Patents by Inventor Qian Ma
Qian Ma 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).
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Patent number: 9943627Abstract: A method for using 3D printing technology produces personalized biomimetic drug-eluting coronary stent and the product thereof. The process of manufacturing stent, based on coronary angiography imaging data, measures the diameter of diseased coronary and conducts 3D reconstruction. A personalized stent for each patient according to diameter, length, and morphological characteristics of target vessel that suited to the lesion is produced. The coronary stent is formed from biodegradable poly-L-lactic acid (PLLA) or other materials. The stent is modeled by 3D printing and then coated with polymers carrying antiproliferative drug to reduce restenosis (the polymers is a mixture of antiproliferative drug and PDLLA at a ratio of 1:1).Type: GrantFiled: June 18, 2015Date of Patent: April 17, 2018Inventors: Yujie Zhou, Wei Sun, Qian Ma, Lei Zhang
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Patent number: 9926489Abstract: The present disclosure relates to a fluorescent powder and a light-emitting device including the same. The fluorescent powder includes an inorganic compound. The inorganic compound contains components including an element M, an element A, an element D, an element E, and an element R. The element M is selected from Eu, Ce, Mn, Tb, Dy, and Tm, the element A is selected from Mg, Ca, Sr, and Ba, the element D is selected from B, Al, Ga, In, La, Gd, Sc, Lu, and Y, the element E is selected from Si, Ge, Zr, and Hf, and the element R is at least two elements selected from N, O, F, and Cl. In a powder X-Ray Diffraction (XRD) spectrum with CoK? radiation, the inorganic compound at least has diffraction peaks within ranges of an Bragg angle (2?) from 27.3° to 28.3°, 29.7° to 30.7°, 41.9° to 42.9°, and 43.5° to 44.5°.Type: GrantFiled: June 20, 2014Date of Patent: March 27, 2018Assignees: GENERAL RESEARCH INSTITUTE FOR NONFERROUS METALS, GRIREM ADVANCED MATERIALS CO., LTD.Inventors: Ronghui Liu, Huibing Xu, Xiaofang Zhou, Chunlei Zhao, Qian Ma, Yuanhong Liu, Huaqiang He, Xiaowei Huang
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Publication number: 20180045938Abstract: An apparatus for compressive sensing may include a filter array, a detector, and a reconstruction engine. The filter array may be configured to generate a first illumination pattern in response to a first wavelength of light and a second illumination pattern in response to a second wavelength of light. The first illumination pattern and the second illumination pattern may be projected onto an object. The detector may be configured to determine a first intensity of a first light emitted by the object in response to the first illumination pattern and a second intensity of a second light emitted by the object in response to the second illumination pattern. The reconstruction engine may be configured to generate an image of the object based at least on the first intensity, the first illumination pattern, the second intensity, and the second illumination pattern.Type: ApplicationFiled: August 11, 2017Publication date: February 15, 2018Inventors: Zhaowei Liu, Eric Huang, Qian Ma
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Patent number: 9799117Abstract: A method for processing data and an apparatus thereof are provided. The method includes: projecting a first structure light and a second structure light onto a surface of a target object, wherein the first structure light is a stripe-structure light; capturing a first image comprising the target object; detecting first image information corresponding to the first structure light in the first image, wherein the first image information is stripe image information; detecting second image information corresponding to the second structure light in the first image; and obtaining a depth of the target object based on the first image information and the second image information.Type: GrantFiled: August 14, 2014Date of Patent: October 24, 2017Assignee: Lenovo (Beijing) Co., Ltd.Inventors: Ke Chen, Manjun Xiao, Wenjing Liu, Chen Yang, Rongyao Fu, Qian Ma
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Patent number: 9746317Abstract: Image processing method and device are provided. The method includes: controlling a projector to project multi-stripe structured light and dot structured light onto an object, to form multiple light stripes and light spots between the light stripes on the surface of the object; acquiring a target image of the object having the light stripes and the light spots on the surface; obtaining a reference image including the light stripes and the light spots; calculating a first depth value at each light stripe in the target image based on feature information of the light stripes in the reference image and target image; calculating a second depth value at each light spot in the target image based on feature information of the light spots in the reference image and target image; and generating a depth image of the target image based on the first depth value and the second depth value.Type: GrantFiled: March 30, 2014Date of Patent: August 29, 2017Assignees: Beijing Lenovo Software Ltd., Lenovo (Beijing) Co., Ltd.Inventors: Ke Chen, Manjun Xiao, Chen Yang, Rongyao Fu, Qian Ma
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Publication number: 20170091115Abstract: The invention provides a method and electronic device for a mapping table in a solid-state memory, wherein the mapping table comprises a primary mapping table and a secondary mapping table. The method comprises: mapping all logic pages from a host to physical pages of a flash on the solid-state memory in the unit of page to form the secondary mapping table, the secondary mapping table being stored in the flash on the solid-state memory; acquiring a first physical address which is the physical address of a first chunk of the secondary mapping table in the flash of the solid-state memory; and forming and storing the primary mapping table in the flash of the solid-state memory, wherein the first physical address and corresponding first identifying information form a mapping relationship in a mapping element of the primary mapping table, the first identifying information being identifying information of the first chunk.Type: ApplicationFiled: December 22, 2015Publication date: March 30, 2017Applicants: BEIJING LENOVO SOFTWARE LTD., LENOVO (BEIJING) LIMITEDInventors: Manjun XIAO, Wenjing LIU, Qian MA, Qingtao SUN
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Publication number: 20170031822Abstract: The present disclosure provides a control method and an electronic device. The electronic device detects and obtains operation parameters associated with a first operation on the electronic device; determines an operation type based on the operation parameter; and generates an adjustment scheme for a first cache region and/or a second cache region of a storage unit based on the operation type to adjust the first cache region and/or the second cache region, so as to change a ratio between their storage spaces.Type: ApplicationFiled: September 11, 2015Publication date: February 2, 2017Applicants: LENOVO (BEIJING) LIMITED, BEIJING LENOVO SOFTWARE LTD.Inventors: Qian MA, Chen YANG
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Publication number: 20170026277Abstract: Methods, apparatuses and systems for transmitting and receiving data based on multipath for transmitting data based on multipath include: establishing WiMAX connection-based multiple paths between a first device and a second device; transmitting data frames in a data queue in the multiple paths; obtaining the quality condition of the multiple paths; and based on the quality condition, adjusting the transmission of the data frames in the data queue in the multiple paths. According to one aspect, there is provided a method for receiving data based on multipath, which includes: establishing WiMAX connection-based multiple paths between a first device and a second device; receiving a plurality of data frames in the multiple paths; processing the received plurality of data frames based on quality condition of the multiple paths. There are further provided corresponding apparatuses and systems.Type: ApplicationFiled: October 7, 2016Publication date: January 26, 2017Inventors: Chang Jie Guo, Hongbin Lin, Qian Ma, Qing Wang, Su Su Xie, Lin Yang, Ji Zheng Zhang
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Patent number: 9503959Abstract: Methods, apparatuses and systems for transmitting and receiving data based on multipath for transmitting data based on multipath include: establishing WiMAX connection-based multiple paths between a first device and a second device; transmitting data frames in a data queue in the multiple paths; obtaining the quality condition of the multiple paths; and based on the quality condition, adjusting the transmission of the data frames in the data queue in the multiple paths. According to one aspect, there is provided a method for receiving data based on multipath, which includes: establishing WiMAX connection-based multiple paths between a first device and a second device; receiving a plurality of data frames in the multiple paths; processing the received plurality of data frames based on quality condition of the multiple paths. There are further provided corresponding apparatuses and systems.Type: GrantFiled: October 25, 2013Date of Patent: November 22, 2016Assignee: International Business Machines CorporationInventors: Chang Jie Guo, Hongbin Lin, Qian Ma, Qing Wang, Su Su Xie, Lin Yang, Ji Zheng Zhang
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Publication number: 20160309391Abstract: Methods, apparatuses and systems for transmitting and receiving data based on multipath for transmitting data based on multipath include: establishing WiMAX connection-based multiple paths between a first device and a second device; transmitting data frames in a data queue in the multiple paths; obtaining the quality condition of the multiple paths; and based on the quality condition, adjusting the transmission of the data frames in the data queue in the multiple paths. According to one aspect, there is provided a method for receiving data based on multipath, which includes: establishing WiMAX connection-based multiple paths between a first device and a second device; receiving a plurality of data frames in the multiple paths; processing the received plurality of data frames based on quality condition of the multiple paths. There are further provided corresponding apparatuses and systems.Type: ApplicationFiled: June 29, 2016Publication date: October 20, 2016Inventors: Chang Jie Guo, Hongbin Lin, Qian Ma, Qing Wang, Su Su Xie, Lin Yang, Ji Zheng Zhang
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Publication number: 20160256610Abstract: A method for using 3D printing technology produces personalized biomimetic drug-eluting coronary stent and the product thereof. The process of manufacturing stent, based on coronary angiography imaging data, measures the diameter of diseased coronary and conducts 3D reconstruction. A personalized stent for each patient according to diameter, length, and morphological characteristics of target vessel that suited to the lesion is produced. The coronary stent is formed from biodegradable poly-L-lactic acid (PLLA) or other materials. The stent is modeled by 3D printing and then coated with polymers carrying antiproliferative drug to reduce restenosis (the polymers is a mixture of antiproliferative drug and PDLLA at a ratio of 1:1).Type: ApplicationFiled: June 18, 2015Publication date: September 8, 2016Inventors: Yujie ZHOU, Wei SUN, Qian MA, Lei ZHANG
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Patent number: 9430715Abstract: Methods and systems for detection and removal of cast shadows from an image. In particular, one or more embodiments compute correspondences between image patches in the image using a grid-based patch-matching algorithm. One or more embodiments then train a regression model to detect shadows from the computed patch correspondences. One or more embodiments then segment the detected shadows into shadow regions and identify cast shadows from the shadow regions. Once the cast shadows are identified, one or more embodiments use patch-based synthesis of pixels guided by a direct inversion of the image. Optionally, one or more methods can use pixels from the synthesized image and the naïve inversion of the image, based on a synthesis confidence of each pixel, to produce a combined result.Type: GrantFiled: May 1, 2015Date of Patent: August 30, 2016Assignee: ADOBE SYSTEMS INCORPORATEDInventors: Jue Wang, Kalyan Sunkavalli, Li-Qian Ma, Elya Shechtman
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Patent number: 9420516Abstract: Methods, apparatuses and systems for transmitting and receiving data based on multipath for transmitting data based on multipath include: establishing WiMAX connection-based multiple paths between a first device and a second device; transmitting data frames in a data queue in the multiple paths; obtaining the quality condition of the multiple paths; and based on the quality condition, adjusting the transmission of the data frames in the data queue in the multiple paths. According to one aspect, there is provided a method for receiving data based on multipath, which includes: establishing WiMAX connection-based multiple paths between a first device and a second device; receiving a plurality of data frames in the multiple paths; processing the received plurality of data frames based on quality condition of the multiple paths. There are further provided corresponding apparatuses and systems.Type: GrantFiled: September 27, 2013Date of Patent: August 16, 2016Assignee: International Business Machines CorporationInventors: Chang Jie Guo, Hongbin Lin, Qian Ma, Qing Wang, Su Su Xie, Lin Yang, Ji Zheng Zhang
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Publication number: 20160145489Abstract: The present disclosure relates to a fluorescent powder and a light-emitting device including the same. The fluorescent powder includes an inorganic compound. The inorganic compound contains components including an element M, an element A, an element D, an element E, and an element R. The element M is selected from Eu, Ce, Mn, Tb, Dy, and Tm, the element A is selected from Mg, Ca, Sr, and Ba, the element D is selected from B, Al, Ga, In, La, Gd, Sc, Lu, and Y, the element E is selected from Si, Ge, Zr, and Hf, and the element R is at least two elements selected from N, O, F, and Cl. In a powder X-Ray Diffraction (XRD) spectrum with CoK? radiation, the inorganic compound at least has diffraction peaks within ranges of an Bragg angle (2?) from 27.3° to 28.3°, 29.7° to 30.7°, 41.9° to 42.9°, and 43.5° to 44.5°.Type: ApplicationFiled: June 20, 2014Publication date: May 26, 2016Applicant: General Research Institute for Nonferrous MetalsInventors: Ronghui Liu, Huibing Xu, Xiaofang Zhou, Chunlei Zhao, Qian Ma, Yuanhong Liu, Huaqiang He, Xiaowei Huang
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Patent number: 9286362Abstract: A metadata management system and method enables complex query searches by users, e.g., different users having different query needs, using the same infrastructure. For querying metadata, the metadata management system provides functionality for aggregating all the concepts (metadata items) and relationships of the metadata across one or more users in a common format; extracting concepts and storing them in a metadata store (e.g., a relational database); extracting relationships and modeling them in a standard semantic representation. The system and method further records users' different needs on relationships into user-specific configuration files. The system is configured for retrieving, in response to a user query, relevant data items by using the meta-data selectively. In one embodiment, a selection of meta-data used in the retrieving is determined according to captured context information.Type: GrantFiled: September 25, 2009Date of Patent: March 15, 2016Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Rohit M. Lotikar, Qian Ma, Daniel V. Oppenheim, Ramana V. Polavarapu, Krishna C. Ratakonda, Biplav Srivastava
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Patent number: 9220094Abstract: A method for selecting a channel for an access point (AP) in a Wireless Local Area Network (WLAN). The method includes the AP receiving network conditions of APs within the sensing range of a terminal sent by the terminal, and the AP selecting a channel based on the received network conditions. By forwarding the network conditions of other APs which can be detected by the terminal, the method of the present invention enables an AP to select a channel from the view of a terminal to avoid conflicts at the terminal, thereby improving the available bandwidth of the terminal, and giving a better experience to users.Type: GrantFiled: October 16, 2013Date of Patent: December 22, 2015Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Lin Chen, He Yuan Huang, Qian Ma, Yin Ben Xia, Yan Feng Zhu
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Patent number: 9111112Abstract: A computer apparatus and a control method for the ODD are disclosed. The control method includes: providing a user setting interface by the computer apparatus when the computer apparatus is in a user mode; receiving a user instruction through the user setting interface so as to start or close an ODD safety protection mode; and deciding whether or not a position state of a tray of the ODD can be changed according to that whether or not the ODD safety protection mode is started and whether or not the computer apparatus is in the user mode.Type: GrantFiled: January 14, 2014Date of Patent: August 18, 2015Assignee: Wistron CorporationInventors: Wei-Wei Liu, Qian Ma
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Patent number: 9032507Abstract: An access request authentication method, an authorization information generation method, an access request authentication system, and a hardware device. The access request authentication method includes: obtaining the current clock information; receiving a first access request, where the first access request includes a first input code; and determining whether to authorize the first access request based on the current clock information and the first input code.Type: GrantFiled: February 27, 2013Date of Patent: May 12, 2015Assignee: International Business Machines CorporationInventors: Chang Jie Guo, Hongbin Lin, Peng Ji, Feng Li, Qian Ma, Lin Yang, Yu Zhang
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Publication number: 20150092049Abstract: Image processing method and device are provided. The method includes: controlling a projector to project multi-stripe structured light and dot structured light onto an object, to form multiple light stripes and light spots between the light stripes on the surface of the object; acquiring a target image of the object having the light stripes and the light spots on the surface; obtaining a reference image including the light stripes and the light spots; calculating a first depth value at each light stripe in the target image based on feature information of the light stripes in the reference image and target image; calculating a second depth value at each light spot in the target image based on feature information of the light spots in the reference image and target image; and generating a depth image of the target image based on the first depth value and the second depth value.Type: ApplicationFiled: March 30, 2014Publication date: April 2, 2015Applicants: Lenovo (Beijing) Co., Ltd., Beijing Lenovo Software Ltd.Inventors: Ke Chen, Manjun Xiao, Chen Yang, Rongyao Fu, Qian Ma
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Publication number: 20150092016Abstract: A method for processing data and an apparatus thereof are provided. The method includes: projecting a first structure light and a second structure light onto a surface of a target object, wherein the first structure light is a stripe-structure light; capturing a first image comprising the target object; detecting first image information corresponding to the first structure light in the first image, wherein the first image information is stripe image information; detecting second image information corresponding to the second structure light in the first image; and obtaining a depth of the target object based on the first image information and the second image information.Type: ApplicationFiled: August 14, 2014Publication date: April 2, 2015Inventors: Ke Chen, Manjun Xiao, Wenjing Liu, Chen Yang, Rongyao Fu, Qian Ma