Mirrors/blakeblackshear.frigate
1
0
Fork 0
mirror of https://github.com/blakeblackshear/frigate.git synced 2025-02-23 00:18:31 +01:00
Code Issues Projects Releases Wiki Activity

make dynamic contrast optional and disable by default

Browse Source
This commit is contained in:
Blake Blackshear 2022-03-10 07:43:12 -06:00
parent 0dfba6e8d9
commit b1a2b0cda2
3 changed files with 15 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
docs/docs/configuration/index.md
View File

@ -171,7 +171,7 @@ detect:
# It can also be used to disable stationary object tracking. For example, you may want to set a value for person, but leave # It can also be used to disable stationary object tracking. For example, you may want to set a value for person, but leave
# car at the default. # car at the default.
# WARNING: Setting these values overrides default behavior and disables stationary object tracking. # WARNING: Setting these values overrides default behavior and disables stationary object tracking.
# There are very few situations where you would want it disabled. It is NOT recommended to # There are very few situations where you would want it disabled. It is NOT recommended to
# copy these values from the example config into your config unless you know they are needed. # copy these values from the example config into your config unless you know they are needed.
max_frames: max_frames:
# Optional: Default for all object types (default: not set, track forever) # Optional: Default for all object types (default: not set, track forever)
@ -236,6 +236,10 @@ motion:
# Optional: motion mask # Optional: motion mask
# NOTE: see docs for more detailed info on creating masks # NOTE: see docs for more detailed info on creating masks
mask: 0,900,1080,900,1080,1920,0,1920 mask: 0,900,1080,900,1080,1920,0,1920
# Optional: improve contrast (default: shown below)
# Enables dynamic contrast improvement. This should help improve night detections at the cost of making motion detection more sensitive
# for daytime.
improve_contrast: False
# Optional: Record configuration # Optional: Record configuration
# NOTE: Can be overridden at the camera level # NOTE: Can be overridden at the camera level

1
frigate/config.py
View File

@ -122,6 +122,7 @@ class MotionConfig(FrigateBaseModel):
ge=1, ge=1,
le=255, le=255,
) )
improve_contrast: bool = Field(default=False, title="Improve Contrast")
contour_area: Optional[int] = Field(default=30, title="Contour Area") contour_area: Optional[int] = Field(default=30, title="Contour Area")
delta_alpha: float = Field(default=0.2, title="Delta Alpha") delta_alpha: float = Field(default=0.2, title="Delta Alpha")
frame_alpha: float = Field(default=0.2, title="Frame Alpha") frame_alpha: float = Field(default=0.2, title="Frame Alpha")

17
frigate/motion.py
View File

@ -38,14 +38,15 @@ class MotionDetector:
) )
# Improve contrast # Improve contrast
minval = np.percentile(resized_frame, 4) if self.config.improve_contrast:
maxval = np.percentile(resized_frame, 96) minval = np.percentile(resized_frame, 4)
# don't adjust if the image is a single color maxval = np.percentile(resized_frame, 96)
if minval < maxval: # don't adjust if the image is a single color
resized_frame = np.clip(resized_frame, minval, maxval) if minval < maxval:
resized_frame = ( resized_frame = np.clip(resized_frame, minval, maxval)
((resized_frame - minval) / (maxval - minval)) * 255 resized_frame = (
).astype(np.uint8) ((resized_frame - minval) / (maxval - minval)) * 255
).astype(np.uint8)
# mask frame # mask frame
resized_frame[self.mask] = [255] resized_frame[self.mask] = [255]