Digital Commons Network^™

Automatic White Temperature Parameters Characterization For New Materials In Additive Manufacturing, Hp Inc

Defensive Publications Series

A standardized procedure makes the characterization of new materials used in

additive manufacturing / 3D printing by automatically calculating white control

parameters suitable for the materials and print modes.

Dynamic And Interactive Wireless Local Area Network Onboarding, Steven Liu, Ning Zhang

Defensive Publications Series

A system for providing a dynamic and interactive wireless local area network access to guest users (i.e., onboarding) may include at least a network authenticator (or host device), a network access requestor (or guest device), and an access point. A request to access the wireless network by a guest device is received by the access point. The access point prompts the guest device to provide identifying information (e.g., passcode, username, key, pin, etc.) which is then routed to the network authenticator. The network authenticator either rejects the request or approves the request and establishes a connection policy for the guest …

Audiovisual Transcriptions For Input Verification Of Voice Queries, Matthew Sharifi, Victor Carbune

Defensive Publications Series

Speech interfaces provide a natural and accessible mechanism allowing users that cannot read to interact with computing devices to perform information-centric tasks. To verify that a spoken query has been understood correctly, devices such as smart displays, smartphones, etc. show users a streaming transcription of the spoken query, obtained using a speech recognition engine. However, text transcription based input verification is not usable by those who cannot read. The techniques described in this disclosure generate and provide an audiovisual transcription of the user’s speech input during and/or after the input, enabling users to verify that the speech input was understood …

A Method To Efficiently Generate Noise For Differential Privacy, Brett Krueger

Defensive Publications Series

Noise for differential privacy is often generated to obfuscate raw statistical results to hide identifies of specific individuals in data. Traditional methods are often inaccurate and/or computationally inefficient. In this work, a software library or program uses a differential privacy noise generator to generate high quality random numbers from the geometric distribution to both accurately and efficiently generate noise for differential privacy.

Welded Case Boss, Douglas David Dierksmeier, Jack Dwane Petty Sr., William Matt Bryant

Defensive Publications Series

No abstract provided.

Scene Metering And Exposure Control For Enhancing High Dynamic Range Imaging, Jinglun Gao, Szepo Robert Hung, Ruben Velarde, Gang Sun

Defensive Publications Series

This publication describes systems and techniques directed to enhancing High Dynamic Range (HDR) imaging by identifying and understanding the lighting environment of a scene for image capture. Natural light (e.g., outdoor sky, sunlight) is identified and differentiated from artificial light (e.g., light-emitting diode (LED), fluorescent, halogen, incandescent lighting) for advanced metering and optimal exposure control. Exposure is adjusted relative to the differentiated lighting for final image capture. Regions of the scene are differentiated by mapping different weights to the dynamic range detected. This comprehensive understanding of the scene captures the most important region of interest (e.g., from the viewer’s perspective) …

Interactive Recommendation Engine For Conversational Recommendations, Anonymous

Defensive Publications Series

The task of a traditional recommendation engine generally ends when it returns a list of possible answers to a user’s query, even if the user finds the answers unhelpful. Such a paradigm is incompatible with modern virtual assistants, where a user might request to filter, control, and modify results in an interactive conversational flow that is based on user context. This disclosure describes a conversational recommendation engine that provides an explanation of the recommendations provided to the user, proactively offers the user options to find better recommendations, asks personalized follow-up questions to ease the interaction, and enables the user to …

Contextual Haptics For Wearable Devices, Jianxun Wang, Debanjan Mukherjee, Chun Yat Frank Li, Andrew Viny, Haechang Lee

Defensive Publications Series

Haptic feedback is an important feature for wearable devices such as watches, fitness bands, etc. Current techniques to provide hardware feedback either cannot generate specially customized haptic feedback, or are limited to predefined haptic effects, and are limited by the battery and peak power draw available on a wearable device.

This document describes context-aware haptics that take into account the user state while using the wearable device. With permission from the user, the user state or activity, e.g., sitting, walking, running, etc. is detected by analyzing sensor readings from inertial measurement unit (IMU) sensor(s) that are included in the wearable …

Optimizing Wlan Access Point Scans For Voims, Chinmay Dhodapkar, Amruth Ramachandran

Defensive Publications Series

WLAN-to-WLAN handover decisions and WLAN-to-WWAN handover decisions for a portable user device conducting a VoIMS call typically are based on a scan list that lists identified WLAN APs and their detected signal quality characteristics. The conventional approach of periodically updating the scan list can result in an out-of-date listing of available WLAN APs and their signal quality characteristics, which can result in sub-optimal handover decisions and thus a sub-optimal voice call experience. The handover decision process is improved by using other triggers to initiate an updated WLAN AP scan, including using activation of a dialer GUI or other indication that …

Securing Connected And Autonomous Electric Vehicle (Caev) Fleets By Enforcing Authorized Charging, Yaron Sella

Defensive Publications Series

Provided herein are techniques for using charging events of connected, autonomous and electric vehicles (CAEVs) as an enforcement point in which an owner/operator of a vehicle gives authorization to the vehicle to proceed with the charging, and hence continue operating normally. Such techniques can be utilized for fleets of CAEVs.

Using Zero-Result Serps To Teach Users To Search, Sanjit Jhala, Reza Dorrigiv, Karen Lostritto, Krishnan Subramaniam, Rhut Vasavada

Defensive Publications Series

In certain locales, search-query diversity is poor despite substantial search traffic and/or rapid traffic growth. Consequently, in such locales, the full utility of a search engine remains unknown or unleveraged by the user base. This disclosure describes techniques to provide example search queries along with zero-result search engine result pages (SERPs). The example queries can include queries that are popular in the locale, queries that are contextually relevant to the user’s initial query, etc. The search examples provide user education for the use of a search engine and the possibilities of search, resulting in greater user engagement and retention.

Trip Booking Based On Conditional Rules For External Factors, Vivek Singh

Defensive Publications Series

Travel booking systems do not currently permit automated travel booking and/or alerts for manual booking that are based on monitoring relevant external factors such as weather. This disclosure describes techniques to enable automated conditional travel bookings. Such automated travel booking can be based on evaluating one or more conditions that the user has set. The user-specified conditions can include relevant external factors, such as the weather.

Virtual Camera Image Processing, Horacio Hernan Moraldo

Defensive Publications Series

This publication describes techniques for implementing virtual camera image transformations. It can be difficult to properly position cameras to capture certain types of photographs, particularly pictures intended to include the photographer (often referred to as “selfies”). Even with the use of assistive devices, such as “selfie sticks,” these types of photographs often exhibit a characteristic, unnatural look due to suboptimal camera orientation and/or focal length (since the relative distance from the lens and the field of view of that lens affect the look of the subjects within the image). Disclosed in this publication is a virtual camera image processor capable …

Line Rate Hardware Flow Telemetry Architecture On Fibre Channel Application-Specific Integrated Circuit, Harsha Bharadwaj, Vasuki H. A, Rajesh L. G

Defensive Publications Series

Techniques are provided herein for offering line rate flow telemetry on all ports of a Fibre Channel (FC) switch by implementing a bidirectional flow correlation engine inside an FC switching Application-Specific Integrated Circuit (ASIC). This enables a specialized set of flow analytics solutions to be implemented using machine learning models. These models may be trained with full flow visibility, including every outlier, and may have very high prediction accuracy. This may enable building of a switch integrated solution for this use case without involving external appliances.

Portable Airborne Hazard Warning System, Kavinaath Murugan, Aaditya Kandibanda

Defensive Publications Series

Exposure to air pollution and other airborne hazards contributes to respiratory and cardiovascular issues, diseases, allergies, and premature death for tens of millions of people each year. Poor air quality can also impair the enjoyment of indoor and outdoor activities. As a result, there is a need to monitor air quality in real-time and warn people of any local hazards.

This publication describes systems and techniques for portable electronic devices, such as smartphones, tablets, laptops, and smartwatches, to measure and analyze local air quality. For example, a portable electronic device detects potential airborne hazards using a volatile-organic-compound (VOC) sensor and/or …

Intelligent Electric Sound System - Method And Control Device For Influencing An Artificial Sound Actuator Exterior Noise Of An Electric Vehicle, Verena Blunder

Defensive Publications Series

No abstract provided.

Airborne Transport Network For Passants, Verena Blunder

Defensive Publications Series

No abstract provided.

Virtual Ambient Lighting For User-Interface Elements, Nick Bearman

Defensive Publications Series

This publication describes systems and techniques to adaptively apply virtual ambient lighting to user-interface (UI) elements on a portable electronic device. Portable electronic devices, such as smartphones, include a UI with passive elements and interactive elements. The UI generally presents elements, including interactive elements, as flat, two-dimensional objects. Because the UI does not intuitively differentiate interactive elements from passive elements, a user must rely on prior experience or trial-and-error to identify the interactive elements. This publication discloses a portable electronic device that captures and analyzes the lighting environment around the user of the device and displays onscreen elements as part …

Learning An Image Enhancement Pipline, Hp Inc

Defensive Publications Series

An agent infers an optimal set of parameters for a set of selected enhancement

transformations for each specific image and allows an image pipeline to be learns without

having any prior knowledge of the target or ground truth images.

Dynamic Sensed Media Type Optimization, Hp Inc

Defensive Publications Series

The printer's media type sensor is used to identify print media sub-types within

a given type of print media specified by the user, and automatically set print engine

parameters optimized for the identified sub-type in order to optimize the resulting print

quality.

Lightweight Representation Of Multi-Origin Web Content, Ian Vollick, Calder Kitagawa, Robert Kroeger, Yaron Friedman, Sam Birch, Yusuf Ozuysal

Defensive Publications Series

Certain features such as browser tab previews, low-memory frame representations, etc., use low-fidelity snapshots of webpages. Low-fidelity snapshots can be created by rasterizing the webpage or by converting it to PDF format. Screenshots can use substantial memory, lose the hyperlinks on a page, and do not provide the ability to scroll and zoom without pixelation artifacts. Typical print-to-PDF applications do not support scrolling screenshots and sub-frames.

This disclosure describes techniques to record content of the frames of a webpage, including multi-origin iframes, such that each frame (or sub-frame) of a webpage can be scrolled independently. For security, hyperlink information, e.g., …

Machine Readable Link Experiences Using Supplementary Objects, Hp Inc

Defensive Publications Series

The core novelty presented here is to use deterministic machine readable links to locate

additional supplementary machine readable objects. Leverages both deterministic and

probabilistic links through a discovery based mechanism. Combines all the experiences to

create a final experience for the user who is scanning.

Spatially And Temporally Directed Noise Cancellation Using Federated Learning, Shantanu Goel, Piyush T. Itankar

Defensive Publications Series

Machine learning models can be trained to cancel noise of diverse types or spectral characteristics, e.g. traffic noise, background chatter, etc. Such models are trained by feeding training data that includes labeled noise waveforms, which is an expensive and time-consuming procedure. Further, the effectiveness of such machine learning models is limited in canceling types of noise absent from training data. Trained models occupy significant amounts of memory which limits their use in consumer devices. This disclosure describes the use of federated learning techniques to train noise canceling models locally at diverse device locations and times. With user permission, the trained …

Adaptive Remote Execution, Victor Carbune, Alexandru Damian

Defensive Publications Series

This publication describes systems and techniques for adaptive remote execution of computing tasks from a mobile computing device, such as a smartphone. The computing resources required by applications (and/or computation blocks thereof) can vary significantly due to workload and other factors. Execution of resource-intensive computation blocks can quickly drain battery power and overwhelm limited on-device resources, resulting in poor user experience. In some circumstances, offloading compute tasks through low-latency, high-speed networks can be advantageous. The described systems and techniques determine optimal offload decisions for respective compute blocks; the decisions may be adapted to current conditions (e.g., network connectivity, network reliability, …

Cyber Tool With Vulnerability Scanner, Hp Inc

Defensive Publications Series

This disclosure relates to the field of networking and describes how network troubleshooting can be done

faster by detecting the network issues in few minutes. Also, to make sure the systems that are connected

to the network e.g. servers, switches, etc don’t have any vulnerability assigned to them in order to reduce

the risk of cyber-attacks.

Obtaining Query Examples For Virtual Assistant Actions Using Search Logs, Asaf Zomet, Tomer Shmiel, Dvir Keysar, Amitai Cohen

Defensive Publications Series

A user’s interaction with a virtual assistant typically involves the issuance of commands to perform certain actions, e.g., “play Mozart,” “turn on the lights every night,” etc. To execute actions accurately, a virtual assistant is trained to understand or detect action intent. This disclosure describes techniques to obtain a wide variety of query examples, with user permission, to train a virtual assistant to understand action intents. Information-seeking queries submitted to a search engine are transformed into action intents, e.g., commands, based on the grammar of the language of the search-engine query. The techniques are especially useful when launching new features, …

Restricted Device Data Sanitization And Randomization, Mikhail Mooney

Defensive Publications Series

Presented herein is a Trusted Access Platform (TAP) that assists customers with highly restricted data access to solve their business critical challenges. The TAP sanitizes, anonymizes, and randomizes data from network devices, provides deeper analytics visibility into customer networks, mitigates severe outages and improve operational efficiencies through differentiated dashboards.

Bound Object Hierarchy Service, Ben Ryder, Herve Muyal, Pablo Garcia Del Valle, Frank Van Lingen, Marcelo Yannuzzi, Frank Michaud, Anuj Jain

Defensive Publications Series

Presented herein is a hierarchical representation of uniquely identified objects within the physical world, referred to as a “Bound Object Hierarchy Service.” The Bound Object Hierarchy Service enables the synchronous shared view and creation of digital twins among coordinating entities. The system enables the representation and policy based access to objects, mapped from the physical world, that would typically be considered to follow a “bound within” hierarchy. The digital custody and ownership of the physical objects can autonomously change over time within the system (e.g., as an object passes along a supply chain, determined via sensors within the environment and …

Providing Responses To Local-Intent Queries From Web Results, N/A

Defensive Publications Series

Local search engines use stored structured data to answer user queries relating to businesses and other places of interest in specific locations. When such structured data is unavailable, a local search engine cannot provide useful responses to user queries. This disclosure describes techniques to provide responses to local-intent queries based on snippets from web results. Responses are provided that include attributes such as phone number, address, etc. of local businesses, and businesses within specified categories (e.g., restaurants, repair shops, etc.).

System For Faulty Battery Identification And Control, James Robert Lim, Jesse Liang, Wilson Tang, Rob Oliver, Aaron Chen, Ravi Soma

Defensive Publications Series

This publication describes systems and techniques to identify a faulty battery pack in a portable electronic device. Portable electronic devices, such as video game controllers and smartphones, are often powered by rechargeable lithium-ion or lithium-ion polymer battery packs. These battery packs must comply with various safety standards and regulations. As one example, one industry standard requires identification of a faulty battery pack and termination or non-initiation of battery charging. In some portable electronic devices, compliance with this standard (and other standards and regulations) requires additional or specialized hardware components that increase the cost of the electronic device and take up …