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    Imaging system and method having extended depth of field
    1.
    发明授权
    Imaging system and method having extended depth of field 有权
    具有扩展景深的成像系统和方法

    公开(公告)号：US09432642B2

    公开(公告)日：2016-08-30

    申请号：US13323394

    申请日：2011-12-12

    申请人： Lu Gao ,  Jizhang Shan ,  Guansong Liu ,  Hongjun Li

    发明人： Lu Gao ,  Jizhang Shan ,  Guansong Liu ,  Hongjun Li

    IPC分类号： H04N9/04 ,  H04N5/232

    CPC分类号： H04N9/045 ,  H04N5/23212 ,  Y10T29/49826

    摘要： An imaging system and method having a selected depth of field include an imaging lens for forming images of an object, the imaging lens having chromatic aberration and a color image sensor for receiving the images of the object. The color image sensor has a selected spectral response, the selected spectral response of the color image sensor defining a selected first center wavelength, a selected second center wavelength and a selected third center wavelength, wherein the selected first center wavelength is larger than the selected second center wavelength and the selected second center wavelength is larger than the selected third center wavelength. The selected spectral response defines the depth of field of the imaging system. A difference between the selected first center wavelength and the selected third center wavelength is greater than 150 nm.

    摘要翻译： 具有所选景深的成像系统和方法包括用于形成物体的成像镜头，具有色差的成像镜头和用于接收物体的图像的彩色图像传感器。 所述彩色图像传感器具有所选择的光谱响应，所述彩色图像传感器所选择的光谱响应限定所选择的第一中心波长，所选择的第二中心波长和所选择的第三中心波长，其中所选择的第一中心波长大于所选择的第二中心波长 所选择的第二中心波长大于所选择的第三中心波长。 所选择的光谱响应定义成像系统的景深。 所选择的第一中心波长和所选择的第三中心波长之间的差异大于150nm。

    ECHO CANCELLING SYSTEM AND METHOD FOR ON CHANNEL REPEATER USED FOR COVERAGE GAP FILLING
    2.
    发明申请
    ECHO CANCELLING SYSTEM AND METHOD FOR ON CHANNEL REPEATER USED FOR COVERAGE GAP FILLING 有权
    ECHO取消系统和用于覆盖缝隙填充的通道重复器的方法

    公开(公告)号：US20130343437A1

    公开(公告)日：2013-12-26

    申请号：US14002682

    申请日：2011-03-14

    申请人： Wenhua Li ,  Jingsong Xia ,  Hongjun Li ,  Bowei Song ,  Yingying Fan

    发明人： Wenhua Li ,  Jingsong Xia ,  Hongjun Li ,  Bowei Song ,  Yingying Fan

    IPC分类号： H04B3/23

    CPC分类号： H04B3/23 ,  H04B7/15585

    摘要： An echo cancelling system and method for On Channel Repeater (OCR) used for coverage gap filling, which includes: a splitter, an echo cancellation module, a down-conversion module and a digital signal processor (DSP) module, which uses digital signal processing technologies to achieve a precise echo detection/estimation, and to cancel sufficient part of the echoes in analog domain. The invention may also remove residual echoes in digital domain as well, which is considered to be only a great supplement of the echo cancellation operation in analog domain.

    摘要翻译： 一种用于覆盖间隙填充的通道中继器（OCR）的回波消除系统和方法，包括：分离器，回波消除模块，下变频模块和数字信号处理器（DSP）模块，其使用数字信号处理 实现精确回波检测/估计的技术，以及在模拟域中抵消足够部分的回波。 本发明也可以去除数字域中的残余回波，这被认为仅仅是模拟域中的回波消除操作的很好的补充。

    Imaging System And Method Having Extended Depth of Field
    3.
    发明申请
    Imaging System And Method Having Extended Depth of Field 有权
    具有扩展深度的成像系统和方法

    公开(公告)号：US20130147994A1

    公开(公告)日：2013-06-13

    申请号：US13323394

    申请日：2011-12-12

    申请人： Lu Gao ,  Jizhang Shan ,  Guansong Liu ,  Hongjun Li

    发明人： Lu Gao ,  Jizhang Shan ,  Guansong Liu ,  Hongjun Li

    IPC分类号： H04N5/335 ,  B23P11/00

    CPC分类号： H04N9/045 ,  H04N5/23212 ,  Y10T29/49826

    摘要： An imaging system and method having a selected depth of field include an imaging lens for forming images of an object, the imaging lens having chromatic aberration and a color image sensor for receiving the images of the object. The color image sensor has a selected spectral response, the selected spectral response of the color image sensor defining a selected first center wavelength, a selected second center wavelength and a selected third center wavelength, wherein the selected first center wavelength is larger than the selected second center wavelength and the selected second center wavelength is larger than the selected third center wavelength. The selected spectral response defines the depth of field of the imaging system. A difference between the selected first center wavelength and the selected third center wavelength is greater than 150 nm.

    摘要翻译： 具有所选景深的成像系统和方法包括用于形成物体的成像镜头，具有色差的成像镜头和用于接收物体的图像的彩色图像传感器。 所述彩色图像传感器具有所选择的光谱响应，所述彩色图像传感器所选择的光谱响应限定所选择的第一中心波长，所选择的第二中心波长和所选择的第三中心波长，其中所选择的第一中心波长大于所选择的第二中心波长 所选择的第二中心波长大于所选择的第三中心波长。 所选择的光谱响应定义成像系统的景深。 所选择的第一中心波长和所选择的第三中心波长之间的差异大于150nm。

    DUAL MODE CAMERA SOLUTION APPARATUS, SYSTEM, AND METHOD
    5.
    发明申请
    DUAL MODE CAMERA SOLUTION APPARATUS, SYSTEM, AND METHOD 审中-公开
    双模式相机解决方案，系统和方法

    公开(公告)号：US20090086074A1

    公开(公告)日：2009-04-02

    申请号：US11863093

    申请日：2007-09-27

    申请人： Hongjun LI ,  James Xinping HE ,  Henry Hongli YANG

    发明人： Hongjun LI ,  James Xinping HE ,  Henry Hongli YANG

    IPC分类号： H04N3/15

    CPC分类号： H04N5/2353 ,  H04N5/23245 ,  H04N5/2355

    摘要： A camera solution includes an image sensor and an image processing and control system. At least two different operating modes are supported, with one of the modes having a higher dynamic range. Control of the dynamic range is provided at the system level. The system supports statically or dynamically selecting an operating mode that determines the dynamic range of a camera. In one implementation, the system supports the use of either a conventional image sensor that does not natively support a high dynamic range or a dual-mode image sensor.

    摘要翻译： 相机解决方案包括图像传感器和图像处理和控制系统。 支持至少两种不同的操作模式，其中一种模式具有较高的动态范围。 动态范围的控制在系统级提供。 系统支持静态或动态选择确定摄像机动态范围的操作模式。 在一个实施方案中，该系统支持使用不本地支持高动态范围的传统图像传感器或双模式图像传感器。

    Method for real-time and realistic rendering of complex scenes on internet
    6.
    发明授权
    Method for real-time and realistic rendering of complex scenes on internet 有权

    公开(公告)号：US09773343B2

    公开(公告)日：2017-09-26

    申请号：US13884923

    申请日：2010-12-24

    申请人： Xiaopeng Zhang ,  Guanbo Bao ,  Hongjun Li ,  Weiliang Meng

    发明人： Xiaopeng Zhang ,  Guanbo Bao ,  Hongjun Li ,  Weiliang Meng

    IPC分类号： G06T15/60 ,  G06T15/04 ,  G06T15/10 ,  G06T15/50 ,  G06T19/20

    CPC分类号： G06T15/60 ,  G06T15/04 ,  G06T15/10 ,  G06T15/503 ,  G06T19/20 ,  G06T2200/12 ,  G06T2200/16 ,  G06T2210/36 ,  G06T2215/12

    摘要： A method for realistic and real-time rendering of complex scene in internet environment, comprising: generating sequences of scene-object-multi-resolution models, a scene configuration file, textures and material files, and a scene data list file; compressing the sequences of scene-object-multi-resolution models, the scene configuration file, the textures and material files, and the scene data list file and uploading the compressed files to a server; downloading, at a client terminal, the scene-object-multi-resolution models, the scene configuration file, the texture and material file, and the scene data list file in ascending order of resolution and rendering the scene simultaneously; dividing, in rendering the scene, a frustum in parallel into a plurality of partitions, generating a shadow map for each frustum, filtering the shadow maps to obtain an anti-aliasing shadowing effect; and the shadow map closest to a viewpoint is updated on a frame-by-frame basis and updating frequency decreases for the shadow maps distant from the viewpoint, wherein the shadow map closest to the viewpoint has the largest size, and the size of the shadow map decreases for the shadow maps distant from the viewpoint.

    METHOD FOR REAL-TIME AND REALISTIC RENDERING OF COMPLEX SCENES ON INTERNET
    7.
    发明申请
    METHOD FOR REAL-TIME AND REALISTIC RENDERING OF COMPLEX SCENES ON INTERNET 有权
    互联网上复杂场景的实时和现实渲染方法

    公开(公告)号：US20150035830A1

    公开(公告)日：2015-02-05

    申请号：US13884923

    申请日：2010-12-24

    申请人： Xiaopeng Zhang ,  Guanbo Bao ,  Hongjun Li ,  Weiliang Meng

    发明人： Xiaopeng Zhang ,  Guanbo Bao ,  Hongjun Li ,  Weiliang Meng

    IPC分类号： G06T15/60 ,  G06T19/20 ,  G06T15/10 ,  G06T15/04 ,  G06T15/50

    CPC分类号： G06T15/60 ,  G06T15/04 ,  G06T15/10 ,  G06T15/503 ,  G06T19/20 ,  G06T2200/12 ,  G06T2200/16 ,  G06T2210/36 ,  G06T2215/12

    摘要： A method for realistic and real-time rendering of complex scene in internet environment, comprising: generating sequences of scene-object-multi-resolution models, a scene configuration file, textures and material files, and a scene data list file; compressing the sequences of scene-object-multi-resolution models, the scene configuration file, the textures and material files, and the scene data list file and uploading the compressed files to a server; downloading, at a client terminal, he scene-object-multi-resolution models, the scene configuration file, the texture and material file, and the scene data list file in ascending order of resolution and rendering the scene simultaneously; dividing, in rendering the scene, a frustum in parallel into a plurality of partitions, generating a shadow map for each frustum, filtering the shadow maps to obtain an anti-aliasing shadowing effect; and the shadow map closest to a viewpoint is updated on a frame-by-frame basis and updating frequency decreases for the shadow maps distant from the viewpoint, wherein the shadow map closest to the viewpoint has the largest size, and the size of the shadow map decreases for the shadow maps distant from the viewpoint.

    摘要翻译： 一种用于在互联网环境中逼真和实时渲染复杂场景的方法，包括：生成场景对象多分辨率模型序列，场景配置文件，纹理和素材文件以及场景数据列表文件; 压缩场景对象多分辨率模型，场景配置文件，纹理和素材文件以及场景数据列表文件的序列，并将压缩文件上传到服务器; 在客户端终端，以分辨率升序顺序下载场景对象多分辨率模型，场景配置文件，纹理和素材文件以及场景数据列表文件，同时呈现场景; 在渲染场景时，将平行截面平行分割为多个分区，为每个平截头体生成阴影贴图，过滤阴影贴图以获得抗锯齿效果; 并且最接近视点的阴影贴图在逐帧的基础上更新，并且对于远离视点的阴影贴图的更新频率降低，其中最靠近视点的阴影贴图具有最大的尺寸，并且阴影的大小 影像距离观点远的地图减少。

    Image sensor with improved black level calibration
    8.
    发明授权
    Image sensor with improved black level calibration 有权
    具有改进的黑色电平校准的图像传感器

    公开(公告)号：US08314869B2

    公开(公告)日：2012-11-20

    申请号：US13495880

    申请日：2012-06-13

    申请人： Wei Zheng ,  Hsin-Chih Tai ,  Yin Qian ,  Hongjun Li ,  Howard E. Rhodes

    发明人： Wei Zheng ,  Hsin-Chih Tai ,  Yin Qian ,  Hongjun Li ,  Howard E. Rhodes

    IPC分类号： H04N3/14 ,  H04N5/225

    CPC分类号： H04N5/361 ,  H01L27/1461 ,  H01L27/14634 ,  H01L27/1464 ,  H04N5/3745

    摘要： An imaging system capable of black level calibration includes an imaging pixel array, at least one black reference pixel, and peripheral circuitry. The imaging pixel array includes a plurality of active pixels each coupled to capture image data. The black reference pixel is coupled to generate a black reference signal for calibrating the image data. Light transmitting layers are disposed on a first side of a pixel array die including the imaging system and cover at least the imaging pixel array and the black reference pixel. A light shielding layer is disposed on the first side of the pixel array die and covers a portion of the light transmitting layers and the black reference pixel without covering the imaging pixel array.

    摘要翻译： 能够进行黑电平校准的成像系统包括成像像素阵列，至少一个黑色参考像素和外围电路。 成像像素阵列包括多个有源像素，每个有源像素被耦合以捕获图像数据。 黑参考像素被耦合以产生用于校准图像数据的黑参考信号。 光透射层设置在包括成像系统的像素阵列管芯的第一侧，并且至少覆盖成像像素阵列和黑色参考像素。 遮光层设置在像素阵列管芯的第一侧上，并且覆盖透光层和黑色参考像素的一部分而不覆盖成像像素阵列。

    IMAGE SENSOR WITH IMPROVED BLACK LEVEL CALIBRATION
    9.
    发明申请
    IMAGE SENSOR WITH IMPROVED BLACK LEVEL CALIBRATION 有权
    具有改进黑色等级校准的图像传感器

    公开(公告)号：US20120249845A1

    公开(公告)日：2012-10-04

    申请号：US13495880

    申请日：2012-06-13

    申请人： Wei Zheng ,  Hsin-Chih Tai ,  Yin Qian ,  Hongjun Li ,  Howard E. Rhodes

    发明人： Wei Zheng ,  Hsin-Chih Tai ,  Yin Qian ,  Hongjun Li ,  Howard E. Rhodes

    IPC分类号： H04N5/361 ,  H04N9/64

    CPC分类号： H04N5/361 ,  H01L27/1461 ,  H01L27/14634 ,  H01L27/1464 ,  H04N5/3745

    摘要： An imaging system capable of black level calibration includes an imaging pixel array, at least one black reference pixel, and peripheral circuitry. The imaging pixel array includes a plurality of active pixels each coupled to capture image data. The black reference pixel is coupled to generate a black reference signal for calibrating the image data. Light transmitting layers are disposed on a first side of a pixel array die including the imaging system and cover at least the imaging pixel array and the black reference pixel. A light shielding layer is disposed on the first side of the pixel array die and covers a portion of the light transmitting layers and the black reference pixel without covering the imaging pixel array.

    摘要翻译： 能够进行黑电平校准的成像系统包括成像像素阵列，至少一个黑色参考像素和外围电路。 成像像素阵列包括多个有源像素，每个有源像素被耦合以捕获图像数据。 黑参考像素被耦合以产生用于校准图像数据的黑参考信号。 光透射层设置在包括成像系统的像素阵列管芯的第一侧，并且至少覆盖成像像素阵列和黑色参考像素。 遮光层设置在像素阵列管芯的第一侧上，并且覆盖透光层和黑色参考像素的一部分而不覆盖成像像素阵列。