Using neural networks to perform fault detection in autonomous driving applications
Granted: April 8, 2025
Patent Number:
12271194
In various examples, motifs, watermarks, and/or signature inputs are applied to a deep neural network (DNN) to detect faults in underlying hardware and/or software executing the DNN. Information corresponding to the motifs, watermarks, and/or signatures may be compared to the outputs of the DNN generated using the motifs, watermarks and/or signatures. When a the accuracy of the predictions are below a threshold, or do not correspond to the expected predictions of the DNN, the hardware…
Image signal processing pipelines for high dynamic range sensors
Granted: April 8, 2025
Patent Number:
12273632
A method of compression includes compressing a captured image from a first bit-depth at which it was captured to a second bit-depth that is less than the first bit-depth. The compression comprises applying, according to a power curve, a first compression amount to a first region of the captured image having a first pixel value; and applying, according to the power curve, a second compression amount to a second part of the captured image having a higher second pixel value, wherein the…
Offloading connection management for network resources
Granted: April 8, 2025
Patent Number:
12273260
Approaches in accordance with various illustrative embodiments provide for the management of active connections in a network environment. In particular, various embodiments implement keep alive functionality in components such as network processing units (NPUs) of network devices such as routers and switches, instead of host processors for those devices. When a status message is received, such as a hello message, the NPU can set or refresh a hit bit in a table entry for a given…
Fifth generation (5G) new radio channel equalization
Granted: April 8, 2025
Patent Number:
12273220
Apparatuses, systems, and techniques to perform signal processing operations in a fifth generation (“5G”) radio signal. In at least one embodiment, one or more processors equalize, in parallel, one or more 5G radio signals.
Automatic video montage generation
Granted: April 8, 2025
Patent Number:
12272385
In various examples, users may access a tool that automatically generates video montages from video clips of the user's gameplay according to parameterized recipes. As a result, a user may select—or allow the system to select—clips corresponding to gameplay of the user and customize one or more parameters (e.g., transitions, music, audio, graphics, etc.) of a recipe, and a video montage may be generated automatically according to a montage script output using the recipe. As such, a…
Single and across sensor object tracking using feature descriptor mapping in autonomous systems and applications
Granted: April 8, 2025
Patent Number:
12272152
In various examples, live perception from sensors of a vehicle may be leveraged to generate object tracking paths for the vehicle to facilitate navigational controls in real-time or near real-time. For example, a deep neural network (DNN) may be trained to compute various outputs—such as feature descriptor maps including feature descriptor vectors corresponding to objects included in a sensor(s) field of view. The outputs may be decoded and/or otherwise post-processed to reconstruct…
Scalable semantic image retrieval with deep template matching
Granted: April 8, 2025
Patent Number:
12272148
Approaches presented herein provide for semantic data matching, as may be useful for selecting data from a large unlabeled dataset to train a neural network. For an object detection use case, such a process can identify images within an unlabeled set even when an object of interest represents a relatively small portion of an image or there are many other objects in the image. A query image can be processed to extract image features or feature maps from only one or more regions of…
Tone management using tone gain functions for high dynamic range imaging applications
Granted: April 8, 2025
Patent Number:
12272040
Apparatuses, systems, and techniques to perform effective tone management for image data. In an embodiment, a set of contrast gain curves are generated corresponding to a set of tonal ranges of an input image. An output image may then be generated by at least applying corresponding contrast gain curves to tonal ranges of the input image.
Techniques for efficiently synchronizing multiple program threads
Granted: April 8, 2025
Patent Number:
12271765
Various embodiments include a parallel processing computer system that enables parallel instances of a program to synchronize at disparate addresses in memory. When the parallel program instances need to exchange data, the program instances synchronize based on a mask that identifies the program instances that are synchronizing. As each program instance reaches the point of synchronization, the program instance blocks and waits for all other program instances to reach the point of…
Parallel mask rule checking on evolving mask shapes in optical proximity correction flows
Granted: April 8, 2025
Patent Number:
12271676
Embodiments of the present disclosure relate to parallel mask rule checking on evolving mask shapes in optical proximity correction (OPC) flows for integrated circuit designs. Systems and methods are disclosed that perform mask (manufacturing) rule checks (MRC) in parallel, sharing information to maintain symmetry when violations are corrected. In an embodiment the shared information is also used to minimize changes to the geometric area of proposed mask shapes resulting from the OPC. In…
End-to-end evaluation of perception systems for autonomous systems and applications
Granted: April 8, 2025
Patent Number:
12269488
In various examples, an end-to-end perception evaluation system for autonomous and semi-autonomous machine applications may be implemented to evaluate how the accuracy or precision of outputs of machine learning models—such as deep neural networks (DNNs)—impact downstream performance of the machine when relied upon. For example, decisions computed by the system using ground truth output types may be compared to decisions computed by the system using the perception outputs. As a…
Adapting forward error correction (FEC) or link parameters for improved post-FEC performance
Granted: April 1, 2025
Patent Number:
12267210
Technologies for optimizing post-FEC bit error rate performance of a Forward Error Correction (FEC) system are described. A controller is coupled to an FEC circuit and a receiver circuit. The controller receives FEC symbol error data from the FEC circuit and determines, using the FEC symbol error data, a post-FEC correlated performance metric indicative of an estimated post-FEC BER of the FEC circuit. The controller adjusts, based on the post-FEC correlated performance metric, at least…
Pronunciation features for language models
Granted: April 1, 2025
Patent Number:
12266350
Systems and methods are directed toward evaluating auditory inputs against a range of tolerance to provide feedback regarding pronunciation. An auditory input may be evaluated using a trained machine learning system and evaluated for similarity against a target word. Similarity may be scored and then evaluated to determine whether the similarity falls within a range of tolerance, wherein the range of tolerance may be adjusted or modified for particular uses. A score within the range of…
Real-time detection of lanes and boundaries by autonomous vehicles
Granted: April 1, 2025
Patent Number:
12266148
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…
Training and inferencing using a neural network to predict orientations of objects in images
Granted: April 1, 2025
Patent Number:
12266144
Apparatuses, systems, and techniques to identify orientations of objects within images. In at least one embodiment, one or more neural networks are trained to identify an orientations of one or more objects based, at least in part, on one or more characteristics of the object other than the object's orientation.
Software program error testing for autonomous systems and applications
Granted: April 1, 2025
Patent Number:
12265463
One or more embodiments relate to executing a software testing tool to identify function calls—internal and/or external—of software code and their corresponding errors. Once identified-such as during an information gathering operation-the error codes may be returned in place of actual outputs of the function during testing, and the downstream processing of the software as a result of the errors may be evaluated. As such, an automatic software testing tool may be implemented that not…
Low power and area clock monitoring circuit using a capacitor and constant current sink
Granted: April 1, 2025
Patent Number:
12265416
Circuitry and a method of operating a clock monitoring circuit for monitoring a clock signal is disclosed. The method comprises charging a first capacitor connected to a connection between a first pair of transistors and a voltage reference, charging a second capacitor connected to a connection between a second pair of transistors and to the voltage reference, sinking a current from the first and second pair of transistors with a constant current sink, and asserting a clock slow detect…
Video clip classification using feature vectors of a trained image classifier
Granted: April 1, 2025
Patent Number:
12263403
In various examples, potentially highlight-worthy video clips are identified from a gameplay session that a gamer might then selectively share or store for later viewing. The video clips may be identified in an unsupervised manner based on analyzing game data for durations of predicted interest. A classification model may be trained in an unsupervised manner to classify those video clips without requiring manual labeling of game-specific image or audio data. The gamer can select the…
Gaze determination machine learning system having adaptive weighting of inputs
Granted: March 25, 2025
Patent Number:
12260017
Machine learning systems and methods that determine gaze direction by using face orientation information, such as facial landmarks, to modify eye direction information determined from images of the subject's eyes. System inputs include eye crops of the eyes of the subject, as well as face orientation information such as facial landmarks of the subject's face in the input image. Facial orientation information, or facial landmark information, is used to determine a coarse prediction of…
Displaced micro-meshes for ray and path tracing
Granted: March 25, 2025
Patent Number:
12260486
A Displaced Micro-mesh (DMM) primitive enables high complexity geometry for ray and path tracing while minimizing the associated builder costs and preserving high efficiency. A structured, hierarchical representation implicitly encodes vertex positions of a triangle micro-mesh based on a barycentric grid, and enables microvertex displacements to be encoded efficiently (e.g., as scalars linearly interpolated between minimum and maximum triangle surfaces). The resulting displaced…
