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公开(公告)号：US11311198B2
公开(公告)日：2022-04-26
申请号：US15069632
申请日：2016-03-14
Applicant: Tata Consultancy Services Limited
Inventor： Srinivasan Jayaraman , Balamuralidhar Purushothaman
IPC: A61B5/0205 , G16H50/30 , A61B5/00 , G16Z99/00 , A61B5/024 , A61B5/16 , G06N5/04 , A61B5/18 , G06N7/00
Abstract: A system and method for determining stress level of a person in real-time have been disclosed. In one aspect, the system captures physiological data associated to the person. In one embodiment, the physiological data may be captured by using a plurality of sensors attached at wrist or ankle or neck or waist or hip of the person, for a predetermined time interval. The plurality of sensors may include a wrist watch or a wristband or a textile material. The system further pre-processes the physiological data in order to extract one or more physiological parameters. In one aspect, the pre-processing may include performing an analysis on the physiological data. The system further determines the stress level of the person upon performing the statistical analysis on the one or more physiological parameters. According to another embodiment, a method for real time determination of stress level of the person has also been provided.
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公开(公告)号：US11006874B2
公开(公告)日：2021-05-18
申请号：US13965523
申请日：2013-08-13
Applicant: Tata Consultancy Services Limited
Inventor： Srinivasan Jayaraman , Kriti Kumar , Balamuralidhar Purushothaman
IPC: A61B5/16 , A61B5/0245 , A61B5/00 , A61B5/11 , A61B5/024 , G06K9/00 , A61B5/0205 , A61B5/0456 , A61B5/352
Abstract: The present subject matter relates to a computer implemented method for real time determination of stress levels of an individual. The method includes receiving at least one stream of physiological data from at least one primary sensor for a predetermined duration, and preprocessing the at least one stream of physiological data to extract physiological parameters, where the preprocessing includes performing a preliminary analysis on the at least one stream of physiological data. The method further includes determining a stress level of the individual based on at least the physiological parameters, wherein the determining comprises performing a statistical analysis on the physiological parameters.
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公开(公告)号：US12220262B2
公开(公告)日：2025-02-11
申请号：US17203578
申请日：2021-03-16
Applicant: Tata Consultancy Services Limited
Inventor： Srinivasan Jayaraman , Joshin Sahadevan , Sundeep Khandelwal , Ponnuraj Kirthi Priya
Abstract: Continuous monitoring of subject's cardiac system using biological signal(s) (BS) during day-to-day activities is essential for managing personal cardiac health/disorders, etc. Conventional systems/methods lack in improvising overall classification results and configured for specific device/signal say ECG or PPG and so on. Present disclosure provides systems and methods for classifying BS obtained from users, wherein BS are preprocessed to obtain filtered signals (FS). Corresponding feature extraction module is utilized for feature set extraction based on features in FS. The feature set is reduced and segmented into test and training data. Biological signal classification model(s) are generated using training data and a BCM is applied on test data to classify biological signals (BS) as one of Atrial Fibrillation (AF), a non-AF, a cardiac arrythmia disorder, or ischemia. Accelerometer features of connected device associated with the users can be obtained to detect activities which in conjunction with the BCM's output improvises above classification.
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公开(公告)号：US09473493B2
公开(公告)日：2016-10-18
申请号：US14041301
申请日：2013-09-30
Applicant: Tata Consultancy Services Limited
Inventor： Srinivasan Jayaraman , Balamuralidhar Purushothaman
IPC: H04L29/06
CPC classification number: H04L63/0861 , A61B5/04842 , A61B5/117 , G06K9/00885 , G06K2009/00939 , H04L63/0428 , H04W12/06
Abstract: A system and a method for secure data communication over a network are described. In one embodiment, a method comprises generating a visual flashing code containing encrypted data, wherein the visual flashing code is transmitted to a user on a user device. Further, the method comprises obtaining real time biometric data of the user from at least one biometric device connected to the user device. Furthermore, the method comprises authenticating the user based on the real time biometric data. Upon authentication, the encrypted data is decrypted at the user device based on electroencephalogram (EEG) data obtained from an EEG device, wherein the EEG data comprises brain signals indicative of brain activity of the user corresponding to the visual flashing code.
Abstract translation: 描述了一种通过网络进行安全数据通信的系统和方法。 在一个实施例中，一种方法包括生成包含加密数据的视觉闪烁代码，其中将视觉闪烁代码发送到用户设备上的用户。 此外，该方法包括从连接到用户设备的至少一个生物测定设备获得用户的实时生物特征数据。 此外，该方法包括基于实时生物特征数据认证用户。 在认证时，基于从EEG设备获得的脑电图（EEG）数据，用户设备对加密的数据进行解密，其中EEG数据包括指示与视觉闪烁代码对应的用户的大脑活动的脑信号。
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公开(公告)号：US12100124B2
公开(公告)日：2024-09-24
申请号：US17552868
申请日：2021-12-16
Applicant: Tata Consultancy Services Limited
Inventor： Jayavardhana Rama Gubbi Lakshminarasimha , Vartika Sengar , Vivek Bangalore Sampathkumar , Aparna Kanakatte Gurumurthy , Murali Poduval , Balamuralidhar Purushothaman , Karthik Seemakurthy , Avik Ghose , Srinivasan Jayaraman
CPC classification number: G06T5/70 , G06T5/50 , G06T7/269 , G06T2207/10016 , G06T2207/10024 , G06T2207/20081 , G06T2207/20084
Abstract: The disclosure herein relates to methods and systems for generating an end-to-end de-smoking model for removing smoke present in a video. Conventional data-driven based de-smoking approaches are limited mainly due to lack of suitable training data. Further, the conventional data-driven based de-smoking approaches are not end-to-end for removing the smoke present in the video. The de-smoking model of the present disclosure is trained end-to-end with the use of synthesized smoky video frames that are obtained by source aware smoke synthesis approach. The end-to-end de-smoking model localize and remove the smoke present in the video, using dynamic properties of the smoke. Hence the end-to-end de-smoking model simultaneously identifies the regions affected with the smoke and performs the de-smoking with minimal artifacts. localized smoke removal and color restoration of a real-time video.
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Patent Agency Ranking
公开(公告)号：US12094035B2
公开(公告)日：2024-09-17
申请号：US17645116
申请日：2021-12-20
Applicant: Tata Consultancy Services Limited
Inventor： Jayavardhana Rama Gubbi Lakshminarasimha , Karthik Seemakurthy , Vartika Sengar , Aparna Kanakatte Gurumurthy , Avik Ghose , Balamuralidhar Purushothaman , Murali Poduval , Jayeeta Saha , Srinivasan Jayaraman , Vivek Bangalore Sampathkumar
CPC classification number: G06T11/001 , G06T7/90 , G06V10/56 , G06T2207/10016
Abstract: The disclosure herein relates to methods and systems for localized smoke removal and color restoration of a real-time video. Conventional techniques apply the de-smoking process only on a single image, by finding the regions having the smoke, based on manual air-light estimation. In addition, regaining original colors of de-smoked image is quite challenging. The present disclosure herein solves the technical problems. In the first stage, video frames having the smoky and smoke-free video frames are identified, from the video received in the real-time. In the second stage, an air-light is estimated automatically using a combined feature map. An intermediate de-smoked video frame for each smoky video frame is generated based on the air-light using a de-smoking algorithm. In the third and the last stage, a smoke-free video reference frame is used to compensate for color distortions introduced by the de-smoking algorithm in the second stage.
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公开(公告)号：US20210212626A1
公开(公告)日：2021-07-15
申请号：US17119775
申请日：2020-12-11
Applicant: Tata Consultancy Services Limited
Inventor： Srinivasan Jayaraman , Raghu Thopenahalli Shanmukhapp , Harshad Kulkarni , Joshin Sahadevan , Praveen Sureshrao Kadni
IPC: A61B5/361 , A61B5/256 , A61B5/00 , A61B5/363 , A61B5/265 , A61B5/263 , G16H40/67 , G16H50/70 , G16H50/20
Abstract: Electrocardiogram (ECG) system has been adopted for almost a century to diagnose cardiovascular disease (CVD). Monitoring the cardiac signal provides an insight of CVD and function as an aiding tool for physician towards early detection of cardiac events. A method and wearable device to continuously monitor and determine the cardiac health of the person have been provided. The device is configured to monitor the cardiac system continuously in a partially or fully non-contact manner. The non-contact sensing is achieved by using a hybrid sensing technique. The device consists of a pair of electrodes, one electrode could be a contact sensor that will be touching the skin and the second sensor could be a non-contact sensor. The device facilitates to alert cardiac health monitoring locally or remote location. The device monitors cardiac health in the work environment rather than inducing stress among the participants by making them undergo a stress test.
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公开(公告)号：US10282959B2
公开(公告)日：2019-05-07
申请号：US13716800
申请日：2012-12-17
Applicant: TATA CONSULTANCY SERVICES LIMITED
Inventor： Srinivasan Jayaraman , Balamuralidhar Purushothaman
IPC: G08B21/02 , A61B5/18 , G08B21/06 , G06Q10/06 , A61B5/00 , G06F19/00 , G16H40/67 , A61B5/0402 , A61B5/0476 , A61B5/0488 , A61B5/11
Abstract: Systems and methods for determining an actual fatigue time (AFT) for an activity are provided. The method comprises receiving a standard fatigue time (SFT) representing a time duration. The SFT is indicative of an onset of fatigue in individuals upon continuously performing the activity. The method further comprises receiving at least one external parameter and a fatigue index corresponding to the at least one external parameter. The at least one external parameter and the fatigue index are associated with the activity. The method further comprises determining the AFT for the activity based upon the SFT and the fatigue index.
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公开(公告)号：US11642046B2
公开(公告)日：2023-05-09
申请号：US17072304
申请日：2020-10-16
Applicant: Tata Consultancy Services Limited
CPC classification number: A61B5/1122 , A61B5/0022 , A61B5/681 , A61B5/7264 , A61B2562/0219
Abstract: This disclosure relates generally to a system and method for shoulder proprioceptive analysis of the person. The present disclosure monitors the shoulder joint motion by quantitative measure of range of motion (ROM) and kinesthesia of shoulder using a smart watch, thereby assessing the limit of active motion and the ability to passively reposition the arm in space. The present disclosure estimates the ROM, velocity, quality of joint movement, direction of hand movement using the sensor data captured by the smart watch. Further, the present disclosure provides a performance metrics of the shoulder function by comparing the shoulder motion before and after a prosthesis procedure. The present disclosure implements a rule engine-based approach classifying the shoulder/arm movement which includes flexion, extension, abduction, and adduction, internal and external rotation.
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公开(公告)号：US20230047937A1
公开(公告)日：2023-02-16
申请号：US17552868
申请日：2021-12-16
Applicant: Tata Consultancy Services Limited
Inventor： Jayavardhana Rama GUBBI LAKSHMINARASIMHA , Vartika Sengar , Vivek Bangalore Sampathkumar , Aparna Kanakatte Gurumurthy , Murali Poduval , Balamuralidhar Purushothaman , Karthik Seemakurthy , Avik Ghose , Srinivasan Jayaraman
Abstract: The disclosure herein relates to methods and systems for generating an end-to-end de-smoking model for removing smoke present in a video. Conventional data-driven based de-smoking approaches are limited mainly due to lack of suitable training data. Further, the conventional data-driven based de-smoking approaches are not end-to-end for removing the smoke present in the video. The de-smoking model of the present disclosure is trained end-to-end with the use of synthesized smoky video frames that are obtained by source aware smoke synthesis approach. The end-to-end de-smoking model localize and remove the smoke present in the video, using dynamic properties of the smoke. Hence the end-to-end de-smoking model simultaneously identifies the regions affected with the smoke and performs the de-smoking with minimal artifacts. localized smoke removal and color restoration of a real-time video.
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