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AIML Research Seminar: Crater-based pose estimation for cislunar located spacecraft
- Date: Tue, 30 Apr 2024
- Location: AIML
In this presentation, Sofia demonstrated how we can estimate cislunar located spacecraft through a crater-based pose estimation pipeline. Her research focus lies in the final pose estimation step of the pipeline, where she has conclusively addressed the weaknesses of current pose estimation methods by developing a robust perspective-n-crater algorithm. As part of this research, Sofia interned for three months at Japan鈥檚 National Institute of Information and Communication Technology and discussed what it was like working and living in Japan.
AIML Special Presentation: Trustworthy AI
- Date: Mon, 29 Apr 2024
- Location: AIML
Out-of-distribution (OOD) detection aims to let a well-trained classifier tell what it does NOT know, instead of wrongly recognising an unknown object as a known one. For example, for a well-trained flower recognition model, we want it to tell users 鈥淚 don鈥檛 know鈥 when users show a car image to it, instead of telling users that it is a kind of flower. In this talk, Dr Liu presented one advance in OOD detection theory and two recent OOD scores: one based on in-distribution prior and the other based on the pre-trained vision-language model CLIP.
AIML Research Seminar: Improving Efficiency of Foundation Models
- Date: Tue, 16 Apr 2024
- Location: AIML
Large deep learning models or foundation models such as chatGPT or GPT-4 have been the key factor in driving the recent new wave of AI breakthrough, resulting in huge social and economic impacts. However, even GPT-3 (the predecessor of ChatGPT) was trained on half a trillion words and equipped with 175 billion parameters, which required huge computing resource and energy consumption.
[Read more about AIML Research Seminar: Improving Efficiency of Foundation Models]
AIML Special Guest Presentation: Exploring the Earth and space with micro-satellites
- Date: Wed, 3 Apr 2024
- Location: AIML
In the past, space utilisation has required long preparation times and high budgets, but the 50 kg optical satellites we have developed and have successfully launched six times can be fabricated in a few years with a budget of 3-7 M USD and can be launched for 1-2 M USD, e.g. using carpool launch opportunities. This means that universities and relatively small companies can own and operate their own satellites, even if they are not national space organisations.
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