Master Thesis Learning Global-local Representations for Efficient Satellite Image Compression

vor 1 Tag

Ottobrunn, Deutschland IABG Vollzeit

The IABG Innovation Centre is a development incubator for the IABG’s portfolio, which includes major trends in digitization, artificial intelligence, robotics, and sensor networks in the mobility and security sectors.
However, these innovative approaches are mostly tailored to standard RGB images and lack explicit validation for satellite images, which exhibit different spatial and spectral characteristics. In the context of on-board compression to reduce downlink volume, efficiency becomes a core requirement. Given the sheer size of high-resolution satellite images, patch-based processing may be beneficial. Local-only methods risk losing critical global context, which is essential for preserving large-scale spatial patterns and semantic coherence. Furthermore, modeling global patterns across local patches miti-gates redundancy and enables more compact, low-entropy representations. This project aims to develop neural compression methods for satellite imagery, with a focus on global-local representations that can jointly capture broad contextual structure and fine local detail for optimal compression rates.
- Tätigkeit:

- Review state-of-the-art methods for neural-network-assisted image compression.
- Research and develop methods for embedding global context in local encodings.
- Benchmark your proposed algorithm against compression algorithms.
- Voraussetzungen:

- Motivated Master student of Computer Science, Statistics, or related disciplines
- Strong knowledge of deep learning methods and related frameworks (PyTorch preferred)
- Strong programming skills in Python
- Familiarity with satellite imagery is a plus
- Excellent communication skills in English
- Ziele:

- The goals of this master thesis are to develop a new method and novel perspective for compression of large image data, and to improve established compression methods by infusing domain knowledge. Furthermore, the thesis aims to estimate the maturity level for actual deployment of neural compression methods.

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