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11. 发明申请

US20180253879A1 METHOD, APPARATUS AND ELECTRONIC DEVICE FOR PROCESSING PANORAMIC IMAGE 审中-公开
公开(公告)号：US20180253879A1
公开(公告)日：2018-09-06
申请号：US15868131
申请日：2018-01-11
申请人： Chaofeng LI , Hong Yi , Liyan Liu , Haihua Yu , Hongyi Liu
发明人： Chaofeng LI , Hong Yi , Liyan Liu , Haihua Yu , Hongyi Liu
IPC分类号： G06T11/60 , H04N5/232 , G06T7/70 , G06T7/11
CPC分类号： G06T11/60 , G06T3/0062 , G06T7/11 , G06T7/70 , H04N5/23238
摘要： A method, an apparatus and an electronic device for processing a panoramic image are provided. The method includes converting a first planar projection image of the panoramic image into a spherical image; determining a position of a region of interest in the spherical image; and cutting and expanding the spherical image based on the position of the region of interest in the spherical image, and obtaining a second planar projection image of the panoramic image. A distance between the region of interest in the second planar projection image and a center point of the second planar projection image is shorter than a distance between the region of interest in the first planar projection image and a center point of the first planar projection image.

12. 发明申请

US20180249910A1 CAMERA DEVICE AND METHOD FOR SHOOTING LIGHT HAVING AT LEAST TWO WAVELENGTH BANDS 审中-公开
公开(公告)号：US20180249910A1
公开(公告)日：2018-09-06
申请号：US15869710
申请日：2018-01-12
申请人： Yupeng Zhang , Hong Yi , Weitao Gong , Haihua Yu , Wei Wang
发明人： Yupeng Zhang , Hong Yi , Weitao Gong , Haihua Yu , Wei Wang
IPC分类号： A61B5/00 , G01T1/29 , G01T1/16 , A61B6/00
CPC分类号： A61B5/0035 , A61B5/0046 , A61B5/0082 , A61B5/1176 , A61B6/5247 , G01T1/1603 , G01T1/295 , G02B27/1006 , H04N5/2254 , H04N5/332
摘要： Camera device and method for shooting light having at least two wavelength bands are disclosed. The camera device includes a first camera containing a first lens for receiving light having a first wavelength band; a second camera including a second lens for receiving light having a second wavelength band which is different from the first wavelength band, the second lens being disposed facing the first lens of the first camera; and a parabolic mirror set between the first camera and the second camera, able to let the light having the first wavelength band penetrate therethrough, and at the same time, reflect the light having the second wavelength band. The first camera is a non-fisheye camera. The first lens is a non-fisheye lens. The second camera and the parabolic mirror form a catadioptric camera. The aperture stop of the non-fisheye lens coincides with the focal point of the parabolic mirror.

13. 发明授权

US08774645B2 Method and apparatus for controlling bias point of differential quadrature phase shift keying demodulator 有权
标题翻译：用于控制差分正交相移键控解调器偏置点的方法和装置
公开(公告)号：US08774645B2
公开(公告)日：2014-07-08
申请号：US13634469
申请日：2010-08-20
申请人： Jianhua Chen , Hong Yi
发明人： Jianhua Chen , Hong Yi
IPC分类号： H04B10/06
CPC分类号： H04B10/69 , H04B10/50575 , H04B10/50577 , H04B10/677
摘要： Method and apparatus for controlling bias point of DQPSK demodulator are disclosed. The method comprises: step 1: respectively applying first and second bias voltages to I-path and Q-path, and applying identical pilot voltage signals to I-path and Q-path (S202); step 2: executing filtering processing on I-path and Q-path differential current signals collected by balance receiver and determining θIand θQ (S204); step 3: performing feedback control to first and second bias voltages respectively according to θI and θQ so that θI and θQ respectively reaches expected bias point values of I-path and Q-path (S206); executing step 2 and 3 cyclically at preset regular intervals (S208), so that θI and θQ remains consistently the expected bias point values of I-path and Q-path. The solution enables bias point of DQPSK demodulator to be locked at any expected bias point value, facilitates realization of digitization, and is not easily influenced.
摘要翻译：公开了用于控制DQPSK解调器偏置点的方法和装置。该方法包括：步骤1：分别对I路径和Q路径施加第一和第二偏置电压，并向I路径和Q路径施加相同的导频电压信号（S202）; 步骤2：对平衡接收机收集的I路径和Q路径差分电流信号执行滤波处理和确定; Iand＆thetas; Q（S204）; 步骤3：分别根据I和I等级Q对第一和第二偏置电压进行反馈控制，使得I和I等于Q分别达到I路径和Q路径的预期偏置点值（S206）; 以预定的时间间隔循环执行步骤2和3（S208），使得I和＆amp; t; Q保持一致地是I-path和Q-path的预期偏置点值。该解决方案使DQPSK解调器的偏置点能够被锁定在任何预期的偏置点值，便于数字化的实现，并且不容易受到影响。

14. 发明授权

US08743448B2 Method and apparatus for determining bias point of modulator 有权
标题翻译：用于确定调制器偏置点的方法和装置
公开(公告)号：US08743448B2
公开(公告)日：2014-06-03
申请号：US13637026
申请日：2010-08-16
申请人： Jianhua Chen , Hong Yi
发明人： Jianhua Chen , Hong Yi
IPC分类号： G02F1/01
CPC分类号： G02F1/0123 , G02F1/225 , G02F2001/212 , H04B10/50575
摘要： The disclosure discloses a method and an apparatus for determining a bias point of a modulator, wherein the method includes: adding pilot signals to the bias voltages of the modulator; adjusting the bias point of the modulator at a predetermined step and acquiring a first harmonic amplitude value corresponding to each bias point in a backlight detection current signal output by the modulator; and determining a bias point corresponding to the maximum value of the first harmonic amplitude values associated with multiple bias points as the bias point of the modulator. By virtue of the disclosure, the detection of a difference frequency signal can be eliminated, thereby reducing the complexity and cost of a periphery control circuit while ensuring the control accuracy, effectively improving the stability and reliability of the control process, and improving the modulation and transmission performance of optical signals in the whole system.
摘要翻译：本公开公开了一种用于确定调制器的偏置点的方法和装置，其中该方法包括：将导频信号添加到调制器的偏置电压; 在预定步骤调整调制器的偏置点，并获取由调制器输出的背光检测电流信号中对应于每个偏置点的一次谐波振幅值; 并且确定对应于与多个偏置点相关联的一次谐波振幅值的最大值的偏置点作为调制器的偏置点。凭借本公开，可以消除差分频率信号的检测，从而降低外围控制电路的复杂性和成本，同时确保控制精度，有效提高控制过程的稳定性和可靠性，并改进调制和光信号在整个系统中的传输性能。

15. 发明授权

US11216919B2 Image processing method, apparatus, and computer-readable recording medium 有权
公开(公告)号：US11216919B2
公开(公告)日：2022-01-04
申请号：US16807589
申请日：2020-03-03
申请人： Haijing Jia , Hong Yi , Liyan Liu , Wei Wang
发明人： Haijing Jia , Hong Yi , Liyan Liu , Wei Wang
IPC分类号： G06T5/00 , G06T3/40 , G06T5/50
摘要： An image processing method includes obtaining an original image; partitioning the original image into a first part and a second part such that distortion of at least a part of an image in the first part of the original image is smaller than a predetermined threshold, and distortion of at least a part of an image in the second part of the original image is greater than or equal to the predetermined threshold; correcting the second part of the original image so as to obtain a distortion-corrected image corresponding to the second part; and recognizing the first part of the original image and the distortion-corrected image so as to recognize an object in the original image.

16. 发明授权

US10438334B2 Three dimensional image fusion method and device and non-transitory computer-readable medium 有权
公开(公告)号：US10438334B2
公开(公告)日：2019-10-08
申请号：US15848692
申请日：2017-12-20
申请人： Hong Yi , Weitao Gong , Haihua Yu , Wei Wang
发明人： Hong Yi , Weitao Gong , Haihua Yu , Wei Wang
IPC分类号： G06T5/00 , G06T5/50 , G06T7/30 , G06T7/33 , G06T3/00 , G06T15/20
摘要： Three dimensional image fusion method and device are disclosed. The method includes steps of obtaining a spherical image and a two dimensional image; projecting the two dimensional image onto a planar surface predetermined in a spherical coordinate system where the spherical image is located, so as to acquire a projected image having a predetermined number of feature points on the spherical surface corresponding to the spherical image; determining multiple mapping points on the spherical surface which correspond to the predetermined number of feature points, letting the predetermined number of feature points superpose on the multiple mapping points, respectively, and carrying out spatial coordinate conversion, so as to attain a converted image; and mapping multiple points except the predetermined number of feature points in the converted image onto the spherical image based on a predetermined mapping relationship, so as to fuse the two dimensional image onto the spherical image.

17. 发明申请

US20180240223A1 THREE DIMENSIONAL IMAGE FUSION METHOD AND DEVICE AND NON-TRANSITORY COMPUTER-READABLE MEDIUM 审中-公开
公开(公告)号：US20180240223A1
公开(公告)日：2018-08-23
申请号：US15848692
申请日：2017-12-20
申请人： Hong Yi , Weitao Gong , Haihua Yu , Wei Wang
发明人： Hong Yi , Weitao Gong , Haihua Yu , Wei Wang
IPC分类号： G06T5/50 , G06T7/30
CPC分类号： G06T5/50 , G06T3/00 , G06T7/30 , G06T7/33 , G06T15/20 , G06T2207/20221
摘要： Three dimensional image fusion method and device are disclosed. The method includes steps of obtaining a spherical image and a two dimensional image; projecting the two dimensional image onto a planar surface predetermined in a spherical coordinate system where the spherical image is located, so as to acquire a projected image having a predetermined number of feature points on the spherical surface corresponding to the spherical image; determining multiple mapping points on the spherical surface which correspond to the predetermined number of feature points, letting the predetermined number of feature points superpose on the multiple mapping points, respectively, and carrying out spatial coordinate conversion, so as to attain a converted image; and mapping multiple points except the predetermined number of feature points in the converted image onto the spherical image based on a predetermined mapping relationship, so as to fuse the two dimensional image onto the spherical image.

18. 发明授权

US08861892B2 Method and apparatus for determining projection area of image 有权
标题翻译：用于确定图像投影面积的方法和装置
公开(公告)号：US08861892B2
公开(公告)日：2014-10-14
申请号：US13666152
申请日：2012-11-01
申请人： Haihua Yu , Hong Yi , Wei Wang
发明人： Haihua Yu , Hong Yi , Wei Wang
IPC分类号： G06K9/32 , G06K9/36 , G06T7/00
CPC分类号： G06T7/00 , G06T7/73 , G06T2207/10016 , G06T2207/10152 , G06T2207/20164
摘要： A method and an apparatus for determining a projection area of an image are provided. The method for determining a projection area of an image, comprises: an input step of inputting an image sequence having a plurality of images; a detecting step of detecting locations of projection areas of the respective images in the image sequence; a relationship classification judging step of judging a relationship classification between the image and a previous image before the image being projected based on a relationship between the location of the projection area of the image and the location of the projection area of the previous image; and a determining step of determining the locations of the projection areas of the respective images based on the relationship classification judged in the relationship classification judging step.
摘要翻译：提供了一种用于确定图像的投影区域的方法和装置。用于确定图像的投影区域的方法包括：输入步骤，输入具有多个图像的图像序列; 检测步骤，检测图像序列中各图像的投影区域的位置; 关系分类判断步骤，基于图像的投影区域的位置与前一图像的投影区域的位置之间的关系来判断图像与投影图像之前的先前图像之间的关系分类; 以及确定步骤，基于在关系分类判断步骤中判断的关系分类来确定各个图像的投影区域的位置。

19. 发明申请

US20130016418A1 Method and Apparatus for Determining Bias Point of Modulator 有权
标题翻译：用于确定调制器偏置点的方法和装置
公开(公告)号：US20130016418A1
公开(公告)日：2013-01-17
申请号：US13637026
申请日：2010-08-16
申请人： Jianhua Chen , Hong Yi
发明人： Jianhua Chen , Hong Yi
IPC分类号： G02F1/01
CPC分类号： G02F1/0123 , G02F1/225 , G02F2001/212 , H04B10/50575
摘要： The disclosure discloses a method and an apparatus for determining a bias point of a modulator, wherein the method includes: adding pilot signals to the bias voltages of the modulator; adjusting the bias point of the modulator at a predetermined step and acquiring a first harmonic amplitude value corresponding to each bias point in a backlight detection current signal output by the modulator; and determining a bias point corresponding to the maximum value of the first harmonic amplitude values associated with multiple bias points as the bias point of the modulator. By virtue of the disclosure, the detection of a difference frequency signal can be eliminated, thereby reducing the complexity and cost of a periphery control circuit while ensuring the control accuracy, effectively improving the stability and reliability of the control process, and improving the modulation and transmission performance of optical signals in the whole system.
摘要翻译：本公开公开了一种用于确定调制器的偏置点的方法和装置，其中该方法包括：将导频信号添加到调制器的偏置电压; 在预定步骤调整调制器的偏置点，并获取由调制器输出的背光检测电流信号中对应于每个偏置点的一次谐波振幅值; 并且确定对应于与多个偏置点相关联的一次谐波振幅值的最大值的偏置点作为调制器的偏置点。凭借本公开，可以消除差分频率信号的检测，从而降低外围控制电路的复杂性和成本，同时确保控制精度，有效提高控制过程的稳定性和可靠性，并改进调制和光信号在整个系统中的传输性能。

20. 发明申请

US20110274315A1 METHOD, DEVICE, AND COMPUTER-READABLE MEDIUM OF OBJECT DETECTION 有权
标题翻译：对象检测的方法，设备和计算机可读介质
公开(公告)号：US20110274315A1
公开(公告)日：2011-11-10
申请号：US13095128
申请日：2011-04-27
申请人： Shengyin FAN , Hong Yi , Yu Deng , Xin Wang
发明人： Shengyin FAN , Hong Yi , Yu Deng , Xin Wang
IPC分类号： G06K9/00
CPC分类号： G06K9/00771 , G06T7/215 , G06T7/277 , G06T2207/10016 , G06T2207/20076 , G06T2207/30196
摘要： Disclosed are an object detection method and an object detection device. The object detection method comprises a step of obtaining plural detection results of a current frame according to plural object detection methods; a step of setting initial probabilities of the plural detection results of the current frame; a step of calculating a movement frequency distribution diagram representing movement frequencies of respective pixels in the current frame; a step of obtaining detection results of a previous frame; a step of updating the probabilities of the plural detection results of the current frame; and a step of determining a final list of detected objects based on the updated probabilities of the plural detection results of the current frame.
摘要翻译：公开了一种物体检测方法和物体检测装置。物体检测方法包括根据多个物体检测方法获得当前帧的多个检测结果的步骤; 设定当前帧的多个检测结果的初始概率的步骤; 计算表示当前帧中的各个像素的移动频率的移动频率分布图的步骤; 获取前一帧的检测结果的步骤; 更新当前帧的多个检测结果的概率的步骤; 以及基于当前帧的多个检测结果的更新概率来确定检测对象的最终列表的步骤。

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