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公开(公告)号：US09973716B2
公开(公告)日：2018-05-15
申请号：US14242919
申请日：2014-04-02
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Yibing M. Wang , Hongyu Wang , Tae-Chan Kim
CPC classification number: H04N5/3575 , H04N5/363
Abstract: Provided are an imaging device implementing pseudo correlated double sampling (CDS), and an imaging method and a control method of the image device. The imaging device includes: a pixel array comprising a pixel configured to generate a current in response to incident light; a readout circuit configured to read out a plurality of output signals of the pixel, the plurality of output signals corresponding to a plurality of consecutive integration periods of the pixel within an aggregating period; and an aggregator configured to aggregate the plurality of output signals read out by the readout circuit to obtain a final aggregated output corresponding to illuminance for the aggregating period, wherein the readout circuit is configured to read out the plurality of output signals by, for each output signal, sampling a signal voltage of the pixel and sampling a subsequent reset voltage of the pixel and obtaining a difference therebetween.
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2.发明授权公开(公告)号：US09253471B2
公开(公告)日：2016-02-02
申请号：US13767521
申请日：2013-02-14
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Kwanghyuk Bae , Kyu-Min Kyung , Tae-Chan Kim , Seunghee Lee
CPC classification number: H04N13/271 , G01S17/107 , G01S17/87 , G01S17/89 , H04N5/04 , H04N5/123
Abstract: A depth camera includes a sensor unit receiving a reflected light and in response thereto outputting an electrical sensing signal; and a synchronization information calculation unit calculating a performance index with reference to the sensing signal, and with reference to the performance index, generating synchronization information for synchronizing a demodulation clock for sensing the received reflected light. The sensor unit adjusts the frequency and/or phase of the demodulation clock with reference to the synchronization information.
Abstract translation: 深度照相机包括接收反射光的传感器单元，并且响应于此输出电感测信号; 以及同步信息计算单元，参考感测信号来计算性能指标，并且参考性能指标，产生用于同步用于感测所接收的反射光的解调时钟的同步信息。 传感器单元参照同步信息调整解调时钟的频率和/或相位。
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公开(公告)号：US08836827B2
公开(公告)日：2014-09-16
申请号：US13930130
申请日：2013-06-28
Applicant: Samsung Electronics Co., Ltd.
Inventor： Pyeong-Woo Lee , Dong-Jae Lee , Byung-Joon Baek , Tae-Chan Kim
Abstract: A method of processing image signals comprises determining whether each of multiple units of input pixel data received from an image sensor is bad pixel data generated by a bad pixel of the image sensor or normal pixel data generated by a normal pixel of the image sensor, and performing interpolation to generate image data corresponding to the bad pixel using only normal pixel data and omitting bad pixel data.
Abstract translation: 处理图像信号的方法包括确定从图像传感器接收的输入像素数据的多个单位中的每一个是由图像传感器的不良像素生成的不良像素数据还是由图像传感器的法线像素生成的正常像素数据，以及 执行内插以仅使用普通像素数据生成与坏像素相对应的图像数据，并省略不良像素数据。
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公开(公告)号：US09910059B2
公开(公告)日：2018-03-06
申请号：US14534199
申请日：2014-11-06
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Kwang-Hyuk Bae , Kyu-Min Kyung , Tae-Chan Kim , Seong-Yeong Jeong , Shung-Han Cho
CPC classification number: G01P13/045
Abstract: A method is provided for analyzing motion of a subject. The method includes receiving multiple events from an event-based sensor, the events corresponding to a luminance change of the subject; calculating velocities of the events and directions of the events; generating a motion analysis table comprising an X axis classified into multiple velocity sections, a Y axis classified into multiple direction sections, and multiple cells representing frequencies of events corresponding to combinations of the velocity sections and the direction sections; and determining a motion of the subject based on the motion analysis table.
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5.发明授权Method of correcting saturated pixel data and method of processing image data using the same 有权修正饱和像素数据的方法和使用该图像数据处理图像数据的方法公开(公告)号：US09294688B2
公开(公告)日：2016-03-22
申请号：US14250537
申请日：2014-04-11
Applicant: Samsung Electronics Co., Ltd.
Inventor： Hae-Jin Ju , Tae-Chan Kim , Won-Ho Cho , Rae-Hong Park
Abstract: Methods of correcting saturated pixel data in an image sensor are provided. A method of correcting saturated pixel data in an image sensor includes determining a weight function. The weight function indicates a correlation between color values of saturated pixels and color values of neighboring pixels. The saturated pixels are among a plurality of pixels which have a color value greater than a saturation threshold value. The neighboring pixels are among the plurality of pixels that are proximate to each of the saturated pixels. The method includes determining weight values of a neighboring pixels that are proximate to a first saturated pixel using the weight function. The method includes determining a weighted average value of the color values of each of the neighboring pixels using the weight values. The method includes correcting the color value of the first saturated pixel to the weighted average value.
Abstract translation: 提供了校正图像传感器中的饱和像素数据的方法。 校正图像传感器中的饱和像素数据的方法包括确定权重函数。 权重函数表示饱和像素的颜色值和相邻像素的颜色值之间的相关性。 饱和像素在具有大于饱和阈值的颜色值的多个像素之中。 相邻像素在接近每个饱和像素的多个像素之中。 该方法包括使用权重函数来确定邻近第一饱和像素的相邻像素的权重值。 该方法包括使用权重值来确定每个相邻像素的颜色值的加权平均值。 该方法包括将第一饱和像素的颜色值校正为加权平均值。
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Patent Agency Ranking
公开(公告)号：US09635333B2
公开(公告)日：2017-04-25
申请号：US14613951
申请日：2015-02-04
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sung-Kwang Cho , Tae-Chan Kim , Dong-Pan Lim
CPC classification number: H04N9/735 , G06T5/007 , G06T2207/20208 , H04N5/20
Abstract: A white balancing device and a method of driving the same are provided. The white balancing device includes a map generator and an automatic white balancing (AWB) block. The map generator is configured to generate an indoor-outdoor map comparing a first image and a second image generated by performing a wide dynamic range (WDR) algorithm on the first image. The AWB block is configured to generate a first white point with respect to an outdoor region and a second white point with respect to an indoor region using the indoor-outdoor map.
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公开(公告)号：US09633419B2
公开(公告)日：2017-04-25
申请号：US14605173
申请日：2015-01-26
Applicant: Samsung Electronics Co., Ltd.
Inventor： Byung-Joon Baek , Joon-Ki Paik , Tae-Chan Kim , Dong-Gyun Kim , Jin-Ho Park
CPC classification number: H04N5/3572 , G06K9/46 , G06K9/522 , G06K2009/4666 , G06T5/003 , G06T5/006 , G06T5/20 , H04N5/2173
Abstract: A lens distortion correction device and an application processor having the same include a distortion correction unit configured to correct a distorted image into an undistorted image and an image enhancement unit configured to improve the undistorted image using a high-frequency component of the distorted image.
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8.发明授权Image sensor, image processing system including the same, and method of operating the same 有权图像传感器，包括其的图像处理系统及其操作方法公开(公告)号：US09538101B2
公开(公告)日：2017-01-03
申请号：US14291975
申请日：2014-05-30
Applicant: Samsung Electronics Co., Ltd.
Inventor： Han Soo Lee , Tae-Chan Kim
CPC classification number: H04N5/335 , G01S7/4914 , G01S7/497 , G01S13/00 , H04N5/357 , H04N5/3765
Abstract: An image sensor includes a photo gate controller configured to generate a plurality of demodulated signals respectively corresponding to a plurality of rows of a pixel array and a photo gate driver configured to adjust a phase of the demodulated signals using a source clock signal to remove power, voltage and temperature (PVT) noise and to apply the phase-adjusted demodulated signals to the pixel array. The image sensor matches the phases of the respective demodulated signals using the source clock signal generated based on a reference clock signal, thereby increasing the quality of depth images.
Abstract translation: 图像传感器包括：光栅控制器，被配置为产生分别对应于像素阵列的多行的多个解调信号;以及光栅驱动器，被配置为使用源时钟信号调整解调信号的相位以去除功率， 电压和温度（PVT）噪声，并将相位调整的解调信号施加到像素阵列。 图像传感器使用基于参考时钟信号生成的源时钟信号来匹配各个解调信号的相位，从而提高深度图像的质量。
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公开(公告)号：US09500521B2
公开(公告)日：2016-11-22
申请号：US14453281
申请日：2014-08-06
Applicant: Samsung Electronics Co., Ltd.
Inventor： Yun-Hong Kim , Moo-Young Kim , Tae-Chan Kim , Kwang-Hyun Lee , Seok-Yong Hong
CPC classification number: G01J1/4204 , G01J1/46 , G06F1/3265 , Y02D10/153
Abstract: An ambient light sensor includes a photoelectric conversion unit, a current control unit, a signal conversion unit and a comparison unit. The photoelectric conversion unit provides a photo current having a magnitude corresponding to illuminance of incident light to a first node. The current control unit generates a control current exponentially proportional to an elapse time based on a clock signal, provides the control current to the first node, and outputs a digital code corresponding to the elapse time in response to a reset signal. The signal conversion unit generates a comparison voltage logarithmically proportional to a sum of the photo current and the control current. The comparison unit generates the reset signal by comparing a magnitude of the comparison voltage and a magnitude of a reference voltage. The ambient light sensor generates the digital code effectively representing illuminance of ambient light that eyes of a human being perceives.
Abstract translation: 环境光传感器包括光电转换单元，电流控制单元，信号转换单元和比较单元。 光电转换单元提供具有对应于入射光的照度的大小的光电流到第一节点。 当前控制单元基于时钟信号产生与经过时间成正比的控制电流，向第一节点提供控制电流，并响应于复位信号输出对应于经过时间的数字码。 信号转换单元产生与光电流和控制电流之和成正比的对比电压。 比较单元通过比较比较电压的大小和参考电压的大小来产生复位信号。 环境光传感器产生有效地表示人的眼睛感知的环境光的照度的数字代码。
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公开(公告)号：US09500477B2
公开(公告)日：2016-11-22
申请号：US13893812
申请日：2013-05-14
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Han-Soo Lee , Hae-Kyung Kong , Kyung-IL Kim , Min-Seok Oh , Tae-Chan Kim , Moo-Sup Lim
IPC: G01C3/08
Abstract: To measure the distance to points on an object by radiating a periodic amplitude-modulated optical signal to the object and detecting the phase difference between the radiated optical signal and a reflected optical signal from the object, a first photo-detection control signal is generated to control the radiation of the optical signal. A mask signal is generated such that the mask signal is activated at least during a shuttering duration for resetting the voltage level at a sensing node (associated with an operation of a previous frame). A second photo-detection control signal is generated based on the first photo-detection signal and the mask signal such that the second photo-detection signal is deactivated or masked at least during the shuttering duration.
Abstract translation: 为了通过向对象辐射周期性幅度调制的光信号并检测辐射光信号与来自对象的反射光信号之间的相位差来测量物体上与点的距离，产生第一光检测控制信号 控制光信号的辐射。 产生掩模信号，使得至少在用于复位感测节点处的电压电平（与先前帧的操作相关联）的快门持续时间期间激活屏蔽信号。 基于第一光检测信号和掩模信号产生第二光检测控制信号，使得至少在快门持续时间期间第二光检测信号被去激活或屏蔽。
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