瑞典Qualisys 
瑞典Qualisys公司是全球第一家研制运动解析及步态分析的专业厂家，已在全球拥有数千个用户。Qualisys光学运动捕捉与分析系统由高速红外摄像系统和运动采集分析软件组成的，可快速精确的对运动进行捕捉和分析，得出人体运动的角度、速度、加速度、空间坐标等参数。Qualisys系统支持室内和室外测试需要，可应用于步态分析、运动员技术动作合理性分析及假肢支具的研发等领域。

Qualisys is a leading, global provider of products and services based on optical motion capture. The measurement systems consist of high speed, precision motion capture cameras and advanced software for tracking and analysis of motion data. The core technology of Qualisys products has been developed in Sweden since 1989. The experienced Qualisys staff has created a unique platform for optical motion capture, built to medical and industrial standards.

Qualisys is located in the central part of the Gothenburg harbor area, close to the beautiful archipelago of the Swedish west coast. Gothenburg is Sweden’s largest merchant and industrial city, with many high technology companies. Qualisys has a long track record as a supplier of high quality motion capture products and can offer the end user products that provide optimum price/performance.