Techniques for transparently emulating network conditions
Granted: February 7, 2023
Patent Number:
11573884
In various embodiments, a network emulation application emulates network conditions when testing a software application. In response to a request to emulate a first set of network conditions for a first client device that is executing the software application, causing a kernel to implement a first pipeline and to automatically input network traffic associated with the first client device to the first pipeline instead of a default bridge. In response to a request to emulate a second set…
Systems and methods for reducing forced application termination
Granted: January 31, 2023
Patent Number:
11567784
The disclosed computer-implemented method may include detecting an application running in a background state on a client device. The method may also include collecting state data about a current state of the client device. Additionally, the method may include determining, by applying a machine learning model to the collected state data, that a likelihood of forcible termination of the application within a predetermined timeframe exceeds a threshold. Furthermore, the method may include…
Machine learning techniques for component-based image preprocessing
Granted: January 24, 2023
Patent Number:
11563986
In various embodiments, a training application trains a machine learning model to preprocess images. In operation, the training application computes a chroma sampling factor based on a downscaling factor and a chroma subsampling ratio. The training application executes a machine learning model that is associated with the chroma sampling factor on data that corresponds to both an image and a first chroma component to generate preprocessed data corresponding to the first chroma component.…
Machine learning techniques for component-based image preprocessing
Granted: January 24, 2023
Patent Number:
11563986
In various embodiments, a training application trains a machine learning model to preprocess images. In operation, the training application computes a chroma sampling factor based on a downscaling factor and a chroma subsampling ratio. The training application executes a machine learning model that is associated with the chroma sampling factor on data that corresponds to both an image and a first chroma component to generate preprocessed data corresponding to the first chroma component.…
Techniques for training a perceptual quality model to account for brightness and color distortions in reconstructed videos
Granted: January 17, 2023
Patent Number:
11557025
In various embodiments, a training application generates a perceptual video model. The training application computes a first feature value for a first feature included in a feature vector based on a first color component associated with a first reconstructed training video. The training application also computes a second feature value for a second feature included in the feature vector based on a first brightness component associated with the first reconstructed training video.…
Method, manufacture, and system for recommending items to users
Granted: January 10, 2023
Patent Number:
11551280
In various embodiments, a training application generates a preference prediction model based on an interaction matrix and a closed-form solution for minimizing a Lagrangian. The interaction matrix reflects interactions between users and items, and the Lagrangian is formed based on a constrained optimization problem associated with the interaction matrix. A service application generates a first application interface that is to be presented to the user. The service application computes…
Identifying image aesthetics using region composition graphs
Granted: January 10, 2023
Patent Number:
11551060
The disclosed computer-implemented method may include generating a three-dimensional (3D) feature map for a digital image using a fully convolutional network (FCN). The 3D feature map may be configured to identify features of the digital image and identify an image region for each identified feature. The method may also include generating a region composition graph that includes the identified features and image regions. The region composition graph may be configured to model mutual…
Techniques for optimizing encoding tasks
Granted: December 27, 2022
Patent Number:
11539966
In various embodiments, a shot collation application causes multiple encoding instances to encode a source video sequence that includes at least two shot sequences. The shot collation application assigns a first shot sequence to a first chunk. Subsequently, the shot collation application determines that a second shot sequence does not meet a collation criterion with respect to the first chunk. Consequently, the shot collation application assigns the second shot sequence or a third shot…
Techniques for computing perceptual video quality based on brightness and color components
Granted: December 20, 2022
Patent Number:
11532077
In various embodiments, a quality inference application estimates the perceived quality of reconstructed videos. The quality inference application computes a first feature value for a first feature included in a feature vector based on a color component associated with a reconstructed video. The quality inference application also computes a second feature value for a second feature included in the feature vector based on a brightness component associated with the reconstructed video.…
Secure communication channel with token renewal mechanism
Granted: December 20, 2022
Patent Number:
11533297
One embodiment of the present invention includes a server machine configured to establish a secure communication channel with a client machine via renewable tokens. The server machine receives a plurality of messages from a client machine over a secure communication channel, where the plurality of messages includes a first message that includes at least two of user authentication data, entity authentication data, first key exchange data, and encrypted message data. The server machine…
Systems and methods for adaptive streaming of multimedia content
Granted: December 13, 2022
Patent Number:
11527264
The disclosed computer-implemented method includes determining that audio quality is to be adjusted for a multimedia streaming connection over which audio data and video data are being streamed to a content player. The audio data is streamed at a specified audio quality level and the video data is streamed at a specified video quality level. The method also includes determining that a specified minimum video quality level is to be maintained while adjusting the audio quality level. Still…
Feature generation for online/offline machine learning
Granted: December 6, 2022
Patent Number:
11522938
A system for utilizing models derived from offline historical data in online applications is provided. The system includes a processor and a memory storing machine-readable instructions for determining a set of contexts of the usage data, and for each of the contexts within the set of contexts, collecting service data from services supporting the media service and storing that service data in a database. The system performing an offline testing process by fetching service data for a…
Techniques for evaluating a video rate selection algorithm based on a greedy optimization of total download size over a completed streaming session
Granted: December 6, 2022
Patent Number:
11522935
In various embodiments, a hindsight application computes a total download size for a sequence of encoded chunks associated with a media title for evaluation of at least one aspect of a video streaming service. The hindsight application computes a feasible download end time associated with a source chunk of the media title based on a network throughput trace and a subsequent feasible download end time associated with a subsequent source chunk of the media title. The hindsight application…
Upstream fault detection
Granted: November 22, 2022
Patent Number:
11507488
Techniques are described for detecting faults in media content based on the behavior of users viewing the media content. Embodiments stream a first instance of media content to one or more users. The behavior of the one or more users is monitored while the users are viewing the streaming first instance of media content. Embodiments then determine whether the first instance of media content is faulty, based on the monitored behavior of the one or more users.
Source-consistent techniques for predicting absolute perceptual video quality
Granted: November 15, 2022
Patent Number:
11503304
In various embodiments, a perceptual quality application computes an absolute quality score for encoded video content. In operation, the perceptual quality application selects a model based on the spatial resolution of the video content from which the encoded video content is derived. The model associates a set of objective values for a set of objective quality metrics with an absolute quality score. The perceptual quality application determines a set of target objective values for the…
Techniques for modifying audiovisual media titles to improve audio transitions
Granted: November 15, 2022
Patent Number:
11503264
A playback application is configured to analyze audio frames associated with transitions between segments within a media title to identify one or more portions of extraneous audio. The playback application is configured to analyze the one or more portions of extraneous audio and then determine which of the one or more corresponding audio frames should be dropped. In doing so, the playback application can analyze a topology associated with the media title to determine whether any specific…
Display panel of a programmed computer system with a graphical user interface
Granted: November 1, 2022
Patent Number:
D968431
Differencing engine for digital forensics
Granted: October 25, 2022
Patent Number:
11483325
In various embodiments, a forensic scoping application analyzes host instances in order to detect anomalies. The forensic scoping application acquires a snapshot for each host instance included in an instance group. Each snapshot represents a current operational state of the associated host instance. Subsequently, the forensic scoping application performs clustering operation(s) based on the snapshots to generate a set of clusters. The forensic scoping application determines that a first…
Techniques for comparing the compression efficiency of encoding configurations
Granted: October 25, 2022
Patent Number:
11481541
In various embodiments, a codec comparison application independently encodes each source image included in a set of source images using a first encoding configuration to generate a first set of encoded images. The codec comparison application also independently encodes each source image included in the set of source images using a second encoding configuration to generate a second set of encoded images. For each encoded image in the first set of encoded images and each encoded image in…
Automated video cropping
Granted: October 18, 2022
Patent Number:
11477533
The disclosed computer-implemented method may include receiving, as an input, segmented video scenes, where each video scene includes a specified length of video content. The method may further include scanning the video scenes to identify objects within the video scene and also determining a relative importance value for the identified objects. The relative importance value may include an indication of which objects are to be included in a cropped version of the video scene. The method…
