Patents by Inventor Pablo Navarrete Michelini

Pablo Navarrete Michelini 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: 20190138838
    Abstract: There are provided an image processing method and an image processing device. The image processing method comprises: acquiring an input image; acquiring a first noise image and a second noise image; executing image conversion processing on the input image with the first noise image using a generative neural network, to acquire a first output image; and executing high resolution conversion processing on the first output image with the second noise image using a super-resolution neural network, to acquire a second output image, wherein the first noise image is different from the second noise image.
    Type: Application
    Filed: March 27, 2018
    Publication date: May 9, 2019
    Inventors: Hanwen Liu, Pablo Navarrete Michelini
  • Publication number: 20190139204
    Abstract: A method for adjusting grayscale values of an image includes: for each pixel in the image, calculating a first mapping value for a grayscale value of the pixel in the image through a histogram equalization mapping function; calculating a second mapping value by subtracting a first preset value from the grayscale value of the pixel through the histogram equalization mapping function, and when the result exceeds a preset grayscale range, selecting a minimum value of the preset grayscale range for calculating the second mapping value; calculating a third mapping value by adding a second preset value to the grayscale value of the pixel through the histogram equalization mapping function and when the result exceeds the preset grayscale range, selecting a maximum value of the preset grayscale range; and calculating an output grayscale value of the pixel based on the first, second, and third mapping value and respective weights.
    Type: Application
    Filed: June 20, 2017
    Publication date: May 9, 2019
    Inventors: Pablo NAVARRETE MICHELINI, Han YAN, Ran DUAN
  • Patent number: 10255798
    Abstract: A drowning alarm system and a drowning alarm method. The drowning alarm system includes a submerging detection device, a position detection device and a signal transmitting device. The submerging detection device configured to detect whether or not the submerging detection device is submerged, and generate a submerging alarm instruction when the submerging detection device is submerged. The position detection device configured to determine whether or not the submerging detection device is within a preset range, and generate a distance information instruction when the submerging detection device is within the preset range. The signal transmitting device configured to transmit a first alarm signal when the submerging detection device generates the submerging alarm instruction and the position detection device generates the distance information instruction. The drowning alarming system with false alarm prevention function is realized.
    Type: Grant
    Filed: November 7, 2017
    Date of Patent: April 9, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaoyu Li, Lihua Geng, Han Yan, Pablo Navarrete Michelini
  • Patent number: 10230902
    Abstract: The present disclosure provides a method and device for correcting video flicker. The method comprises: performing statistics on grayscale values of a previous frame of video image to obtain a histogram of the grayscale values of the previous frame of video image; determining correction weights for correcting grayscale values of a next frame of video image according to the histogram; and correcting the grayscale values of the next frame of video image according to the correction weights.
    Type: Grant
    Filed: March 22, 2017
    Date of Patent: March 12, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Han Yan, Pablo Navarrete Michelini
  • Patent number: 10217199
    Abstract: A system for dynamic range expansion of digital images includes: an optimizing device configured to calculate and store the output histogram of the previous frame of image data, calculate and obtain the mapping function according to the output histogram of the previous frame of image data and obtain the mapping table of the previous frame of image data according to the mapping function; and a mapping device configured to receive a next frame of image data and process the next frame of image data with the mapping table of the previous frame of image data to generate the enhanced image data. The present system enables processing ultrahigh definition images with very low requirements on hardware requirement. There is further provided a method and a non-volatile storage medium for dynamic range expansion of digital images.
    Type: Grant
    Filed: July 12, 2017
    Date of Patent: February 26, 2019
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Pablo Navarrete Michelini, Han Yan, Ran Duan
  • Publication number: 20190012772
    Abstract: A system for dynamic range expansion of digital images includes: an optimizing device configured to calculate and store the output histogram of the previous frame of image data, calculate and obtain the mapping function according to the output histogram of the previous frame of image data and obtain the mapping table of the previous frame of image data according to the mapping function; and a mapping device configured to receive a next frame of image data and process the next frame of image data with the mapping table of the previous frame of image data to generate the enhanced image data. The present system enables processing ultrahigh definition images with very low requirements on hardware requirement. There is further provided a method and a non-volatile storage medium for dynamic range expansion of digital images.
    Type: Application
    Filed: July 12, 2017
    Publication date: January 10, 2019
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Pablo Navarrete Michelini, Han Yan, Ran Duan
  • Publication number: 20190014320
    Abstract: Provided are an image encoding apparatus, an image decoding apparatus, an image processing system including the image encoding/decoding apparatus, a training method for the image processing system and a display apparatus.
    Type: Application
    Filed: June 27, 2017
    Publication date: January 10, 2019
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Pablo NAVARRETE MICHELINI, Xiaoyu LI
  • Publication number: 20190005619
    Abstract: An image upscaling system includes at least two convolutional neural network modules and at least one synthesizer. The convolutional neural network module and the synthesizer are alternately connected to one another. The first convolutional neural network module receive an input image and the corresponding supplemental image, generate a first number of the feature images, and output them to the next synthesizer connected thereto. Other convolutional neural network modules each may receive the output image from the previous synthesizer and the corresponding supplemental image, generate a second number of feature images, and output them to the next synthesizer connected thereto, or output them from the image upscaling system. The synthesizer may synthesize every n*n feature images in the received feature image into one feature image and output the resultant third number of feature images to the next convolutional neural network module connected thereto or output them from the image upscaling system.
    Type: Application
    Filed: June 23, 2017
    Publication date: January 3, 2019
    Inventors: Pablo Navarrete Michelini, Lijie ZHANG, Xiaoyu LI
  • Publication number: 20190005614
    Abstract: The present disclosure provides a method and an apparatus for stretching an image. The method for stretching an image includes: selecting a corresponding stretching mode according to a mode selection parameter; generating a corresponding stretching filter group according to a stretching parameter and the selected stretching mode, and segmenting input image data into blocks; and processing the input image data segmented into blocks by the stretching filter group, to obtain stretched image data.
    Type: Application
    Filed: March 1, 2018
    Publication date: January 3, 2019
    Inventors: Xiaoyu LI, Pablo Navarrete MICHELINI, Ran DUAN, Lihua GENG, Xitong MA
  • Publication number: 20180315165
    Abstract: The disclosure discloses an apparatus for upscaling an image, a method for training the same, and a method for upscaling an image, where a convolutional neutral network circuit obtains feature images of the image, a multiplexer upscales the image by integrating every n*n feature images of an input signal into a feature image with a resolution which is n times the resolution of a feature image of the image, where n is an integer greater than 1.
    Type: Application
    Filed: November 22, 2017
    Publication date: November 1, 2018
    Inventors: Pablo Navarrete Michelini, Hanwen Liu, Xiaoyu Li
  • Publication number: 20180211371
    Abstract: The disclosure discloses an apparatus and method for correcting a flicker in a video, and a video device, the method including: determining a correction weight for correcting grayscale values of a current frame of video image according to a ratio of a variance of a histogram of mapped grayscale values of a last frame of video image to a variance of a histogram of grayscale values of the last frame of video image, and a contrast enhancement upper limit parameter input by a user, and/or a largest percentage of the number of pixels with a same grayscale among a total number of pixels in the histogram of the grayscale values of the last frame of video image, and the contrast enhancement upper limit parameter input by the user; and, determining resulting grayscale values of the current frame of video image according to the correction weight.
    Type: Application
    Filed: September 27, 2017
    Publication date: July 26, 2018
    Inventors: Hanwen Liu, Pablo Navarrete Michelini
  • Publication number: 20180211157
    Abstract: An image processing method and an image processing device are provided. The image processing method includes steps of extracting a feature of an inputted first image by a first CNN, and reconstructing and outputting an image by a second CNN. The first CNN includes a plurality of first convolutional layers connected sequentially to each other and a plurality of first pooling layers each arranged between respective adjacent first convolutional layers, and each first convolutional layer is configured to generate and output a first convolutional feature. The second CNN includes a plurality of second convolutional layers connected sequentially to each other and a plurality of composite layers each arranged between respective adjacent second convolutional layers, and each composite layer is an up-sampling layer.
    Type: Application
    Filed: September 22, 2017
    Publication date: July 26, 2018
    Inventors: Hanwen Liu, Pablo Navarrete Michelini
  • Publication number: 20180197405
    Abstract: A drowning alarm system and a drowning alarm method. The drowning alarm system includes a submerging detection device, a position detection device and a signal transmitting device. The submerging detection device configured to detect whether or not the submerging detection device is submerged, and generate a submerging alarm instruction when the submerging detection device is submerged. The position detection device configured to determine whether or not the submerging detection device is within a preset range, and generate a distance information instruction when the submerging detection device is within the preset range. The signal transmitting device configured to transmit a first alarm signal when the submerging detection device generates the submerging alarm instruction and the position detection device generates the distance information instruction. The drowning alarming system with false alarm prevention function is realized.
    Type: Application
    Filed: November 7, 2017
    Publication date: July 12, 2018
    Inventors: Xiaoyu Li, Lihua Geng, Han Yan, Pablo Navarrete Michelini
  • Publication number: 20180197037
    Abstract: An image upsampling system, a training method thereof and an image upsampling method are provided, the feature images of an image are obtained by using the convolutional network, upsampling processing is performed on the images with the muxer layer to synthesize every n×n feature images in the input signal into a feature image with the resolution amplified by n×n times, in the upsampling procedure with the muxer layer, information of respective feature images in the input signal is recorded in the generated feature image(s) without loss; and thus, every time when the image passes through a muxer layer with an upsampling multiple of n, the image resolution can be increased by n×n times.
    Type: Application
    Filed: March 2, 2016
    Publication date: July 12, 2018
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Pablo NAVARRETE MICHELINI, Lijie ZHANG, Jianmin HE
  • Patent number: 10019642
    Abstract: An image upsampling system, a training method thereof and an image upsampling method are provided, the feature images of an image are obtained by using the convolutional network, upsampling processing is performed on the images with the muxer layer to synthesize every n×n feature images in the input signal into a feature image with the resolution amplified by n×n times, in the upsampling procedure with the muxer layer, information of respective feature images in the input signal is recorded in the generated feature image(s) without loss; and thus, every time when the image passes through a muxer layer with an upsampling multiple of n, the image resolution can be increased by n×n times.
    Type: Grant
    Filed: March 2, 2016
    Date of Patent: July 10, 2018
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Pablo Navarrete Michelini, Lijie Zhang, Jianmin He
  • Publication number: 20180191939
    Abstract: The present disclosure provides a method and device for correcting video flicker.
    Type: Application
    Filed: March 22, 2017
    Publication date: July 5, 2018
    Inventors: Han Yan, Pablo Navarrete Michelini
  • Patent number: 10015510
    Abstract: The disclosure relates to an image compression system, an image decompression system, a training method and device, as well as a display device. In the image compression system, convolutional neural network modules are used to complete the update and prediction processes. As such, the weight of each filtering unit in the convolutional neural network module can be trained in order to provide the corresponding image compression system with a better compression rate, thereby reducing the difficulty in setting the filtering parameters of the image compression unit and the image decompression unit.
    Type: Grant
    Filed: May 20, 2016
    Date of Patent: July 3, 2018
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Pablo Navarrete Michelini, Lijie Zhang, Xiaoyu Li, Jianmin He
  • Publication number: 20180184102
    Abstract: The disclosure relates to an image compression system, an image decompression system, a training method and device, as well as a display device. In the image compression system, convolutional neural network modules are used to complete the update and prediction processes. As such, the weight of each filtering unit in the convolutional neural network module can be trained in order to provide the corresponding image compression system with a better compression rate, thereby reducing the difficulty in setting the filtering parameters of the image compression unit and the image decompression unit.
    Type: Application
    Filed: May 20, 2016
    Publication date: June 28, 2018
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Pablo NAVARRETE MICHELINI, Lijie ZHANG, Xiaoyu LI, Jianmin HE
  • Publication number: 20170316548
    Abstract: A super-resolution method, a super-resolution system, a user equipment and a server. The super-resolution method includes: training an image sample at a server; obtaining a server-side image database; updating a local image database in a user device by using the server-side image database; and displaying an input low-resolution image as a high-resolution image.
    Type: Application
    Filed: February 3, 2016
    Publication date: November 2, 2017
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Lijie Zhang, Jianmin He, Pablo Navarrete Michelini, Xingxing Zhao
  • Publication number: 20170272798
    Abstract: According to embodiments of the present disclosure, a method for processing an adaptive media service at an encoder includes a first acquisition step of acquiring a first data stream including first image encoding data obtained by encoding a first image sequence, a second acquisition step of acquiring at least one second data stream, each second data steam including second image encoding data obtained by encoding a second image sequence and a target optimization parameter corresponding to the second image encoding data, a first selection step of selecting one data stream from a first data stream set in accordance with a condition of the receiver, the first data stream set at least including the first data stream and the at least one second data stream, and a first transmission step of transmitting the selected data stream to the receiver.
    Type: Application
    Filed: January 20, 2016
    Publication date: September 21, 2017
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Pablo NAVARRETE MICHELINI, Lijie ZHANG, Zhenglong LI, Jianmin HE