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store the best recent person image and reconnect the RTSP stream if unable to grab several consecutive frames

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blakeblackshear
2019-02-27 20:55:07 -06:00
parent 2e3c9da650
commit df7b90e367
4 changed files with 109 additions and 8 deletions
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README.md
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@@ -2,6 +2,7 @@
This results in a MJPEG stream with objects identified that has a lower latency than directly viewing the RTSP feed with VLC.
- Prioritizes realtime processing over frames per second. Dropping frames is fine.
- OpenCV runs in a separate process so it can grab frames as quickly as possible to ensure there aren't old frames in the buffer
- Allows you to define specific regions (squares) in the image to look for motion/objects
- Motion detection runs in a separate process per region and signals to object detection to avoid wasting CPU cycles to look for objects when there is no motion
- Object detection with Tensorflow runs in a separate process per region and ignores frames that are more than 0.5 seconds old
- Uses shared memory arrays for handing frames between processes
@@ -45,16 +46,17 @@ Access the mjpeg stream at http://localhost:5000
- [x] Add last will and availability for MQTT
- [ ] Build tensorflow from source for CPU optimizations
- [ ] Add ability to turn detection on and off via MQTT
- [ ] MQTT reconnect if disconnected
- [ ] MQTT reconnect if disconnected (and resend availability message)
- [ ] MQTT motion occasionally gets stuck ON
- [ ] Output movie clips of people for notifications, etc.
- [x] Store highest scoring person frame from most recent event
- [x] Add a max size for motion and objects (height/width > 1.5, total area > 1500 and < 100,000)
- [x] Make motion less sensitive to rain
- [x] Use Events or Conditions to signal between threads rather than polling a value
- [x] Implement a debug option to save images with detected objects
- [x] Only report if x% of the recent frames have a person to avoid single frame false positives (maybe take an average of the person scores in the past x frames?)
- [x] Filter out detected objects that are not the right size
- [ ] Make resilient to network drop outs
- [x] Make RTSP resilient to network drop outs
- [ ] Merge bounding boxes that span multiple regions
- [ ] Switch to a config file
- [ ] Allow motion regions to be different than object detection regions