Abstract
Ground-based sky imaging has won popularity due to its higher temporal and spatial resolution when compared with satellite or air-borne sky imaging systems. Cloud identification and segmentation is the first step in several areas, such as climate research and lately photovoltaic power generation forecast. Cloud-sky segmentation involves several variables including sun position and type and altitude of clouds. We proposed a training-free cloud/sky segmentation based on a threshold that adapts to the cloud formation conditions. Experimental results show that the proposed method reaches higher detection accuracy against state-of-the-art algorithms; additionally, qualitative results over hemispherical high dynamic range (HDR) sky images are provided. The proposed cloud segmentation method can be applied to shading prediction for photovoltaic (PV) systems.
| Original language | English |
|---|---|
| Title of host publication | 10th International Conference on Information, Intelligence, Systems and Applications, IISA 2019 |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| ISBN (Electronic) | 9781728149592 |
| DOIs | |
| State | Published - Jul 2019 |
| Externally published | Yes |
| Event | 10th International Conference on Information, Intelligence, Systems and Applications, IISA 2019 - Patras, Greece Duration: 15 Jul 2019 → 17 Jul 2019 |
Publication series
| Name | 10th International Conference on Information, Intelligence, Systems and Applications, IISA 2019 |
|---|
Conference
| Conference | 10th International Conference on Information, Intelligence, Systems and Applications, IISA 2019 |
|---|---|
| Country/Territory | Greece |
| City | Patras |
| Period | 15/07/19 → 17/07/19 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- Cloud segmentation
- Curve fitting
- Ground-based sky imaging
- PV systems
- Solar arrays
- Training-free
- Whole sky imager
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