Mapping with Bebop

PIX4Dcapture PIX4Dcapture Questions/Troubleshooting
1

Good day bebop owners.

I want to hear from those of you who to mapping with the Bebop. Please share your experiences with the Bebop and Pix4d

2

I state that I am using the demo version …

a) I tried to upload the photos to dng but I found some problems:

  1. it recognizes the camera as BebopDrone_1.8_256x206 (with 256x206 is the resolution).
  2. When performing the process of photos of 90 wheel alignment and this makes it difficult to position the gpc’s, I think because of all this, is not a correct alignment and eliminates most of the photos.

b) I tried to use photos of “preview” in jpg that bebop creates when taking dng files, things went much better:

  1. as the camera model it recognizes BebopDrone_1.8_4096x3320 and resolution mentioned seems correct, however, confuses the new height and width, in fact the images are used rotated 90 degrees. This makes it very difficult to position the gpc’s, as before.
  2. however, even without gpc’s allinemento properly process the image and the result seems correct, but unsatisfactory (the pixel is about 25-26 cm …), because I think the quality of the picture is low compared to dng.

In any case I do not understand why you can not see the list of cameras to assign the one with the correct resolution pictures dng, but it shows only one camera, one that “feels” right.

I hope someone has experienced and has volgia to share and eventualente correct my actions.

3

Because of its low weight (< 0.5 kg), the Bebop 2 is a very interesting drone. However, mainly because of the limited camera quality, I honestly doubt that it can be used for serious mapping projects.

Any hands-on experience so far?
Can anyone provide an orthomosaic, based on images taken by a Bebop 2?

Thanks a lot.

4

Hi all,

The camera angle of Bebop 2 is not well suited for DSM and orthomosaic generation. We better recommend it for mapping buildings and reconstruction of facades. It is more appropriate to obtain 3D textured meshes.

For recommendations when mapping with Bebop 2 please see: https://support.pix4d.com/hc/en-us/articles/208085636
Bebop 2 dataset example and step by step procedure to process: https://support.pix4d.com/hc/en-us/articles/209620783

Pix4Dmapper can process images taken with any cameras, DSLR, large format or lightweight compact camera, perspective or fisheye lens, and using any applications. The only requirement is to have .jpg or .tif images therefore .dng format cannot work so far.

The resolution of Bebop 2 even in .jpg should give good result. The pixel size you mention refers to what we call the ground sampling distance (GSD), which is the image pixel size or precision of your data. This accounts for the flight height (or perpendicular distance to the object) and the camera resolution (quality). Flying closer to objects provides high resolution results.

The links below could help.

Regards,

5

Is it possible to change the angle of the camera in the Bebop 2 using Pix4Dcapture? I am able to change the angle of the camera in free flight pro, but when I go back to using Pix4Dcapture it seems to go back to the default angle – and everybody’s telling me I’m getting too much sky. How do I properly compensate? Thanks in advance for your help

6

Hi Brent,

Did you try to change the camera angle in the settings of the mission?
You can find more information here: https://support.pix4d.com/hc/en-us/articles/115001875506

Cheers,

7

Hi everybody,

I have the same problem with Pix4D capture on Android and my Bebop2. Do you know how to set the camera angle and to choose the picture format ( RAW/DNG, JPEG, JPEG 180, JPG snap…) before the mission starts. This can be done on FreeFlightPro but every missions with Pix4Dcapture give me fisheye and DNG files.

Thank you for your precious help.