Company Filing History:

6 out of 127

Navigation Technologies Corporation

patents

6 out of 122

Navteq North America, LLC

patents

2 out of 832,843

Other

patents

Years Active: 2002-2011

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7987186 - Method and system for wavelet-based representation and use of cartographic data (2011-07-26),

2. 7805442 - Method and system for representation of geographical features in a computer-based system (2010-09-28),

3. 7730049 - Method for representing the vertical component of road geometry and computing grade or slope (2010-06-01),

4. 7152022 - Application of the ψ-s curve to road geometry extraction and modeling (2006-12-19),

5. 7007011 - Method for representing the vertical component of road geometry and computing grade or slope (2006-02-28),

6. 6985639 - Method for quantifying relative accuracy of database segments (2006-01-10),

7. 6862523 - Bowing coefficient representation of curvature of geographic features (2005-03-01),

8. 6732046 - Application of the hough transform to modeling the horizontal component of road geometry and computing heading and curvature (2004-05-04),

9. 6728392 - Shape comparison using a rotational variation metric and applications thereof (2004-04-27),

10. 6681177 - Bowing coefficient representation of curvature of geographic features (2004-01-20),

11. 6636804 - Method for associating the features of two geographic databases (2003-10-21),

12. 6571173 - Three-dimensional space curve comparison using spatial angle variance metric and applications thereof (2003-05-27),

13. 6560531 - Multi-resolution trend metric for shape comparison and applications thereof (2003-05-06),

14. 6473690 - Three-dimensional space curve comparison using spatial angle variance metric and applications thereof (2002-10-29),

Title: Rajashri Joshi: Innovator in Cartographic Data Representation

Introduction

Rajashri Joshi is a notable inventor based in Schaumburg, IL (US), recognized for his contributions to the field of cartographic data representation. With a total of 14 patents to his name, he has made significant advancements in how geographic features are represented and utilized in computer-based systems.

Latest Patents

Among his latest patents is a method and system for wavelet-based representation and use of cartographic data. This innovative approach allows cartographic shapes to be represented using wavelet coefficients, enabling the reconstruction of geographic features from stored wavelet and scaling coefficients. The wavelet transform organizes information according to scale, which is crucial for operations such as line simplification and zooming. Additionally, he has developed a method for the representation of geographical features using polynomial splines. This method enhances representation accuracy while reducing storage requirements by converting a database of shape points into a database of spline control points.

Career Highlights

Rajashri Joshi has worked with prominent companies in the field, including Navigation Technologies Corporation and Navteq North America, LLC. His experience in these organizations has contributed to his expertise in cartographic data and its applications.

Collaborations

Throughout his career, Rajashri has collaborated with talented individuals such as Ole Henry Dorum and Vijaya S Israni, who is a woman. These collaborations have further enriched his work and innovations in the field.

Conclusion

Rajashri Joshi's contributions to cartographic data representation through his patents and career achievements highlight his role as an influential inventor in this domain. His innovative methods continue to shape the way geographic data is utilized and represented in technology today.

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