Patent application number | Description | Published |
20110115766 | Energy efficient display system - A method for displaying an image on a display includes receiving a two dimensional image to be displayed on the display. The two dimensional image may be modified using a non-photorealistic technique and the contrast is reduced. At least one of the modifying and reducing is based upon a power usage factor. Also, the system may modify the power usage based upon audio, presence, smart meters, and brightness preservation. | 05-19-2011 |
20110123030 | Dynamic spatial audio zones configuration - A method for presenting audio-visual content for a display includes defining a window associated with a program having associated audio signals on the display. An audio position is defined for the audio signals based upon a position of the window on the display, and a position of at least two speakers associated with the display. The audio signals are modified based upon the audio position in such a manner that the audio signals appear to originate from the window. | 05-26-2011 |
20110123055 | MULTI-CHANNEL ON-DISPLAY SPATIAL AUDIO SYSTEM - A method for presenting audio-visual content for a display includes defining a window associated with a program having associated audio signals on the display. At least two audio positions for the audio signals are defined based upon a position of the window on the display, and a position of at least two speakers associated with the display. The audio signals are modified based upon the audio positions in such a manner that the audio signals appear to originate from at least a pair of locations within the window. | 05-26-2011 |
20120020483 | SYSTEM AND METHOD FOR ROBUST AUDIO SPATIALIZATION USING FREQUENCY SEPARATION - Systems and devices for, and methods of, frequency separation and spatialization of audio content, by: (a) filtering a stream content; (b) transmitting the filtered stream content via a plurality of speaker channels, wherein at least one of the speaker channels of the plurality of speaker channels comprises an amplitude gain based on a display position set; and optionally (c) generating an inversion of the filtered stream content; and (d) combining the inverted filtered stream content with the stream content to generate a low frequency component of the audio content. | 01-26-2012 |
20120062709 | SYSTEM FOR CROSSTALK REDUCTION - A display includes receiving a first image and a second image to be displayed on the display in order to provide a stereoscopic scene to a viewer. The first image is modified in such a manner so as to reduce the appearance of crosstalk. | 03-15-2012 |
20120127155 | 3D COMFORT AND FUSION LIMIT EMPIRICAL MODEL - A method for displaying a pair of stereoscopic images on a display includes receiving a pair of images forming the pair of stereoscopic images, one being a left image and one being a right image. The disparity is adjusted between the left image and the right image based upon a profile of a particular viewer. | 05-24-2012 |
20120188463 | TELEVISION WITH COUPLED ELECTRICAL POWER - A display device includes power management by including a first input suitable to receive electrical power from an outlet for providing power for the operation of the display device. The display device includes a second input, separate from the first input, suitable to receive electrical power from an external battery source for providing power for the operation of the display device. The display device includes an internal battery source enclosed within the display device suitable for providing power for the operation of the display device. A source select is enclosed within the display device that selects power from at least one of the first input, the second input, and the internal battery for providing power for the operation of the display device. A processor receives video content from a video source and selectively modifies a backlight of the display device based upon the power source selected by the source select in such a manner as to reduce the power consumption of the display device. The processor may additionally change the media playback behavior to decode and playback only some of the video frames to reduce the power consumption of decoder and display device. | 07-26-2012 |
20120257870 | SYSTEM FOR POWER ALLOCATION - A battery powered device including power management includes a display, a processor, a video decoder, a networking circuit, and a power allocation process. The power allocation process modifies the power used to process a video by jointly selecting a lower power usage based upon selectively dropping frames to be decoded by the video decoder, and selectively decreasing the illumination of a backlight of the display. | 10-11-2012 |
20130057519 | DISPLAY REFRESH SYSTEM - A display refresh system for video includes a refresh process that selects between two processes. A first process refreshes the entire display with a frame of the video based upon a change between frames of the video which is not based on explicit image motion. A second process refreshes a selected subset of the display based upon pixels of the display that have changed. | 03-07-2013 |
20130057703 | Methods, Systems and Apparatus for Automatic Video Quality Assessment - Aspects of the present invention are related to systems, methods and apparatus for automatic quality assessment of a video sequence. According to a first aspect of the present invention, a quality index may be generated by combining a spatial quality index and a temporal quality index. According to a second aspect of the present invention, a spatial quality index may be calculated using a modified exponential moving average model to pool multi-scale structural similarity indices computed from test frame—reference frame pairs. According to a third aspect of the present invention, a temporal quality index may be generated by averaging multi-scale structural similarity indices computed from difference image pairs, wherein one difference image is formed between reference frames and another difference image is formed between a reference frame and a test frame. | 03-07-2013 |
20130060391 | ENERGY MANAGEMENT SYSTEM - An energy management system includes a controller that receives a signal representative of current electrical generation. A storage source stores energy from the current electrical generation associated with the controller. The controller predicts the amount of storage of energy in said storage source over time, receives pricing information, includes a model of a temperature system of a building, and includes a comfort model of a user. The controller selects a desirable temperature based upon the current electrical generation, the stored energy, the pricing information, the building model, and the comfort model. | 03-07-2013 |
20130060392 | ENERGY PREDICTION SYSTEM - An energy management system includes a controller receiving electrical pricing information from an electrical utility company, measuring electrical power usage of a customer, and providing the electrical power usage to the electrical utility company. The controller is suitable to receive information regarding energy storage of a customer's electrical power storage and receive power information regarding a power generation source of the customer. The controller modifies the power usage of the energy management system based upon the pricing information, the electrical power usage, the energy storage, the power information, wherein the pricing information includes a plurality of temporal pricing levels and a temporal peak pricing level. | 03-07-2013 |
20130094585 | TRACKING A REFERENCE PICTURE ON AN ELECTRONIC DEVICE - A method for tracking a reference picture on an electronic device is described. The method includes receiving a bitstream. The method also includes decoding a portion of the bitstream to produce a decoded reference picture. The method further includes tracking the decoded reference picture in a decoded picture buffer (DPB) with reduced overhead referencing. The method additionally includes decoding a picture based on the decoded reference picture. | 04-18-2013 |
20130094772 | TRACKING A REFERENCE PICTURE BASED ON A DESIGNATED PICTURE ON AN ELECTRONIC DEVICE - A method for tracking a reference picture on an electronic device is described. The method includes receiving a bitstream. The method also includes decoding a portion of the bitstream to produce a decoded reference picture. The method further includes tracking the decoded reference picture in a decoded picture buffer (DPB) with reduced overhead referencing based on a designated picture. The method additionally includes decoding a picture based on the decoded reference picture. | 04-18-2013 |
20130094774 | TRACKING A REFERENCE PICTURE BASED ON A DESIGNATED PICTURE ON AN ELECTRONIC DEVICE - A method for tracking a reference picture on an electronic device is described. The method includes receiving a bitstream. The method also includes decoding a portion of the bitstream to produce a decoded reference picture. The method further includes tracking the decoded reference picture in a decoded picture buffer (DPB) with reduced overhead referencing based on a designated picture. The method additionally includes decoding a picture based on the decoded reference picture. | 04-18-2013 |
20130187937 | ELECTRONIC DEVICES CONFIGURED FOR ADAPTING REFRESH BEHAVIOR - A method for adapting refresh behavior on an electronic device is described. The method includes operating according to an adaptive state that adapts a refresh rate for a display based on at least one frame. The method additionally includes transitioning from the adaptive state to a self refresh state based on a first self refresh state indication. The method further includes transitioning from the self refresh state to the adaptive state based on a second self refresh state indication. | 07-25-2013 |
20130188709 | VIDEO DECODER FOR TILES WITH ABSOLUTE SIGNALING - A system for decoding a video bitstream includes receiving a reference picture set associated with a frame including a set of reference picture identifiers. The reference picture set identifies one or more reference pictures to be used for inter-prediction of the frame based upon its associated least significant bits of a picture order count based upon the reference picture identifiers. The one or more reference pictures is a second or greater previous frame to the frame having the matching reference picture identifier. | 07-25-2013 |
20130188881 | REDUCING REFERENCE PICTURE SET SIGNAL OVERHEAD ON AN ELECTRONIC DEVICE - A method for reducing signal overhead on an electronic device is described. The method includes obtaining a picture. The method also includes encoding the picture. The method further includes indicating a reference picture set (RPS) corresponding to the picture based on an initialized index value. The method additionally includes sending a bitstream. | 07-25-2013 |
20130188882 | DECODING A PICTURE BASED ON A REFERENCE PICTURE SET ON AN ELECTRONIC DEVICE - A method for decoding a picture on an electronic device is described. The method includes obtaining a bitstream. The method also includes obtaining a current picture. The method further includes obtaining a relative reference picture set (RPS) parameter. The method additionally includes initializing an index value. Furthermore, the method includes processing another RPS parameter based on the index value. The method also includes decoding the current picture. | 07-25-2013 |
20130259393 | INTER REFERENCE PICTURE SET SIGNALING AND PREDICTION ON AN ELECTRONIC DEVICE - A previously signaled reference picture set (RPS) corresponding to a current picture is indicated. A first flag for a picture in the previously signaled RPS is set if the picture is to be used as a reference picture for the current picture. A bitstream is sent. | 10-03-2013 |
20130272398 | LONG TERM PICTURE SIGNALING - A system for decoding a video bitstream includes receiving a coded picture of the video and receiving a slice header including a least significant bits of picture order count and a delta picture order count most significant bits cycle corresponding to a respective picture. The system discriminates between whether the delta picture order count most significant bits cycle is signaling (a) no presence of a cycle corresponding to the delta picture order count most significant bits, and (b) yes presence of the cycle corresponding to the delta picture order count most significant bits. | 10-17-2013 |
20130272428 | VIDEO DECODER FOR COPY SLICES - A system for decoding video includes receiving a frame of the video in a bitstream that includes at least one slice and at least one tile. At least one slice and at least one tile are not all aligned with one another, and each of the at least one slice is characterized that it is decoded independently of the other at least one slice. The at least one tile is characterized that it is a rectangular region of the frame and having coding units for the decoding arranged in a raster scan order, and wherein the at least one tile of the frame are collectively arranged in a raster scan order of the frame. The system receives slice header data for at least one slice in the bitstream indicating that the pixel data of the slice is obtained from corresponding pixel locations in a different frame than the frame including the at least one slice. | 10-17-2013 |
20130272618 | DEVICES FOR IDENTIFYING A LEADING PICTURE - An electronic device for indicating a leading picture is described. The electronic device includes memory in communication with a processor and instructions stored in the memory. The electronic device encodes a first picture. The electronic device further determines whether a leading picture is present. The electronic device further generates an explicit leading picture indicator if a leading picture is present. The electronic device further sends the explicit leading picture indicator if a leading picture is present. | 10-17-2013 |
20130272619 | DEVICES FOR IDENTIFYING A LEADING PICTURE - An electronic device for indicating a leading picture is described. The electronic device includes a processor and instructions stored in memory that is in electronic communication with the processor. The electronic device encodes a Clean Random Access (CRA) picture. The electronic device determines whether a leading picture is present. If a leading picture is present, then the electronic device determines whether the leading picture is a dependent leading picture or an independent leading picture. The electronic device generates an explicit dependent leading picture indicator if the leading picture is a dependent leading picture and sends the explicit dependent leading picture indicator if the leading picture is a dependent leading picture. The electronic device generates an explicit independent leading picture indicator if the leading picture is an independent leading picture and sends the explicit independent leading picture indicator if the leading picture is an independent leading picture. | 10-17-2013 |
20130273945 | ELECTRONIC DEVICES FOR SENDING A MESSAGE AND BUFFERING A BITSTREAM - An electronic device for sending a message is described. The electronic device includes a processor and instructions stored in memory that is in electronic communication with the processor. The electronic device determines whether a first picture is a Clean Random Access (CRA) picture. The electronic device also determines whether a leading picture is present if the first picture is a CRA picture. The electronic device further generates a message including a CRA discard flag and an initial CRA Coded Picture Buffer (CPB) removal delay parameter if a leading picture is present. The electronic device additionally sends the message. | 10-17-2013 |
20130274935 | System and Method for Energy Storage Management - A method is provided for efficiently managing energy consumption using stored energy. The method accepts input energy (e.g., from a power utility) and maintains a record of energy consumption. An energy consumption peak is predicted in response to analyzing the record of energy consumption, and the input energy is augmented with stored energy during the predicted energy consumption peaks. More explicitly, a peak shaving value is selected based on a fraction of the predicted energy consumption peak, and the stored energy is used when energy consumption exceeds the peak shaving value. In one aspect, after a determination is made to use stored energy, it is simply used while it is available. Otherwise, it is supplied based upon an analysis of a predicted value of the stored energy. | 10-17-2013 |
20130335309 | ELECTRONIC DEVICES CONFIGURED FOR ADAPTING DISPLAY BEHAVIOR - A method for adapting display behavior on an electronic device is described. The method includes obtaining an image. The method also includes determining a backlight level based on the image. The method further includes determining a compensated image based on the image and the backlight level. The method additionally includes determining a refresh indicator based on the image. The method also includes determining pixel data based on the backlight level, the compensated image and the refresh indicator. The method further includes sending the pixel data, the refresh indicator and the backlight level. | 12-19-2013 |
20130335578 | Ambient Adaptive Objective Image Metric - A system and method are provided for measuring image quality using an ambient adaptive objective brightness metric. The method accepts an electronically formatted original image (I), and also accepts an electronically formatted brightened image (B), obtained by modifying the original image. For example, the brightened image (B) may be an illumination-modified original image. The method also accepts a relative ambient illumination value (λ). A dynamic reference AI=Iλ is generated, and the brightened image (B) is compared to the dynamic reference (AI). | 12-19-2013 |
20140023146 | ELECTRONIC DEVICES FOR SIGNALING MULTIPLE INITIAL BUFFERING PARAMETERS - An electronic device for sending a message is described. The electronic device includes a processor and instructions stored in memory that is in electronic communication with the processor. The electronic device determines whether a picture is a random access point (RAP) picture. The electronic device also determines whether the picture is associated with a broken link access (BLA) with decodable leading pictures (DLP) network access layer (NAL) unit type if the picture is a RAP picture. The electronic device further generates a message including a RAP coded picture buffer (CPB) parameter flag and an initial additional CPB removal delay parameter if the BLA with DLP NAL unit type is present. The electronic device additionally sends the message. | 01-23-2014 |
20140045543 | DEVICES FOR ALLOCATING POWER FOR UPLINK TRANSMISSION - A User Equipment (UE) for allocating power for uplink transmission to an evolved Node B (eNB) is described. The UE includes a processor and memory that is in electronic communication with the processor. Executable instructions are stored in the memory. The UE obtains a power headroom. The UE also obtains a threshold. Also, the UE reduces power consumption if the power headroom is less than the threshold. The power headroom is based on the difference between a maximum uplink transmit power and an estimated uplink transmit power. | 02-13-2014 |
20140092953 | METHOD FOR SIGNALING A STEP-WISE TEMPORAL SUB-LAYER ACCESS SAMPLE - An electronic device for encoding a picture is described. The electronic device includes a processor and instructions stored in memory that are in electronic communication with the processor. The instructions are executable to encode a step-wise temporal sub-layer access (STSA) sample grouping. The instructions are further executable to send and/or store the STSA sample grouping. | 04-03-2014 |
20140092961 | SIGNALING DECODER PICTURE BUFFER INFORMATION - A system for decoding a video bitstream includes receiving a frame of the video that includes at least one slice and at least one tile and where each of the at least one slice and the at least one tile are not all aligned with one another. | 04-03-2014 |
20140092976 | SYSTEM FOR SIGNALING IDR AND BLA PICTURES - A system for decoding a video bitstream includes receiving a frame of the video that includes at least one slice and at least one tile and where each of the at least one slice and the at least one tile are not all aligned with one another. | 04-03-2014 |
20140092988 | SYSTEMS AND METHODS FOR REFERENCE PICTURE SET EXTENSION - A method for sending information by an electronic device is described. The method includes creating reference picture set (RPS) information based on a coding structure. The method also includes determining whether to signal RPS extension information. The method additionally includes creating the RPS extension information if it is determined to signal RPS extension information. The method further includes sending the RPS extension information if it is determined to signal RPS extension information. | 04-03-2014 |
20140092995 | ELECTRONIC DEVICES FOR SIGNALING A RANDOM ACCESS POINT PICTURE MESSAGE - An electronic device for sending a message is described. The electronic device includes a processor and instructions stored in memory that is in electronic communication with the processor. The electronic device determines whether a picture is a random access point (RAP) picture. If the picture is a RAP picture, the electronic device generates a message including a RAP network access layer (NAL) unit type (NUT) and a RAP information parameter. If the picture is a RAP picture, the message does not include a NAL unit header (NUH) temporal identifier parameter. The electronic device sends the message. | 04-03-2014 |
20140093179 | ELECTRONIC DEVICE FOR SIGNALING A SUB-PICTURE BUFFER PARAMETER - An electronic device for sending a message is described. The electronic device includes a processor and instructions stored in memory that is in electronic communication with the processor. The electronic device determines whether a picture is allowed to be decoded on a sub-picture level. If the picture is allowed to be decoded on a sub-picture level, the electronic device generates at least one of a buffer size parameter and a buffer scale parameter. The electronic device sends at least one of the buffer size parameter and the buffer scale parameter. | 04-03-2014 |
20140140398 | SIGNALING SCALABILITY INFORMATION IN A PARAMETER SET - A system for decoding a video bitstream includes receiving a frame of the video that includes at least one slice and at least one tile and where each of the at least one slice and the at least one tile are not all aligned with one another. | 05-22-2014 |
20140140414 | SIGNALING SCALABILITY INFORMATION IN A PARAMETER SET - A system for decoding a video bitstream includes receiving a frame of the video that includes at least one slice and at least one tile and where each of the at least one slice and the at least one tile are not all aligned with one another. | 05-22-2014 |
20140192894 | IMPLICIT SIGNALING OF SCALABILITY DIMENSION IDENTIFIER INFORMATION IN A PARAMETER SET - A system for decoding a video bitstream includes receiving a frame of the video that includes at least one slice and at least one tile and where each of the at least one slice and the at least one tile are not all aligned with one another. | 07-10-2014 |
20140192900 | SIGNALING LAYER DEPENDENCY INFORMATION IN A PARAMETER SET - A system for decoding a video bitstream includes receiving a frame of the video that includes at least one slice and at least one tile and where each of the at least one slice and the at least one tile are not all aligned with one another. | 07-10-2014 |
20140198857 | VIDEO DECODER WITH SIGNALING - A system for decoding a video bitstream. | 07-17-2014 |
20140211849 | REFERENCE PICTURE SET SIGNALING AND RESTRICTION ON AN ELECTRONIC DEVICE - A previously signaled reference picture set (RPS) corresponding to a current picture is indicated. A first flag for a picture in the previously signaled RPS is set if the picture is to be used as a reference picture for the current picture. A bitstream is sent. | 07-31-2014 |
20140254672 | TRACKING A REFERENCE PICTURE ON AN ELECTRONIC DEVICE - A method for tracking a reference picture on an electronic device is described. The method includes receiving a bitstream. The method also includes decoding a portion of the bitstream to produce a decoded reference picture. The method further includes tracking the decoded reference picture in a decoded picture buffer (DPB) with reduced overhead referencing. The method additionally includes decoding a picture based on the decoded reference picture. | 09-11-2014 |
20140294076 | TRACKING A REFERENCE PICTURE ON AN ELECTRONIC DEVICE - A method for tracking a reference picture on an electronic device is described. The method includes receiving a bitstream. The method also includes decoding a portion of the bitstream to produce a decoded reference picture. The method further includes tracking the decoded reference picture in a decoded picture buffer (DPB) with reduced overhead referencing. The method additionally includes decoding a picture based on the decoded reference picture. | 10-02-2014 |
20140301451 | NAL UNIT TYPE RESTRICTIONS - A system for encoding and/or decoding video that include NAL unit types. | 10-09-2014 |
20140301452 | MARKING PICTURES FOR INTER-LAYER PREDICTION - A method for video coding is described. Signaling of a maximum number of sub-layers for inter-layer prediction is obtained. A sub-layer non-reference picture is also obtained. It is determined whether a value of a temporal identifier of the sub-layer non-reference picture is greater than the maximum number of sub-layers for inter-layer prediction minus 1. The sub-layer non-reference picture is marked as “unused for reference” if the value of the temporal identifier of the sub-layer non-reference picture is greater than the maximum number of sub-layers for inter-layer prediction minus 1. In some cases a sub-layer non-reference picture is also obtained. It is determined whether a value of a temporal identifier of the sub-layer non-reference picture is greater than the maximum number of sub-layers for inter-layer prediction. The sub-layer non-reference picture is marked as “unused for reference” if the value of the temporal identifier of the sub-layer non-reference picture is greater than the maximum number of sub-layers for inter-layer prediction. | 10-09-2014 |
20140301453 | DECODING OF INTER-LAYER REFERENCE PICTURE SET AND REFERENCE PICTURE LIST CONSTRUCTION - A method for video coding is described. Signaling of a maximum number of sub-layers for inter-layer prediction is obtained. A sub-layer non-reference picture is also obtained. It is determined whether a value of a temporal identifier of the sub-layer non-reference picture is greater than the maximum number of sub-layers for inter-layer prediction minus 1. The sub-layer non-reference picture is marked as “unused for reference” if the value of the temporal identifier of the sub-layer non-reference picture is greater than the maximum number of sub-layers for inter-layer prediction minus 1. In some cases a sub-layer non-reference picture is also obtained. It is determined whether a value of a temporal identifier of the sub-layer non-reference picture is greater than the maximum number of sub-layers for inter-layer prediction. The sub-layer non-reference picture is marked as “unused for reference” if the value of the temporal identifier of the sub-layer non-reference picture is greater than the maximum number of sub-layers for inter-layer prediction. | 10-09-2014 |
20140301476 | SIGNALING CHANGE IN OUTPUT LAYER SETS - A system for decoding a video bitstream includes receiving a bitstream and a plurality of enhancement bitstreams together with receiving a video parameter set and a video parameter set extension. The system also receives an output layer set change message including information indicating a change in at least one output layer set. | 10-09-2014 |
20140301477 | SIGNALING DPB PARAMETERS IN VPS EXTENSION AND DPB OPERATION - A system for encoding and/or decoding a video bitstream that includes a base bitstream and enhancement bitstreams representative of a video sequence. The receiver receives a video parameter set and a video parameter set extension, where the video parameter set extension includes decoder picture buffer parameters. | 10-09-2014 |
20140301478 | VIDEO COMPRESSION WITH COLOR BIT DEPTH SCALING - A video decoder provides decoding of encoded video that includes reference pictures and picture sample values corresponding to one of at least two digital video formats having different color characteristics The decoder includes a bit depth scaling operator that provides bit depth scaling of reference pictures in the encoded video and bit depth scaling of picture sample values in the encoded video to improves handling of differing color characteristics (e.g., resolution, quantization bit-depth, and color gamut) employed in different digital video formats. | 10-09-2014 |
20150085939 | DEVICES FOR SENDING AND RECEIVING A LONG-TERM REFERENCE PICTURE INDICATOR - A method for sending a long-term reference picture indicator by an electronic device is described. The method includes generating a long-term reference picture indicator. The method also includes sending the long-term reference picture indicator. The method further includes generating a used by current picture flag corresponding to a current picture. The method additionally includes sending the used by current picture flag in at least one parameter set. | 03-26-2015 |