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Supplies

  1. batteries

  2. Camera with attached lens (handle with care)

  3. Flash

  4. measuring tape

  5. Color checker chart

  6. Stool

1. Setup Bbot and Camera

  1. Attach camera and lens

  2. Turn on BenchBot

2. Thin and Weed Potting Area

Discard weeds or overlapping plants by placing them in a bucket or bag. Do not leave removed weeds or plants on pots or on the landscape fabric. This is to avoid detecting them in the images that we collect.

  1. remove overlapping target weeds in all pots

  2. remove non-target weeds from pots and from the background area

    1. check inside the pots for non-target weeds

    2. check and remove weeds growing from underneath the pots

    3. check for and remove weeds growing on the landscape fabric

SemiField Image Acquisition.jpg

3. Check Camera and Flash Settings

Make sure that the camera settings match what is listed in the camera settings table

  1. Check aperture is correct

  2. check that the focus is correct

  3. Check the flash power

  4. Check height of the lens from the potting soil surface using a measuring tape

  5. Place the colorchecker next to the pot

  6. Take a test images

Camera and Flash Settings Table

Lens height above potting soil surface

Aperture

Focus

Flash Power

1.66 m

4. Check Bbot App settings

BenchBot App Programmed settings table

Semi-Field Potting Area Dimensions

Semi-Field Physical Pot Layout

BB App Programmed Settings

Notes

Site

Width

length

Num Pots Per Row

Number of Rows

On Center pot spacing

Programmed Number of Rows

Pots Per Row

Pot Spacing

Row spacing

X-axis starting

Z-axis height

NC

7.0m

33.5m

15

1.5 ft

15

15

43 cm

43 cm

58 cm

1.7 m

updated 11/12/2024

MD (BARC)

6.1m

39.0m

11

45cm

30cm

Updated 10/19/2024

MD (BARC)

6.1m

39.0m

77

12

50 cm

43 cm

BARC Test 1 7/8/24

6.1m

39.0m

40 cm

25 cm

Amiga not removed from FOV. Successful reconstruction (MD_2024-07-08)

BARC Test 2 7/9/24

6.1m

39m

102

11

50

38

Amiga removed from FOV. Failed reconstruction (only 40 unaligned images)

BARC Test 3 7/11/24

6.1m

39m

12

45

30

Amiga removed from FOV.

NCSU

7.0m

33.5m

79

8

53 cm

38 cm

NCSU Test 1 7/9/24

7.0m

33.5m

40

19

39

25

Start with 3cm offset from home on X axis. Failed reconstruction, however significant improvement. Amiga not removed from FOV

NCSU Test 2 7/11/24

40

17

39

25

Start with 54cm offset

Amiga should not appear in pics

NCSU 7/15/24 to Present

Variable

15

45 cm

30 cm

Start with 73cm offset

Amiga should not appear in pics (but will if the camera is tilted).

NCSU

10/30/24

15

21

46cm

25

15

46 cm

46 cm

this is the start of the collection season. this is the first setting to try

TX

5. Collect images

  1. Initiate bbot collection

6. Break Down Collection Equipment

7. Trouble Shooting

Can’t connect to wifi or can’t remote into the mini computer

  • check that the emergency break isn’t activated

  • restart benchbot

Examples of Plant Spacing and Non-Target Weeds

Non-target weeds

Plant spacing

Avoid overlapping plants. Thin plants when they do overlap. Be liberal when thinning plants. We don’t need to worry about having enough plants. It’s more important to have no overlap than it is to have more plants per plot.

Prioritize no-overlap for plant within a pot and no-overlap of plants from different pots. View below for examples of good plant spacing.

Within-Pot Plant Spacing

Between-Pot Plant Spacing

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