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-rw-r--r--apps/CameraITS/tests/scene1/test_raw_sensitivity.py79
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diff --git a/apps/CameraITS/tests/scene1/test_raw_sensitivity.py b/apps/CameraITS/tests/scene1/test_raw_sensitivity.py
deleted file mode 100644
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--- a/apps/CameraITS/tests/scene1/test_raw_sensitivity.py
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@@ -1,79 +0,0 @@
-# Copyright 2014 The Android Open Source Project
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-import its.device
-import its.caps
-import its.objects
-import its.image
-import os.path
-import pylab
-import matplotlib
-import matplotlib.pyplot
-
-def main():
- """Capture a set of raw images with increasing gains and measure the noise.
- """
- NAME = os.path.basename(__file__).split(".")[0]
-
- # Each shot must be 1% noisier (by the variance metric) than the previous
- # one.
- VAR_THRESH = 1.01
-
- NUM_STEPS = 5
-
- with its.device.ItsSession() as cam:
-
- props = cam.get_camera_properties()
- if (not its.caps.raw16(props) or
- not its.caps.manual_sensor(props) or
- not its.caps.read_3a(props)):
- print "Test skipped"
- return
-
- # Expose for the scene with min sensitivity
- sens_min, sens_max = props['android.sensor.info.sensitivityRange']
- sens_step = (sens_max - sens_min) / NUM_STEPS
- s_ae,e_ae,_,_,_ = cam.do_3a(get_results=True)
- s_e_prod = s_ae * e_ae
-
- variances = []
- for s in range(sens_min, sens_max, sens_step):
-
- e = int(s_e_prod / float(s))
- req = its.objects.manual_capture_request(s, e)
-
- # Capture raw+yuv, but only look at the raw.
- cap,_ = cam.do_capture(req, cam.CAP_RAW_YUV)
-
- # Measure the variance. Each shot should be noisier than the
- # previous shot (as the gain is increasing).
- plane = its.image.convert_capture_to_planes(cap, props)[1]
- tile = its.image.get_image_patch(plane, 0.45,0.45,0.1,0.1)
- var = its.image.compute_image_variances(tile)[0]
- variances.append(var)
-
- img = its.image.convert_capture_to_rgb_image(cap, props=props)
- its.image.write_image(img, "%s_s=%05d_var=%f.jpg" % (NAME,s,var))
- print "s=%d, e=%d, var=%e"%(s,e,var)
-
- pylab.plot(range(len(variances)), variances)
- matplotlib.pyplot.savefig("%s_variances.png" % (NAME))
-
- # Test that each shot is noisier than the previous one.
- for i in range(len(variances) - 1):
- assert(variances[i] < variances[i+1] / VAR_THRESH)
-
-if __name__ == '__main__':
- main()
-