Patents by Inventor Sachin Premsukh Lodha

Sachin Premsukh Lodha has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10269353
    Abstract: The disclosure generally relates to transcription of spoken words, and more particularly to a system and method for transcription of spoken words using multilingual mismatched words. The process comprises collection of multi-scripted noisy transcriptions of the spoken word obtained from workers of the multilingual mismatched crowd unfamiliar with the spoken language. The collected words are mapped to a phoneme sequence in the source language using script specific graphemes to phoneme model. Further, it builds a multi-scripted transcription script specific, worker specific and a global insertion-deletion-substitution (IDS) channel. Furthermore, the disclosure also determines reputation of workers to allocate the transcription task. Determination of reputation is based on word belief.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: April 23, 2019
    Assignee: Tata Consultancy Services Limited
    Inventors: Purushotam Gopaldas Radadia, Kanika Kalra, Rahul Kumar, Anand Sriraman, Gangadhara Reddy Sirigireddy, Shrikant Joshi, Shirish Subhash Karande, Sachin Premsukh Lodha
  • Publication number: 20190057225
    Abstract: Systems and methods for computing data privacy-utility tradeoff is disclosed. Large data hubs like data marketplace are a source of data that may be of utility to data buyers. However, output data provided to data sellers is required to meet the privacy requirements of data sellers and at the same time maintain a level of utility to data buyers. Conventionally known methods of achieving data privacy tend to suppress components of data that may result in reduced utility of the data. Systems and methods of the present disclosure compute this tradeoff to establish need for data transformation, if any, before data is shared with data sellers.
    Type: Application
    Filed: February 20, 2017
    Publication date: February 21, 2019
    Applicant: Tata Consultancy Services Limited
    Inventors: Dilys THOMAS, Sachin Premsukh LODHA, Kalyani MASHIWAL, Vijayanand Mahadeo BANAHATTI, Kishore PADMANABHAN
  • Publication number: 20190050868
    Abstract: A method and system is provided for managing complaint and reputation in a multi-party data marketplace. The system is managed by an independent external entity to monitor the data transactions in an unbiased manner. The system considers the data as commodity or resource, which is perishable and whose worth might decay with time. The system defines new parameters for reputation and liability calculation (based on complaints), for example, consideration of peer and trust network, history of peering and transaction, automatic decay of reputation and liability in case of inactive participants. According to another embodiment, the disclosure also handles any kind of collusion between external or internal entities/parties/participants. Whereas in another embodiment the disclosure also identifies and restrict influencers in a multi-party data marketplace.
    Type: Application
    Filed: February 22, 2017
    Publication date: February 14, 2019
    Applicant: Tata Consultancy Services Limited
    Inventors: Manish SHUKLA, Sachin Premsukh LODHA, Kishore PADMANABHAN
  • Publication number: 20190042567
    Abstract: Method and system for analyzing unstructured data for compliance enforcement is disclosed. The system provides a comprehensive compliance enforcement platform, which enables purpose based data processing in an enterprise to support automatic discovery of purposes and linking between data fields and purposes. The system creates a single view of data associated with the data subject for enforcing the data subject's right for data protection and privacy. The system supports database like transactions for unstructured data over web and ensures Atomicity, Consistency, Isolation and Durability (ACID) properties of these transactions. Thus, the system creates a uniform data layer or a web view for data residing in the unstructured and semi-structured data, spread across the enterprise. The transactions on the unstructured data include READ operation, UPDATE operation, and DELETE operation using hypertext transfer protocol (http) over the unstructured data.
    Type: Application
    Filed: August 1, 2018
    Publication date: February 7, 2019
    Applicant: Tata Consultancy Services Limited
    Inventors: Kumar Mansukhlal VIDHANI, Vijayanand Mahadeo BANAHATTI, Sachin Premsukh LODHA, Gangadhara SIRIGIREDDY, Govind Vitthal WAGHMARE, Nikhil Pradeep SAMBHUS, Rekha Chandrakant PATHAK, Payal Ashok LATHI, Kalyani MASHIWAL, Shefali SONI, Vidyadhar RAO, Rosni KOTTEKULAMVASU
  • Patent number: 10198322
    Abstract: The present disclosure provides systems and methods to optimize data backup in a distributed enterprise system by firstly generating a set of unique files from all the files available in the enterprise. A backup set comprising files to be backed up are then generated from the set of unique files and backup is scheduled in the order in which the files to be backed up are identified. Unique files are generated based on file sharing patterns and communications among users that enable generating a social network graph from which one or more communities can be detected and deduplication can be performed on the files hosted by client systems in these communities thereby conserving resources.
    Type: Grant
    Filed: March 11, 2016
    Date of Patent: February 5, 2019
    Assignee: Tata Consultancy Services Limited
    Inventors: Sumesh Manjunath, Manish Shukla, Sachin Premsukh Lodha, Rohit Saxena, Sutapa Mondal
  • Patent number: 10095957
    Abstract: The present application provides a method and system for unsupervised word image clustering, comprises capturing one or more image wherein the one or more image comprises at least one word images. Extracting at least one feature vector using an untrained convolution neural network architecture, wherein the convolution filters are initialized by random filter based deep learning techniques using Gaussian random variable with zero mean and unit standard deviation, and wherein the convolution filters are constrained to sum to zero. The extracted feature vectors are used for clustering, wherein clustering is performed in two stages. First stage includes clustering word images which are similar using a graph connected component. Second stage clustering includes clustering a remaining word images which are not clustered during the first stage by evaluating the remaining images against the clusters formed during the first stage and assigning them to clusters based on the evaluation.
    Type: Grant
    Filed: February 14, 2017
    Date of Patent: October 9, 2018
    Assignee: Tata Consultancy Services Limited
    Inventors: Mandar Shrikant Kulkarni, Anand Sriraman, Rahul Kumar, Kanika Kalra, Shirish Subhash Karande, Sachin Premsukh Lodha
  • Publication number: 20180285675
    Abstract: System and method for text localization in images are disclosed. In an embodiment, a line and graphic eliminated image is received. Further, horizontal projection is performed on rows of the image to obtain a first flag vector, the flag vector indicates whether there is text in each row. Furthermore, a number of run-lengths of consecutive 1's and 0's is computed in the first flag vector. Moreover, text lines is extracted in the image based on the computed number of run-lengths of consecutive 1's and 0's in the first flag vector. Also, vertical projection is performed on the text lines to obtain a second flag vector for the text lines. Further, a number of run-lengths of consecutive 1's and 0's is computed in the second flag vectors. Furthermore, text is localized in the image based on the computed number of run-lengths of consecutive 1's and 0's in the second flag vectors.
    Type: Application
    Filed: January 18, 2018
    Publication date: October 4, 2018
    Applicant: Tata Consultancy Services Limited
    Inventors: Santoshkumar JAMI, Srinivasa Rao CHALAMALA, Krishna Rao KAKKIRALA, Balakrishna GUDLA, Arun Kumar JINDAL, Bala Mallikarjunarao GARLAPATI, Sachin Premsukh LODHA, Ajeet Kumar SINGH, Vijayanand Mahadeo BANAHATTI
  • Patent number: 9971903
    Abstract: Systems and methods for masking content of different types are described. The system may implement the method comprising receiving a request to mask input content that includes sensitive and non-sensitive data. The method also comprises parsing the input content to create a content specific structure (CSS) to organize the input content in a structured format. The CSS includes a plurality of CSS nodes. The method analyses each CSS node against a pre-defined privacy policy and identifies sensitivity of the each CSS node. The method also creates a generalized masking structure (GMS) by creating a GMS node corresponding to each CSS node. Each GMS node contains sensitivity information related to corresponding CSS node. Data represented by GMS is masked based upon the sensitivity information stored in it.
    Type: Grant
    Filed: March 18, 2016
    Date of Patent: May 15, 2018
    Assignee: Tata Consultancy Services Limited
    Inventors: Kumar Mansukhlal Vidhani, Devangi Deveshkumar Vyas, Mayur Jain, Vijayanand Mahadeo Banahatti, Sachin Premsukh Lodha
  • Publication number: 20180113849
    Abstract: System and method for cheque image data masking are disclosed. In an example, a cheque image and a data file are received, the data file includes data records with values corresponding to sensitive data fields in the cheque image. Further, a template cheque image matching to the cheque image and redacted information associated with the template cheque image are obtained. Furthermore, a blank image snippet is generated for each sensitive data field in the cheque image based on a part of the obtained information about sensitive fields. Moreover, values corresponding to each sensitive field from the input data file are written to the blank image snippet based on the remaining information about sensitive fields. Also, the template cheque image is updated with the image snippet. Data of non-sensitive fields in the cheque image is then copied to the template cheque image, thereby facilitating cheque image data masking.
    Type: Application
    Filed: March 23, 2017
    Publication date: April 26, 2018
    Applicant: Tata Consultancy Services Limited
    Inventors: Arun Kumar JINDAL, Srinivasa Rao CHALAMALA, Ajeet Kumar SINGH, Vijayanand Mahadeo BANAHATTI, Sachin Premsukh LODHA, Sumit JOHRI, Mayur JAIN, Nandita BABU, Nikhil Girish PATWARDHAN, Ashim ROY
  • Publication number: 20180115577
    Abstract: This disclosure relates generally to malware detection, and more particularly to system and method for detecting and mitigating ransomware threats. For a User Equipment being monitored, the system performs a behavior analysis of corresponding file system to determine whether any anomalous behavior that would amount to a ransomware threat is associated with flies associated with the file system change, if present, then the system virtualizes the file system on the fly. If information pertaining to the identified anomalous behavior is present in any of the reference databases in the system, then all the I/O calls are terminated or the file system is virtualized for rest of the session. If data pertaining to the identified anomalous behavior is not found in any of the associated databases, then new behavioral features and structural patterns of the identified anomalous behavior and the associated processes are extracted, and the reference databases are updated accordingly.
    Type: Application
    Filed: October 23, 2017
    Publication date: April 26, 2018
    Applicant: Tata Consultancy Services Limited
    Inventors: Manish SHUKLA, Sutapa MONDAL, Sachin Premsukh LODHA
  • Publication number: 20180061417
    Abstract: The disclosure generally relates to transcription of spoken words, and more particularly to a system and method for transcription of spoken words using multilingual mismatched words. The process comprises collection of multi-scripted noisy transcriptions of the spoken word obtained from workers of the multilingual mismatched crowd. The collected words are mapped to a phoneme sequence in the source language using script specific graphemes to phoneme model. Further, it builds a multi-scripted transcription script specific, worker specific and a global insertion-deletion-substitution (IDS) channel. Furthermore, the disclosure also determines reputation of workers to allocate the transcription task. Determination of reputation is based on word belief.
    Type: Application
    Filed: March 31, 2017
    Publication date: March 1, 2018
    Applicant: Tata Consultancy Services Limited
    Inventors: Purushotam Gopaldas Radadia, Kanika Kalra, Rahul Kumar, Anand Sriraman, Gangadhara Reddy Sirigireddy, Shrikant Joshi, Shirish Subhash Karande, Sachin Premsukh Lodha
  • Publication number: 20170364555
    Abstract: A system and method are provided for enforcing user policies on database. In one aspect a user policy and/or enterprise policy is predefined and mapped to the column of the database. Further, the query is run through a query parsing module, the result is sent to a query analyzing module to analyze the sensitivity of each query. A query rewriting module rewrites the query and the rewritten query is sent to the database. A sensitive tree is generated using database metadata, which is used during query analysis and query re-writing. In cases the original query does not contain any set operators the rewritten query is executed on the database and results are displayed as per the user policy. The cases where the original query comprises set operators a function called merger is implemented in the database or at the proxy server and data is displayed as per the user policy.
    Type: Application
    Filed: June 21, 2017
    Publication date: December 21, 2017
    Applicant: Tata Consultancy Services Limited
    Inventors: Gangadhara Reddy SIRIGIREDDY, Kumar Mansukhlal VIDHANI, Akhil Anand DIXIT, Vijayanand Mahadeo BANAHATTI, Sachin Premsukh LODHA
  • Publication number: 20170270387
    Abstract: The present application provides a method and system for unsupervised word image clustering, comprises capturing one or more image wherein the one or more image comprises at least one word images. Extracting at least one feature vector using an untrained convolution neural network architecture, wherein the convolution filters are initialized by random filter based deep learning techniques using Gaussian random variable with zero mean and unit standard deviation, and wherein the convolution filters are constrained to sum to zero. The extracted feature vectors are used for clustering, wherein clustering is performed in two stages. First stage includes clustering word images which are similar using a graph connected component. Second stage clustering includes clustering a remaining word images which are not clustered during the first stage by evaluating the remaining images against the clusters formed during the first stage and assigning them to clusters based on the evaluation.
    Type: Application
    Filed: February 14, 2017
    Publication date: September 21, 2017
    Applicant: Tata Consultancy Services Limited
    Inventors: Mandar Shrikant Kulkarni, Anand Sriraman, Rahul Kumar, Kanika KaIra, Shirish Subhash Karande, Sachin Premsukh Lodha
  • Patent number: 9767086
    Abstract: System and method for enablement of data masking for web documents are disclosed. In an example, a rendering specification associated with reference web documents and previewed reference web documents are received. Further, a first web document processed based on the rendering specification is received. Furthermore, a status of the rendering specification is determined upon processing the first web document. In addition, the first web document and the previewed reference web documents are analyzed to determine a set of candidates for a sensitive label and/or data associated with a sensitive label in the first web document when the status of the rendering specification is a sensitive label not found and/or data associated with a sensitive label not found. The rendering specification is then updated upon determination. Masking of the data associated with sensitive labels in the first web document is then enabled using the updated rendering specification.
    Type: Grant
    Filed: March 14, 2016
    Date of Patent: September 19, 2017
    Assignee: Tata Consultancy Services Limited
    Inventors: Kumar Mansukhlal Vidhani, Gangadhara Reddy Sirigireddy, Arun Kumar Jindal, Manish Shukla, Vijayanand Mahadeo Banahatti, Sachin Premsukh Lodha
  • Publication number: 20170200101
    Abstract: Optimizing task allocation requires taking into account cognitive load on workers and their response time to allocated tasks. The present disclosure provides for allocation of task by receiving data pertaining to current activity of workers; receiving data pertaining to at least one task to be allocated and determining activity-task pairs based on an activity feature vector corresponding to at least one human body part used during the current activity and a task feature vector corresponding to at least one human body part required for the at least one task to be performed by the workers. Cognitive load on the workers is then estimated for the determined activity-task pairs. An optimum activity-task pair based on the estimated cognitive load is determined and at least one task is allocated to the workers based on the determined optimum activity-task pair.
    Type: Application
    Filed: January 6, 2017
    Publication date: July 13, 2017
    Applicant: Tata Consultancy Services Limited
    Inventors: Rahul KUMAR, Anand SRIRAMAN, Mandar Shrikant KULKARNI, Kanika KALRA, Shirish Subhash KARANDE, Sachin Premsukh LODHA
  • Publication number: 20170161516
    Abstract: Systems and methods for sensitive audio zone rearrangement are provided that protects confidential and sensitive information such as user identifier during query processing and authentication. The sensitive information rearrangement system generates or permutes the actual user identifier in a privacy preserving manner. The sensitive information is extracted from an input being either a speech or DTMF tones, and a virtual user identifier is generated in real time, that is specific to a transaction to be performed, or a query initiation by a user in real-time. The sensitive information is rearranged which can be either DTMF tone or speech of user to generate the virtual user identifier.
    Type: Application
    Filed: March 15, 2016
    Publication date: June 8, 2017
    Applicant: Tata Consultancy Services Limited
    Inventors: Sutapa MONDAL, Sumesh MANJUNATH, Rohit SAXENA, Manish SHUKLA, Purushotam Gopaldas RADADIA, Shirish Subhash KARANDE, Sachin Premsukh LODHA
  • Publication number: 20170154021
    Abstract: System and method for enablement of data masking for web documents are disclosed. In an example, a rendering specification associated with reference web documents and previewed reference web documents are received. Further, a first web document processed based on the rendering specification is received. Furthermore, a status of the rendering specification is determined upon processing the first web document. In addition, the first web document and the previewed reference web documents are analyzed to determine a set of candidates for a sensitive label and/or data associated with a sensitive label in the first web document when the status of the rendering specification is a sensitive label not found and/or data associated with a sensitive label not found. The rendering specification is then updated upon determination. Masking of the data associated with sensitive labels in the first web document is then enabled using the updated rendering specification.
    Type: Application
    Filed: March 14, 2016
    Publication date: June 1, 2017
    Applicant: Tata Consultancy Services Limited
    Inventors: Kumar Mansukhlal Vidhani, Gangadhara Reddy Sirigireddy, Arun Kumar Jindal, Manish Shukla, Vijayanand Mahadeo Banahatti, Sachin Premsukh Lodha
  • Publication number: 20170091306
    Abstract: The present disclosure provides systems and methods to estimate Importance Measure (IM) and temporal Importance Measure (IM) for any type of data in a distributed enterprise network by involving direct and indirect stakeholders of the data in the estimation process. Firstly data type of the received data is identified. Data type plugins including pre-defined classes, IM matrix and Temporal IM matrix are loaded for the identified data type. Extracted features from the data are appropriately mapped against pre-defined classes and then the IM is estimated. Temporal IM is estimated taking into account the current time and the rate of change.
    Type: Application
    Filed: March 4, 2016
    Publication date: March 30, 2017
    Applicant: Tata Consultancy Services Limited
    Inventors: Sumesh Manjunath, Manish Shukla, Sutapa Mondal, Rohit Saxena, Sachin Premsukh Lodha
  • Publication number: 20160283729
    Abstract: Systems and methods for masking content of different types are described. The system may implement the method comprising receiving a request to mask input content that includes sensitive and non-sensitive data. The method also comprises parsing the input content to create a content specific structure (CSS) to organize the input content in a structured format. The CSS includes a plurality of CSS nodes. The method analyses each CSS node against a pre-defined privacy policy and identifies sensitivity of the each CSS node. The method also creates a generalized masking structure (GMS) by creating a GMS node corresponding to each CSS node. Each GMS node contains sensitivity information related to corresponding CSS node. Data represented by GMS is masked based upon the sensitivity information stored in it.
    Type: Application
    Filed: March 18, 2016
    Publication date: September 29, 2016
    Applicant: Tata Consultancy Services Limited
    Inventors: Kumar Mansukhlal Vidhani, Devangi Deveshkumar Vyas, Mayur Jain, Vijayanand Mahadeo Banahatti, Sachin Premsukh Lodha
  • Publication number: 20160274976
    Abstract: The present disclosure provides systems and methods to optimize data backup in a distributed enterprise system by firstly generating a set of unique files from all the files available in the enterprise. A backup set comprising files to be backed up are then generated from the set of unique files and backup is scheduled in the order in which the files to be backed up are identified. Unique files are generated based on file sharing patterns and communications among users that enable generating a social network graph from which one or more communities can be detected and deduplication can be performed on the files hosted by client systems in these communities thereby conserving resources.
    Type: Application
    Filed: March 11, 2016
    Publication date: September 22, 2016
    Applicant: Tata Consultancy Services Limited
    Inventors: Sumesh Manjunath, Manish Shukla, Sachin Premsukh Lodha, Rohit Saxena, Sutapa Mondal