专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US09405381B2 Optical navigating apparatus and computer readable media can perform optical navigating method 有权
标题翻译：光学导航装置和计算机可读介质可以执行光学导航方法
公开(公告)号：US09405381B2
公开(公告)日：2016-08-02
申请号：US13889351
申请日：2013-05-08
申请人： PixArt Imaging Inc.
发明人： Tzu-Yu Chen , Chih-Yen Wu
IPC分类号： G09G5/00 , G06F3/03
CPC分类号： G06F3/0304 , G06F3/0317
摘要： An optical navigating apparatus, which comprises: a light source, for illuminating a surface to generate an image; an image sensor, for catching pictures of the image; and a controller, for computing a first estimating speed of the optical navigating apparatus according to a first picture of the pictures and a second picture after the first picture. The controller controls at least one of parameters as following according to the first estimating speed: a non-illuminating frequency that the light source does not illuminate pictures after the second picture; a non-catching frequency that the image sensor does not catch pictures after the second picture; a computing frequency that the controller computes pictures after the second picture, which are caught by the image sensor; and a searching range for pictures after the second picture.
摘要翻译：一种光学导航设备，包括：光源，用于照亮表面以产生图像; 图像传感器，用于捕获图像的图像; 以及控制器，用于根据图像的第一图像和第一图像之后的第二图像计算光学导航装置的第一估计速度。控制器根据第一估计速度控制以下参数中的至少一个：在第二图像之后光源不照亮图像的非照明频率; 图像传感器在第二图像之后不捕获图像的非捕获频率; 控制器计算在第二图像之后的图像的计算频率，其被图像传感器捕获; 以及在第二张照片之后的图片的搜索范围。

2. 发明授权

US09261982B2 Image adjusting method and optical navigating apparatus utilizing the image adjusting method 有权
标题翻译：利用图像调整方法的图像调整方法和光学导航装置
公开(公告)号：US09261982B2
公开(公告)日：2016-02-16
申请号：US13802819
申请日：2013-03-14
申请人： PixArt Imaging Inc.
发明人： Tzu-Yu Chen
IPC分类号： G06F3/0354 , G06T5/00
CPC分类号： G06F3/03543 , G06T5/009
摘要： A computer readable recording media, having at least one program code recorded thereon, an image adjusting method can be performed when the program code is read and executed. The image adjusting method comprises: catching a current image; computing at least one kind of brightness information of the current image; respectively setting corresponding threshold values to different kinds of the brightness information; and determining if a contrast enhancing operation should be performed to the current image to generate an adjusted image according to a number that the brightness information is over the threshold value.
摘要翻译：一种在其上记录有至少一个程序代码的计算机可读记录介质，当读取和执行程序代码时，可以执行图像调整方法。图像调整方法包括：捕获当前图像; 计算当前图像的至少一种亮度信息; 分别对不同种类的亮度信息设置相应的阈值; 以及根据所述亮度信息超过所述阈值的数量来确定是否应当对所述当前图像执行对比度增强操作以产生经调整的图像。

3. 发明申请

US20140152567A1 IMAGE ADJUSTING METHOD AND OPTICAL NAVIGATING APPARATUS UTILIZING THE IMAGE ADJUSTING METHOD 有权
标题翻译：图像调整方法和光学导航装置利用图像调整方法
公开(公告)号：US20140152567A1
公开(公告)日：2014-06-05
申请号：US13802819
申请日：2013-03-14
申请人： PIXART IMAGING INC.
发明人： Tzu-Yu Chen
IPC分类号： G06T5/00 , G06F3/0354
CPC分类号： G06F3/03543 , G06T5/009
摘要： A computer readable recording media, having at least one program code recorded thereon, an image adjusting method can be performed when the program code is read and executed. The image adjusting method comprises: catching a current image; computing at least one kind of brightness information of the current image; respectively setting corresponding threshold values to different kinds of the brightness information; and determining if a contrast enhancing operation should be performed to the current image to generate an adjusted image according to a number that the brightness information is over the threshold value.
摘要翻译：一种在其上记录有至少一个程序代码的计算机可读记录介质，当读取和执行程序代码时，可以执行图像调整方法。图像调整方法包括：捕获当前图像; 计算当前图像的至少一种亮度信息; 分别对不同种类的亮度信息设置相应的阈值; 以及根据所述亮度信息超过所述阈值的数量来确定是否应当对所述当前图像执行对比度增强操作以产生经调整的图像。

4. 发明授权

US09316563B2 Method of testing image sensor and related apparatus thereof 有权
标题翻译：图像传感器的测试方法及其相关装置
公开(公告)号：US09316563B2
公开(公告)日：2016-04-19
申请号：US13875307
申请日：2013-05-02
申请人： PixArt Imaging Inc.
发明人： Ching-Chih Chen , Ren-Hau Gu , Chih-Yen Wu , Yao-Hsuan Lin , Tzu-Yu Chen
IPC分类号： G01M11/00 , H04N17/02 , H04N1/00 , H04N17/00
CPC分类号： G01M11/00 , H04N1/00021 , H04N1/00039 , H04N1/0005 , H04N1/00074 , H04N17/002
摘要： A method of testing an image sensor having a plurality of sensing units includes: utilizing the image sensor to generate a plurality of sensing results respectively corresponding to a plurality of captured images, wherein each sensing result includes a plurality of sensing values respectively generated by the sensing units; and generating a testing result which indicates a performance of the image sensor according to changing of the sensing results.
摘要翻译：一种测试具有多个感测单元的图像传感器的方法包括：利用图像传感器产生分别对应于多个捕获图像的多个感测结果，其中每个感测结果包括分别由感测产生的多个感测值单位; 以及根据感测结果的变化产生指示图像传感器的性能的测试结果。

5. 发明授权

US09274617B2 Optical navigation apparatus calculating an image quality index to determine a matching block size 有权
标题翻译：光学导航装置计算图像质量指标以确定匹配的块大小
公开(公告)号：US09274617B2
公开(公告)日：2016-03-01
申请号：US14067632
申请日：2013-10-30
申请人： PIXART IMAGING INC.
发明人： Yu-Ju Lee , Tzu-Yu Chen
IPC分类号： G06F3/033 , G06F3/0354 , G06F3/03 , G06T7/20
CPC分类号： G06F3/03543 , G06F3/0317 , G06T7/223 , G06T2207/20008 , G06T2207/30168
摘要： An optical navigation apparatus, an optical navigation method, and a non-transitory computer readable medium thereof are provided. The optical navigation apparatus includes a light source unit, an image sensing unit, and a processing unit. The processing unit is electrically connected to the light source unit and the image sensing unit. The light source unit provides a beam of light. The image sensing unit captures a first image at a first time instant when the light is projected onto a reflection surface. The processing unit calculates an image quality index of the first image and determines a matching block size between the first image and a second image according to the image quality index.
摘要翻译：提供了一种光学导航装置，光学导航方法及其非暂时计算机可读介质。光学导航装置包括光源单元，图像感测单元和处理单元。处理单元电连接到光源单元和图像感测单元。光源单元提供光束。当光投射到反射表面上时，图像感测单元在第一时刻捕获第一图像。处理单元计算第一图像的图像质量指数，并根据图像质量指数确定第一图像和第二图像之间的匹配块大小。

6. 发明授权

US09557831B2 Optical navigation method for dynamically adjusting size of image sensing region and related apparatus thereof 有权
标题翻译：用于动态调整图像感测区域的尺寸的光学导航方法及其相关装置
公开(公告)号：US09557831B2
公开(公告)日：2017-01-31
申请号：US13890239
申请日：2013-05-08
申请人： PixArt Imaging Inc.
发明人： Ching-Chih Chen , Ming-Tsan Kao , Chih-Yen Wu , Chien-Jung Huang , Yao-Hsuan Lin , Tzu-Yu Chen
IPC分类号： G06F3/033 , G09G5/08 , G09G5/00 , G06F3/0354 , G06F3/03
CPC分类号： G06F3/03543 , G06F3/0317
摘要： An optical navigation method includes: detecting inertia of an image of a feature point; and determining an effective sensing region of an image sensing array according to the detected inertia for reducing power consumption. Besides, an optical navigation apparatus includes a detecting circuit and a determining unit. The detecting circuit is arranged for detecting a moving inertia of a feature point. The determining circuit is coupled to the detecting circuit, and arranged for determining an effective sensing region of an image sensing array according to the detected moving inertia for reducing power consumption.
摘要翻译：光学导航方法包括：检测特征点的图像的惯性; 以及根据检测到的惯性来确定图像感测阵列的有效感测区域以减少功耗。此外，光学导航装置包括检测电路和确定单元。该检测电路用于检测特征点的移动惯性。确定电路耦合到检测电路，并且被布置为根据检测到的移动惯性来确定图像感测阵列的有效感测区域以降低功耗。

7. 发明申请

US20140098021A1 OPTICAL NAVIGATING APPARATUS AND COMPUTER READABLE MEDIA CAN PERFORM OPTICAL NAVIGATING METHOD 有权
标题翻译：光学导航设备和计算机可读介质可以执行光学导航方法
公开(公告)号：US20140098021A1
公开(公告)日：2014-04-10
申请号：US13889351
申请日：2013-05-08
申请人： PIXART IMAGING INC.
发明人： Tzu-Yu Chen , Chih-Yen Wu
IPC分类号： G06F3/03
CPC分类号： G06F3/0304 , G06F3/0317
摘要： An optical navigating apparatus, which comprises: a light source, for illuminating a surface to generate an image; an image sensor, for catching pictures of the image; and a controller, for computing a first estimating speed of the optical navigating apparatus according to a first picture of the pictures and a second picture after the first picture. The controller controls at least one of parameters as following according to the first estimating speed: a non-illuminating frequency that the light source does not illuminate pictures after the second picture; a non-catching frequency that the image sensor does not catch pictures after the second picture; a computing frequency that the controller computes pictures after the second picture, which are caught by the image sensor; and a searching range for pictures after the second picture.
摘要翻译：一种光学导航设备，包括：光源，用于照亮表面以产生图像; 图像传感器，用于捕获图像的图像; 以及控制器，用于根据图像的第一图像和第一图像之后的第二图像计算光学导航装置的第一估计速度。控制器根据第一估计速度控制以下参数中的至少一个：在第二图像之后光源不照亮图像的非照明频率; 图像传感器在第二图像之后不捕获图像的非捕获频率; 控制器计算在第二图像之后的图像的计算频率，其被图像传感器捕获; 以及在第二张照片之后的图片的搜索范围。

8. 发明申请

US20140097330A1 METHOD OF TESTING IMAGE SENSOR AND RELATED APPARATUS THEREOF 有权
标题翻译：测量图像传感器的方法及其相关设备
公开(公告)号：US20140097330A1
公开(公告)日：2014-04-10
申请号：US13875307
申请日：2013-05-02
申请人： PIXART IMAGING INC.
发明人： Ching-Chih Chen , Ren-Hau Gu , Chih-Yen Wu , Yao-Hsuan Lin , Tzu-Yu Chen
IPC分类号： G01M11/00
CPC分类号： G01M11/00 , H04N1/00021 , H04N1/00039 , H04N1/0005 , H04N1/00074 , H04N17/002
摘要： A method of testing an image sensor having a plurality of sensing units includes: utilizing the image sensor to generate a plurality of sensing results respectively corresponding to a plurality of captured images, wherein each sensing result includes a plurality of sensing values respectively generated by the sensing units; and generating a testing result which indicates a performance of the image sensor according to changing of the sensing results.
摘要翻译：一种测试具有多个感测单元的图像传感器的方法包括：利用图像传感器产生分别对应于多个捕获图像的多个感测结果，其中每个感测结果包括分别由感测产生的多个感测值单位; 以及根据感测结果的变化产生指示图像传感器的性能的测试结果。

9. 发明授权

US09563286B2 Optical navigation device and lift detection method thereof 有权
标题翻译：光学导航装置及其电梯检测方法
公开(公告)号：US09563286B2
公开(公告)日：2017-02-07
申请号：US14047542
申请日：2013-10-07
申请人： PixArt Imaging Inc
发明人： Tzu-Yu Chen
IPC分类号： G06F3/03 , G06F3/0354
CPC分类号： G06F3/03543 , G06F3/0317
摘要： An optical navigation device includes a light source, an image sensor, a navigation unit and a lift detection unit. The light source is configured to illuminate a work surface. The image sensor receives reflected light from the work surface to output an image frame. The navigation unit is configured to filter the image frame and output a filtered image frame. The lift detection unit is configured to calculate a maximum difference of intensities between two adjacent pixels in the image frame, calculate a pixel number of pixels of interest in the filtered image frame, and identify a lift event by comparing the maximum difference with a difference threshold and/or comparing the pixel number with an operating threshold.
摘要翻译：光学导航装置包括光源，图像传感器，导航单元和升降检测单元。光源被配置为照亮工作表面。图像传感器接收来自工作表面的反射光以输出图像帧。导航单元被配置为过滤图像帧并输出经滤波的图像帧。升降检测单元被配置为计算图像帧中的两个相邻像素之间的最大强度差，计算滤波图像帧中的感兴趣像素的像素数，并通过将最大差与差阈值进行比较来识别提升事件和/或将像素数与操作阈值进行比较。

10. 发明申请

US20140092019A1 OPTICAL NAVIGATION METHOD FOR DYNAMICALLY ADJUSTING SIZE OF IMAGE SENSING REGION AND RELATED APPARATUS THEREOF 有权
标题翻译：用于动态调整图像感测区域尺寸的光学导航方法及其相关设备
公开(公告)号：US20140092019A1
公开(公告)日：2014-04-03
申请号：US13890239
申请日：2013-05-08
申请人： PIXART IMAGING INC.
发明人： Ching-Chih Chen , Ming-Tsan Kao , Chih-Yen Wu , Chien-Jung Huang , Yao-Hsuan Lin , Tzu-Yu Chen
IPC分类号： G06F3/0354
CPC分类号： G06F3/03543 , G06F3/0317
摘要： An optical navigation method includes: detecting inertia of an image of a feature point; and determining an effective sensing region of an image sensing array according to the detected inertia for reducing power consumption. Besides, an optical navigation apparatus includes a detecting circuit and a determining unit. The detecting circuit is arranged for detecting a moving inertia of a feature point. The determining circuit is coupled to the detecting circuit, and arranged for determining an effective sensing region of an image sensing array according to the detected moving inertia for reducing power consumption.
摘要翻译：光学导航方法包括：检测特征点的图像的惯性; 以及根据检测到的惯性来确定图像感测阵列的有效感测区域以减少功耗。此外，光学导航装置包括检测电路和确定单元。该检测电路用于检测特征点的移动惯性。确定电路耦合到检测电路，并且被布置为根据检测到的移动惯量来确定图像感测阵列的有效感测区域以减少功耗。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式