Patents by Inventor Lin Du

Lin Du 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).

  • Publication number: 20170318232
    Abstract: Embodiments of the present application disclose various image capture control methods and apparatuses. One of the image capture control methods comprises: determining a first zone as an allowable image blur zone, the first zone being a part of a shooting scene; determining a first imaging region that corresponds to the allowable image blur zone in an image sensor; adjusting a first pixel density distribution of the first image sensor, to cause the first pixel density of the imaging region to be lower than a second pixel density of a second imaging region in the image sensor after being adjusted; and performing, by using the image sensor after being adjusted, image capture on the shooting scene.
    Type: Application
    Filed: October 10, 2015
    Publication date: November 2, 2017
    Inventors: KUIFEI YU, LIN DU
  • Publication number: 20170317747
    Abstract: Embodiments of the present application provide a visible light signal receiving and control method, a control apparatus, and a receiving device. The method comprises: determining a communication performance between a visible light signal receiving device and at least one visible light signal transmit device; and in response to a reduction of the communication performance between the visible light signal receiving device and the at least one visible light signal transmit device, using a first logic pixel unit of an image sensor related to the at least one visible light signal transmit device as at least two second logic pixel units for reading separately when reading inductive charges of the image sensor of the visible light signal receiving device.
    Type: Application
    Filed: October 10, 2015
    Publication date: November 2, 2017
    Inventors: Ran XU, Lin DU
  • Publication number: 20170316733
    Abstract: Embodiments of the present application disclose various display devices with adjustable pixel density and methods for adjusting display pixel density. One of the display devices with adjustable pixel density comprises: a plurality of display pixels distributed in an array form, and a controllably-deformable material part being separately connected to the plurality of display pixels, wherein the controllably-deformable material part may deform under an effect of an external field, so as to accordingly adjust density distribution of the plurality of display pixels.
    Type: Application
    Filed: October 10, 2015
    Publication date: November 2, 2017
    Inventor: Lin DU
  • Publication number: 20170307436
    Abstract: Embodiments of the present application disclose a method and an apparatus for obtaining vibration information and a piece of user equipment. The method comprises: obtaining multiple groups of electromagnetic wave receiving signals corresponding to multiple receiving locations; obtaining, according to transmission channel information between the multiple receiving locations and the multiple reflective units and the multiple groups of electromagnetic wave receiving signals, multiple reflected electromagnetic wave signals respectively corresponding to the multiple reflective units; and obtaining, according to the multiple reflected electromagnetic wave signals, multiple pieces of vibration information respectively corresponding to the multiple reflective units.
    Type: Application
    Filed: October 10, 2015
    Publication date: October 26, 2017
    Inventor: LIN DU
  • Publication number: 20170310866
    Abstract: Embodiments of the present application disclose various image capture control methods and apparatuses, wherein one of the methods comprises: acquiring motion information of an object during the process of image capture by an image sensor; determining, according to the motion information, a relative displacement of a sub-image that corresponds to the object on the image sensor within a first exposure duration; determining, in the image sensor, a first imaging region that corresponds to the relative displacement and that has not performed any image capture; adjusting an image capture control parameter of the first imaging region to shorten an exposure duration of the first imaging region; and performing, according to the image capture control parameter after being adjusted, image capture on the first imaging region. In the embodiments of the present application, overall quality of an image captured by an image sensor is improved.
    Type: Application
    Filed: October 10, 2015
    Publication date: October 26, 2017
    Applicant: Beijing Zhigu Rui Tuo Tech Co., Ltd.
    Inventors: LIANG ZHOU, LIN DU
  • Publication number: 20170310865
    Abstract: Embodiments of the present application disclose various image capture control methods and apparatus. One of the image capture control methods comprises: acquiring motion information of an object; determining, according to the motion information, a relative displacement of an image that corresponds to the object on an image sensor within a first exposure duration; determining an imaging region that corresponds to the relative displacement in the image sensor; adjusting an image capture control parameter of the imaging region, to shorten the first exposure duration of the imaging region; and performing, by using the image sensor after being adjusted, an image capture on the object. In the embodiments of the present application, the degree of image blur for the imaging region due to motion of the object is reduced as far as possible, without affecting the quality of an image captured by another region of the image sensor, thereby improving overall quality of an image captured by the image sensor.
    Type: Application
    Filed: October 10, 2015
    Publication date: October 26, 2017
    Inventors: LIANG ZHOU, LIN DU
  • Publication number: 20170308203
    Abstract: The present application provides a control method, apparatus and system. A method comprises: detecting a signal in a circuit; in response to detection of a loopback signal in the circuit, determining that a loop is formed by at least one part of a capacitive touch screen, a device and a user; and in response to formation of the loop, disabling or enabling a function corresponding to the at least one part of the capacitive touch screen. By use of the technical solution provided in the present application, formation of a loop is determined through detection of a loopback signal, thereby determining identity of the user, to disable or enable at least one function. In a scenario like driving, the user's multitasking can be effectively avoided, thereby improving security.
    Type: Application
    Filed: July 24, 2015
    Publication date: October 26, 2017
    Inventors: Zhengxiang WANG, Lin DU
  • Publication number: 20170289459
    Abstract: Embodiments of the subject application disclose various imaging control methods and apparatuses for a digital zoom image and various imaging devices. One of imaging control methods for a digital zoom image comprises: acquiring a digital zoom parameter; determining an actual imaging area of an image sensor according to the acquired digital zoom parameter; adjusting a pixel density distribution of the image sensor, to cause an average pixel density of the actual imaging area after adjustment to become greater than those of other areas of the image sensor; and acquiring, by using the actual imaging area with the adjusted average pixel density, an image of a scene to be photographed.
    Type: Application
    Filed: August 26, 2015
    Publication date: October 5, 2017
    Inventor: LIN DU
  • Publication number: 20170280071
    Abstract: Embodiments of the present application disclose various super-resolution image acquisition methods and acquisition apparatus, wherein one of super-resolution image acquisition methods comprises: determining a to-be-adjusted region of an image sensor of at least one camera in a camera array, the to-be-adjusted region being an imaging region of the image sensor of the at least one camera corresponding to a first region, and the first region being at least a local part of a scene; adjusting pixel point distribution of the image sensor of the at least one camera, to increase the number of pixel points distributed in the to-be-adjusted region; acquiring images of the scene respectively by cameras of the camera array after adjustment; and acquiring a super-resolution image of the scene according to the acquired images. The embodiments of the present application improve imaging quality of a sub-image in the super-resolution image corresponding to the first region.
    Type: Application
    Filed: September 10, 2015
    Publication date: September 28, 2017
    Inventors: LIANG ZHOU, LIN DU
  • Publication number: 20170280052
    Abstract: Embodiments of the present application disclose various super-resolution image acquisition methods and apparatus. One of the super-resolution image acquisition methods comprises: acquiring an image of a to-be-shot scene by an image sensor; changing pixel point distribution of the image sensor at least once; separately acquiring an image of the to-be-shot scene by the image sensor changed each time; and acquiring a super-resolution image of the to-be-shot scene according to the acquired images. According to the embodiments of the present application, by fusing multiple differentiated images of the same scene acquired by a single image sensor in different time periods, a super-resolution image is acquired. The solution is simple and easy to implement, and may better meet users' diversified actual application needs.
    Type: Application
    Filed: August 26, 2015
    Publication date: September 28, 2017
    Inventors: LIANG ZHOU, LIN DU
  • Publication number: 20170280070
    Abstract: Embodiments of the present application disclose various super-resolution image acquisition methods and acquisition apparatuses, wherein a super-resolution image acquisition method comprises: determining sub-pixel level target offset distances of corresponding logic pixel points in respective to-be-adjusted regions of image sensors of any two adjacent cameras of a camera array, the respective to-be-adjusted regions being imaging regions of the image sensors respectively corresponding to a first region, and the first region being at least a local part of a scene; adjusting pixel point distribution of image sensors of respective cameras in the camera array according to the sub-pixel level target offset distances; acquiring images of the scene respectively based on the cameras after adjustment; and acquiring a super-resolution image of the scene according to the acquired images.
    Type: Application
    Filed: September 10, 2015
    Publication date: September 28, 2017
    Inventors: LIANG ZHOU, LIN DU
  • Publication number: 20170264843
    Abstract: Embodiments of the subject application disclose various light field capture control methods and apparatuses and various light field capture devices, wherein one of the light field capture control methods comprises: determining at least one sub-lens, which affects light field capture of a first region, in a sub-lens array of a light field camera, the first region being a local part of a to-be-shot scene; determining a to-be-adjusted region of an image sensor of the light field camera according to the at least one sub-lens; adjusting pixel density distribution of the image sensor, to cause average pixel density distribution of the to-be-adjusted region to be distinguished from that of other regions of the image sensor; and performing, by the adjusted image sensor, light field capture of the to-be-shot scene.
    Type: Application
    Filed: August 26, 2015
    Publication date: September 14, 2017
    Inventors: LIANG ZHOU, LIN DU
  • Publication number: 20170257588
    Abstract: Embodiments of the subject application disclose various light field capture control methods and apparatuses and various light field capture devices, wherein one light field capture control method comprises: acquiring depth information of a to-be-shot scene; determining target pixel density distribution information of an image sensor of a light field camera according to the depth information; adjusting pixel density distribution of the image sensor according to the target pixel density distribution information; and performing, by the adjusted image sensor, light field capture of the to-be-shot scene. The technical solution provided in the embodiments of the subject application can make full use of overall pixels of the image sensor of the light field camera to unevenly record light field information of different regions of the to-be-shot scene in a depth of field (DOF) direction, thereby improving light field capture efficiency.
    Type: Application
    Filed: August 26, 2015
    Publication date: September 7, 2017
    Inventors: LIANG ZHOU, LIN DU
  • Patent number: 9749684
    Abstract: A multimedia processing method comprises: obtaining, according to sound data, sound information that corresponds to a sound having at least one predefined feature; analyzing image data associated with the sound data and a current image display parameter and determining a display area according to the sound information; obtaining, according to the display area, information about a perceptual sound source location that corresponds to the sound information; and processing the sound data according to the information about the perceptual sound source location and a current sound playback parameter to obtain processed sound data corresponding to the information about the perceptual sound source location. Relevant sound data and image data are processed, to cause processed sound data to adapt to a current sound playback module and a display module, so that the sound effect of sound information corresponding to the sound data can be accurately reproduced, thereby improving user experience.
    Type: Grant
    Filed: December 29, 2014
    Date of Patent: August 29, 2017
    Assignee: BEIJING ZHIGU RUI TUO TECH CO., LTD
    Inventors: Lin Du, Wei Shi
  • Patent number: 9742502
    Abstract: The present application provides an interaction method and system, and relates to the field of information interaction. The method comprises: in response to contact between a user body and an object, receiving a wave signal that is sent by the object and is transmitted by using a medium comprising at least a part of the user body. The system comprises: a receiving apparatus, configured to: in response to contact between a user body and an object, receive a wave signal that is sent by the object and is transmitted by using a medium comprising at least a part of the user body. The interaction method and system can help a user to naturally and efficiently complete an information interaction process, simplify an interaction process, and improve the interaction efficiency.
    Type: Grant
    Filed: March 12, 2015
    Date of Patent: August 22, 2017
    Assignee: BEIJING ZHIGU RUI TUO TECH CO., LTD
    Inventors: Lin Du, Lei Pan
  • Publication number: 20170229523
    Abstract: Various image acquisition control methods and apparatuses, and various image acquisition devices are disclosed. One of the image acquisition control methods comprises: acquiring target pixel density distribution information of an image to be acquired; adjusting pixel density distribution of an image sensor according to the target pixel density distribution information; and acquiring the image to be acquired according to the adjusted image sensor. Technical solutions provided can fully utilize integral pixels of an image sensor to achieve differentiated resolution of different displayed regions of an acquired image, improve efficiency of image acquisition, and/or better satisfy diversified application demands of a user.
    Type: Application
    Filed: July 24, 2015
    Publication date: August 10, 2017
    Inventor: Lin DU
  • Publication number: 20170230584
    Abstract: A photography illumination compensation method comprises: obtaining a surface shape characteristic of a photographed side of an object in a photographing field of view; obtaining first relative direction information of the object relative to a photography position related to the photographing field of view, obtaining second relative direction information of the object relative to an illumination array comprising multiple illumination units, and adjusting, according to the surface reflection characteristic, the first relative direction information, the second relative direction information, and a set illumination compensation criterion, an illumination parameter of an illumination unit in the illumination array.
    Type: Application
    Filed: July 24, 2015
    Publication date: August 10, 2017
    Inventors: Lin DU, Zhengxiang WANG
  • Publication number: 20170229499
    Abstract: Embodiments of the present application disclose image sensors with adjustable pixel density and pixel density adjustment methods thereof, wherein one of the image sensors with adjustable pixel density comprises: a plurality of image sensor pixels array-distributed; and a controllable deformed material portion respectively connected with the plurality of image sensor pixels; the controllable deformed material portion being deformable under the action of an external field and density distribution of the plurality of image sensor pixels being correspondingly adjusted through the deformation. The technical solutions of the embodiments of the present application can achieve adjustable pixel density of the image sensor, performs image acquisition based on the image sensor with adjustable pixel density, and can make full use of overall pixels of the image sensor to present differentiated resolution of different regions of an acquired image, thereby better meeting users' diversified application demands.
    Type: Application
    Filed: July 24, 2015
    Publication date: August 10, 2017
    Inventor: Lin DU
  • Publication number: 20170208317
    Abstract: Embodiments of the present application disclose a light field display control method and apparatus and a light field display device. The light field display control method comprises: determining at least one depth distribution sub-region of content according to a display depth of field (DoF) range of a light field display device and depth distribution information of the content, wherein each depth distribution sub-region of the at least one depth distribution sub-region is located outside the display DoF range; and tilting a first display unit at least with respect to an original plane of a display array of the light field display device according to the display DoF range of the light field display device and the depth distribution sub-region, wherein the first display unit is a display unit that is in the display array and affects display of a first object, and the first object is a part, which is located in the depth distribution sub-region, of the content.
    Type: Application
    Filed: January 4, 2017
    Publication date: July 20, 2017
    Inventors: Lin Du, Liang Zhou
  • Publication number: 20170208314
    Abstract: Embodiments of the present application disclose a light field display control method and apparatus and a light field display device. The light field display control method comprises: determining a partial depth distribution sub-region of content according to at least depth distribution information of the content; and tilting a first display unit at least with respect to an original plane of a display array of a light field display device according to a display depth of field (DoF) range of the light field display device and the depth distribution sub-region, wherein the first display unit is a display unit that is in the display array and affects display of a first object, and the first object is a part, which is located in the depth distribution sub-region, of the content. The present application can improve display quality of an object, which is located in a partial depth distribution sub-region, of content to be displayed or content being displayed.
    Type: Application
    Filed: January 4, 2017
    Publication date: July 20, 2017
    Inventors: Lin Du, Liang Zhou