Patents Examined by Samuel D Fereja
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Patent number: 12294784Abstract: An electronic device may include a first camera, a second camera, a display, and at least one processor electrically connected to the first camera, the second camera, and the display. The at least one processor may acquire a first image frame through the first camera, display the first image frame on the display as a preview, determine a first point corresponding to a user input within the first image frame in response to a reception of the user input through the display, determine a second point that is distinguished from the first point and satisfies a predetermined condition within the first image frame, acquire a first video focused on a first subject corresponding to the first point through the first camera, and acquire a second video focused on a second subject corresponding to the second point through the second camera. Various other embodiments drawn by the specification are possible.Type: GrantFiled: December 14, 2022Date of Patent: May 6, 2025Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sanghun Lee, Sungoh Kim, Dasom Lee
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Patent number: 12294734Abstract: An electronic apparatus performs a method of coding video data. The method includes receiving, from a bitstream of the video data, a first syntax that indicates an affine motion model enabled for a current coding block, estimating parameters of the affine motion model using gradients of motion vectors of multiple spatial neighboring blocks of the current coding block, and constructing motion vectors of the affine motion model for the current coding block by using the estimated parameters. In some embodiments, constructing motion vectors further includes converting the estimated parameters into control point motion vectors (CPMVs), and adding the CPMVs into a current affine merge candidate list. In some embodiments, constructing motion vectors further includes deriving a motion vector predictor for an affine mode.Type: GrantFiled: September 20, 2022Date of Patent: May 6, 2025Assignee: BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.Inventors: Wei Chen, Xiaoyu Xiu, Yi-Wen Chen, Tsung-Chuan Ma, Hong-Jheng Jhu, Xianglin Wang, Bing Yu
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Patent number: 12289567Abstract: A method is provided of parallel gathering of structured light patterns in multi-projector systems, comprising sequentially projecting images from each of a plurality of projectors on a surface; capturing the sequentially projected images on the surface via at least one sensing device; creating one or more sensing device/projector masks for limiting the images projected by each of the plurality of projectors to portions that do not conflict with images projected by other ones of the plurality of projectors; using the one or more projector masks to create a graph of projectors whose projections conflict; and creating from the graph a plurality of gather groups wherein projectors within a group do not conflict with each other for simultaneously gathering structured light patterns from projectors in each of the gather groups.Type: GrantFiled: September 13, 2022Date of Patent: April 29, 2025Assignee: CHRISTIE DIGITAL SYSTEMS USA, INC.Inventors: Matthew Post, Peter Anthony Van Eerd, Anda Achimescu, Huck Kim
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Patent number: 12287380Abstract: Sensor-based privacy-event detection for a mounted electronic device is described. In aspects, a security system includes a head assembly removably and magnetically coupled to a mounting device having a magnet. The electronic device also includes a camera module and a sensor disposed within the housing. The sensor detects a magnetic field associated with the magnet when the head assembly is coupled to the mounting device. When a user detaches the head assembly from the mounting device (e.g., to recharge the electronic device), the sensor no longer detects the magnetic field and determines the occurrence of a privacy event, which is used to deactivate the camera module to prevent unintentional recordings during the privacy event.Type: GrantFiled: July 26, 2022Date of Patent: April 29, 2025Assignee: Google LLCInventors: Mark Benjamin Kraz, Aditya Shailesh Ghadiali, Kok Yen Cheng, Félix Ambroise Étienne Senepin, Chi-Ming Lin
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Patent number: 12284350Abstract: Embodiments of this application provide a method for processing image signal conversion, including: obtaining a primary color component of a to-be-processed pixel; and converting a first value of the primary color component into a second value based on a preset dynamic range conversion model, where the dynamic range conversion model is: L ? = F ? ( L ) = a × ( p × L n ( k 1 × p - k 2 ) × L n + k 3 ) m + b , where L is the first value, L? is the second value, and k1, k2, k3, a, b, m, n, and p are model parameters.Type: GrantFiled: April 15, 2022Date of Patent: April 22, 2025Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Weiwei Xu, Quanhe Yu, Hu Chen, Elena Alexandrovna Alshina, Rafal Mantiuk
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Patent number: 12273565Abstract: There is disclosed a method comprising obtaining a block of transform coefficients; searching a position of a last non-zero coefficient in a scan order in the block; selecting a secondary transform mode based on the position and encoding first syntax elements indicative of the selected secondary transform mode. A primary transform mode is selected based on the secondary transform mode. Second syntax elements indicative of the selected primary transform mode and third syntax elements defining the transform coefficients within the block are encoded. There is also disclosed a method comprising receiving encoded information related to a block of transform coefficients; decoding an indication of a position of a last non-zero coefficient in a scan order in the block and using the position to determine if an indication of a secondary transform mode is present in the bit stream.Type: GrantFiled: September 9, 2020Date of Patent: April 8, 2025Inventor: Jani Lainema
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Patent number: 12262051Abstract: Systems and methods for performing trick play functionality using trick play streams during adaptive bitrate streaming in accordance with embodiments of the invention are disclosed. One embodiment includes requesting a video container index from a video container file containing a video stream from a plurality of alternative streams of video; requesting at least one portion of the video stream using at least one entry from the video container index; decoding the at least one portion of the video stream; receiving at least one user instruction to perform a visual search of the media; requesting a trick play container index from a trick play container file containing a trick play stream; requesting at least one frame of video from the at least one trick play stream; and decoding and displaying the at least one frame of video from the trick play stream.Type: GrantFiled: April 14, 2023Date of Patent: March 25, 2025Assignee: DIVX, LLCInventors: Jason Braness, Auke Sjoerd van der Schaar, Kourosh Soroushian
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Patent number: 12262012Abstract: According to the disclosure of the present document, chroma quantization parameter offset-related information may be signaled via a palette coding syntax, and index information about a chroma quantization parameter offset list may be efficiently parsed/signaled on the basis of information about the number of entries within the chroma quantization parameter offset list. Accordingly, bits that need to be signaled for video/image coding can be reduced, and coding efficiency can be improved.Type: GrantFiled: February 21, 2024Date of Patent: March 25, 2025Assignee: LG ELECTRONICS INC.Inventors: Hendry Hendry, Seunghwan Kim, Jie Zhao
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Patent number: 12256067Abstract: There is includes a method and apparatus comprising computer code configured to cause a hardware processor or processors to perform intra prediction among a plurality of reference lines, to set a plurality of intra prediction modes for a zero reference line nearest to a current block of the intra prediction among non-zero reference lines, and to set one or more most probable modes for one of the non-zero reference lines.Type: GrantFiled: January 3, 2024Date of Patent: March 18, 2025Assignee: TENCENT AMERICA LLCInventors: Liang Zhao, Xin Zhao, Xiang Li, Shan Liu
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Patent number: 12250404Abstract: Systems and methods for performing trick play functionality using trick play streams during adaptive bitrate streaming in accordance with embodiments of the invention are disclosed. One embodiment includes requesting a video container index from a video container file containing a video stream from a plurality of alternative streams of video; requesting at least one portion of the video stream using at least one entry from the video container index; decoding the at least one portion of the video stream; receiving at least one user instruction to perform a visual search of the media; requesting a trick play container index from a trick play container file containing a trick play stream; requesting at least one frame of video from the at least one trick play stream; and decoding and displaying the at least one frame of video from the trick play stream.Type: GrantFiled: August 16, 2024Date of Patent: March 11, 2025Assignee: DIVX, LLCInventors: Jason Braness, Auke Sjoerd van der Schaar, Kourosh Soroushian
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Patent number: 12249100Abstract: A method includes obtaining multiple images of a scene using an imaging sensor associated with a vehicle, where the images of the scene capture lane marking lines associated with a traffic lane in which the vehicle is traveling. The method also includes identifying, in each of at least some of the images, a vanishing point based on the lane marking lines captured in the image. The method further includes identifying an average position of the vanishing points in the at least some of the images. In addition, the method includes determining one or more extrinsic calibration parameters of the imaging sensor based on the average position of the vanishing points. The one or more extrinsic calibration parameters of the imaging sensor may include a pitch angle and a yaw angle of the imaging sensor.Type: GrantFiled: October 29, 2021Date of Patent: March 11, 2025Assignee: Omnitracs, LLCInventor: Andrew C. Kobach
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Patent number: 12250409Abstract: There is disclosed herein examples of systems and methods for compressing a signal. Samples of the signal can be segmented and the samples within each of the segments can be averaged to produce a value that can represent the samples within the segment. The number of samples to average in each segment may be determined based on an error threshold, such that the number of samples being averaged can be maximized to produce less data to be transmitted while maintaining the representation of the samples within the error threshold. In some embodiments, a signal can be separated into a timing reference, a representative periodic function, and a highly compressible error signal. The error signal can be utilized for reproducing a representation of the signal.Type: GrantFiled: December 30, 2021Date of Patent: March 11, 2025Assignee: ANALOG DEVICES, INC.Inventors: Patrick Riehl, Tony J. Akl, Venugopal Gopinathan, Hyung Sung Yoon
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Patent number: 12244821Abstract: A method of video coding, executable by a processor, includes receiving video data having a coding tree unit size, determining whether the coding tree unit size is greater than a predetermined threshold, and in response to the coding tree unit size being greater than the predetermined threshold, signaling, in a sequence parameter set (SPS), a first flag indicating whether a maximum transform size in luma samples is equal to 64. The first flag being equal to 1 specifies that the maximum transform size in luma samples is equal to 64, the first flag equal to 0 specifies that the maximum transform size in luma samples is equal to 32, and when not present, the first flag is inferred to be equal to 0.Type: GrantFiled: November 16, 2023Date of Patent: March 4, 2025Assignee: TENCENT AMERICA LLCInventors: Yixin Du, Byeongdoo Choi, Xiang Li, Xin Zhao, Stephan Wenger, Shan Liu
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Patent number: 12244824Abstract: A method of video decoding according to the present invention may comprise determining an intra prediction mode of a current block, determining a DC value using reference samples adjacent to the current block when the intra prediction mode of the current block is a DC mode, and deriving a prediction sample of the current block based on the DC value.Type: GrantFiled: August 29, 2023Date of Patent: March 4, 2025Assignee: KT CORPORATIONInventor: Bae Keun Lee
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Patent number: 12231675Abstract: An image decoding method according to the present document includes obtaining motion prediction information for a current block from a bitstream, generating an affine MVP candidate list for the current block, deriving CPMVPs for CPs of the current block based on the affine MVP candidate list, deriving CPMVDs for the CPs of the current block based on the motion prediction information, deriving CPMVs for the CPs of the current block based on the CPMVPs and the CPMVDs, and deriving prediction samples for the current block based on the CPMVs.Type: GrantFiled: December 15, 2023Date of Patent: February 18, 2025Assignee: LG ELECTRONICS INC.Inventors: Jaeho Lee, Junghak Nam, Naeri Park, Hyeongmoon Jang
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Patent number: 12213642Abstract: An endoscope system irradiates a subject with each of a plurality of pieces of illumination light in a preset order, images the subject according to a preset first imaging frame rate during a first period in which first illumination light included in the plurality of the illumination light is applied, acquires a first image captured during the first period, generates a first display image according to a first display frame rate higher than the first imaging frame rate on the basis of the acquired first image, and displays the first display image on a display.Type: GrantFiled: July 26, 2022Date of Patent: February 4, 2025Assignee: FUJIFILM CorporationInventor: Koji Shimomura
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Patent number: 12213643Abstract: A learning device 3 includes: a training image acquisition unit 321 that acquires training images in which a first training image acquired by capturing light from a subject irradiated with light in a first wavelength band and a second training image acquired by capturing light from the subject irradiated with light in a second wavelength band different from the first wavelength band are paired; a singular area specification unit 322 that specifies a singular area in the second training image; a first feature data extraction unit 323 that extracts feature data of a singular-corresponding area at a pixel position corresponding to the singular area in the first training image; and a singular-corresponding area learning unit 324 that generates a learning model by performing machine learning on the singular-corresponding area based on the feature data.Type: GrantFiled: February 9, 2021Date of Patent: February 4, 2025Assignee: Sony Olympus Medical Solutions Inc.Inventor: Taihei Michihata
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Patent number: 12206851Abstract: Techniques are described for compressing and decompressing data using machine learning systems. An example process can include receiving a plurality of images for compression by a neural network compression system. The process can include determining, based on a first image from the plurality of images, a first plurality of weight values associated with a first model of the neural network compression system. The process can include generating a first bitstream comprising a compressed version of the first plurality of weight values. The process can include outputting the first bitstream for transmission to a receiver.Type: GrantFiled: December 17, 2021Date of Patent: January 21, 2025Assignee: QUALCOMM INCORPORATEDInventors: Yunfan Zhang, Ties Jehan Van Rozendaal, Taco Sebastiaan Cohen, Markus Nagel, Johann Hinrich Brehmer
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Patent number: 12198355Abstract: Techniques for facilitating light signal assessment receiver systems and methods are provided. In one example, a light signal assessment device includes a light signal detection device including a filter array, a detector array, and a measurement device. The filter array is configured to filter a light signal incident on the filter array. The detector array is configured to receive the filtered light signal and generate a light signal detection image based on the filtered light signal. The measurement device is configured to determine a characteristic associated with the light signal based on the light signal detection image. The assessment device further includes a logic device configured to generate an output based on the characteristic. Related methods and systems are also provided.Type: GrantFiled: August 2, 2022Date of Patent: January 14, 2025Assignee: Teledyne Scientific & Imaging, LLCInventors: Milind P. Mahajan, Weiya Zhang, John Mansell, Bryce Murray
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Patent number: 12192484Abstract: The present invention concerns a method of encapsulating subpicture bitstreams in at least one media file, the subpicture bitstreams corresponding to encoded media data of a subpicture corresponding to a rectangular region of video data, the method comprising: obtaining the plurality of subpicture bitstreams; encapsulating each subpicture bitstream in a subpicture track; generating at least one base track referencing at least two subpicture tracks and forming a spatial arrangement of the at least two subpicture tracks; generating information describing APS referenced by samples of the at least two subpicture tracks; encapsulating the subpicture tracks, the at least one base track and the information describing APS in the at least one media file.Type: GrantFiled: April 11, 2022Date of Patent: January 7, 2025Assignee: Canon Kabushiki KaishaInventors: Naël Ouedraogo, Franck Denoual, Frédéric Maze, Hervé Ruellan, Lionel Tocze