Patents by Inventor Ruihan Wu

Ruihan Wu 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: 11953313
    Abstract: Provided is a three-dimensional measurement device, including an illumination system (I) and an imaging system (II). The illumination system includes, along an illumination light path, a light source (8), a light beam shaping apparatus (8), a pattern modulation apparatus (6), and a projection lens (2). The pattern modulation apparatus is configured to form a coded pattern. The light beam shaping apparatus is configured to shape light emitted by the light source into near-parallel light. The projection lens is configured to project the coded pattern onto a target object. The imaging system includes an imaging lens (3), a first beam-splitting system (12, 13), and an image sensor group including N image sensors (9, 10, 11). The first beam-splitting system is configured to transmit the coded pattern received by the imaging lens and projected onto the target object to the N image sensors of the image sensor group.
    Type: Grant
    Filed: May 4, 2021
    Date of Patent: April 9, 2024
    Assignee: CHENGDU PIN TAI DING FENG BUSINESS ADMINISTRATION
    Inventors: Qianwen Xiang, Wanjia Ao, Youmin Zhuang, Ruojia Wang, Zixin Xie, Mintong Wu, Ruihan Zhang
  • Publication number: 20240104681
    Abstract: A method performed by at least one processing device in an illustrative embodiment comprises applying a first image and a message to an encoder of a steganographic encoder-decoder neural network, generating in the encoder, based at least in part on the first image and the message, a perturbed image containing the message, decoding the perturbed image in a decoder of the steganographic encoder-decoder neural network, and providing information characterizing the decoded perturbed image to the encoder. The generating, decoding and providing are iteratively repeated, with different perturbations being determined in the encoder as a function of respective different instances of the provided information, until the decoded perturbed image meets one or more specified criteria relative to the message. The perturbed image corresponding to the decoded perturbed image that meets the one or more specified criteria relative to the message is output as a steganographic image containing the message.
    Type: Application
    Filed: May 16, 2022
    Publication date: March 28, 2024
    Inventors: Varsha Kishore, Kilian Weinberger, Xiangyu Chen, Boyi Li, Yan Wang, Ruihan Wu
  • Publication number: 20220173340
    Abstract: An organic single-crystalline heterojunction composite film is provided. The organic single-crystalline heterojunction composite film comprises at least one organic single-crystalline efficiently coupled unit. The organic single-crystalline efficiently coupled unit constructed by two organic single-crystalline thin films laminated together, with highly efficient lamination. The organic single-crystalline heterojunction composite film of the present disclosure has multiple advantages, such as highly ordered molecular arrangement, few defects, long exciton diffusion length, and excellent charge carrier transportation in the single-crystalline layer, moreover, integration of optoelectronic function and flexibility could be realized. The preparation method of organic single-crystalline heterojunction composite film is also provided.
    Type: Application
    Filed: November 23, 2021
    Publication date: June 2, 2022
    Inventors: Hanying Li, Ruihan Wu
  • Publication number: 20220093884
    Abstract: An organic single-crystalline semiconductor structure is provided. The organic single-crystalline semiconductor structure composes substrate, growth-assisted layer, electrodes, organic single-crystalline semiconductor layer. The growth-assisted layer deposited on the substrate from bottom to top. The organic single-crystalline semiconductor layer is defined as the organic semiconductor single-crystal thin film which basically maintained its original morphology after crossing the electrodes. The organic single-crystalline semiconductor thin film could realize full-covering over the arbitrary-shaped or arbitrary-sized bottom-contacted substrates, and the nearly ideal morphology on industrialized scale could be achieved. This organic single-crystalline semiconductor structure could be applied as key part in organic field-effect transistor, in order to realized fast transportation of charge carriers.
    Type: Application
    Filed: June 25, 2021
    Publication date: March 24, 2022
    Inventors: Hanying Li, Ruihan Wu