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Project description

thetaexif is a Python library for RICOH THETA image. It provides a EXIF reader class and a rectification tool.


  • Python 2.7 (not support 3.x)
  • Pillow
  • Numpy

For rectification function:

  • Cython
  • Scipy or OpenCV Python bindings


$ pip install thetaexif


In Python

>>> from thetaexif import TagReader, tag
>>> reader = TagReader.load('image.jpg')
>>> reader[tag.FIRMWARE_VERSION]
>>> reader[tag.THETA_SUBDIR][tag.ZENITH_ES]
(20.0, -24.0)

In shell

$ python -m thetaexif image.jpg
RecordingFormat: 2
MakerNoteType: Rdc
FirmwareVersion: Rev0102
SerialNumber: 0000000000000000
RicohCameraType: 1
HDRType: 0
ZenithEs: (20.0, -24.0)
CompassEs: 22.5
AbnormalAcceleration: 0
FilmISO: (100, 0, 100, 0)
Aperture: (2.1, 2.1)
ExposureTime: (0.00025, 0.00025)
SensorSerial1: A0015348
SensorSerial2: A0015357

Rectification (requires Cython)

If you install thetaexif with Cython, theta-rectify command is available. It reads gyroscope and compass data and rotate images to rectify camera pose.

Rectify image.jpg and save to image_rectified.jpg:

$ theta-rectify image.jpg

Rectify image.jpg using compass data (rotate image to face the north):

$ theta-rectify -c image.jpg


0.1 (2014-06-22)

  • Initial release

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