Venkata Subhash Chandra Sadhu

Title: Venkata Subhash Chandra Sadhu: Innovator in Time-of-Flight Technology

Introduction

Venkata Subhash Chandra Sadhu is a notable inventor based in Bengaluru, India. He has made significant contributions to the field of time-of-flight (ToF) technology, holding 2 patents that showcase his innovative spirit and technical expertise.

Latest Patents

His latest patents include a system for multi-frequency long-range distance detection for amplitude-modulated continuous wave time-of-flight cameras. This advanced ToF system comprises a light source, a photosensor, a signal generator, and a processor. The signal generator outputs a reference signal that corresponds to a modulation function for modulated light, along with a modified transmitted light signal that reflects a phase shift of the reference signal. The light source emits this modified transmitted light signal, while the photosensor captures its reflections from the scene. The processor then determines a depth map for the scene based on the values recorded by the pixels. In some instances, the phase shift is implemented using a phase-locked loop controller, which determines and outputs one or more component phases of the phase shift and an exposure time for each component phase.

Another significant patent involves pixel crosstalk correction in a time-of-flight camera calibration system. This system includes a time-of-flight camera and a calibration processor that is coupled to the camera. The calibration processor receives an input phase image captured by the camera and generates a blurred phase image by applying a low-pass filter. It also creates a crosstalk correction matrix based on the blurred phase image and provides this matrix to the time-of-flight camera for improved accuracy.

Career Highlights

Venkata Subhash Chandra Sadhu is currently employed at Texas Instruments Corporation, where he continues to push the boundaries of technology and innovation. His work has had a significant impact on the development of advanced imaging systems.

Collaborations

He collaborates with talented coworkers, including Vamshi Krishna Reddy Ani Reddy and Shubham Agrawal, who contribute to the innovative projects at Texas Instruments Corporation.

Conclusion

Venkata Subhash Chandra Sadhu is a prominent figure in the field of time-of-flight technology, with a focus on enhancing the capabilities of imaging systems. His patents reflect his dedication to innovation and his contributions to the industry will likely influence future advancements.