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公开(公告)号：US10267917B2
公开(公告)日：2019-04-23
申请号：US15953554
申请日：2018-04-16
Applicant: PIXART IMAGING INC.
Inventor： Guo-Zhen Wang , Ming-Tsan Kao
Abstract: Disclosed are a distance measuring method and a distance measuring apparatus. During the distance measuring, an image is obtained. If the location of a center of gravity of the image is within a first segment, the calculating unit calculates a distance between the object and the distance measuring apparatus corresponding to the projection point, according to a first mapping relationship and the location of a center of gravity of the image. If the location of a center of gravity of the image is within a second segment, the calculating unit calculates a distance between the object and the distance measuring apparatus corresponding to the projection point according to a second mapping relationship and the location of a center of gravity of the image.
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92.发明授权公开(公告)号：US10255687B2
公开(公告)日：2019-04-09
申请号：US14935960
申请日：2015-11-09
Applicant: PIXART IMAGING INC.
Inventor： Guo-Zhen Wang , Chia-Yi Liu
Abstract: There is provided an operating method of a distance measurement system including the steps of: successively capturing image frames with an image sensor; controlling a sampling parameter to converge an average brightness value of an object image in the image frames to be within a predetermined range; calculating a plurality of first object sizes of a converged object image in a converged image frame and calculating a first average value of the first object sizes; calculating a second average value of the first average values corresponding to a plurality of converged image frames; and comparing the second average value with a lookup table to determine an object depth.
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公开(公告)号：US20180356524A1
公开(公告)日：2018-12-13
申请号：US16108066
申请日：2018-08-21
Applicant: PixArt Imaging Inc.
Inventor： Guo-Zhen Wang
CPC classification number: G01S17/48 , G01S7/4912
Abstract: An optical distance measurement method includes: acquiring a plurality of sensed values based on detecting light; performing a filtering operation to select a plurality of selected sensed values from the plurality of sensed values; determining a location of a centroid according to the plurality of selected sensed values; and calculating a plurality of depth values with respect to a plurality of detecting points according to the location of the centroid and a plurality of depth information transformation functions respectively corresponding to the detecting points.
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公开(公告)号：US10048807B2
公开(公告)日：2018-08-14
申请号：US15387618
申请日：2016-12-21
Applicant: PixArt Imaging Inc.
Inventor： Guo-Zhen Wang , Shih-Feng Chen , Han-Chang Lin
IPC: G06F3/042
Abstract: A touch control detecting method applied to an electronic apparatus comprising an image sensor. The touch control detecting method comprises: (a) capturing a plurality of sensing images via the image sensor; and (b) determining if an object performs a predetermined touch control operation to the electronic apparatus, according to a brightness variation tendency of the sensing images.
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公开(公告)号：US20170011249A1
公开(公告)日：2017-01-12
申请号：US15199965
申请日：2016-06-30
Applicant: PixArt Imaging Inc.
Inventor： Guo-Zhen Wang
CPC classification number: G06K9/0061 , G02B27/017 , G02B2027/0138 , G02B2027/014 , G02B2027/0178 , G06F3/005 , G06F3/013 , G06F3/017 , G06K9/00597 , H04N5/23219 , H04N5/23222
Abstract: An eye state detecting method, applied to an electronic apparatus with an image sensor, comprising: (a) defining a detecting range according to a possible location of a user's eye, wherein the detecting range is smaller than a maximum detecting range that the electronic apparatus can apply; (b) capturing a detecting image via the detecting range; and (c) determining whether the user's eye is in an opening state or in a closing state according a brightness of to the detecting image. The present invention also discloses a method applying a smaller determining range to determine if the user's eye is open or close.
Abstract translation: 一种应用于具有图像传感器的电子设备的眼状态检测方法，包括：（a）根据用户眼睛的可能位置定义检测范围，其中检测范围小于电子设备的最大检测范围 可以申请; （b）经由检测范围拍摄检测图像; 和（c）根据检测图像的亮度确定用户的眼睛是处于打开状态还是关闭状态。 本发明还公开了一种应用较小的确定范围以确定用户的眼睛是否打开或关闭的方法。
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Patent Agency Ranking
公开(公告)号：US20160353036A1
公开(公告)日：2016-12-01
申请号：US14989807
申请日：2016-01-07
Applicant: PixArt Imaging Inc.
Inventor： Guo-Zhen Wang
CPC classification number: A47L11/24 , A47L2201/04
Abstract: An image processing method, applied to an image processing apparatus comprising a light source and an image sensor. The image sensing method comprises: acquiring a first image via the image sensor if the light source operates in a first mode; acquiring a second image via the image sensor if the light source operates in a second mode; acquiring a third image via the image sensor if the light source operates in the first mode; generating a combined image based on the first image and the third image; and acquiring a target image after background noise removing based on the second image and the combined image.
Abstract translation: 一种应用于包括光源和图像传感器的图像处理装置的图像处理方法。 所述图像感测方法包括：如果所述光源以第一模式操作，则经由所述图像传感器获取第一图像; 如果光源以第二模式操作，则通过图像传感器获取第二图像; 如果光源在第一模式下操作，则经由图像传感器获取第三图像; 基于第一图像和第三图像生成组合图像; 并且基于第二图像和组合图像获取背景噪声去除之后的目标图像。
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公开(公告)号：US20160150163A1
公开(公告)日：2016-05-26
申请号：US15011676
申请日：2016-02-01
Applicant: PixArt Imaging Inc.
Inventor： Guo-Zhen Wang , Yu-Hao Huang
CPC classification number: H04N5/265 , G06F3/017 , G06F3/0304 , G06K9/00355 , H04N5/23232
Abstract: An image processing method applied to an image processing system comprising an image sensor. The image processing method comprises: (a) capturing a plurality of first images via the image sensor applying a first resolution; (b) computing an image variation tendency for the first images; and (c) controlling the image sensor to apply a second resolution higher than the first resolution if the image variation tendency matches a predetermined tendency. An image processing system applying the image processing method is also disclosed.
Abstract translation: 一种应用于包括图像传感器的图像处理系统的图像处理方法。 图像处理方法包括：（a）经由应用第一分辨率的图像传感器捕获多个第一图像; （b）计算第一图像的图像变化趋势; 以及（c）如果图像变化趋势符合预定趋势，则控制图像传感器施加高于第一分辨率的第二分辨率。 还公开了应用图像处理方法的图像处理系统。
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公开(公告)号：US20160134849A1
公开(公告)日：2016-05-12
申请号：US14816069
申请日：2015-08-03
Applicant: PixArt Imaging Inc.
Inventor： Guo-Zhen Wang
CPC classification number: H04N9/3147 , H04N9/3185 , H04N9/3194
Abstract: A projecting method, comprising: (a) detecting a distance between a first projecting apparatus and a first projecting region to generate first distance information; (b) calibrating a first initial projecting image to generate a first calibrated projecting image according to the first distance information; and (c) projecting the first calibrated projecting image to the first projecting region via the first projecting apparatus. The method can further comprise applying another second projecting apparatus to generate a combined image. A corresponding image projecting system is also disclosed.
Abstract translation: 一种投影方法，包括：（a）检测第一投影装置与第一投影区域之间的距离，以产生第一距离信息; （b）校准第一初始投影图像以根据第一距离信息生成第一校准投影图像; 和（c）经由第一投影装置将第一校准投影图像投影到第一投影区域。 该方法还可以包括应用另一个第二投影装置来产生组合图像。 还公开了相应的图像投影系统。
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公开(公告)号：US12285876B2
公开(公告)日：2025-04-29
申请号：US17882648
申请日：2022-08-08
Applicant: PixArt Imaging Inc.
Inventor： Chi-Chieh Liao , Guo-Zhen Wang
Abstract: There is provided a cleaning robot including a light source module and an image sensor. The light source module projects a horizontal line pattern toward a moving direction. The image sensor captures, toward the moving direction, an image of the horizontal line pattern. The light source module is arranged below the image sensor so as to eliminate the interference from second reflection.
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公开(公告)号：US12208527B2
公开(公告)日：2025-01-28
申请号：US18382049
申请日：2023-10-19
Applicant: PixArt Imaging Inc.
Inventor： Guo-Zhen Wang
Abstract: An air ejection device, configured to eject air; a distance detecting circuit, configured to detect distances between an electronic device comprising the object determining system and at least one location of an object when the air ejection device ejects air to the object; and a determining circuit, configured to determine whether the object is a rigidity type object or a soft type object according to the variations.
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