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2774 results about "Identicon" patented technology

An Identicon is a visual representation of a hash value, usually of an IP address, that serves to identify a user of a computer system as a form of avatar while protecting the users' privacy. The original Identicon was a 9-block graphic, and the representation has been extended to other graphic forms by third parties.

High-precision instrument assembly fault backtracking method and system

The invention discloses a high-precision instrument assembly fault backtracking method and system, belongs to the field of precision manufacturing, and aims to solve the problems that in a traditional backtracking method, assembly data are scattered and unreliable, fault root positioning is fuzzy, and new scene adaptation depends on a large amount of data. The method comprises the following steps: collecting assembly structured data, video images and environment data in a multi-source manner, filtering out low-quality images, and distributing unique identifiers for products; fusing the multi-modal data to generate a depth feature matrix; constructing an anomaly detection model to output a risk score and a label; hashing the data and then storing the data into a product exclusive private block chain; when a fault occurs, extracting data on the chain through a unique identifier, reconstructing an assembly process by using a graph neural network, and comparing a standard positioning root; and based on the fault report incremental training model, parameters are optimized in combination with meta-reinforcement learning. According to the method, the data authenticity is guaranteed, the fault backtracking precision and efficiency are improved, a new scene is quickly adapted, the production rework rate is reduced, and the stable assembly quality is maintained.
Owner:XIAMEN ZONGNENG INSTR CO LTD

Interactive analysis of multifaceted security threats within a compute environment

Data platforms described herein are configured to monitor a compute environment and facilitate interactive analysis of multifaceted security threats within the compute environment. Such a data platform may determine that one or more assets within the compute environment are possibly being targeted by a multifaceted security threat and present an interactive user interface. The user interface may be configured to display an identifier indicative of the multifaceted security threat, a set of selectable evidence items each associated with a different facet of the multifaceted security threat and assessed based on the monitoring of the compute environment, and a presentation pane for displaying information. As such, the data platform may detect a selection of a particular evidence item from the set of selectable evidence items and, in response to the selection, populate the presentation pane with information related to the particular evidence item. Corresponding methods, systems, and products are also disclosed.
Owner:FORTINET INC

Pre-prompt and prompt engineering for language generation

A method of automatic pre-prompt generation includes receiving at least one user preference from a user device, modifying a system prompt for a machine-learning language model based on the received at least one user preference to generate a modified system prompt, providing the modified system prompt as an initial input to the machine-learning language model, receiving a natural-language text prompt provided by the user to a chat application on the user device, receiving a user identifier from the user device, querying a first database with the user identifier to retrieve first information, generating a representation of the first information and the natural-language prompt, querying a second database using the representation to retrieve second information, and generating a modified text prompt based on the natural-language prompt, the first information, and the second information.
Owner:INSIGHT DIRECT USA INC

Generating structured documents with traceable source lineage

Systems and methods disclosed herein are enabled to dynamically generate structured documents using one or more artificial intelligence models. A computing device receives an output generation request and uses a first AI model to retrieve data chunks from source documents and applicable templates. A second AI model ranks the retrieved chunks based on one or more metrics, such as vector similarity, keyword density, and temporal relevance. A third AI model subsequently generates a response using the ranked chunks, templates, and predefined operational boundaries for each chunk. The generated response is tagged with source identifiers to enable the traceability of the response back to corresponding chunks. The system transmits, via the computing device, the response, the retrieved chunks, and / or the source identifiers.
Owner:CITIBANK N A

Vehicle knowledge question-answering method based on GraphRAG method and computer equipment

The invention discloses a vehicle knowledge question-answering method based on a GraphRAG method and computer equipment, and the method comprises the steps: building a document tree structure based on the title hierarchy of a vehicle knowledge document, distributing a text identifier, and adding metadata information; converting the stored text units into text unit vectors by adopting a vector embedding model, and establishing a text vector index; calculating a similarity score between the query vector and the text unit vector, and determining a traditional RAG path text unit based on the similarity score; identifying entities and entity relationships of the text units according to the entity types and the relationship types by adopting a large language model so as to generate a vehicle knowledge graph; performing multi-level community division on the vehicle knowledge graph by adopting a Leiton community detection algorithm, and generating a structured community abstract according to each level of community; determining a GraphRAG path community abstract by adopting a large language model; and fusing the community abstract of the GraphRAG path with the text unit of the traditional RAG path and generating an answer.
Owner:FAW VOLKSWAGEN AUTOMOTIVE CO LTD

Ai agent interfaces and controls for email and other electronic communications

Systems and methods are provided for managing AI (Artificial Intelligence) agents interactions with electronic communications that are displayed at an electronic communications interface, such as an email interface. The systems parse electronic communications to determine whether they correspond to new or existing requests and actions to be performed when responding to the request(s). The systems also generate notifications identifying the set of actions with visual identifiers that visually distinguish the set of actions based on whether they have been completed or not and whether they need authorization to be completed. The systems also display selectable controls for controlling how the AI agent performs the actions.
Owner:MICROSOFT TECHNOLOGY LICENSING LLC

Privacy protection for a-iot device identifiers

An apparatus and system for privacy protection for Ambient Internet-of-Things (A-IoT) devices are disclosed. A-IoT devices transmit obfuscated identifiers (OIDs) instead of actual identifiers, which are de-obfuscated by the network to retrieve the original identifiers. The device identifiers are obfuscated using shared secret parameters and periodically updated configurations. Hash-based lightweight privacy mechanisms, temporary identifiers (TempIDs), and pseudonym generation may be used to ensure secure communication and prevent replay attacks.
Owner:INTEL CORP

Tool for providing contextual data for natural language queries

Techniques and systems are described that perform automated identification and retrieval of contextual information for quick and accurate processing of user queries by artificial intelligence generative models. The techniques include receiving a natural language (NL) query associated with a user identifier (ID) and obtaining, using a first NL generative model, contextual data that is pertinent to the NL query and is associated with the user ID. The techniques further include generating an augmented NL query that is based on the NL query and the contextual data. The techniques include communicating the augmented NL query to a recipient that includes the first NL generative model, a second NL generative model, or a user session associated with the user ID.
Owner:TWILIO INC

Multi-agent interaction TOKEN compression strategy method and system based on LLMLINGUA

The invention discloses a multi-agent interaction TOKEN compression strategy method and system based on LLMLINGUA, and belongs to the technical field of artificial intelligence and natural language processing. Aiming at the problems of high communication load and difficulty in semantic recovery caused by high-frequency interaction in a multi-agent system, the invention adopts the following technical scheme: inputting text data, and performing word segmentation and semantic analysis to form a low-dimensional semantic vector; dynamically selecting a compression strategy type according to semantic density and serial number density characteristics; the LLMlingua module is used for carrying out depth coding to generate a low-dimensional semantic identifier; storing the identifier in a dynamic reference library and distributing a unique reference code; reference codes and context information are transmitted among the intelligent agents; self-adaptive grouping is achieved through cosine similarity calculation, similar group debate is skipped, and debate between different groups is triggered; the modules are integrated to a multi-agent system. According to the method, the communication load and calculation overhead are remarkably reduced, semantic high-fidelity restoration is guaranteed, and the system response efficiency is improved.
Owner:ARTIFICIAL INTELLIGENCE INNOVATION RES INST OF ZHEJIANG UNIV OF TECH BINJIANG DISTRICT HANGZHOU

Displaying images in chatbot responses

In various examples, systems and methods are disclosed relating to displaying images in chatbot / NPC / virtual agent / digital avatar / etc. responses. A system can identify text corresponding to an image in an electronic document and can store a representation of the text in association with an identifier of the image. The system can receive an input prompt for a machine-learning model. The system can generate a response to the input prompt using the machine-learning model. The response can include the image responsive to identifying the representation of the text using a searching function and an output of the machine-learning model.
Owner:NVIDIA CORP

Large language model illusion detection method and system based on adaptive sampling strategy

The invention discloses a large language model illusion detection method and system based on an adaptive sampling strategy, and the method comprises the steps: carrying out the word segmentation and coding of a to-be-detected text and each sampling text, obtaining the respective token identifiers, carrying out the splicing, obtaining a plurality of text pair sequences, and carrying out the coding processing, and obtaining the coding results of a plurality of text pairs; the coding results of the text pairs are input into a consistency evaluation model to be processed, and consistency scores of the multiple text pairs are obtained; and obtaining an embedded vector of a to-be-detected text, calculating statistical information of consistency scores of the plurality of text pairs, inputting the embedded vector and the statistical information into the sampling decision model for decision making, determining whether to perform sampling again, if so, performing sampling again, and if not, obtaining a hallucination detection result based on the consistency scores. A sampling decision is innovatively designed after consistency scoring, and the sampling decision realizes adaptive sampling and scoring in the illusion detection process by means of a near-end strategy gradient optimization training sampling decision model in reinforcement learning.
Owner:SHANDONG UNIV

Visual track tracing method and system for risk checking task

The invention relates to the field of risk data visual tracing, and provides a visual track tracing method and system for a risk checking task, and the method comprises the steps: analyzing a heterogeneous data stream, separating a source metadata set, calculating an original structure entropy fingerprint, intercepting an end feature, embedding a global tracking identifier, and generating a packaging data package; generating transformed service data by using dynamic byte code instrumentation, constructing a runtime execution context and a differential snapshot, and transmitting an instantiated track node object according to a shunt delivery strategy; mapping and instantiating the logical topology execution graph based on the Hash fragments, and marking a pollution state and generating a total element execution link graph when the logic topology execution graph is abnormal; the method comprises the steps of generating a topology summary data packet, rendering a real-time state view, responding to physical interaction operation to construct a retrieval request data packet, reconstructing a full-amount service load through topology backtracking and reverse data evolution, and generating an attribution view in combination with static codes and rule description. According to the method, a dynamic trajectory tracing and full-link risk visualization mechanism of massive heterogeneous data is constructed.
Owner:NANJING XUANCE INTELLIGENT TECH CO LTD +1

Multi-mode audio and video synchronous processing method and system based on distributed architecture

The invention relates to the technical field of computers, and discloses a multi-mode audio and video synchronous processing method and system based on a distributed architecture. The method comprises the following steps: generating a unique logic sequence identifier consisting of a device code, a media type and a frame number for each frame of audio and video data; distributing the frame carrying the identifier to a distributed node for processing and adding a local timestamp; and the sink node reconstructs an original frame sequence according to the identifier, calculates a synchronous offset by combining high-precision clock calibration, and realizes dynamic reordering and output through a double-buffer structure and a self-adaptive drift compensation algorithm. The system comprises a source end acquisition module, an identifier generation module, a task scheduling module, a distributed processing cluster module, a convergence synchronization module and a synchronous output module. According to the scheme, the system effectively guarantees the audio and video synchronization precision in a high-concurrency heterogeneous environment, the synchronization error is controlled within 20 milliseconds, and the playing quality and the user experience of scenes such as live broadcast and cloud games are remarkably improved.
Owner:SHENZHEN HAIWEI HENGTAI INTELLIGENT TECH CO LTD

Large model cue word construction method and device, equipment, medium and program product

The invention relates to the technical field of artificial intelligence, and provides a large model cue word construction method and device, equipment, a medium and a program product, and the method comprises the steps: extracting query content and a business scene identifier from a user request; based on the business scene identifier, matching a target cue word template from a cue word template database; and based on the intention category identifier associated with the query content and the target cue word template, constructing a large model cue word. According to the large model cue word construction method provided by the invention, the target cue word template is matched from the cue word template database based on the business scene identifier, and the large model cue word is constructed in combination with the intention category identifier associated with the query content, so that the adaptive large model cue word can be dynamically constructed according to the real-time user intention and the business scene, and the user experience is improved. The method has high flexibility, and meanwhile, through scene adaptation and intention accurate guidance, the prompt words can be constructed in a unified and dynamic manner by multiple services, and the expansibility and adaptability of service processing are improved.
Owner:CHINA MOBILEHANGZHOUINFORMATION TECH CO LTD +1

First screen acceleration method and device for parallel prefetching and rendering of multiple components of home page and storage medium

The invention discloses a home page multi-component parallel prefetching and rendering first screen acceleration method and device and a storage medium, and the method comprises the following steps: constructing a global dependency relationship model based on the metadata and dependency relationship of each component of a home page, and calculating the priority for each component according to a predefined priority evaluation strategy, generating a component scheduling sequence constrained by the priority and the dependency relationship; controlling a concurrency control strategy of the component; preferentially rendering a visual placeholder structure, and smoothly replacing the real content to a user visible area through a progressive rendering replacement strategy; when the variable quantity of the component data exceeds a preset threshold value, triggering an increment updating strategy based on the difference content; generating a cache identifier according to component granularity, reading and writing data in a multi-level cache structure based on the cache identifier, and ensuring data consistency by adopting a background asynchronous verification strategy; and collecting performance indexes in a page rendering process, and adjusting the priority evaluation strategy, the concurrency control strategy and the increment updating strategy according to the performance indexes.
Owner:CHINA SOUTHERN POWER GRID INTERNET SERVICE CO LTD

CPU-Based Computer-Vision Techniques for A Smart Cart System

A smart shopping cart identifies items using cameras and sensors. The cart captures images of items within its storage area and applies machine-learning models, such as a barcode detection model, an OCR model, and an image embedding model, to generate identifier predictions. These predictions are processed using an efficient selection algorithm, which may involve majority voting, weighted voting, or linear regression, to select the most accurate identifier. The cart updates its display and user interface with the identified item. The process may be performed primarily by the CPU to enhance computational efficiency, avoiding the latency associated with GPU data transfer. Additional techniques, such as circular buffers and frame skipping, are employed to further optimize resource usage.
Owner:MAPLEBEAR INC

Using artificial intelligence to generate images of product based on user input

The disclosed technology includes a computer-implemented technique for generating images of physically producible products in response to user input describing a conceptual product. The system receives user input—such as natural language text, speech, or images—via a user interface, configures a prompt for a generative artificial intelligence (AI) system, and generates an image representing a version of the conceptual product with distinct physical attributes. Each version is associated with a unique identifier, enabling selection, modification, and purchase of the conceptual product. The system supports multiple product categories, including jewelry, home décor, and fashion, and extracts physical attributes to determine manufacturability and pricing. User feedback is incorporated to improve AI performance. The invention enables presentation of selectable product versions and initiates manufacturing processes based on user selections, supporting unstructured user input and multiple data modalities.
Owner:ARCADE STUDIO INC

Agent-based modeler using dynamic model-parameter and constraint generation

Techniques for simulating multi-agent interactions within a virtual world in response to generated hypotheses using dynamically retrieved external data are disclosed herein. A computing system can receive instructions including a user input with a seed phrase and provide the user input to a configuration generation model to generate agent traits associated with agents in a virtual world and / or data-source identifiers associated with external data sources. The system can retrieve external data from the external data sources and provide the agent traits and external data to a hypothesis generation model to generate a hypothesis that includes a constraint associated with the external data. The system can instantiate agents that have the agent traits and execute a simulation session consistent with the constraint (e.g., by causing the agents to generate an output set using the hypothesis and question). The system can generate a representation of the output set for analysis.
Owner:AARU INC

Artwork remote authentication system

Apparatus and associated methods relate to an artwork authenticity owner validation system. In an illustrative example, an artwork remote identification system (ARIS) may include an artwork companion chip (ACC) and a certificate of authenticity (COA). The ACC, for example, may be physically attached to an artwork. The ACC and the COA, for example, may each include a unique identifier. For example, a centralized server may be configured to automatically authenticate an ownership of the artwork attached to the ACC by validating the ACC and the COA. For example, the user may scan the COA and then the ACC within a predetermined time limit to gain access to modify an ownership record in an artwork profile of the artwork. Various embodiments may advantageously allow a modification to the ownership information only when the centralized authentication server validates the COA and the ACC within the predetermined time period.
Owner:BLAIR PRESTON

Enhanced retrieval-augmented generation for structured tabular data

Retrieval of structured tabular data in a retrieval-augmented generation (RAG) platform is described. An example method includes receiving a tabular file including structured data, extracting short and long metadata from the file, and generating a dataset agent object using the extracted metadata. A human-readable description is associated with the structured data, and the dataset agent object and metadata are stored in a metadata index. A natural language query is received through a query agent object rendered within a canvas including interconnected agent objects. A dataset agent object is identified based at least in part on metadata filtering using the natural language query and short metadata. A structured query conforming to structured query language syntax is generated using a large language model (LLM) and executed on the structured data. A response including the result set and dataset agent identifier is generated and transmitted to a downstream agent object for further processing.
Owner:AIRIA LLC

Retrieval enhancement generation method and system based on context awareness

ActiveCN121009996ASemantic analysisBiological modelsShardContextual integrity
The invention discloses a retrieval enhancement generation method and system based on context awareness, and relates to the technical field of information retrieval, and the method comprises the following steps: carrying out block processing on a knowledge base document, distributing a unique identifier and a sorting sequence number, and establishing an association relationship between text blocks to save a document structure; constructing a structure index of the document; according to a query request of a user, performing initial retrieval on query content based on the vector similarity to obtain an initial related text block set with the highest relevancy; performing context extension retrieval on the initial related text block set to obtain an extended preamble text block set; and carrying out duplicate removal, merging and reordering processing on the preamble text block set, and adopting a smooth transition technology to obtain a natural text as a retrieval result. Through the technical scheme of the invention, not only is the correlation ensured, but also the context integrity is ensured, the semantic fragmentation problem of a traditional RAG system can be effectively solved, and the retrieval quality is remarkably improved.
Owner:BAR-HEADED GOOSE (HANGZHOU) INTELLIGENT TECHNOLOGY CO LTD

Universal visual perception method for open world based on language guidance

The invention provides a universal visual perception method for an open world based on language guidance, and belongs to the crossing field of computer vision and natural language processing, and the method comprises the steps: generating an initial multi-modal fusion representation, and obtaining the initial multi-modal fusion representation through the collection of a video frame sequence and a language instruction through processing and fusion; then determining a target candidate region, and carrying out matching, screening and optimization based on semantic keywords and visual region features; then generating a target identifier, and allocating a unique identifier to the high-confidence region; a continuous tracking trajectory sequence is formed, and a bounding box is updated and the trajectory is smoothed in combination with an algorithm; when the target disappears, the state vector of the target is temporarily stored, and the tracking identifier is recovered when a similar region appears; optimizing the tracking sequence, and adjusting a bounding box to generate an optimized sequence; and finally, outputting target motion trail, position and state information. Through multi-modal fusion, an optimization algorithm and a recovery mechanism, the open world target identification and tracking effect is effectively improved, and the practical value is high.
Owner:EAST CHINA NORMAL UNIV

Mandatory access control method and device based on process function context

The invention discloses a mandatory access control method and device based on a process function context, and the method comprises the steps: collecting a security context associated with a system call initiated by a target process, so as to generate a standardized object description; mapping the object description into a target function classification identifier, so as to obtain a process function context view of the target process according to the target function classification identifier; constructing a target decision key for access decision based on the current policy era, the qualifier, the function classification identifier, the view identifier of the process function context view and the isolation domain abstract; and querying the multi-level cache according to the target decision key to determine a matched target access decision. Therefore, context-sensitive judgment and cross-component consistency taking the functional context as the center are realized.
Owner:BEIJING METRO INFORMATION DEV CO LTD

Extraction analysis method and system based on semantic expression understanding

The invention belongs to the technical field of semantic recognition, and discloses an extraction analysis method and system based on semantic expression understanding. The method comprises the following steps: performing semantic analysis and feature extraction on an original query statement input by a user in an interactive interface to generate a structured semantic unit; performing interaction scene judgment on the structured semantic unit based on a preset multi-dimensional judgment condition and then outputting a scene identifier; calling a corresponding target intention recognition strategy according to the scene identifier; inputting the structured semantic unit into a domain classification model, and outputting a plurality of candidate intentions and corresponding initial confidence; and determining a target user intention from the candidate intentions based on an interaction clarification result of the user and an intention query rule by using the initial confidence and a preset confidence threshold, and generating a standardized intention recognition result. According to the mode, the user semantics can be deeply understood, the recognition strategy is dynamically adjusted according to the context, and accurate, efficient and sustainable extraction analysis is carried out on the user intention through man-machine cooperation and closed-loop feedback.
Owner:JIWU (BEIJING) TECH CO LTD

Multi-field scientific knowledge base automatic construction method, system, equipment and medium

The invention belongs to the technical field of natural language processing and knowledge engineering, and discloses a method, a system, equipment and a medium for automatically constructing a multi-field scientific knowledge base, and the method comprises the following steps: based on an input identifier list or a field search word, retrieving a full text of a literature, analyzing and converting the full text into a structured text; combining a pre-configured large language model with a field cue word, extracting key information in the structured text, and outputting structured data; the automatic script filters irrelevant, repeated or incomplete structured data according to a pre-configured filtering rule; performing standardization processing on the filtered structured data so as to realize the consistency and comparability of the data; and inserting the standardized structured data into an interactive knowledge base or database, establishing data association, and verifying association logic. The method supports cross-field rapid adaptation, solves the problems of low efficiency and high error rate of a traditional method, and can be widely applied to the fields of biomedicine, material science, synthetic biology and the like.
Owner:TIANJIN INST OF IND BIOTECH CHINESE ACADEMY OF SCI

Parameter advertisement method and apparatus, device, and system

This application discloses a parameter advertisement method and apparatus. An unpacking end advertises a packing end of a feature of a data flow that needs to be packed and an identifier of a compression algorithm, so that the feature of the data flow and the identifier of the compression algorithm are automatically transferred from the unpacking end to the packing end. Therefore, the packing end can determine packing for some data flows and a to-be-used compression algorithm based on the received feature of the data flow and the received identifier of the compression algorithm, so that the packing end can pack a specified data flow by using a specified compression algorithm, and a process in which the feature of the data flow and the identifier of the compression algorithm are manually configured at the packing end is avoided. Therefore, configuration complexity at the packing end is reduced.
Owner:HUAWEI TECH CO LTD

Ai-generated derivative content scaling for merchandise

The present disclosure provides a system for generating artist-governed merchandise derivative works, comprising at least one processor and memory storing instructions that, when executed, cause the system to receive a request associated with source content and a transformation theme for creating a merchandise derivative work, evaluate the request against pre-generation preference data associated with a content authority using a knowledge agent maintaining brand guidelines, generate the merchandise derivative work from the source content according to the transformation theme by applying a generative artificial-intelligence model through an action agent, perform post-generation validation against the brand guidelines, generate a digital identifier based on the merchandise derivative work, and enable distribution through a physical merchandise path for tangible products or a virtual merchandise path for digital assets.
Owner:MUSIC IP HOLDINGS INC

Wiring state determination method and device and storage medium

The invention discloses a method and equipment for determining a wiring state and a storage medium. The method comprises the following steps: receiving target image data containing image information at a wiring position, performing target detection and feature extraction processing on the target image data, automatically identifying a connecting element (a first target) and an identifier (a second target) thereof in an image, and simultaneously extracting an appearance visual feature (a first feature) of the connecting element and an identification code feature (a second feature) of the identifier; and performing topology construction processing based on the obtained target and characteristics to generate topological graph data capable of accurately representing the connection relationship of the electrical devices. And finally, comparing the topological graph data with a preset standard wiring template topological graph, and automatically generating judgment information for indicating whether the wiring connection state is correct or not according to a topological matching result. Therefore, misjudgment caused by artificial fatigue, negligence and experience difference is effectively avoided.
Owner:MIANYANG POWER SUPPLY COMPANY STATE GRID SICHUANELECTRIC POWER

Code conversion system and method based on multiple agents

The invention provides a multi-agent-based code conversion system and method. The method comprises the following steps: preprocessing an input source code; performing block processing on the source code to obtain source code blocks, obtaining variable information and array size information of the blocks corresponding to the source code, and integrating the variable information and the array size information into complete variable information; fusing the code description file, the code blocks of the source codes and the variable information of the blocks corresponding to the source codes to generate target code blocks; debugging and checking the target code blocks in combination with the source code blocks; the code description file is used for guiding the intelligent agent to establish a jumping type relation in the code conversion process, and it is ensured that the generated target code better meets the actual function requirement of hardware; a block identifier is inserted into a long code to divide the long code into a plurality of blocks, so that the limitation on long code conversion is relieved; codes of different styles can be output by simply adjusting the cue word of the intelligent agent; through multiple times of debugging verification, the conversion quality of the target code is ensured.
Owner:HEFEI SUXIN MICROELECTRONICS TECHNOLOGY CO LTD

Trustworthiness of a video data stream

Aspects of a trustworthiness check of a video data stream are described. According to a first aspect, a unique identifier which identifies a media asset to which a portion of a video data stream to be checked on trustworthiness belongs, is included into the trustworthiness check. According to a second aspect, a certificate of a content provider for performing the trustworthiness check is retrieved from a track of editors stored at an external resource. A third aspect provides a method for identifying a portion of a video data stream to be checked on trustworthiness using a digital signature. According to a fourth aspect, a digital signature for checking a portion of a video data stream is retrieved from an external resource.
Owner:FRAUNHOFER GESELLSCHAFT ZUR FORDERUNG DER ANGEWANDTEN FORSCHUNG EV