基于仰视投影的织物悬垂性测试方法

提出一种基于仰视投影的织物悬垂性测量方法。采用CCD摄像头采集织物悬垂边缘的仰视投影图像,并对其进行图像处理和边缘检测,得到完整的织物悬垂边缘数据;对因投影关系而产生畸变的数据进行矫正;计算得到表征织物悬垂性的参数指标。采用传统的基于俯视投影的织物悬垂性测试方法对织物进行测试,得出实验数据。结果表明,基于仰视投影的新型织物悬垂性测试方法可以避免传统俯视投影测量方法在测量轻、薄、柔软织物时,因皱褶折到支撑盘的边缘内部而造成的不可避免的误差。

Testing method of fabric drape based on upward projection

A method to measure the fabric drape based on upward projection was proposed.The upward projected image of the draped fabric edge was collected by the CCD camera.The image processing and contour detection were erformed and all necessary data of the draped fabric edge were obtained.Rectified the data which were distorted because of the projection,calculated the parameter of the fabric drape.Test the fabric by the traditional fabric measurement method based on downward projection and got the experiment data.The two different experiment results indicated the new testing method based on the upward projection can avoid the unavoidable error,which is occurred when the traditional downward projection testing method is used to measure the light,thin and soft fabric owing to the gauffer being turned under the supporting disc and is sheltered by it.