Fig. 1. Position of planted garlic.
Fig. 2. Design and actual appearance of a garlic upright planter. (a) Detailed parts of garlic upright planter and (b) The actual garlic upright planter with the garlic inlet.
Fig. 3. Image processing fowchart for locating garlic position.
Fig. 4. Growth results of garlic by various seeding positions.
Fig. 5. A typical example of damaged garlic by wrong seeding position. (a) An abnormal growth appearance and (b) A rottenness in the soil.
Fig. 6. Typical examples of normal seeding results when planting with garlic upright planter.
Fig. 7. Analysis of garlic position using image processing (a) Red, Green, Blue (RGB) image of garlic and red arrow indicates supply direction of garlic, (b) Converted RGB image to grayscale, (c) Removed the morphological structuring element from the grayscale, and (d) Converted (c) image to binary image and measured the angle of the roots based on the garlic supply direction
Table 1. Growth results of northern and southern type garlics by seeding position.
Table 2. Results of seeding test using a garlic standard upright planter.