Dr. Rajesh Ramamurthy Profile

Dr. Rajesh Ramamurthy

Mechanical Engineer at Schenectady Cores and Castings

SPIE Involvement:

Author

Proceedings Article | 12 April 2021 Presentation + Paper

Performance evaluation of line confocal imaging for surface roughness measurement application

Rajesh Ramamurthy, Grace Caza

Proceedings Volume 11732, 1173209 (2021) https://doi.org/10.1117/12.2588470

KEYWORDS: Surface roughness, Surface finishing, Optical testing

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Proceedings Article | 13 May 2019 Presentation + Paper

3D on machine metrology for conformal printing of conductors and dielectrics onto complex 3D surfaces

Rajesh Ramamurthy, Harry Chiu, Kevin Harding, Robert Tait

Proceedings Volume 10991, 109910S (2019) https://doi.org/10.1117/12.2518629

KEYWORDS: Sensors, Confocal microscopy, Printing, 3D printing, Calibration, Cameras, 3D metrology, Metrology, Additive manufacturing

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Proceedings Article | 14 May 2018 Presentation + Paper

Error mapping method for multi-axis additive manufacturing system

Rajesh Ramamurthy, Vadim Bromberg, Timothy Fiorillo, Kevin Harding

Proceedings Volume 10667, 106670K (2018) https://doi.org/10.1117/12.2309558

KEYWORDS: Cameras, Optical alignment, Printing, Additive manufacturing, Visualization, Calibration, Light sources and illumination, Error analysis, Optics manufacturing

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Proceedings Article | 1 May 2017 Presentation + Paper

Optimized measurement of gaps

Kevin Harding, Rajesh Ramamurthy

Proceedings Volume 10220, 102200E (2017) https://doi.org/10.1117/12.2261187

KEYWORDS: Confocal microscopy, Surface finishing, Sensors, 3D metrology, Metrology, Phase shifts, Manufacturing, Colorimetry, Phase shifting, Transparency, Metals, Structured light, Glasses, Reflection, Imaging systems

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Proceedings Article | 1 May 2017 Presentation + Paper

Measurement of material thickness in the presence of a protective film

Rajesh Ramamurthy, Kevin Harding

Proceedings Volume 10220, 102200J (2017) https://doi.org/10.1117/12.2264569

KEYWORDS: Process control, Tolerancing, Optical metrology, Composites, Thin films, Control systems, Optical testing, Inspection, Metrology, Sensors, Confocal microscopy, Colorimetry, Reflection, Metals, Laser applications, Specular reflections, Optical resolution

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Proceedings Article | 19 May 2016 Paper

Effects of light wavelength and coherence in structured light sensors

Kevin Harding, Rajesh Ramamurthy, Zirong Zhai, Jie Han, Dongmin Yang

Proceedings Volume 9868, 986806 (2016) https://doi.org/10.1117/12.2224588

KEYWORDS: Structured light, Optical sensors, Inspection, Metrology, 3D metrology, Projection systems, Semiconductor lasers, Interferometers, Signal to noise ratio, Reflectivity, 3D vision, Speckle, Reflection, Light emitting diodes, Sensors, Optical filters, Polarization, Cameras, Lithium, Neodymium

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Proceedings Article | 19 May 2015 Paper

Geometric and topological feature extraction of linear segments from 2D cross-section data of 3D point clouds

Rajesh Ramamurthy, Kevin Harding, Xiaoming Du, Vincent Lucas, Yi Liao, Ratnadeep Paul, Tao Jia

Proceedings Volume 9489, 948905 (2015) https://doi.org/10.1117/12.2179987

KEYWORDS: Clouds, Feature extraction, 3D metrology, Sensors, Inspection, Computer aided design, Tolerancing, Optical sensors, 3D modeling, Optical testing

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Proceedings Article | 14 May 2015 Paper

Small hole inner profile measurement methods

Yi Liao, Kevin Harding, Rajesh Ramamurthy

Proceedings Volume 9489, 94890M (2015) https://doi.org/10.1117/12.2177362

KEYWORDS: Confocal microscopy, Computed tomography, Sensors, Imaging systems, Microscopes, Associative arrays, Microscopy, Phase shifting, Manufacturing, Structured light

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Proceedings Article | 26 September 2007 Paper

Smooth 3D edge detection in scarfed composite surfaces

Rajesh Ramamurthy, Megha Navalgund, Qingying Hu, Kevin Harding

Proceedings Volume 6762, 676202 (2007) https://doi.org/10.1117/12.732136

KEYWORDS: 3D image processing, Cameras, Composites, 3D metrology, Edge detection, Image processing, Phase shifts, Error analysis, Diffractive optical elements, Light sources

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Showing 5 of 9 publications

Conference Committee Involvement (2)

Dimensional Optical Metrology and Inspection for Practical Applications IX

27 April 2020 | Online Only, California, United States

Dimensional Optical Metrology and Inspection for Practical Applications VIII

16 April 2019 | Baltimore, MD, United States

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