公开(公告)号：US10887500B2

公开(公告)日：2021-01-05

申请号：US15413431

申请日：2017-01-24

Applicant: Hong Kong Applied Science and Technology Research Institute Co. Ltd.

Inventor： Changli Wu ,  Ying Liu

IPC: H04N5/225 ,  G06T7/00 ,  G01N21/88

Abstract: Optical inspection system detects defects of an object, such as an electronic device during manufacturing. The optical inspection system includes a first linear light source that irradiates a first light beam on a top surface of the object along a scan line across the width of the object. A second linear light source forms an angle with the first linear light source and irradiates a second light beam on a side surface of the object. A camera receives scattered light from the top surface and the side surface of the object and captures a subimage of the object along the scan line. An image processing system receives each subimage from the camera, stitches the subimages, and detects defects on the top surface and the side surface of the object.

公开(公告)号：US09298076B2

公开(公告)日：2016-03-29

申请号：US14147577

申请日：2014-01-05

Applicant: Hong Kong Applied Science and Technology Research Institute Co. Ltd.

Inventor： Changli Wu ,  Xuyan Huang ,  Ying Liu

IPC: G03B21/28 ,  G03B21/14

CPC classification number: G03B21/28 ,  A61B90/36 ,  A61B2090/366 ,  G03B21/142

Abstract: An image projector for augmenting the appearance of a physical object is disclosed, also known as an augmented reality projector. The augmented reality projector comprises an optical arrangement to provide the possibility of precise matching of a projected image of the physical object back onto the object itself, instead of using digital image processing to do so. Digital image processing may be used to enhance features of the image and is not required for resizing or orienting the image to the object. This reduces the need for computational power to process the image and spares processing resources to refresh the image in real time. Accordingly, the processed image can be refreshed to change the appearance of a moving object. Furthermore, the precise matching provides the possibility of using projected images a graphical use interface, as movements of a user's fingers on the interface can be determined accurately.

Abstract translation: 公开了用于增强物体的外观的图像投影仪，也称为增强现实投影仪。 增强现实投影仪包括光学装置，以提供将物理对象的投影图像精确地匹配到对象本身上的可能性，而不是使用数字图像处理来实现。 数字图像处理可以用于增强图像的特征，并且不需要将图像调整或定向到对象。 这减少了对计算能力的需要，以处理图像并备份处理资源来实时刷新图像。 因此，可以刷新处理的图像以改变移动物体的外观。 此外，精确匹配提供了使用投影图像图形使用界面的可能性，因为可以准确地确定用户手指在界面上的移动。

公开(公告)号：US20190226997A1

公开(公告)日：2019-07-25

申请号：US15877638

申请日：2018-01-23

Applicant: Hong Kong Applied Science And Technology Research Institute Co. Ltd.

Inventor： Vladislav Nitikin ,  Wang Fei Ng ,  Ka Kit Wong ,  Xiaozhe Ren ,  Ying Liu

IPC: G01N21/88 ,  G01N21/958

Abstract: The invention provides an apparatus for inspecting a light transmissible optical component. The apparatus comprises an image capturing module arranged on a first side of a support configured to hold a light transmissible optical component whilst it is being inspected. The apparatus includes an illumination device configured to shape light from a light source and to illuminate a selected portion of a surface of said light transmissible optical component with said shaped light to enable the image capturing module to capture any of a bright field image, a dark field image, or a combined bright field and dark field image of the light transmissible optical component being held by the support.