Patents by Inventor Kongqiao Wang

Kongqiao Wang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10212329
    Abstract: System and method for synchronizing a plurality of devices are disclosed. According to certain embodiments, a synchronization method includes transmitting, at a first point in time, a first signal for a device to initiate a first operation. The method also includes transmitting, at a second point in time, a second signal for a device to initiate a second operation. The first signal and the second signal indicate a difference between the first point in time and the second point in time.
    Type: Grant
    Filed: May 11, 2016
    Date of Patent: February 19, 2019
    Assignee: SHANGHAI XIAOYI TECHNOLOGY CO., LTD.
    Inventors: Xiangang Chang, Baoqi Wang, Kongqiao Wang, Chao He
  • Patent number: 10198173
    Abstract: An apparatus, method and computer program product are caused at least to perform: controlling a touch sensitive display to display a first graphical item at a first position and a second graphical item at a second position, the second graphical item being separated from the first graphical item by a first distance; detecting a first user digit at the first position and a second user digit at the second position; reducing the first distance by moving at least one of the first and second graphical items across the touch sensitive display, in response to detecting movement, across the touch sensitive display, of at least one of the first and second user digits; and controlling the touch sensitive display to display a third graphical item, after determining the first distance has been reduced such that the first graphical item is proximate the second graphical item.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: February 5, 2019
    Assignee: Nokia Technologies Oy
    Inventors: Wei Wang, Kongqiao Wang, Xiaohui Xie, Yingfei Liu, Xia Wang, Huanglingzi Liu, Bin Wang, Zhen Liu, Yuezhong Tang
  • Publication number: 20180357775
    Abstract: Obtaining a first set including key point descriptors in a first image that is of a to-be-shot scene and that is formed by using a first camera in a dual camera system, and a second set including key point descriptors in a second image that is of the to-be-shot scene and that is formed by using a second; pairing a key point in the first set and a key point in the second set that match each other to form a key point pair; selecting the key point pair that meets a predetermined condition; generating an image alignment vector field according to the selected key point pair; and estimating an occlusion area according to the depth information of the first image and the second image, and eliminating an alignment vector of the occlusion area in the image alignment vector field, to form a corrected image alignment vector field.
    Type: Application
    Filed: November 30, 2015
    Publication date: December 13, 2018
    Inventors: Kongqiao WANG, Jiangwei LI, Congchao ZHU
  • Publication number: 20180322658
    Abstract: A camera calibration method includes: based on external parameters of the first camera, determining a first mapping point set on a reference mapping plane for a first feature point set on an original image captured by the first camera; based on M predetermined adjustment modes, adjusting external parameter values of the second camera to obtain M intermediate extremal parameter values; based on each adjustment mode and its corresponding external parameter values, determining a second mapping point set on the reference mapping plane for a second feature point set that matches with the first feature point set and is on an original image captured by the second camera; computing a distance corresponding to the adjustment mode between the second mapping point set and the first mapping point set; and adjusting the external parameter values of the second camera based on the distance and a step length corresponding to each adjustment mode.
    Type: Application
    Filed: July 12, 2018
    Publication date: November 8, 2018
    Inventors: Kongqiao Wang, Wei Zhao
  • Publication number: 20180293770
    Abstract: A method includes obtaining a to-be-processed current point in a target area in a current frame, obtaining a first-type smoothing weight of a first-type neighborhood point in an Nth frame before the current frame with respect to the current point, where the first-type neighborhood point is an Xth circle point that encircles a point corresponding to a location of the current point and that is in the Nth frame before the current frame, obtaining a second-type smoothing weight of a second-type neighborhood point in an Mth frame after the current frame with respect to the current point, where the second-type neighborhood point is a Yth circle point that encircles the point corresponding to the location of the current point and that is in the Mth frame after the current frame, and performing smoothing calculation on the current point according to the first-type smoothing weight and the second-type smoothing weight.
    Type: Application
    Filed: November 16, 2015
    Publication date: October 11, 2018
    Inventors: Kongqiao Wang, Jiangwei Li, Hao Wang, Xiuyan Guo
  • Patent number: 10095033
    Abstract: The invention relates to a method, comprising tracking the gaze of an eye of a user by a first camera, wherein a position of the gaze determines a place for the cursor on the screen of a near-to-eye display (NED), wherein the movement of the gaze is configured to move the cursor on the screen and when the movement of the gaze is detected to be still or moving only slightly; observing a gesture of one hand of the user by a second camera, and executing a further operation if at least one gesture of the hand is detected. The invention further relates to an apparatus and a computer program product configured to perform the method.
    Type: Grant
    Filed: July 27, 2012
    Date of Patent: October 9, 2018
    Assignee: NOKIA TECHNOLOGIES OY
    Inventors: Kongqiao Wang, Vuokko Lantz, Jiangwei Li, Lei Xu, Jyri Huopaniemi
  • Patent number: 10096127
    Abstract: It is inter alia disclosed to classify samples of a set of samples of an image regarding whether or not a respective sample comprises optical information on a specific object type based on classification information. Therein, the classification information comprises a plurality of classifiers, each classifier being associated exclusively with one color channel of a plurality of color channels.
    Type: Grant
    Filed: October 22, 2012
    Date of Patent: October 9, 2018
    Assignee: Nokia Technologies Oy
    Inventors: Jiangwei Li, Lei Xu, Yikai Fang, Kongqiao Wang
  • Patent number: 10073608
    Abstract: An apparatus, a method, a computer program and a graphical user interface is provided.
    Type: Grant
    Filed: March 8, 2010
    Date of Patent: September 11, 2018
    Assignee: Nokia Technologies Oy
    Inventors: Wei Wang, Kongqiao Wang, Xiaohui Xie, Yingfei Liu, Xia Wang, Huanglingzi Liu, Bin Wang, Zhen Liu, Yuezhong Tang
  • Publication number: 20180211428
    Abstract: A method includes: receiving sensor data representing a subject within a field of vision associated with respective ones of a plurality of modular cameras associated with a composite camera and one or more geo-spatial characteristics associated with respective ones of the plurality of modular cameras; determining an arrangement of the composite camera based on the sensor data; generating digital content for respective ones of the plurality of modular cameras based on the sensor data; and generating combined digital content that represents a subject within a field of vision associated with the composite camera based on the digital content and the arrangement of the composite camera, wherein the field of vision associated with the composite camera includes at least some of fields of vision associated with the plurality of modular cameras.
    Type: Application
    Filed: February 8, 2017
    Publication date: July 26, 2018
    Inventors: Kongqiao Wang, Xiao-feng Li, Yajun Zhao, Wang Huang
  • Publication number: 20180213136
    Abstract: A shooting method and a mobile device are used to resolve a technical problem in shooting new visual media such as a Living Image by operating a shooting button, so as to simplify a shooting operation of the new visual media, such as the Living Image, that is different from a picture and a video. In some feasible implementation manners of the present invention, the method includes: starting video shooting on a shooting screen when a long press event of a shooting button is received; and when the long press event ends, if a long press period of the shooting button does not exceed a first set threshold, completing mixed visual media shooting, where the mixed visual media includes one video clip and at least one static picture.
    Type: Application
    Filed: October 13, 2015
    Publication date: July 26, 2018
    Inventor: Kongqiao WANG
  • Patent number: 10031589
    Abstract: A method comprising: causing transfer of a displayable first item to a display of a remote apparatus by causing transfer of data to the remote apparatus, the data defining features of the displayable first item; and enabling remote user-control of interaction, in the display of the remote apparatus, between a second item displayed in the display of the remote apparatus and the transferred displayable first item.
    Type: Grant
    Filed: May 22, 2013
    Date of Patent: July 24, 2018
    Assignee: Nokia Technologies Oy
    Inventors: Kongqiao Wang, Yingfei Liu
  • Patent number: 9973706
    Abstract: Embodiments of the present invention relate to a method and apparatus for detecting an imaging condition. In one embodiment, there is provided a method for detecting an imaging condition. The method comprises: determining, based on luminance distribution in a first image of a scene, imaging lightness of the first image, the first image being captured by a first camera; determining, based on detection of a highlighted region in a second image of the scene, imaging exposureness of the second image, the second image being captured by a second camera, the first image and the second image being captured under a same or similar imaging condition, an exposure amount of the first camera being lower than an exposure amount of the second camera. There is also disclosed a relevant apparatus, electronic device, and a computer program product.
    Type: Grant
    Filed: July 3, 2015
    Date of Patent: May 15, 2018
    Assignee: Nokia Technologies Oy
    Inventors: Kongqiao Wang, Jiangwei Li, He Yan
  • Patent number: 9922241
    Abstract: The invention concerns a gesture recognition method for gesture-based interaction at an apparatus. The method comprises receiving one or more images of an object; creating feature images for the received one or more images; determining binary values for pixels in corresponding locations of said feature images and concatenating the binary values to form a binary string for said pixel; repeating the previous step for each corresponding pixel of said feature image to form a feature map and forming a histogram representation of the feature map. The invention also concerns an apparatus and a computer program.
    Type: Grant
    Filed: December 1, 2011
    Date of Patent: March 20, 2018
    Assignee: Nokia Technologies Oy
    Inventors: Jiangwei Li, Kongqiao Wang, Lei Xu
  • Patent number: 9912660
    Abstract: An apparatus comprising: a processor; and a memory including computer program code, the memory and the computer program code configured, with the processor, to cause the apparatus to perform at least the following: compare received biometric face vectors, wherein each received biometric face vector is received from a respective electronic device of a plurality of electronic devices and comprises one or more biometric face values determined from a respective image of a person captured by the corresponding electronic device; and provide for pairing authentication of the plurality of electronic devices if the comparison meets a predetermined similarity criterion.
    Type: Grant
    Filed: July 18, 2013
    Date of Patent: March 6, 2018
    Assignee: Nokia Technologies Oy
    Inventors: Kongqiao Wang, Jiangwei Li, Yingfei Liu
  • Publication number: 20180005410
    Abstract: A device is provided for adjusting brightness of a plurality of images each including a plurality of pixels. The device may include a memory configured to store instructions. The device may also include a processor configured to execute the instructions to determine overall luminance values of the images. The processor may also be configured to determine, from the images, a reference image and a reference overall luminance value based on the overall luminance values. The processor may further be configured to determine adjustment factors for the images based on the reference overall luminance value of the reference image, determine weighting factors for the pixels in an image to be adjusted, and adjust luminance values of the pixels in the image to be adjusted based on an adjustment factor for the image and the weighting factors for the pixels.
    Type: Application
    Filed: July 20, 2016
    Publication date: January 4, 2018
    Inventors: Kongqiao WANG, Junzhou MOU
  • Publication number: 20170352138
    Abstract: The present disclosure relates to methods and apparatus for globally adjusting luminance and/or chrominance consistency among multiple images. The methods may include sorting a plurality of images in an order, such that: adjacent images at least partially overlap with each other; and the first image and the last image at least partially overlap with each other. The methods may also include determining mean pixel values for overlapping region of the images. The methods may also include determining consistency factors for the images. The methods may also include generating modified mean pixel values by multiplying the mean pixel values by the respective consistency factors. The methods may also include adjusting the consistency factors to reduce differences of the modified mean pixel values in the overlapping regions. The methods may further include adjusting pixel values of the images based on the respective consistency factors.
    Type: Application
    Filed: June 30, 2016
    Publication date: December 7, 2017
    Inventor: Kongqiao WANG
  • Publication number: 20170337696
    Abstract: A system used for generating a transformed representation of a quantity of video data structured as a plurality of frames including arrays of rows and columns of pixels having pixel properties. The system may generate first representations of the video data based on a plurality of the rows; generate second representations of the video data based on a plurality of the columns; generate frame representations corresponding to the frames and based on the first and second representations; and combine the frame representations to form the transformed representation of the video data. The system may also generate frame representations respectively corresponding to the frames; combine the frame representations to form a transformed representation of the video data; analyze the transformed representation; and identify frames of interest based on the analysis.
    Type: Application
    Filed: July 1, 2016
    Publication date: November 23, 2017
    Inventor: Kongqiao Wang
  • Publication number: 20170289426
    Abstract: System and method for synchronizing a plurality of devices are disclosed. According to certain embodiments, a synchronization method includes transmitting, at a first point in time, a first signal for a device to initiate a first operation. The method also includes transmitting, at a second point in time, a second signal for a device to initiate a second operation. The first signal and the second signal indicate a difference between the first point in time and the second point in time.
    Type: Application
    Filed: May 11, 2016
    Publication date: October 5, 2017
    Inventors: Xiangang CHANG, Baoqi WANG, Kongqiao WANG, Chao HE
  • Patent number: 9754153
    Abstract: The present invention provides a method for image processing, a corresponding apparatus and a computer program product. The method comprises performing face detection of an image, obtaining a coarse face segmentation region of at least one face and a contour edge of the at least one face based on the face detection; and adjusting the coarse face segmentation region based on the contour edge to obtain a fine face segmentation region. By using the method, corresponding apparatus and computer program product of the present invention, the coarse face region in an image can be precisely segmented, which provides a good basis for the subsequent image processing based on the fine face segmentation region.
    Type: Grant
    Filed: November 21, 2013
    Date of Patent: September 5, 2017
    Assignee: Nokia Technologies Oy
    Inventors: Jiangwei Li, Kongqiao Wang, He Yan
  • Publication number: 20170208234
    Abstract: Embodiments of the present invention relate to a method and apparatus for detecting an imaging condition. In one embodiment, there is provided a method for detecting an imaging condition. The method comprises: determining, based on luminance distribution in a first image of a scene, imaging lightness of the first image, the first image being captured by a first camera; determining, based on detection of a highlighted region in a second image of the scene, imaging exposureness of the second image, the second image being captured by a second camera, the first image and the second image being captured under a same or similar imaging condition, an exposure amount of the first camera being lower than an exposure amount of the second camera. There is also disclosed a relevant apparatus, electronic device, and a computer program product.
    Type: Application
    Filed: July 3, 2015
    Publication date: July 20, 2017
    Inventors: Kongqiao Wang, Jiangwei Li, He Yan