Patents by Inventor Zhengbing Bian
Zhengbing Bian 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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Publication number: 20230385668Abstract: Computational systems implement problem solving using hybrid digital/quantum computing approaches. A problem may be represented as a problem graph which is larger and/or has higher connectivity than a working and/or hardware graph of a quantum processor. A quantum processor may be used determine approximate solutions, which solutions are provided as initial states to one or more digital processors which may implement classical post-processing to generate improved solutions. Techniques for solving problems on extended, more-connected, and/or “virtual full yield” variations of the processor's actual working and/or hardware graphs are provided. A method of operation in a computational system comprising a quantum processor includes partitioning a problem graph into sub-problem graphs, and embedding a sub-problem graph onto the working graph of the quantum processor. The quantum processor and a non-quantum processor-based device generate partial samples.Type: ApplicationFiled: May 31, 2023Publication date: November 30, 2023Inventors: Murray C. Thom, Aidan P. Roy, Fabian A. Chudak, Zhengbing Bian, William G. Macready, Robert B. Israel, Kelly T. R. Boothby, Sheir Yarkoni, Yanbo Xue, Dmytro Korenkevych
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Patent number: 11704586Abstract: Computational systems implement problem solving using hybrid digital/quantum computing approaches. A problem may be represented as a problem graph which is larger and/or has higher connectivity than a working and/or hardware graph of a quantum processor. A quantum processor may be used determine approximate solutions, which solutions are provided as initial states to one or more digital processors which may implement classical post-processing to generate improved solutions. Techniques for solving problems on extended, more-connected, and/or “virtual full yield” variations of the processor's actual working and/or hardware graphs are provided. A method of operation in a computational system comprising a quantum processor includes partitioning a problem graph into sub-problem graphs, and embedding a sub-problem graph onto the working graph of the quantum processor. The quantum processor and a non-quantum processor-based device generate partial samples.Type: GrantFiled: May 9, 2022Date of Patent: July 18, 2023Assignee: D-WAVE SYSTEMS INC.Inventors: Murray C. Thom, Aidan P. Roy, Fabian A. Chudak, Zhengbing Bian, William G. Macready, Robert B. Israel, Kelly T. R. Boothby, Sheir Yarkoni, Yanbo Xue, Dmytro Korenkevych
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Patent number: 11625612Abstract: The domain adaptation problem is addressed by using the predictions of a trained model over both source and target domain to retain the model with the assistance of an auxiliary model and a modified objective function. Inaccuracy in the model's predictions in the target domain is treated as noise and is reduced by using a robust learning framework during retraining, enabling unsupervised training in the target domain. Applications include object detection models, where noise in retraining is reduced by explicitly representing label noise and geometry noise in the objective function and using the ancillary model to inject information about label noise.Type: GrantFiled: January 31, 2020Date of Patent: April 11, 2023Assignee: D-WAVE SYSTEMS INC.Inventors: Arash Vahdat, Mani Ranjbar, Mehran Khodabandeh, William G. Macready, Zhengbing Bian
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Publication number: 20220335320Abstract: Computational systems implement problem solving using hybrid digital/quantum computing approaches. A problem may be represented as a problem graph which is larger and/or has higher connectivity than a working and/or hardware graph of a quantum processor. A quantum processor may be used determine approximate solutions, which solutions are provided as initial states to one or more digital processors which may implement classical post-processing to generate improved solutions. Techniques for solving problems on extended, more-connected, and/or “virtual full yield” variations of the processor's actual working and/or hardware graphs are provided. A method of operation in a computational system comprising a quantum processor includes partitioning a problem graph into sub-problem graphs, and embedding a sub-problem graph onto the working graph of the quantum processor. The quantum processor and a non-quantum processor-based device generate partial samples.Type: ApplicationFiled: May 9, 2022Publication date: October 20, 2022Inventors: Murray C. Thom, Aidan P. Roy, Fabian A. Chudak, Zhengbing Bian, William G. Macready, Robert B. Israel, Kelly T. R. Boothby, Sheir Yarkoni, Yanbo Xue, Dmytro Korenkevych
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Patent number: 11348026Abstract: Computational systems implement problem solving using hybrid digital/quantum computing approaches. A problem may be represented as a problem graph which is larger and/or has higher connectivity than a working and/or hardware graph of a quantum processor. A quantum processor may be used determine approximate solutions, which solutions are provided as initial states to one or more digital processors which may implement classical post-processing to generate improved solutions. Techniques for solving problems on extended, more-connected, and/or “virtual full yield” variations of the processor's actual working and/or hardware graphs are provided. A method of operation in a computational system comprising a quantum processor includes partitioning a problem graph into sub-problem graphs, and embedding a sub-problem graph onto the working graph of the quantum processor. The quantum processor and a non-quantum processor-based device generate partial samples.Type: GrantFiled: January 31, 2020Date of Patent: May 31, 2022Assignee: D-WAVE SYSTEMS INC.Inventors: Murray C. Thom, Aidan P. Roy, Fabian A. Chudak, Zhengbing Bian, William G. Macready, Robert B. Israel, Kelly T. R. Boothby, Sheir Yarkoni, Yanbo Xue, Dmytro Korenkevych
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Publication number: 20210365826Abstract: A computational system can include digital circuitry and analog circuitry, for instance a digital processor and a quantum processor. The quantum processor can operate as a sample generator providing samples. Samples can be employed by the digital processing in implementing various machine learning techniques. For example, the computational system can perform unsupervised learning over an input space, for example via a discrete variational auto-encoder, and attempting to maximize the log-likelihood of an observed dataset. Maximizing the log-likelihood of the observed dataset can include generating a hierarchical approximating posterior. Unsupervised learning can include generating samples of a prior distribution using the quantum processor. Generating samples using the quantum processor can include forming chains of qubits and representing discrete variables by chains.Type: ApplicationFiled: May 18, 2021Publication date: November 25, 2021Inventors: Jason Rolfe, William G. Macready, Zhengbing Bian, Fabian A. Chudak
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Patent number: 11042811Abstract: A computational system can include digital circuitry and analog circuitry, for instance a digital processor and a quantum processor. The quantum processor can operate as a sample generator providing samples. Samples can be employed by the digital processing in implementing various machine learning techniques. For example, the computational system can perform unsupervised learning over an input space, for example via a discrete variational auto-encoder, and attempting to maximize the log-likelihood of an observed dataset. Maximizing the log-likelihood of the observed dataset can include generating a hierarchical approximating posterior. Unsupervised learning can include generating samples of a prior distribution using the quantum processor. Generating samples using the quantum processor can include forming chains of qubits and representing discrete variables by chains.Type: GrantFiled: October 5, 2017Date of Patent: June 22, 2021Assignee: D-WAVE SYSTEMS INC.Inventors: Jason Rolfe, William G. Macready, Zhengbing Bian, Fabian A. Chudak
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Publication number: 20200257984Abstract: The domain adaptation problem is addressed by using the predictions of a trained model over both source and target domain to retain the model with the assistance of an auxiliary model and a modified objective function. Inaccuracy in the model's predictions in the target domain is treated as noise and is reduced by using a robust learning framework during retraining, enabling unsupervised training in the target domain. Applications include object detection models, where noise in retraining is reduced by explicitly representing label noise and geometry noise in the objective function and using the ancillary model to inject information about label noise.Type: ApplicationFiled: January 31, 2020Publication date: August 13, 2020Inventors: Arash Vahdat, Mani Ranjbar, Mehran Khodabandeh, William G. Macready, Zhengbing Bian
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Publication number: 20200167685Abstract: Computational systems implement problem solving using hybrid digital/quantum computing approaches. A problem may be represented as a problem graph which is larger and/or has higher connectivity than a working and/or hardware graph of a quantum processor. A quantum processor may be used determine approximate solutions, which solutions are provided as initial states to one or more digital processors which may implement classical post-processing to generate improved solutions. Techniques for solving problems on extended, more-connected, and/or “virtual full yield” variations of the processor's actual working and/or hardware graphs are provided. A method of operation in a computational system comprising a quantum processor includes partitioning a problem graph into sub-problem graphs, and embedding a sub-problem graph onto the working graph of the quantum processor. The quantum processor and a non-quantum processor-based device generate partial samples.Type: ApplicationFiled: January 31, 2020Publication date: May 28, 2020Inventors: Murray C. Thom, Aidan P. Roy, Fabian A. Chudak, Zhengbing Bian, William G. Macready, Robert B. Israel, Kelly T. R. Boothby, Sheir Yarkoni, Yanbo Xue, Dmytro Korenkevych
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Patent number: 10599988Abstract: Computational systems implement problem solving using hybrid digital/quantum computing approaches. A problem may be represented as a problem graph which is larger and/or has higher connectivity than a working and/or hardware graph of a quantum processor. A quantum processor may be used determine approximate solutions, which solutions are provided as initial states to one or more digital processors which may implement classical post-processing to generate improved solutions. Techniques for solving problems on extended, more-connected, and/or “virtual full yield” variations of the processor's actual working and/or hardware graphs are provided. A method of operation in a computational system comprising a quantum processor includes partitioning a problem graph into sub-problem graphs, and embedding a sub-problem graph onto the working graph of the quantum processor. The quantum processor and a non-quantum processor-based device generate partial samples.Type: GrantFiled: March 2, 2017Date of Patent: March 24, 2020Assignee: D-WAVE SYSTEMS INC.Inventors: Murray C. Thom, Aidan P. Roy, Fabian A. Chudak, Zhengbing Bian, William G. Macready, Robert B. Israel, Kelly T.R. Boothby, Sheir Yarkoni, Yanbo Xue, Dmytro Korenkevych
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Patent number: 10275422Abstract: Methods and systems represent constraint as an Ising model penalty function and a penalty gap associated therewith, the penalty gap separating a set of feasible solutions to the constraint from a set of infeasible solutions to the constraint; and determines the Ising model penalty function subject to the bounds on the programmable parameters imposed by the hardware limitations of the second processor, where the penalty gap exceeds a predetermined threshold greater than zero. Such may be employed to find quantum binary optimization problems and associated gap values employing a variety of techniques.Type: GrantFiled: March 27, 2015Date of Patent: April 30, 2019Assignee: D-WAVE SYSTEMS, INC.Inventors: Robert Israel, William G. Macready, Zhengbing Bian, Fabian Chudak, Mani Ranjbar
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Publication number: 20180365594Abstract: Generative learning by computational systems can be achieved by: forming a generative learning model comprising a constraint satisfaction problem (CSP) defined over Boolean-valued variables; describing the CSP in first-order logic which is ground to propositional satisfiability; translating the CSP to clausal form; and performing inference with at least one satisfiability (SAT) solver. A generative learning model can be formed, for example by performing perceptual recognition of a string comprising a plurality of characters, determining whether the string is syntactically valid according to a grammar, and determining whether the string is denotationally valid. Various types of processors and/or circuitry can implement such.Type: ApplicationFiled: January 27, 2017Publication date: December 20, 2018Inventors: William G. MACREADY, Fabian Ariel CHUDAK, Zhengbing BIAN
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Publication number: 20180101784Abstract: A computational system can include digital circuitry and analog circuitry, for instance a digital processor and a quantum processor. The quantum processor can operate as a sample generator providing samples. Samples can be employed by the digital processing in implementing various machine learning techniques. For example, the computational system can perform unsupervised learning over an input space, for example via a discrete variational auto-encoder, and attempting to maximize the log-likelihood of an observed dataset. Maximizing the log-likelihood of the observed dataset can include generating a hierarchical approximating posterior. Unsupervised learning can include generating samples of a prior distribution using the quantum processor. Generating samples using the quantum processor can include forming chains of qubits and representing discrete variables by chains.Type: ApplicationFiled: October 5, 2017Publication date: April 12, 2018Inventors: Jason Rolfe, William G. Macready, Zhengbing Bian, Fabian A. Chudak
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Publication number: 20170255629Abstract: Computational systems implement problem solving using hybrid digital/quantum computing approaches. A problem may be represented as a problem graph which is larger and/or has higher connectivity than a working and/or hardware graph of a quantum processor. A quantum processor may be used determine approximate solutions, which solutions are provided as initial states to one or more digital processors which may implement classical post-processing to generate improved solutions. Techniques for solving problems on extended, more-connected, and/or “virtual full yield” variations of the processor's actual working and/or hardware graphs are provided. A method of operation in a computational system comprising a quantum processor includes partitioning a problem graph into sub-problem graphs, and embedding a sub-problem graph onto the working graph of the quantum processor. The quantum processor and a non-quantum processor-based device generate partial samples.Type: ApplicationFiled: March 2, 2017Publication date: September 7, 2017Inventors: Murray C. Thom, Aidan P. Roy, Fabian A. Chudak, Zhengbing Bian, William G. Macready, Robert B. Israel, Tomas J. Boothby, Sheir Yarkoni, Yanbo Xue, Dmytro Korenkevych
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Publication number: 20150205759Abstract: Methods and systems represent constraint as an Ising model penalty function and a penalty gap associated therewith, the penalty gap separating a set of feasible solutions to the constraint from a set of infeasible solutions to the constraint; and determines the Ising model penalty function subject to the bounds on the programmable parameters imposed by the hardware limitations of the second processor, where the penalty gap exceeds a predetermined threshold greater than zero. Such may be employed to find quantum binary optimization problems and associated gap values employing a variety of techniques.Type: ApplicationFiled: March 27, 2015Publication date: July 23, 2015Inventors: Robert Israel, William G. Macready, Zhengbing Bian, Fabian Chudak, Mani Ranjbar