Abstract: Systems and methods for analyzing user behavior patterns to detect compromised computing devices in an enterprise network are provided. According to one embodiment, an enforcement engine running on a network security device, identifies top users of a network exhibiting a suspicious behavior relating to login failures by determining a first set of users having a number of login failure events during a given time duration exceeding a threshold. The enforcement engine identifies from the first set of computers associated with the top users, a second set of computers exhibiting a suspicious behavior relating to new connections exceeding a threshold. The enforcement engine classifies a third set of computers, representing a subset of the second set exhibiting a suspicious behavior relating to consecutive new connections, as compromised source computers when their respective new connections are in a sequence that results in a Shannon entropy measure exceeding a threshold.

Abstract: Described herein is a discovery Platform Technology for analyzing a drug-induced toxicity condition, such as cardiotoxicity via model building.

Abstract: The embodiment of the present disclosure provides a method, an apparatus, an electronic device, and a storage medium for predicting user attribute. The method comprises acquiring an input of demographic-related information; determining features corresponding to the input of the demographic-related information and a weight corresponding to each feature, where the features comprise a single feature corresponding to each input of the demographic-related information, and/or a cross feature between the at least two single features; predicting user attribute according to each feature and its corresponding weight. Based on the solution provided by the embodiment of the present disclosure, the accuracy on the prediction of the user attribute can be effectively improved.

Abstract: A system and approach for storing factors in a quadratic programming solver of an embedded model predictive control platform. The solver may be connected to an optimization model which may be connected to a factorization module. The factorization module may incorporate a memory containing saved factors that may be connected to a factor search mechanism to find a nearest stored factor in the memory. A factor update unit may be connected to the factor search mechanism to obtain the nearest stored factor to perform a factor update. The factorization module may provide variable ordering to reduce a number of factors that need to be stored to permit the factors to be updated at zero floating point operations per unit of time.

Abstract: An image processing apparatus is configured to perform processing of detecting an object by using a predetermined number of sample points referred to as particles, the processing including: executing a detection processing configured to calculate a weight for each of the particles, and detect the object by using the calculated weights; and executing a resampling processing configured to assign a particle number to each of the predetermined number of particles, calculate, for each particle, a comparative value by multiplying an average of the weights of the predetermined number of particles by the particle number, calculate, for each particle, a cumulative weight by adding the particle's own weight to the weights of all the particles assigned with the respective particle numbers smaller than the particle's own particle number, and perform a reselection process that executes reselection on the particles of all the particle numbers.

Abstract: Methods and apparatus are disclosed to generate a recommendation, including an attribute vector aggregator to form a resultant attribute vector based on an input set of attribute vectors, the set of attribute vectors containing at least one of a media attribute vector, an attendee attribute vector, an artist attribute vector, an event attribute vector, or a venue attribute vector, and a recommendation generator, the recommendation generator including: a vector comparator to perform a comparison between an input attribute vector and other attribute vectors and a recommendation compiler to create one or more recommendations of at least one of media, an artist, an event, or a venue based on the comparison.

Abstract: Provided is a vehicle including: a camera provided on the vehicle to have an external view of the vehicle and acquiring image data; a radar provided in the vehicle to have an external sensing field of view of the vehicle and obtaining radar data; and a controller including at least one processor for processing image data acquired by the camera and radar data acquired by the radar, and wherein when an attempt to change the lane of the vehicle is detected, the controller may detect other vehicle on the side of the lane to be changed based on the radar data, determine whether a collision with the other vehicle is possible based on driving information received from the other vehicle through a communication module of the vehicle, and transmit a warning signal for controlling the warning system of the vehicle to the vehicle in case of a collision with the other vehicle is expected.

Abstract: A method of generating a second neural network model according to an example embodiment includes: inputting unlabeled input data to a first neural network model; obtaining prediction results corresponding to the unlabeled input data based on the first neural network model; and generating a second neural network model based on the prediction results of the first neural network model and a degree of distribution of the prediction results.

Abstract: Aspects of the present invention provide an approach for exposing payloads from non-integrated machine learning systems. A generic binding identifier is established to represent a machine learning (ML) system among a set of non-integrated learning systems. A generic subscription identifier is established to represent a deployed model in the ML system. Payload data including a user request, a response, the generic binding identifier, and the generic subscription identifier are received from the ML system and stored in a database for later analysis to identify any issues related to the deployed model.

Abstract: A method at a computing device for classifying elements within an input, the method including breaking the input into a plurality of patches; for each patch: creating a vector output; applying a characterization map to select a classification bin from a plurality of classification bins; and utilizing the selected classification bin to classify the vector output to create a classified output; and compiling the classified output from each patch.

Abstract: Embodiments of the present systems and methods may provide techniques to distinguish between data categories. For example, a method implemented in a computer system may comprise obtaining, at the computer system, a plurality of data strings in different categories, each category having a same string pattern, determining a loose string format and a set of restrictions based on at least one string pattern, classifying the plurality of data strings to respective different categories based on a loose string format of the data strings and on the restrictions on the data strings of the different categories using a classification score indicating utilizing restriction information of other categories when determining the matching of a category, and decreasing the classification score if a mean restriction matching proportion is not part of a category or is a threshold amount above an expected mean restriction matching proportion.

Abstract: Apparatuses, systems, methods, and computer program products are disclosed for adaptive machine learning. An apparatus includes a monitoring module that continuously monitors one or more interactions of a user while the user performs one or more simulated tasks digitally presented to the user that are associated with a learning path. The apparatus includes a metadata module that tracks data describing the user's interactions during the user's performance of one or more simulated tasks. The apparatus includes a machine learning module that, dynamically and in real-time, optimizes the user's learning path by simulating multiple different learning paths using one or more machine learning processes and tracked data. The apparatus includes a recommendation module that presents one or more recommendations to the user for optimizing the user's learning path. One or more recommendations may be generated as a function of the optimized learning path.

Abstract: A method may include, receiving, at a server device and from a requesting computing device associated with a requesting user, a request for a data item. The data item configured may be configured as a data structure and include an encrypted data payload; metadata identifying a source of the payload and when the data payload was captured; and a token identifying an owner of the data item and access rights to the data item. The method may include parsing he token to identify the owner of the data item; transmitting the request for the data item to a computing device associated with the owner; receiving a response from the computing device. The response may indicate the requesting user may access the data item, and in response, transmit a decryption key to the requesting computing device for the encrypted data payload. The method may include updating the token.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for training an action selection policy neural network, wherein the action selection policy neural network is configured to process an observation characterizing a state of an environment to generate an action selection policy output, wherein the action selection policy output is used to select an action to be performed by an agent interacting with an environment. In one aspect, a method comprises: obtaining an observation characterizing a state of the environment subsequent to the agent performing a selected action; generating a latent representation of the observation; processing the latent representation of the observation using a discriminator neural network to generate an imitation score; determining a reward from the imitation score; and adjusting the current values of the action selection policy neural network parameters based on the reward using a reinforcement learning training technique.

Abstract: Controlling an automated agent in an environment includes obtaining high-quality data regarding a current state of the automated agent; identifying a behavior model; determining a trajectory estimate for the automated agent based on the current state of the automated agent and the behavior model; determining a final trajectory for the automated agent using the trajectory estimate; and controlling the automated agent according to the final trajectory.

Abstract: A categorization analysis system is provided. The categorization analysis system includes one or more hardware processors, a memory including a first plurality of listings categorized in a first target category, and a categorization analysis engine executing on the one or more hardware processors. The categorization analysis engine is configured to determine a label for each listing including performing a search on title, select a set of training listings based on the determined labels, train a first model using the set of training listings and the determined labels, the first model being a classification model configured to classify categorization of listings, identify a suspect listing categorized in the first target category, apply the suspect listing to the first model, thereby generating a categorization result for the suspect listing, the categorization result indicating miscategorization of the suspect listing, and identify the suspect listing in the memory as miscategorized.

Abstract: The present disclosure relates to a method for determining at least one process variable of a medium. The method includes steps of recording a first value for the process variable by means of a first method for determining the process variable and recording a second value for the process variable by means of a second method for determining the process variable. The method also includes steps of selecting at least one of the detected values for the process variable by means of a classifier and outputting the selected value for the process variable. The present disclosure further relates to a computer program designed for executing a method according to the present disclosure, and to a computer program product having a computer program according to the present disclosure.

Abstract: Techniques are provided for evolutionary computer-based optimization and artificial intelligence systems, and include receiving first and second candidate executable code (with ploidy of at least two and one, respectively) each selected at least in part based on a fitness score. If the desired ploidy of the resultant executable code is one, then the first candidate executable code and the second candidate executable code are combined to produce haploid executable code. If the desired ploidy is two, then the first candidate executable code and the second candidate executable code are combined to produce diploid executable code. A fitness score is determined for the resultant executable code, and a determination is made whether the resultant executable code will be used as a future candidate executable code based at least in part on the third fitness score. If an exit condition is met, then the resultant executable code is used as evolved executable code.

Abstract: In some aspects, the described systems and methods provide for a method for training a model to predict survival time for a patient. The method includes accessing annotated pathology images associated with a first group of patients in a clinical trial. Each of the annotated pathology images is associated with survival data for a respective patient. Each of the annotated pathology images includes an annotation describing a tissue characteristic category for a portion of the image. Values for one or more features are extracted from each of the annotated pathology images. A model is trained based on the survival data and the extracted values for the features. The trained model is stored on a storage device.

Abstract: A system and method to configure a rule set used in connection with a medical monitoring system for monitoring patients and patient care equipment, especially medication delivery pumps, based on a variety of conditions and parameters associated with monitored biometric information and equipment information and for providing user-defined responses to those conditions and parameters.

Abstract: Techniques are described for moving asset location tracking and monitoring system technology. A system monitors for events related to a monitoring system that monitors a fixed property and the system detects an event related to the monitoring system based on the monitoring. The system performs an operation that leverages geographic location tracking of at least one mobile asset associated with the fixed property based on the detected event.

Abstract: A system and method for quantifying Alzheimer's disease (AD) risk using one or more interferometric micro-Doppler radars (IMDRs) and deep learning artificial intelligence to distinguish between cognitively unimpaired individuals and persons with AD based on gait analysis. The system utilizes IMDR to capture signals from both radial and transversal movement in three-dimensional space to further increase the accuracy for human gait estimation. New deep learning technologies are designed to complement traditional machine learning involving separate feature extraction followed-up with classification to process radar signature from different views including side, front, depth, limbs, and whole body where some motion patterns are not easily describable. The disclosed cross-talk deep model is the first to apply deep learning to learn IMDR signatures from two perpendicular directions jointly from both healthy and unhealthy individuals.

Abstract: Computer systems and associated methods are disclosed to detect a future change point in time series data used as input to a machine learning model. A forecast for the time series data is generated. In some embodiments, a fitting model is generated from the time series data, and residuals of the fitting model are obtained for respective portions of the data both before and after a potential change point in the future. The change point is determined based on a ratio of residual metrics for the two portions. In some embodiments, data features are extracted from individual segments in the time series data, and the segments are clustered based on their data features. A change point is determined based on a dissimilarity in cluster assignments for segments before and after the point. In some embodiments, when a change point is predicted, an update of the machine learning model is triggered.

Abstract: Systems and methods that address an optimized method to improve systems and methods for handling inequality constraints in mixed binary optimization problems on quantum computers and to solve local optima which significantly improves system performance. Embodiments employ an improved methodology that can optimize parameters, determine an optimal slack variable and optimize variational parameters for fixed slack variables. This procedure allows to move out of local minima, solve an optimization and improve the system performance by providing optimal results. These embodiments also extend to variational hybrid quantum/classical algorithms for gate-based quantum computers.

Abstract: A method includes executing a calibration operation on a set of qubits, in a first iteration, to produce a set of parameters, a first subset of the set of parameters corresponding to a first qubit of the set of qubits, and a second subset of the set of parameters corresponding to a second qubit of the set of qubits. In an embodiment, the method includes selecting the first qubit, responsive to a parameter of the first subset meeting an acceptability criterion. In an embodiment, the method includes forming a quantum gate, responsive to a second parameter of the second subset failing to meet a second acceptability criterion, using the first qubit and a third qubit.

Abstract: The present disclosure relates to a vehicle control device mounted on a vehicle and a method for controlling the vehicle. A vehicle control device according to the present disclosure is a vehicle control device that controls a vehicle platooning with at least one other vehicle, the vehicle control device including: a communication portion communicating with the at least one other vehicle; and a control portion calculating a sensing range allocated to each of the at least one other vehicle in the platooning based on an arrangement pattern of the platooning.

Abstract: A prediction device is described for predicting a location of a pedestrian moving in an environment. The prediction device may have a memory configured to store a probability distribution for multiple latent variables indicating one or more states of the one or more pedestrians. The prediction device may be configured to predict a position of a pedestrian for which no position information is currently available from the probability distribution of the multiple latent variables.

Abstract: Embodiments described herein provide systems and methods for an Explicit Memory Tracker (EMT) that tracks each rule sentence to perform decision making and to generate follow-up clarifying questions. Specifically, the EMT first segments the regulation text into several rule sentences and allocates the segmented rule sentences into memory modules, and then feeds information regarding the user scenario and dialogue history into the EMT sequentially to update each memory module separately. At each dialogue turn, the EMT makes a decision among based on current memory status of the memory modules whether further clarification is needed to come up with an answer to a user question. The EMT determines that further clarification is needed by identifying an underspecified rule sentence span by modulating token-level span distributions with sentence-level selection scores. The EMT extracts the underspecified rule sentence span and rephrases the underspecified rule sentence span to generate a follow-up question.

Abstract: Systems and methods are described for applying a plurality of data points of a time series data set representing values of a metric measuring performance of a cloud computing service to a machine learning model to predict a forecast of a most likely value of the metric at a selected future time. The method includes determining whether the plurality of data points of the time series data set are anomalies according to the machine learning model and the forecast and generating a collective anomaly from the anomalies when the plurality of data points is determined to be anomalies. The method further includes determining whether the collective anomaly does not meet one or more cloud computing service level objective (SLO) threshold requirements and sending an alert when the collective anomaly does not meet one or more cloud computing SLO threshold requirements.

Abstract: A system architecture for managing access to data and managing operations performed by applications using the data. In one example, a secure edge module is provided. In some embodiments, a secure edge module may be provided. The secure edge module may be a secure environment that is trusted to control/manage access to different sets of data. The secure edge module may identify/authenticate applications that may perform operations on the data. The secure edge module may decrypt the data within the secure edge module and allow the operations to execute within the secure edged module, using the decrypted data.

Abstract: A method for assigning weights to a knowledge graph includes extracting information from a knowledge graph. The information including entities extracted from nodes of the knowledge graph and relations extracted from edges of the knowledge graph. A shortest path generator receives the extracted entities and relations, and potential assigned weights from a heuristic data repository. Weights for the edges of the knowledge graph are determined. The weights are assigned to the edges of the knowledge graph.

Abstract: Methods, systems, devices and apparatuses for an infrastructure planning tool. The infrastructure planning tool includes a navigation unit. The navigation unit is configured to determine a location of a vehicle. The infrastructure planning tool includes a processor. The processor is configured to determine a route within an off-road real property to traverse by the vehicle using the location of the vehicle over a period of time. The processor is configured to determine or estimate an amount of energy used by the vehicle to traverse the route. The processor is configured to determine a location along the route to place critical based on the amount of energy used. The processor is configured to render, on a display, a graphical representation that includes the route, the off-road real property and the location along the route to place the critical infrastructure.

Abstract: A method of analyzing graphical user interface (GUI) objects. The method can include dynamically scanning attributes assigned to various GUI objects assigned to a view of a GUI in order to identify attributes associated with each of the GUI objects. For each of the GUI objects, a list of attributes can be generated. A determination can be made as to whether at least one of the GUI objects has a list of attributes that does not correspond to lists of attributes for other GUI objects. When at least one GUI object has a list of attributes that does not correspond to lists of attributes for other GUI objects, an identifier can be output. The identifier can indicate that the GUI object has the list of attributes that does not correspond to the lists of attributes for the other GUI objects.

Abstract: A method of detecting a latent fault of at least one cell among a plurality of cells in an energy storage system, and a control unit performing the method. The method comprises determining State of Health Cell Resistance, SoHCR, and State of Charge, SoC, of a selected cell, wherein the selected cell is indicated to have a latent fault if a determined value of the SoHCR is higher than a reference value and if a determined value of the SoC is higher than a reference value; or determining State of Health Cell Capacity, SoHCC, and State of Charge, SoC, of a selected cell, wherein the selected cell is indicated to have a latent fault if a determined value of the SoHCC is lower than a reference value and if a determined value of the SoC is higher than a reference value.

Abstract: A method for plant efficiency evaluation includes a first step of displaying in a first graphical zone a set of operators and a set of operands in a second graphical zone. A formula editor user interface is provided in a third graphical zone which enables a drag and drop of an operator or an operand for creating a formula for a plant performance indicator (PPI) as a measure of plant efficiency. When an operand is dropped into the third graphical zone, automatically displaying for the dropped operand a predefined list of entities involved in a production process of the plant, the predefined list enabling a selection of an entity for said operand. Data are then automatically collected for selected entity for each operand that has been dragged and dropped in the third graphical zone, and the PPI is a automatically calculated from the formula and the collected data.

Abstract: A management system manages an infrastructure system configured to provide a resource for operating a business system and included a plurality of infrastructures with different architecture. The management system comprises a monitoring module configured to monitor a usage state of the resource of the business system; and an analysis module configured to identify a business system being a migration target. The analysis module is configured to: analyze a usage tendency of the resource of the business system, determine which of the infrastructures is appropriate for the business system, and store a result of determining as a first determination result; identify a target infrastructure, which is an infrastructure for which the resource is predicted to become insufficient; select a business system being the migration target from among business systems operating on the target infrastructure based on the first determination result; and migrate the selected business system.

Abstract: Systems and methods including one or more processors and one or more non-transitory storage devices storing computing instructions configured to run on the one or more processors and perform: receiving in-session user activity entered into on an initial graphical user interface (GUI) from a user electronic device of a user; pre-processing the in-session user activity to determine one or more intents of the in-session user activity; comparing the one or more intents of the in-session user activity with one or more complementary intents; and coordinating displaying a complimentary GUI on the user device of the user based on the one or more complementary intents. Other embodiments are disclosed herein.

Abstract: A system for path selection using vehicle route guidance includes computing device configured to receive a plurality of requests for a plurality of alimentary combinations and a plurality of destinations, wherein each request specifies an alimentary combination of the plurality of alimentary combinations to be assembled by at least an alimentary provider and a destination of the plurality of destinations, compute a projected nutritionally guided order volume using a first machine-learning process, determine a plurality of assembly times, the plurality of assembly times including an assembly time for each alimentary combination, as a function of the nutritionally guided order volume, generate a plurality of predicted routes as a function of the determined assembly times, and pair a predicted route of the plurality of predicted routes with a courier, wherein pairing further pairing, with the courier, the predicted route that optimizes an objective function.

Abstract: Methods, systems, and apparatus, for totally corrective boosting with cardinality penalization are described. One of the methods includes obtaining initialization data identifying training examples, a dictionary of weak classifiers, and an active weak classifier matrix. Iterations of a totally corrective boosting with cardinality penalization process are performed, wherein each iteration performs operations comprising selecting a weak classifier from the dictionary of weak classifiers that most violates a constraint of a dual of the primal problem. The selected weak classifier is included in the active weak classifier matrix. The primal problem is optimized, and a discrete weight vector is determined. Weak classifiers are identified from the active weak classifier matrix with respective discrete weights greater than a threshold. The regularized risk is optimized, and a continuous weight vector is determined.

Abstract: Mechanisms are provided to implement an ensemble of unsupervised machine learning (ML) models. The ensemble of unsupervised ML models processes a portion of input data to generate an ensemble output and the ensemble output is output to an authorized user computing device to obtain user feedback from the authorized user via the user computing device. The user feedback indicates a correctness of the ensemble output. The mechanisms modify at least one feature of the ensemble of unsupervised ML models based on the obtained user feedback to thereby generate a modified ensemble of unsupervised ML models. Subsequent portions of input data are then processed using the modified ensemble of unsupervised ML models.

Abstract: A learning apparatus that can realize efficient machine learning is provided. A learning apparatus that learns a set value in a machine learning model based on predetermined image data for learning includes an inverting unit that inverts data of at least a part of respective channels in the image data for learning, an input unit that inputs the inverted data to the machine learning model, an output unit that can compare data obtained by inverting data output from the machine learning model with training data, and/or data output from the machine learning model with data obtained by inverting training data, and a learning process executing unit that learns the set value according to a result of the comparison.

Abstract: Aspects of the disclosure relate to tracking user engagement with an interface. In one aspect, interaction of a user with a user interface can be detected and, in response to such interaction, it can be determined if the user interface was updated. In a scenario in which it is determined that the user interface was updated, an impression metric indicative of engagement of the user with the user interface can be updated. The updated metric can permit the tracking of user engagement.

Abstract: Systems and methods for assessing a patient's risk of renal dysfunction are described. A system may include sensor circuits to sense physiological signals and processors to generate signal metrics from the physiological signals. The system may generate a primary renal risk indication using a first signal metric, and a secondary renal risk indication using at least a second signal metric. The system may generate a composite renal risk indication and estimate a glomerular filtration rate or a chronic kidney disease stage using at least the primary and secondary risk indications. The composite renal risk indication, which indicative of a degree of renal dysfunction, may be presented to a clinician, or provided to a detector for detecting worsening heart failure.

Abstract: A search device updates positions and momentums of a plurality of virtual particles, for each unit time from an initial time to an end time. The search device, for each unit time, calculates, for each of the particles, a position at a target time of a corresponding particle, calculates, for each of a plurality of nodes, a first accumulative value by cumulatively adding positions at the target time of two or more particles corresponding to outgoing two or more directed edges, calculates, for each of the nodes, a second accumulative value by cumulatively adding positions at the target time of two or more particles corresponding to incoming two or more directed edges, and calculates, for each of the particles, a momentum at the target time of a corresponding particle based on the first accumulative value and the second accumulative value.

Abstract: Data storage system conflict management techniques are described. In one example, data is sent by client devices to both a repository system and a search index system of a data storage system. Each of the client devices maintains, locally, records of changes to data of the repository system, e.g., through use of an invertible Bloom lookup table. The records are used as a basis by the client devices to send reports to an arbiter system and used to detect conflicts When detected, a conflict request is communicated to client devices involved in the conflict as well as to the repository system and responses used to generate a correction that is communicated to update the repository system and search index system.

Abstract: Systems and methods for providing machine-learning enabled user-specific evaluations are disclosed. Implementations include obtaining a first set of evaluation data from a user interface, obtaining a first set of target-descriptive data including target-specific characteristics objectively describing the evaluation targets, and training, with a machine-learning algorithm, a user-specific evaluation profile indicating evaluation patterns relative to the first set of evaluation data and the first set of target-specific characteristics. Implementations include applying the user-specific evaluation profile to a second set of target-descriptive data to predict a user-specific evaluation.

Abstract: The present disclosure relates to a question generating method and apparatus, an inquiring diagnosis system, and a computer readable storage medium. The question generating apparatus includes at least one processor, the at least one processor being configured to: acquire a candidate question set Q; calculate an information value of each candidate question in the candidate question set Q; and generate at least one question according to the information value of each candidate question.

Abstract: Systems and methods for determining autonomous vehicle user boarding times are provided. In one example embodiment, a computer implemented method includes obtaining location data associated with a user device associated with a user. The method includes determining an estimated time until the user starts boarding the autonomous vehicle based at least in part on the location data associated with the user device. The method includes obtaining data associated with the user. The method includes determining an estimated time of boarding duration for the user based at least in part on the data associated with the user. The method includes determining an estimated time until the user completes boarding of the autonomous vehicle based at least in part on the estimated time until the user starts boarding the autonomous vehicle and the estimated time of boarding duration for the user.

Abstract: Provided is a process, including: obtaining test data that quantifies a patient's cardiovascular status, the test data specifying patient attributes in a plurality of cardiovascular dimensions of the patient; determining a plurality of normalized differences between the test data and target criteria in each of the cardiovascular dimensions; determining predicted-effect vectors of each of a plurality of different classes of pharmaceuticals; determining an aggregate score for each respective class of pharmaceuticals among the different classes of pharmaceuticals based on values of the corresponding predicted-effect vectors; ranking the different classes of pharmaceuticals based on the aggregate scores; and outputting a recommended sequence of pharmaceuticals to administer.

Abstract: A controller for controlling an operation of a system is disclosed. The controller receives an input signal indicative of the operation of the system and rotates a test signal multiple times with different circular shifts to produce different rotations of the test signal forming a matrix data structure with the input signal. The input signal and the test signal are time-series data having values monotonically measured over time. The controller is further configured to apply a sliding three-dimensional (3D) window method to the matrix data structure to produce statistics of the input signal with respect to the rotations of the test signal. The sliding 3D window method iteratively moves window over the matrix data structure to compute a value of the statistics for a segment of the matrix data structure within the window. Furthermore, the controller controls the operation of the system according to the statistics of the input signal.