture is important factor for the mobile phone's interface design, which will partly determine customers' appreciation of the value of the service. Review from a human factors perspective, there are various methods for evaluating usability. However, there are no definite criteria for testing the usability of mobile phone camera software systems. This study presents a new framework for usability testing based on a typical human information processing. Usability is classified into four dimensions for testing: perception, learning/memorization, control/action and evaluative feeling. Furthermore, the criteria for testing the four dimensions of usability are defined for mobile phone camera software systems. Three different camera mobile phones are studied and compared based on task analysis and evaluation of the criteria proposed for usability testing in this study. The usability problems of three mobile phone camera software systems are identified. Suggestions for usability improvement are presented
Qiu et al. (Thu,) studied this question.