Distributed processing of pose graphs for generating high definition maps for navigating autonomous vehicles
Granted: November 29, 2022
Patent Number:
11512964
According to an aspect of an embodiment, operations may comprise obtaining a pose graph that comprises a plurality of nodes. The operations may also comprise dividing the pose graph into a plurality of pose subgraphs, each pose subgraph comprising one or more respective pose subgraph interior nodes and one or more respective pose subgraph boundary nodes. The operations may also comprise generating one or more boundary subgraphs based on the plurality of pose subgraphs, each of the one or…
Denoising techniques suitable for recurrent blurs
Granted: November 22, 2022
Patent Number:
11508113
Recurrent blurring may be used to render frames of a virtual environment, where the radius of a filter for a pixel is based on a number of successfully accumulated frames that correspond to that pixel. To account for rejections of accumulated samples for the pixel, ray-traced samples from a lower resolution version of a ray-traced render may be used to increase the effective sample count for the pixel. Parallax may be used to control the accumulation speed along with an angle between a…
Early release of resources in ray tracing hardware
Granted: November 22, 2022
Patent Number:
11508112
Techniques are disclosed for improving the throughput of ray intersection or visibility queries performed by a ray tracing hardware accelerator. Throughput is improved, for example, by releasing allocated resources before ray visibility query results are reported by the hardware accelerator. The allocated resources are released when the ray visibility query results can be stored in a compressed format outside of the allocated resources. When reporting the ray visibility query results,…
Learning rigidity of dynamic scenes for three-dimensional scene flow estimation
Granted: November 22, 2022
Patent Number:
11508076
A neural network model receives color data for a sequence of images corresponding to a dynamic scene in three-dimensional (3D) space. Motion of objects in the image sequence results from a combination of a dynamic camera orientation and motion or a change in the shape of an object in the 3D space. The neural network model generates two components that are used to produce a 3D motion field representing the dynamic (non-rigid) part of the scene. The two components are information…
Deep neural network processing for sensor blindness detection in autonomous machine applications
Granted: November 22, 2022
Patent Number:
11508049
In various examples, a deep neural network (DNN) is trained for sensor blindness detection using a region and context-based approach. Using sensor data, the DNN may compute locations of blindness or compromised visibility regions as well as associated blindness classifications and/or blindness attributes associated therewith. In addition, the DNN may predict a usability of each instance of the sensor data for performing one or more operations—such as operations associated with…
Representing a neural network utilizing paths within the network to improve a performance of the neural network
Granted: November 22, 2022
Patent Number:
11507846
Artificial neural networks (ANNs) are computing systems that imitate a human brain by learning to perform tasks by considering examples. By representing an artificial neural network utilizing individual paths each connecting an input of the ANN to an output of the ANN, a complexity of the ANN may be reduced, and the ANN may be trained and implemented in a much faster manner when compared to an implementation using fully connected ANN graphs.
Current flattening circuit for protection against power side channel attacks
Granted: November 22, 2022
Patent Number:
11507704
Various implementations of a current flattening circuit are disclosed, including those utilizing a feedback current regulator, a feedforward current regulator, and a constant current source.
Driver gaze tracking system for use in vehicles
Granted: November 22, 2022
Patent Number:
11506888
A gaze tracking system for use by the driver of a vehicle includes an opaque frame circumferentially enclosing a transparent field of view of the driver, light emitting diodes coupled to the opaque frame for emitting infrared light onto various regions of the driver's eye gazing through the transparent field of view, and diodes for sensing intensity of infrared light reflected off of various regions of the driver's eye.
Object behavior anomaly detection using neural networks
Granted: November 15, 2022
Patent Number:
11501572
In various examples, a set of object trajectories may be determined based at least in part on sensor data representative of a field of view of a sensor. The set of object trajectories may be applied to a long short-term memory (LSTM) network to train the LSTM network. An expected object trajectory for an object in the field of view of the sensor may be computed by the LSTM network based at least in part an observed object trajectory. By comparing the observed object trajectory to the…
Injection limiting and wave synchronization for scalable in-network computation
Granted: November 15, 2022
Patent Number:
11502867
A network device configured to perform scalable, in-network computations is described. The network device is configured to process pull requests and/or push requests from a plurality of endpoints connected to the network. A collective communication primitive from a particular endpoint can be received at a network device. The collective communication primitive is associated with a multicast region of a shared global address space and is mapped to a plurality of participating endpoints.…
Streaming a light field compressed utilizing lossless or lossy compression
Granted: November 15, 2022
Patent Number:
11501467
A remote device utilizes ray tracing to compute a light field for a scene to be rendered, where the light field includes information about light reflected off surfaces within the scene. This light field is then compressed utilizing lossless or lossy compression and one or more video compression techniques that implement temporal reuse, such that only differences between the light field for the scene and a light field for a previous scene are compressed. The compressed light field data is…
Measuring and detecting idle processing periods and identifying root causes thereof in cloud-based, streaming applications
Granted: November 15, 2022
Patent Number:
11498007
A technique for analyzing data in order to detect issues within a cloud-based service is disclosed. Host computing devices in a data center launch virtual machines, where at least some virtual machines run a pipelined stack for a streaming service. Virtual machines in the host computing devices generate event data including timestamps. Metadata generated by the pipelined stack during each streaming session is analyzed to identify deadzones in the corresponding host computing device, and…
Using residual video data resulting from a compression of original video data to improve a decompression of the original video data
Granted: November 8, 2022
Patent Number:
11496773
A method, computer readable medium, and system are disclosed for identifying residual video data. This data describes data that is lost during a compression of original video data. For example, the original video data may be compressed and then decompressed, and this result may be compared to the original video data to determine the residual video data. This residual video data is transformed into a smaller format by means of encoding, binarizing, and compressing, and is sent to a…
Electronically actuated retaining latch for AC-DC adapter removable plug assembly
Granted: November 8, 2022
Patent Number:
11495928
A power adapter has a solenoid actuated retaining latch controlled by an electronic circuit that detects the presence or absence of AC mains voltage. When the assembled AC-DC adapter and plug assembly are removed from the wall, the latch detects removal and unlocks the plug assembly for easy removal without undue force required by the user. The circuit is designed for minimal power consumption, and the solenoid only consumes power when it is engaging or disengaging the latch.
IC package design and methodology to compensate for die-substrate CTE mismatch at reflow temperatures
Granted: November 8, 2022
Patent Number:
11495568
An IC package including an integrated circuit die having a major surface and one or more solder bumps located on the major surface in at least one corner region of the major surface and a substrate having a surface, the surface including bump pads thereon. The major surface of the integrated circuit die faces the substrate surface, the one or more solder bumps are bonded to individual ones of the bump pads to thereby form a bond joint, the major surface of the integrated circuit die has…
Neural rendering for inverse graphics generation
Granted: November 8, 2022
Patent Number:
11494976
Approaches are presented for training an inverse graphics network. An image synthesis network can generate training data for an inverse graphics network. In turn, the inverse graphics network can teach the synthesis network about the physical three-dimensional (3D) controls. Such an approach can provide for accurate 3D reconstruction of objects from 2D images using the trained inverse graphics network, while requiring little annotation of the provided training data. Such an approach can…
Convolutional blind-spot architectures and bayesian image restoration
Granted: November 8, 2022
Patent Number:
11494879
A neural network architecture is disclosed for restoring noisy data. The neural network is a blind-spot network that can be trained according to a self-supervised framework. In an embodiment, the blind-spot network includes a plurality of network branches. Each network branch processes a version of the input data using one or more layers associated with kernels that have a receptive field that extends in a particular half-plane relative to the output value. In one embodiment, the…
Hardware-controlled updating of a physical operating parameter for in-field fault detection
Granted: November 8, 2022
Patent Number:
11494370
Latency of in-system test (IST) execution for a hardware component of an in-field (deployed) computing platform may be reduced when a value of a physical operating parameter can be changed without rebooting the computing platform. A test (e.g., patterns or vectors) is executed for varying values of the physical operating parameter (e.g., supply voltage, clock speed, temperature, noise magnitude/duration, operating current, and the like), providing the ability to detect faults in the…
Securing against errors in an error correcting code (ECC) implemented in an automotive system
Granted: November 8, 2022
Patent Number:
11494265
In general, data is susceptible to errors caused by faults in hardware (i.e. permanent faults), such as faults in the functioning of memory and/or communication channels. To detect errors in data caused by hardware faults, the error correcting code (ECC) was introduced, which essentially provides a sort of redundancy to the data that can be used to validate that the data is free from errors caused by hardware faults. In some cases, the ECC can also be used to correct errors in the data…
Volume control for audio and video conferencing applications
Granted: November 1, 2022
Patent Number:
11487498
In various examples, when a local user initiates an instance of a video conference application, the user may be provided with a user interface (UI) that displays an icon corresponding to the user as well as several other icons corresponding to participants in the instance of the video conference application. As the users converse, the local user may find that a particular participant is speaking loudly compared to the other remote users. The local user may then select an icon…
