Ricardo L De Queiroz

Title: Innovator Spotlight: Ricardo L de Queiroz

Introduction:

In the world of technological advancements and patents, Ricardo L de Queiroz has emerged as a prolific innovator. With a notable career in the field of point cloud encoding and decoding, Ricardo's contributions have significantly impacted the realm of 3D video encoding and image data compression. This article delves into his latest patents, highlights his career achievements, and explores his collaborations with esteemed colleagues.

Latest Patents:

Ricardo L de Queiroz has accumulated an impressive 48 patents over the course of his career. Among his latest innovations are two groundbreaking patents:

1. Patent: Motion-compensated compression of dynamic voxelized point clouds

This patent presents exemplary embodiments of innovations in the area of point cloud encoding and decoding. Ricardo's approach focuses on reducing computational complexity during 3D video encoding. By utilizing inter-frame coding techniques, previously encoded/decoded frames are employed to predict current frames. This enables efficient encoding of 3D-point-cloud blocks, enhancing rate-distortion performance through the selection of suitable encoding modes. Moreover, the technology introduces voxel-distortion-correction filters that address distortion errors occurring during voxel compression.

2. Patent: Scalable point cloud compression with transform, and corresponding decompression

Ricardo's innovation in this patent lies in the scalable compression and decompression of point cloud data. By employing a region-adaptive hierarchical transform (RAHT) on attributes of occupied points within point cloud data, the encoder partitions transform coefficients. These partitions can be associated with different regions, spatial resolutions, reconstruction qualities, temporal layers, or their combinations. Through this approach, the decoder has the flexibility to select specific partitions for decoding, allowing efficient compression and decompression of point cloud data.

Career Highlights:

Throughout his career, Ricardo L de Queiroz has worked with renowned companies, bringing his expertise to various technological advancements. Notable highlights of his career include his contributions at Xerox Corporation and Microsoft Corporation, where he played a pivotal role in shaping the innovative landscape.

Collaborations:

Ricardo L de Queiroz has had the privilege of collaborating with distinguished colleagues, fostering a dynamic environment for groundbreaking research and invention. Notably, he has worked closely with Reiner Eschbach and Thyagarajan Balasubramanian, renowned experts in their respective fields. These collaborations have undoubtedly contributed to the success and impact of Ricardo's inventions.

Conclusion:

Ricardo L de Queiroz's accomplishments in the sphere of innovations and patents are undoubtedly remarkable. With his expertise in point cloud encoding and decoding, he has significantly contributed to improving the efficiency and quality of 3D video encoding and compression techniques. Ricardo's remarkable career achievements, collaboration with esteemed colleagues, and dedication to technological advancement make him a true trailblazer in his field.