公开(公告)号：US20160275699A1

公开(公告)日：2016-09-22

申请号：US15053294

申请日：2016-02-25

Applicant: Hitachi, Ltd.

Inventor： Li LU ,  Satoshi ICHIMURA ,  Tomohiro MORIYAMA ,  Jun NUKAGA ,  Toshiaki ROKUNOHE ,  Akira YAMAGISHI ,  Yasutomo SAITO

IPC: G06T7/40 ,  H04N9/04 ,  G06T7/00

CPC classification number: G06T7/90 ,  G01V8/00 ,  G06T7/0004 ,  G06T7/136 ,  G06T2207/10024 ,  H04N9/045

Abstract: An oil leakage detector of the present invention includes an image processing unit wherein the image processing unit calculates the values of saturation and intensity of each pixel in the color image of the object after an ultra-violet light is irradiated thereon, draws an intensity-saturation characteristic line of the saturation expressed in an X-axis and the intensity expressed in a Y-axis, sets an upper limit and a lower limit of intensity of each saturation as a threshold value based on an area without oil adhesion on the surface of the object, and determines, in the intensity-saturation characteristic line, an area corresponding to a pixel group where the intensity exceeds the threshold value of the upper limit and a pixel group where the intensity falls below the threshold value of the lower limit, to be an oil leakage adhered area.

Abstract translation: 本发明的漏油检测器包括图像处理单元，其中，图像处理单元计算在紫外线照射之后物体的彩色图像中的每个像素的饱和度和强度值，绘制强度饱和度 以X轴表示的饱和特性曲线和Y轴表示的强度，以每个饱和度的强度的上限和下限为基准，基于在 并且在强度 - 饱和度特性线中确定与强度超过上限阈值的像素组相对应的区域和强度低于下限阈值的像素组， 漏油附着区域。