Patents Assigned to ArcSoft Corporation Limited
  • Publication number: 20210118159
    Abstract: A method for image processing includes: receiving a third two-dimensional image and a depth image corresponding to the third two-dimensional image, wherein the third two-dimensional image and the depth image include a face; establishing a three-dimensional model of the face according to the depth image; rotating the three-dimensional model of the face by a first angle; projecting the three-dimensional model of the face rotated by the first angle to an image coordinate system of the third two-dimensional image; and building a three-dimensional model of a background region of the third two-dimensional image, processing a background region of an image projected to the image coordinate system of the third two-dimensional image to obtain a fourth image.
    Type: Application
    Filed: December 29, 2020
    Publication date: April 22, 2021
    Applicant: ArcSoft Corporation Limited
    Inventors: Wenxing Xi, Hui Deng, Hongzhuang Yang, Naiyang Lin, Long Zhang
  • Publication number: 20210118158
    Abstract: A method and a device for image processing are disclosed. The method includes: receiving a first image, wherein the first image includes a face; detecting the face and a background region in the first image, establishing a three-dimensional model of the face according to the first image; rotating the three-dimensional model of the face by a first angle; and projecting the three-dimensional model of the face rotated by the first angle to an image coordinate system of the first image and fusing a face region with a processed background region to obtain a second image.
    Type: Application
    Filed: December 29, 2020
    Publication date: April 22, 2021
    Applicant: ArcSoft Corporation Limited
    Inventors: Wenxing Xi, Hui Deng, Hongzhuang Yang, Naiyang Lin, Long Zhang
  • Patent number: 10964040
    Abstract: An operating method includes generating a first depth map by at least a first depth capture device, generating a second depth map by at least a second depth capture device, performing image registration on the first depth map with the second depth map to obtain transformed coordinates in the second depth map corresponding to pixels in the first depth map, and aligning depth data of the first depth map and depth data of the second depth map to generate an optimized depth map according to the transformed coordinates in the second depth map corresponding to the pixels in the first depth map.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: March 30, 2021
    Assignee: ArcSoft Corporation Limited
    Inventors: Hao Sun, Jian-Hua Lin, Chung-Yang Lin
  • Patent number: 10924729
    Abstract: The present invention provides a method and a device for calibration applied to the field of image processing. The method includes: acquiring a common two-dimensional image and an infrared image of a calibration object, wherein the calibration object carries a first pattern; calculating coordinates of the first pattern in the common two-dimensional image, acquiring coordinates of the first pattern in a global coordinate system, and calculating intrinsic parameters of a first camera device capturing the common two-dimensional image; and calculating coordinates of the first pattern in the infrared image, acquiring the coordinates of the first pattern in the global coordinate system, and calculating intrinsic parameters of a second camera device capturing the infrared image. The method for calibration is capable of enhancing calibration efficiency by a simple calibration method when calibrating a depth camera device.
    Type: Grant
    Filed: October 31, 2018
    Date of Patent: February 16, 2021
    Assignee: ArcSoft Corporation Limited
    Inventors: Li Yu, Menghan Liu, Wang Miao
  • Patent number: 10909699
    Abstract: The present invention provides a method and a device for image processing, which are applied to the field of image processing. The method includes: receiving a first image, wherein the first image includes a face; detecting the face and a background region in the first image, establishing a three-dimensional model of the face according to the first image; rotating the three-dimensional model of the face by a first angle; projecting the three-dimensional model of the face rotated by the first angle to an image coordinate system of the first image, and fusing a face region with a processed background region to obtain a second image. The prevent invention provides a method and device for image processing, which can adjust the angle of a face in a captured image to achieve the effect of face enhancement.
    Type: Grant
    Filed: October 22, 2018
    Date of Patent: February 2, 2021
    Assignee: ARCSOFT CORPORATION LIMITED
    Inventors: Wenxing Xi, Hui Deng, Hongzhuang Yang, Naiyang Lin, Long Zhang
  • Patent number: 10904536
    Abstract: Provided are a frame processing method and device for use in image processing. The method includes: receiving a first frame by a first processing unit; sending, by the first processing unit and before receiving a second frame processed with a third processing unit, the first frame to a second processing unit, followed by processing the first frame with the second processing unit or processing the first frame with the second processing unit and another processing unit; and receiving a third frame by the first processing unit before the first processing unit receives the first frame processed with the second processing unit or the first frame processed with the second processing unit and the other processing unit. The method precludes frame hysteresis, at a fixed frame rate and with invariable frame processability of each frame.
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: January 26, 2021
    Assignee: ArcSoft Corporation Limited
    Inventors: Muhuo Li, Jin Wang
  • Patent number: 10891473
    Abstract: A method and device for use in hand gesture recognition is applicable to image processing. The method includes: acquiring a depth map of a hand in a current image; estimating first positions of joints of the hand according to the depth map of the hand; creating a 3D point cloud of the hand according to the depth map of the hand; matching the first position of the joints of the hand and a stored 3D hand model to the 3D point cloud of the hand to obtain second positions of the joints and first degree of freedom parameters of the joints; and recognizing the hand's gestures according to the second positions of the joints and the first degree of freedom parameters of the joints. The method achieves a practical hand gesture recognition technique and recognizes hand gestures accurately.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: January 12, 2021
    Assignee: ArcSoft Corporation Limited
    Inventors: Zhiwei Zhang, Chen Tang, Mingming Zhu, Ping Ye, Jin Wang
  • Publication number: 20210004942
    Abstract: The disclosure provides a method and device for three-dimensional reconstruction, applied to the field of image processing. The method includes: obtaining a first depth map, which is photographed by a first photographic device, and obtaining a second depth map, which is photographed by a second photographic device; merging the first depth map with a first three-dimensional model according to a position of the first photographic device to obtain a second three-dimensional model; and merging the second depth map with the second three-dimensional model according to a position of the second photographic device to obtain a third three-dimensional model.
    Type: Application
    Filed: September 21, 2020
    Publication date: January 7, 2021
    Applicant: ArcSoft Corporation Limited
    Inventors: Wen Zhou, Wei Zhou, Long Zhang
  • Publication number: 20200410646
    Abstract: An apparatus for image processing includes a processor and a depth camera. The processor obtains a first two-dimensional image and focusing information of the first two-dimensional image, and obtains depth information of a part or all of a content captured in the first two-dimensional image via the depth camera. The processor determines a background area of the first two-dimensional image according to the focusing information. The processor also performs bokeh on the background area of the first two-dimensional image according to the depth information.
    Type: Application
    Filed: September 9, 2020
    Publication date: December 31, 2020
    Applicant: ArcSoft Corporation Limited
    Inventors: Jianhua Lin, Li Yu, Feng Zhou
  • Patent number: 10872439
    Abstract: The present invention provides a method and a device for verification applied to the field of image processing. The method includes: acquiring a common two-dimensional image, an infrared image and a depth map of a calibration object, wherein the calibration object carries a first pattern; calculating coordinates of an image formed on the infrared image by the first pattern, acquiring a depth value of the first pattern according to the depth map, and calculating a position of a projection formed on the common two-dimensional image by a three-dimensional point cloud corresponding to the image formed on the infrared image by the first pattern, and calculating a distance between an image and the projection formed on the common two-dimensional image by the first pattern. The method and device for verification provided by the present invention can verify a calibration parameter obtained after calibration performed by a depth camera device, enhancing calibration accuracy.
    Type: Grant
    Filed: October 31, 2018
    Date of Patent: December 22, 2020
    Assignee: ArcSoft Corporation Limited
    Inventors: Li Yu, Menghan Liu, Wang Miao
  • Patent number: 10839599
    Abstract: The present invention provides a method and a device for three-dimensional modeling, used in the field of image processing. The method includes: receiving a first two-dimensional image and a depth map corresponding to the first two-dimensional image; the first two-dimensional image and the depth map respectively include a face; fitting three-dimensional face model by a first three-dimensional face database according to a position of a face feature point in the first two-dimensional image and the depth map corresponding to the first two-dimensional image. The method and the device for three-dimensional modeling provided by the present invention can improve the efficiency of the facial three-dimensional modeling and the precision of modeling.
    Type: Grant
    Filed: October 22, 2018
    Date of Patent: November 17, 2020
    Assignee: ARCSOFT CORPORATION LIMITED
    Inventors: Hongzhuang Yang, Long Zhang, Wen Zhou, Wei Zhou, Jin Wang
  • Patent number: 10810718
    Abstract: The present invention provides a method and device for three-dimensional reconstruction, applied to the field of image processing. The method comprises: obtaining a first depth map, which is photographed by a first photographic device, and obtaining a second depth map, which is photographed by a second photographic device; merging the first depth map with a first three-dimensional model according to a position of the first photographic device to obtain a second three-dimensional model; and merging the second depth map with the second three-dimensional model according to a position of the second photographic device to obtain a third three-dimensional model. By adoption of the method, during the reconstruction of three-dimensional images, the reconstruction effect of the three-dimensional images of the top and the bottom of the target object can be improved, and the precision of the reconstructed three-dimensional images is improved.
    Type: Grant
    Filed: September 26, 2018
    Date of Patent: October 20, 2020
    Assignee: ArcSoft Corporation Limited
    Inventors: Wen Zhou, Wei Zhou, Long Zhang
  • Patent number: 10803556
    Abstract: The present invention provides a method and an apparatus for image processing, applied in image processing field, where the method comprises: obtaining a first two-dimensional image and focusing information of the first two-dimensional image, obtaining depth information of a part or all of a content in the first two-dimensional image, determining a background area of the first two-dimensional image according to the focusing information, performing bokeh on the background area of the first two-dimensional image according to the depth information. The above method can reduce requirements for hardware, operate easily, and perform bokeh on the background quickly when performing bokeh on the background.
    Type: Grant
    Filed: September 6, 2018
    Date of Patent: October 13, 2020
    Assignee: ArcSoft Corporation Limited
    Inventors: Jianhua Lin, Li Yu, Feng Zhou
  • Publication number: 20200296285
    Abstract: A method and an apparatus for focusing are provided. The method includes: determining that imaging mode switches from a third imaging mode to a fourth imaging mode, wherein the third imaging mode comprises a mode in which a non-depth camera is used to take a picture, and the fourth imaging mode comprises a mode in which a depth camera is used to take a picture; creating a third feature template, wherein the third feature template is used to record depth information of a target object; and searching for an image of the target object according to the third feature template in the fourth imaging mode.
    Type: Application
    Filed: May 28, 2020
    Publication date: September 17, 2020
    Applicant: ArcSoft Corporation Limited
    Inventors: Lin Naiyang, Xi Wenxing
  • Publication number: 20200296286
    Abstract: A method and an apparatus for focusing are provided. The method includes: determining a switch from a first imaging mode to a second imaging mode, wherein the first imaging mode and the second imaging mode have different exposures; making illumination adjustment to a first feature template of a target object in the first imaging mode according to first illumination information of the target object in the first imaging mode and second illumination information of the target object in the second imaging mode to obtain a second feature template; and searching for the target object according to the second feature template in the second imaging mode.
    Type: Application
    Filed: May 28, 2020
    Publication date: September 17, 2020
    Applicant: ArcSoft Corporation Limited
    Inventors: Lin Naiyang, Xi Wenxing
  • Patent number: 10764496
    Abstract: The present invention discloses a fast scan-type panoramic image synthesis method and device. The device includes: simultaneously acquiring two original images of the same angle of view, wherein one is an exposure-locked image and the other is a non-exposure-locked image; performing HDR processing on the two simultaneously acquired original images by using the exposure-locked image as a reference image to obtain an HDR processed outcome image; performing exposure compensation on the HDR processed outcome image of the current frame based on the temporary panoramic outcome image of the previous frame; and performing image fusion and synthesis according to the temporary panoramic outcome image of the previous frame and the exposure compensated HDR processed outcome image of the current frame to generate a new temporary panoramic outcome image of the current frame.
    Type: Grant
    Filed: March 15, 2019
    Date of Patent: September 1, 2020
    Assignee: ArcSoft Corporation Limited
    Inventor: Ping Chen
  • Patent number: 10726580
    Abstract: The present invention provides a method and device for calibration, applied to the field of image processing. The method comprises: obtaining a first two-dimensional image of a calibration object with a marking point and a first depth map of the calibration object, obtaining calibrated three-dimensional model data of the calibration object, determining a first three-dimensional marking point in the first depth map corresponding to the marking point based on the marking point in the first two-dimensional image, determining a second three-dimensional marking point in the three-dimensional model data of the calibration object corresponding to the marking point based on the marking point in the first two-dimensional image, and determining a first matrix. By adoption of the method mentioned above, when the device for photographing the three-dimensional image is calibrated, it is simple and feasible, and the operation difficulty is small.
    Type: Grant
    Filed: September 26, 2018
    Date of Patent: July 28, 2020
    Assignee: ArcSoft Corporation Limited
    Inventors: Wen Zhou, Wei Zhou, Long Zhang
  • Publication number: 20200218133
    Abstract: A method and an apparatus for focusing are disclosed. The apparatus includes: a determining module, configured to determine that an imaging mode switches from a first imaging mode to a second imaging mode; an image position estimating module, configured to estimate a position of an image of a target object on a picture taking device in the second imaging mode according to a position of an image of the target object on a picture taking device in the first imaging mode and a principle of epipolar geometry; and a searching module, configured to search for the image of the target object in the second imaging mode according to the estimated position of the image of the target object on the picture taking device in the second imaging mode.
    Type: Application
    Filed: March 13, 2020
    Publication date: July 9, 2020
    Applicant: ArcSoft Corporation Limited
    Inventors: Lin Naiyang, Xi Wenxing
  • Patent number: 10708499
    Abstract: The present invention provides a method and an apparatus for focusing, applied in image processing field, which includes determining that imaging mode switches from a first imaging mode to a second imaging mode, making luminance adjustment to a first feature template of target object in the first imaging mode to obtain a second feature template, searching for an image of the target object according to the second feature template in the second imaging mode. The method enables a terminal in an automatic focusing process to realize a function of constant automatic focusing, and to make user interaction decreases and focus on the target object in time, accurately and efficiently to output constant satisfactory images or videos.
    Type: Grant
    Filed: June 27, 2018
    Date of Patent: July 7, 2020
    Assignee: ArcSoft Corporation Limited
    Inventors: Lin Naiyang, Xi Wenxing
  • Patent number: D908125
    Type: Grant
    Filed: January 25, 2018
    Date of Patent: January 19, 2021
    Assignee: ArcSoft Corporation Limited
    Inventor: Xinwu Zheng