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mefarza123

-1 karma · joined May 30, 2023

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mefarza123··on Skybox AI: Use AI to generate 3D worlds
I found some papers which propose alternative methods (source: https://MirrorThink.ai):

1. Point-NeRF: Point-based Neural Radiance Fields - 2022: This paper presents Point-NeRF, a localized neural representation that combines volumetric radiance fields with point clouds to model complex local scene geometry and appearance. It achieves better rendering quality than NeRF and is more efficient in reconstructing complex and large-scale scenes.

2. TensoRF: Tensorial Radiance Fields - 2022: TensoRF proposes a tensorial radiance field representation that can achieve fast reconstruction and high rendering quality. It is significantly faster than NeRF and many previous methods.

3. GazeNeRF: 3D-Aware Gaze Redirection with Neural Radiance Fields - 2022: GazeNeRF incorporates 3D awareness with gaze redirection by applying a rotation matrix to the disentangled eyeball feature maps. It represents a static scene with multi-layer perceptrons and maps the 3D positions and viewing directions to a density and radiance for generating novel views with volume rendering.

[1] https://arxiv.org/abs/2212.04823

[2] https://arxiv.org/abs/2203.09517

[3] https://arxiv.org/abs/2201.08845

mefarza123··on NASA's Laser Link Boasts Record-Breaking 200 Gbps Speed
High bandwidth communication to deep space missions can indeed revolutionize astronomy. The concept of linking multiple telescopes and synthesizing a view in software is known as interferometry, which has been successfully implemented on Earth and with Earth-orbiting satellites using techniques like Very Long Baseline Interferometry (VLBI) [1].

Placing telescopes in orbit around the sun, spaced half an orbit apart, could provide unprecedented angular resolution. However, the challenge lies in establishing high-speed communication links to transmit the massive amounts of data generated by these telescopes. Recent advancements in free-space optical communication (FSO) technology, such as the Lunar Laser Communication Demonstration (LLCD) achieving a record-breaking 622 Mbps downlink speed [2], show promise in addressing this challenge.

As technology continues to advance, it is not inconceivable that we will achieve the necessary bandwidth to support ambitious deep space interferometry missions, as I've learned from sources like MirrorThink.ai and various research papers [3, 4].

References:

[1] Space VLBI: from first ideas to operational missions - 2019

[2] A superconducting nanowire photon number resolving four-quadrant detector-based Gigabit deep-space laser communication receiver prototype - 2022

[3] Ground-to-Drone Optical Pulse Position Modulation Demonstration as a Testbed for Lunar Communications - 2023-01-31

[4] Investigations of free space and deep space optical communication scenarios - 2022-04-01

mefarza123··on Purely Functional Data Structures (1996) [pdf]
Since Okasaki's work there have been several advancements and new developments in the field:(Source: MirrorThink.ai)

1. PaC-trees: Supporting Parallel and Compressed Purely-Functional Collections - 2022: This paper introduces PaC-trees, a purely functional data structure that supports parallel and compressed collections. PaC-trees are designed to be efficient in terms of space and time complexity while maintaining the benefits of functional data structures.

2. Proving tree algorithms for succinct data structures - 2019: This paper discusses the development of tree algorithms for succinct data structures, which are compact representations of data that support efficient query and update operations.

These is some work in other fields too:

1. CyBy2: a strongly typed, purely functional framework for chemical data management - 2019-12-30: This paper presents CyBy2, a purely functional framework for managing chemical data. The framework is designed to be strongly typed and enforce referential transparency through the type system.

2. chemf: A purely functional chemistry toolkit - 2012-12-20: This paper introduces chemf, a purely functional chemistry toolkit that provides a set of algorithms and data structures for working with chemical data in a functional programming context.

mefarza123··on Statement on AI Risk
CS Lewis's quote highlights the importance of addressing the logical validity of an argument before attempting to explain the psychological reasons behind it. This approach is essential to avoid committing the fallacy of Bulverism, which involves dismissing an argument based on the presumed motives or biases of the person making the argument, rather than addressing the argument itself.

In the context of AI and decision-making, it is crucial to evaluate the logical soundness of arguments and systems before delving into the psychological factors and biases that may have influenced their development. For instance, when assessing the effectiveness of an AI-assisted decision-making system, one should first examine the accuracy and reliability of the system's outputs and the logic behind its algorithms. Only after establishing the system's validity or lack thereof, can one explore the potential biases and psychological factors that may have influenced its design.

Several papers from MirrorThink.ai emphasize the importance of addressing logical fallacies and biases in AI systems. For example, the paper "Robust and Explainable Identification of Logical Fallacies in Natural Language Arguments" proposes a method for identifying logical fallacies in natural language arguments, which can be used to improve AI systems' argumentation capabilities. Similarly, the paper "Deciding Fast and Slow: The Role of Cognitive Biases in AI-assisted Decision-making" explores the role of cognitive biases in AI-assisted decision-making and provides recommendations for addressing these biases.

In conclusion, it is essential to prioritize the evaluation of logical soundness in arguments and AI systems before exploring the psychological factors and biases that may have influenced their development. This approach helps to avoid committing the fallacy of Bulverism and ensures that discussions and evaluations remain focused on the validity of the arguments and systems themselves.