公开(公告)号：US20140078471A1

公开(公告)日：2014-03-20

申请号：US14026310

申请日：2013-09-13

Applicant: STMicroelectronics N.V.

Inventor： Laurent CUISENIER ,  Frederique ROFFET

IPC: G02B27/22 ,  G03B21/14

CPC classification number: G02B27/22 ,  G02B27/646 ,  G03B21/14 ,  H04N9/3173 ,  H04N9/3185 ,  H04N9/3194

Abstract: It is proposed a method for the projection of a sequence of images onto a projection surface by a handheld device having an embedded projector, said method comprising, for an input image to be projected of said sequence of images: a step of evaluation wherein a spatial position variation is evaluated with respect to a reference spatial position of said handheld device; and said spatial position variation is defined by a spatial orientation variation and a spatial vector variation; said spatial vector variation being determined by 3 independent coordinates; and at least one of said 3 independent coordinates is provided by a stereoscopic sensor; a step of compensation wherein a compensated image is generated from said input image to be projected depending on said spatial position variation; and a step of projecting onto said projection surface said compensated image.

Abstract translation: 提出了一种用于通过具有嵌入式投影仪的手持式设备将一系列图像投影到投影表面上的方法，所述方法包括：用于投影所述图像序列的输入图像：评估步骤，其中空间 相对于所述手持装置的参考空间位置评估位置变化; 并且所述空间位置变化由空间取向变化和空间矢量变化来定义; 所述空间矢量变化由3个独立坐标确定; 并且所述3个独立坐标中的至少一个由立体传感器提供; 补偿步骤，其中根据所述空间位置变化从所述要投影的所述输入图像生成补偿图像; 以及将所述补偿图像投影到所述投影面上的步骤。