Systems and methods for pedestrian crossing risk assessment and directional warning
Granted: June 20, 2023
Patent Number:
11682272
Systems and methods are disclosed herein for a pedestrian crossing warning system that may use multi-modal technology to determine attributes of a person and provide a warning to the person in response to a calculated risk level to effect a reduction of the risk level. The system may utilize sensors to receive data indicative of a trajectory of a person external to the vehicle. Specific attributes of the person such as age or walking aids may be determined. Based on the trajectory data…
Style-based architecture for generative neural networks
Granted: June 20, 2023
Patent Number:
11682199
A style-based generative network architecture enables scale-specific control of synthesized output data, such as images. During training, the style-based generative neural network (generator neural network) includes a mapping network and a synthesis network. During prediction, the mapping network may be omitted, replicated, or evaluated several times. The synthesis network may be used to generate highly varied, high-quality output data with a wide variety of attributes. For example, when…
Dynamic allocation of system of chip resources for efficient signal processing
Granted: June 20, 2023
Patent Number:
11682100
In various examples, a signal processing pipeline is dynamically generated or instantiated for a signal processing request. To generate the pipeline, a graph topology—including nodes and edges—may be created to represent features, functionality, and characteristics of a signal processing system. The nodes, representing processing tasks, may be connected via edges having associated costs for performing, by a node, a processing task on an output of a prior or edge-connected node. For a…
Intelligent repurposable cooling systems for mobile datacenter
Granted: June 20, 2023
Patent Number:
11681341
A cooling system for a datacenter is disclosed. An evaporative cooling subsystem provides blown air for cooling the datacenter and a repurposable refrigerant cooling subsystem controls moisture of the blown air in a first configuration and independently cools the datacenter in a second configuration.
Blow-through axial fan for a graphics processing unit
Granted: June 20, 2023
Patent Number:
11681340
A graphics subsystem includes a printed circuit board (PCB), a set of one or more fans, and a heat sink. A graphics processing unit (GPU) is integrated into the PCB. The PCB is shortened to occupy a portion of the width of the graphics subsystem. The heat sink is coupled to the PCB and/or GPU and configured to extend beyond an edge of the PCB, thereby occupying a larger portion of the width of the graphics subsystem compared to the PCB. A first fan is disposed partially or fully beyond…
Automatic coalescing of GPU-initiated network communication
Granted: June 13, 2023
Patent Number:
11677839
Apparatuses, systems, and techniques are directed to automatic coalescing of GPU-initiated network communications. In one method, a communication engine receives, from a shared memory application executing on a first graphics processing unit (GPU), a first communication request assigned to or having a second GPU as a destination to be processed. The communication engine determines that the first communication request satisfies a coalescing criterion and stores the first communication…
Audio noise determination using one or more neural networks
Granted: June 13, 2023
Patent Number:
11678120
Apparatuses, systems, and techniques are presented to reduce noise in audio. In at least one embodiment, one or more neural networks are used to determine a noise signal in one or more speech signals.
Real-time detection of lanes and boundaries by autonomous vehicles
Granted: June 13, 2023
Patent Number:
11676364
In various examples, sensor data representative of an image of a field of view of a vehicle sensor may be received and the sensor data may be applied to a machine learning model. The machine learning model may compute a segmentation mask representative of portions of the image corresponding to lane markings of the driving surface of the vehicle. Analysis of the segmentation mask may be performed to determine lane marking types, and lane boundaries may be generated by performing curve…
Techniques for anisotropic texture filtering using ray cones
Granted: June 13, 2023
Patent Number:
11676326
One embodiment of a method for computing a texture color includes tracing a ray cone through a graphics scene, determining at least one axis of an ellipse formed by the ray cone intersecting a plane associated with geometry within the graphics scene at a hit point, computing one or more gradients along the at least one axis of the ellipse, and computing a texture color based on the one or more gradients and a texture.
Online sensor calibration for autonomous vehicles
Granted: June 13, 2023
Patent Number:
11676307
According to an aspect of an embodiment, operations may comprise capturing, at a vehicle as the vehicle travels, LIDAR scans and camera images. The operations may further comprise selecting, at the vehicle as the vehicle travels, a subset of the LIDAR scans and the camera images that are determined to be useful for calibration. The operations may further comprise computing, at the vehicle as the vehicle travels, LIDAR-to-camera transformations for the subset of the LIDAR scans and the…
Shape fusion for image analysis
Granted: June 13, 2023
Patent Number:
11676284
Various types of image analysis benefit from a multi-stream architecture that allows the analysis to consider shape data. A shape stream can process image data in parallel with a primary stream, where data from layers of a network in the primary stream is provided as input to a network of the shape stream. The shape data can be fused with the primary analysis data to produce more accurate output, such as to produce accurate boundary information when the shape data is used with semantic…
Method for efficient grouping of cache requests for datapath scheduling
Granted: June 13, 2023
Patent Number:
11675704
In a ray tracer, a cache for streaming workloads groups ray requests for coherent successive bounding volume hierarchy traversal operations by sending common data down an attached data path to all ray requests in the group at the same time or about the same time. Grouping the requests provides good performance with a smaller number of cache lines.
Path detection for autonomous machines using deep neural networks
Granted: June 13, 2023
Patent Number:
11675359
In various examples, a deep learning solution for path detection is implemented to generate a more abstract definition of a drivable path without reliance on explicit lane-markings—by using a detection-based approach. Using approaches of the present disclosure, the identification of drivable paths may be possible in environments where conventional approaches are unreliable, or fail—such as where lane markings do not exist or are occluded. The deep learning solution may generate…
Accuracy of global navigation satellite system based positioning using high definition map based localization
Granted: June 13, 2023
Patent Number:
11675092
A vehicle, for example, an autonomous vehicle receives signals from a global navigation satellite system (GNSS) and determines accurate location of the vehicle using the GNSS signal. The vehicle performs localization to determine the location of the vehicle as it drives. The autonomous vehicle uses sensor data and a high definition map to determine an accurate location of the autonomous vehicle. The autonomous vehicle uses accurate location of the vehicle to determine RTK corrections…
Removal of ephemeral points from point cloud of a high-definition map for navigating autonomous vehicles
Granted: June 13, 2023
Patent Number:
11675083
An autonomous vehicle system removes ephemeral points from lidar samples. The system receives a plurality of light detection and ranging (lidar) samples captured by a lidar sensor. Along with the lidar samples, the system receives an aligned pose and an unwinding transform for each of the lidar samples. The system determines one or more occupied voxel cells in a three-dimensional (3D) space using the lidar samples, their aligned poses, and their unwinding transforms. The system…
Extensible dictionary for game events
Granted: June 13, 2023
Patent Number:
11673061
A game-agnostic event detector can be used to automatically identify game events. Event data for detected events can be written to an event log in a form that is both human- and process-readable. Descriptive text for the event data can come from a common event dictionary that is hierarchical in nature, such that events of the same type can be correlated across different games even though the precise nature or appearance of those events may be different. The event data can be used for…
Performing testing utilizing staggered clocks
Granted: June 6, 2023
Patent Number:
11668750
During functional/normal operation of an integrated circuit including multiple independent processing elements, a selected independent processing element is taken offline and the functionality of the selected independent processing element is then tested while the remaining independent processing elements continue functional operation. To minimize voltage drops resulting from current fluctuations produced by the testing of the processing element, clocks used to synchronize operations…
Fault injection architecture for resilient GPU computing
Granted: June 6, 2023
Patent Number:
11669421
Unavoidable physical phenomena, such as an alpha particle strikes, can cause soft errors in integrated circuits. Materials that emit alpha particles are ubiquitous, and higher energy cosmic particles penetrate the atmosphere and also cause soft errors. Some soft errors have no consequence, but others can cause an integrated circuit to malfunction. In some applications (e.g. driverless cars), proper operation of integrated circuits is critical to human life and safety. To minimize or…
Object pose estimation
Granted: June 6, 2023
Patent Number:
11670001
In an embodiment, a system provides object tracking and 6D pose estimations to a robot that performs different tasks such as manipulation and navigation. In an embodiment the 6D object pose is determined using a Rao-Blackwellized particle filtering framework, where the 3-D rotation and the 3-D translation of the object is decoupled. In an embodiment, the system provides the 3-D translation of an object along with a full distribution over the 3-D rotation. In an embodiment, the 3-D…
Using previously rendered scene frames to reduce pixel noise
Granted: May 30, 2023
Patent Number:
11663701
This disclosure presents a method and computer program product to denoise a ray traced scene. An apparatus for processing a ray traced scene is also disclosed. In one example, the method includes: (1) generating filtered scene data by filtering modified scene data from original scene data utilizing a spatial filter, and (2) providing a denoised ray traced scene by adjusting the filtered scene data utilizing a temporal filter. The modified and adjusted scene data can be sent to a…
