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Model selection when designing deep learning systems for specific use-cases can be a challenging task as many options exist and it can be difficult to know the trade-off between them. Therefore, we investigate a number of state of the art CNN models for the task of measuring kernel fragmentation in harvested corn silage. The models are evaluated across a number of feature extractors and image sizes in order to determine optimal model design choices based upon the trade-off between model complexity, accuracy and speed. We show that accuracy improvements can be made with more complex meta-architectures and speed can be optimised by decreasing the image size with only slight losses in accuracy. Additionally, we show improvements in Average Precision at an Intersection over Union of 0.5 of up to 20 percentage points while also decreasing inference time in comparison to previously published work. This result for better model selection enables opportunities for creating systems that can aid farmers in improving their silage quality while harvesting.
|Publication date||26 Apr 2020|
|Publication status||Published - 26 Apr 2020|
|Event||ICLR 2020 Workshop on Computer Vision for Agriculture (CV4A) - Virtual|
Duration: 26 Apr 2020 → 26 Apr 2020
|Workshop||ICLR 2020 Workshop on Computer Vision for Agriculture (CV4A)|
|Period||26/04/2020 → 26/04/2020|