Fig. 1. Framework of the algorithm

Fig. 2. Comparison of original U-Net and improved U-Net

Fig. 3. Bottom-up attention and CNN attention results

Fig. 4. Space science experiment picture categroy quantity chart

Fig. 5. Samples of space science experiment dataset

Fig. 6. Samples of semantic segmentation annotations of the dataset

Fig. 7. Growth experiment of Arabidopsis thaliana and rice in Tiangong-2

Fig. 8. Loss curves of Arabidopsis thaliana and rice growth experiment on Tiangong-2

Fig. 9. Comparisons between segmentation results of between Arabidopsis thaliana and rice growth experiment in Tiangong-2

Fig. 10. Vocabulary candidate extraction for Tiangong-2 Arabidopsis thaliana and rice growth experiment

Fig. 11. Comparison of image caption between Neuraltalk2 and this paper in space science experiment

Fig. 12. Comparison results of image caption between this paper and Neuraltalk2 in space droplet experiment