Patents by Inventor Jiali Li

Jiali Li 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: 20200058270
    Abstract: Embodiments of this application provide a bullet screen display method and an electronic device, and relate to the field of multimedia technologies, to resolve a prior-art problem that bullet screen content causes interference to a user, thereby improving user experience. The method includes: determining an object display area based on a target display object in a display image, where the target display object is located in the object display area; determining a bullet screen display area based on the object display area, where the bullet screen display area and the object display area have no intersection; and displaying bullet screen content in the bullet screen display area.
    Type: Application
    Filed: October 25, 2019
    Publication date: February 20, 2020
    Inventors: Rui LI, Ze ZHOU, Xueyan HUANG, Jiali FU
  • Publication number: 20190379838
    Abstract: Embodiments of the present invention relate to the communications field, and disclose a preview-image display method and a terminal device. obtain, by a terminal device, a first preview image during photographing, where the first preview image is a preview image that is of a current photographing screen and that is in a first photographing mode; determine a second photographing mode; obtain a second preview image, where the second preview image is a preview image that is of the current photographing screen and that is in the second photographing mode; determine a first part of the first preview image and a second part of the second preview image according to a preset rule; and display the first part of the first preview image and the second part of the second preview image in a preview area.
    Type: Application
    Filed: August 23, 2019
    Publication date: December 12, 2019
    Inventors: Huali WANG, Lina TAO, Duan LI, Xueyan HUANG, Tizheng WANG, Hongkai ZHOU, Jiali FU
  • Publication number: 20190122546
    Abstract: Embodiments of the disclosure provide methods and systems for adjusting road conditions. The system includes a communication interface configured to receive driving information indicative of vehicle driving records on a road. The road includes first and second direction lanes. The system includes a storage configured to store preset parameters. The system includes a processor configured to divide the road into road segments and determine a first traffic congestion index and a second traffic congestion index for the first direction lane and the second direction lane, respectively, based on the driving information associated with each road segment and the preset parameters. The processor is configured to determine a directional imbalance index for the road based on the first and second traffic congestion indices. The processor is configured to provide an instruction to adjust the first direction lane and/or the second direction lane of the road based on the directional imbalance index.
    Type: Application
    Filed: December 14, 2018
    Publication date: April 25, 2019
    Applicant: BEIJING DIDI INFINITY TECHNOLOGY AND DEVELOPMENT CO., LTD.
    Inventors: Dong LU, Jiali LI
  • Publication number: 20190007687
    Abstract: A decoding method includes: decoding from the video bitstream a prediction status parameter indicative of whether SOP is enabled; if the SOP is enabled, determining a SOP type indicative of a specific operation for predicting a current picture of the video bitstream; and determining a predicted picture by applying the specific operation to at least one of a reference picture for the current picture and the current picture, in which the specific operation includes at least one of rotation and zoom. An encoding method includes: if SOP is enabled, determining SOP data indicative of a specific operation for predicting a current picture of a video sequence; determining a predicted picture by applying the specific operation to at least one of a reference picture for the current picture and the current picture, in which the specific operation includes at least one of rotation and zoom; and encoding the SOP data.
    Type: Application
    Filed: June 28, 2017
    Publication date: January 3, 2019
    Inventors: Jiali Li, Jian Lou, Zhenyong Chen, Zhonghou Zheng, Wei Dai, Qianzong Chen
  • Patent number: 10037670
    Abstract: Systems and methods of a safety belt to be worn by individuals in the course of physical activities such as walking, running, biking, etc. Safety belts of the inventive subject matter include one or more sensors that are used to develop a kinematic status of the individual wearing the safety belt. Kinematic status information can be broadcast out wirelessly, and it can be used to determine whether to generate an alert. Some embodiments of the safety belt can detect the presence of a hazard in the vicinity of an individual wearing the safety belt.
    Type: Grant
    Filed: October 19, 2016
    Date of Patent: July 31, 2018
    Inventors: Michelle Jing Lin, Eric Xin Lin, Haitao Lin, Jiali Li
  • Publication number: 20180014010
    Abstract: System and methods of managing reference frame adaptively for video communication under a network are provided. For connection process, based on the network types of all clients and network conditions the system adaptively decides the interval between each I frame, the bitrate of the encoded bit steams, and the resolution of the encoded video to achieve quick connection. Based on the feedback of other clients and network conditions, the system may decide to re-enter the connection stage.
    Type: Application
    Filed: March 2, 2017
    Publication date: January 11, 2018
    Inventors: Wei Dai, Zesen Zhuang, Jian Lou, Qianzong Chen, Jiali Li
  • Publication number: 20170109992
    Abstract: Systems and methods of a safety belt to be worn by individuals in the course of physical activities such as walking, running, biking, etc. Safety belts of the inventive subject matter include one or more sensors that are used to develop a kinematic status of the individual wearing the safety belt. Kinematic status information can be broadcast out wirelessly, and it can be used to determine whether to generate an alert. Some embodiments of the safety belt can detect the presence of a hazard in the vicinity of an individual wearing the safety belt.
    Type: Application
    Filed: October 19, 2016
    Publication date: April 20, 2017
    Inventors: Michelle Jing LIN, Eric Xin LIN, Haitao LIN, Jiali LI
  • Patent number: 9330672
    Abstract: A frame loss compensation method and apparatus for audio signals are disclosed. The method includes: when a first frame immediately following a correctly received frame is lost, judging a frame type of the first lost frame, and when the first lost frame is a non-multi-harmonic frame, calculating MDCT coefficients of the first lost frame by using MDCT coefficients of one or more frames prior to the first lost frame; obtaining an initially compensated signal of the first lost frame according to the MDCT coefficients of the first lost frame; and performing a first class of waveform adjustment on the initially compensated signal of the first lost frame and taking an adjusted time-domain signal as a time-domain signal of the first lost frame. The apparatus includes a frame type judgment module, an MDCT coefficient acquisition module, an initial compensation signal acquisition module and an adjustment module.
    Type: Grant
    Filed: September 29, 2012
    Date of Patent: May 3, 2016
    Assignee: ZTE Corporation
    Inventors: Xu Guan, Hao Yuan, Ke Peng, Jiali Li
  • Patent number: 9015052
    Abstract: The audio coding method and system of lattice vector quantization is provided in the invention. The method comprises: dividing frequency domain coefficients of an audio signal for which a modified discrete cosine transform (MDCT) has been performed into a plurality of coding sub-bands, and quantizing and coding an amplitude envelope value of each coding sub-band to obtain coded bits of amplitude envelopes; performing bit allocation on each coding sub-band, and performing normalization, quantization and coding respectively on vectors in a low bit coding sub-band with pyramid lattice vector quantization and on vectors in a high bit coding sub-band with sphere lattice vector quantization to obtain coded bits of the frequency domain coefficients; multiplexing and packing the coded bits of the amplitude envelope and the coded bits of the frequency domain coefficients of each coding sub-band, then sending them to a decoding side.
    Type: Grant
    Filed: October 12, 2010
    Date of Patent: April 21, 2015
    Assignee: ZTE Corporation
    Inventors: Zhibin Lin, Guoming Chen, Zheng Deng, Hao Yuan, Jiali Li, Ke Peng, Kaiwen Liu
  • Patent number: 8969091
    Abstract: The invention features methods for evaluating the conformation of a polymer, for example, for determining the conformational distribution of a plurality of polymers and to detect binding or denaturation events. The methods employ a nanopore which the polymer, e.g., a nucleic acid, traverses. As the polymer traverses the nanopore, measurements of transport properties of the nanopore yield data on the conformation of the polymer.
    Type: Grant
    Filed: February 13, 2013
    Date of Patent: March 3, 2015
    Assignee: President and Fellows of Harvard College
    Inventors: Jene A. Golovchenko, Jiali Li, Derek Stein, Marc H. Gershow
  • Publication number: 20140337039
    Abstract: A frame loss compensation method and apparatus for audio signals are disclosed. The method includes: when a first frame immediately following a correctly received frame is lost, judging a frame type of the first lost frame, and when the first lost frame is a non-multi-harmonic frame, calculating MDCT coefficients of the first lost frame by using MDCT coefficients of one or more frames prior to the first lost frame; obtaining an initially compensated signal of the first lost frame according to the MDCT coefficients of the first lost frame; and performing a first class of waveform adjustment on the initially compensated signal of the first lost frame and taking an adjusted time-domain signal as a time-domain signal of the first lost frame. The apparatus includes a frame type judgment module, an MDCT coefficient acquisition module, an initial compensation signal acquisition module and an adjustment module.
    Type: Application
    Filed: September 29, 2012
    Publication date: November 13, 2014
    Applicant: ZTE Corporation
    Inventors: Xu Guan, Hao Yuan, Ke Peng, Jiali Li
  • Patent number: 8874450
    Abstract: Hierarchical audio coding and decoding method and system and hierarchical audio coding and decoding method for transient signals are provided. In the present invention, by introducing a processing method for transient signal frames in the hierarchical audio coding and decoding methods, a segmented time-frequency transform is performed on the transient signal frames, and then the frequency-domain coefficients obtained by transformation are rearranged respectively within the core layer and within the extended layer, so as to perform the same subsequent coding processes, such as bit allocation, frequency-domain coefficient coding, etc., as those on the steady-state signal frames, thus enhancing the coding efficiency of the transient signal frames and improving the quality of the hierarchical audio coding and decoding.
    Type: Grant
    Filed: January 12, 2011
    Date of Patent: October 28, 2014
    Assignee: ZTE Corporation
    Inventors: Ke Peng, Guoming Chen, Hao Yuan, Dongping Jiang, Jiali Li
  • Patent number: 8795672
    Abstract: Provided is a cancer therapeutic agent comprising a cancer targeting molecule linked to a liver-expressed chemokine (LEC). In one embodiment, the cancer targeting molecule is an antibody that targets cancer cells or tumors in vivo. The cancer targeting molecule is associated non-covalently or covalently with LEC. The cancer therapeutic agents of the invention are useful for the treatment of cancer in an individual by reducing the size of a tumor or inhibiting the growth of cancer cells in an individual and/or by inhibiting the development of metastasis. The effectiveness of the therapy using the LEC cancer therapeutic agents can be increased by reducing the activity of immunoregulatory T cells and/or by adoptively transferring immune T cells.
    Type: Grant
    Filed: February 13, 2004
    Date of Patent: August 5, 2014
    Assignee: University of Southern California
    Inventors: Alan L. Epstein, Jiali Li, Peisheng Hu
  • Patent number: 8731910
    Abstract: The invention provides a compensation method for audio frame loss in a MDCT domain, the method comprising: when a frame currently lost is a Pth frame, obtaining a set of frequencies to be predicted, and for each frequency in the set, using phases and amplitudes of a plurality of frames before a (P?1)th frame in a MDCT-MDST domain to predict a phase and an amplitude of the Pth frame, and using the predicted phase and amplitude to obtain a MDCT coefficient of the Pth frame at each corresponding frequency; for a frequency outside the set, using MDCT coefficients of a plurality of frames before the Pth frame to calculate a MDCT coefficient value of the Pth frame at the frequency; performing an IMDCT for the MDCT coefficients of the Pth frame to obtain a time domain signal of the Pth frame.
    Type: Grant
    Filed: February 25, 2010
    Date of Patent: May 20, 2014
    Assignee: ZTE Corporation
    Inventors: Ming Wu, Zhibin Lin, Ke Peng, Zheng Deng, Jing Lu, Xiaojun Qiu, Jiali Li, Guoming Chen, Hao Yuan, Kaiwen Liu
  • Patent number: 8731949
    Abstract: The present invention relates to a method and system for audio encoding and decoding and a method for estimating a noise level, and the method for estimating a noise level in the present invention comprises: estimating a power spectrum of an audio signal to be encoded according to a frequency domain coefficient of the audio signal to be encoded; and estimating a noise level of a zero bit encoding subband audio signal according to the power spectrum obtained by calculating, and this noise level for controlling an energy proportion of noise filling to spectral band replication during decoding; wherein a zero bit encoding subband refers to an encoding subband of which allocated bit number is zero. The present invention can well reconstruct the uncoded frequency domain coefficients.
    Type: Grant
    Filed: June 30, 2011
    Date of Patent: May 20, 2014
    Assignee: ZTE Corporation
    Inventors: Dongping Jiang, Hao Yuan, Ke Peng, Guoming Chen, Jiali Li
  • Publication number: 20140099305
    Abstract: Provided is a cancer therapeutic agent comprising a cancer targeting molecule linked to a liver-expressed chemokine (LEC). In one embodiment, the cancer targeting molecule is an antibody that targets cancer cells or tumors in vivo. The cancer targeting molecule is associated non-covalently or covalently with LEC. The cancer therapeutic agents of the invention are useful for the treatment of cancer in an individual by reducing the size of a tumor or inhibiting the growth of cancer cells in an individual and/or by inhibiting the development of metastasis. The effectiveness of the therapy using the LEC cancer therapeutic agents can be increased by reducing the activity of immunoregulatory T cells and/or by adoptively transferring immune T cells.
    Type: Application
    Filed: April 18, 2013
    Publication date: April 10, 2014
    Applicant: UNIVERSITY OF SOUTHERN CALIFORNIA
    Inventors: Alan L. Epstein, Jiali Li, Peisheng Hu
  • Patent number: 8694325
    Abstract: A hierarchical audio coding, decoding method and system are provided. The method includes dividing frequency domain coefficients of an audio signal after MDCT into a plurality of coding sub-bands, quantizing and coding amplitude envelope values of coding sub-bands; allocating bits to each coding sub-band of the core layer, quantizing and coding core layer frequency domain coefficients to obtain coded bits of core layer frequency domain coefficients; calculating the amplitude envelope value of each coding sub-band of the core layer residual signal; allocating bits to each coding sub-band of the extended layer, quantizing and coding the extended layer coding signal to obtain coded bits of the extended layer coding signal; multiplexing and packing amplitude value envelope coded bits of each coding sub-band composed by core layer and extended layer frequency domain coefficients, core layer frequency coefficients coded bits, and extended layer coding signal coded bits, then transmitting to the decoding end.
    Type: Grant
    Filed: October 26, 2010
    Date of Patent: April 8, 2014
    Assignee: ZTE Corporation
    Inventors: Zhibin Lin, Zheng Deng, Hao Yuan, Jing Lu, Xiaojun Qiu, Jiali Li, Guoming Chen, Ke Peng, Kaiwen Liu
  • Patent number: 8545838
    Abstract: Provided is a cancer therapeutic agent comprising a cancer targeting molecule linked to a liver-expressed chemokine (LEC). In one embodiment, the cancer targeting molecule is an antibody that targets cancer cells or tumors in vivo. The cancer targeting molecule is associated non-covalently or covalently with LEC. The cancer therapeutic agents of the invention are useful for the treatment of cancer in an individual by reducing the size of a tumor or inhibiting the growth of cancer cells in an individual and/or by inhibiting the development of metastasis. The effectiveness of the therapy using the LEC cancer therapeutic agents can be increased by reducing the activity of immunoregulatory T cells and/or by adoptively transferring immune T cells.
    Type: Grant
    Filed: February 13, 2007
    Date of Patent: October 1, 2013
    Assignee: University of Southern California
    Inventors: Alan L. Epstein, Jiali Li, Peisheng Hu
  • Patent number: 8394640
    Abstract: The invention features methods for evaluating the conformation of a polymer, for example, for determining the conformational distribution of a plurality of polymers and to detect binding or denaturation events. The methods employ a nanopore which the polymer, e.g., a nucleic acid, traverses. As the polymer traverses the nanopore, measurements of transport properties of the nanopore yield data on the conformation of the polymer.
    Type: Grant
    Filed: December 6, 2010
    Date of Patent: March 12, 2013
    Assignee: President and Fellows of Harvard College
    Inventors: Jene A. Golovchenko, Jiali Li, Derek Stein, Marc H. Gershow
  • Publication number: 20130006644
    Abstract: The present invention relates to a method and device for spectral band replication, and a method and system for audio decoding, and the method for spectral band replication comprises: A. searching for the position of a certain tone of an audio signal in MDCT frequency domain coefficients; B. according to the tone position, determining a spectral band replication period which is a bandwidth from a 0 frequency point to a frequency point of tone position, and a source frequency segment which is a frequency segment from a frequency point of the 0 frequency point shifting copyband_offset frequency points backwards to a frequency point of the frequency point of the tone position shifting the copyband_offset frequency points backwards, wherein said offset copyband_offset is greater than or equal to 0; and C. according to the spectral band replication period, carrying out spectral band replication on zero bit encoding subbands.
    Type: Application
    Filed: June 30, 2011
    Publication date: January 3, 2013
    Applicant: ZTE CORPORATION
    Inventors: Dongping Jiang, Hao Yuan, Guoming Chen, Ke Peng, Jiali Li