double-take

v1.13.1-1.8

Published

a year ago

Unified UI and API for processing and training images for facial recognition

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skrashevich

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Double Take

Unified UI and API for processing and training images for facial recognition.

Why?

There's a lot of great open source software to perform facial recognition, but each of them behave differently. Double Take was created to abstract the complexities of the detection services and combine them into an easy to use UI and API.

Features

Responsive UI and API bundled into single Docker image
Ability to password protect UI and API
Support for multiple detectors
Train and untrain images for subjects
Process images from NVRs
Publish results to MQTT topics
REST API can be invoked by other applications
Disable detection based on a schedule
Home Assistant Add-ons
Preprocess images with OpenCV

Supported Architecture

amd64
arm64

Supported Detectors

Supported NVRs

Frigate

Installation

Docker

docker run -d -v $(pwd)/.double-take:/.storage -p 3000:3000 skrashevich/double-take:latest

Docker Compose

version: '3.7'

volumes:
  double-take:

services:
  double-take:
    container_name: double-take
    image: skrashevich/double-take
    restart: unless-stopped
    volumes:
      - double-take:/.storage
    ports:
      - 3000:3000

Docker (Windows)

To run the Double Take application in Docker on Windows, follow the below instructions:

Install Docker Desktop on Windows system if not already installed.
Open Command Prompt logged in as an administrator.
Pull the Double Take Docker image with the command:
```
docker pull skrashevich/double-take:latest
```
Determine the location you wish to use for the configuration folder. For example: C:\Users\YourUsername\double-take-config .
Run the Docker command to start the Double Take container, replacing the default configuration folder location with your new location:
```
docker run -d -v C:\Users\YourUsername\double-take-config:/.storage -p 3000:3000 skrashevich/double-take:latest 
```

Make sure that the C:\Users\YourUsername\double-take-config directory exists and you have the necessary permissions for that folder. If the folder does not exist, create it before running the Docker command.

If all went well, your NodeJS app should now be up and running inside a Docker container. You can check your application by visiting http://localhost:3000.

Integrations

Frigate

Subscribe to Frigate's MQTT topics and process images for analysis.

mqtt:
  host: localhost

frigate:
  url: http://localhost:5000

When the frigate/events topic is updated the API begins to process the snapshot.jpg and latest.jpg images from Frigate's API. These images are passed from the API to the configured detector(s) until a match is found that meets the configured requirements. To improve the chances of finding a match, the processing of the images will repeat until the amount of retries is exhausted or a match is found.

When the frigate/+/person/snapshot topic is updated the API will process that image with the configured detector(s). It is recommended to increase the MQTT snapshot size in the Frigate camera config.

cameras:
  front-door:
    mqtt:
      timestamp: False
      bounding_box: False
      crop: True
      quality: 100
      height: 500

If a match is found the image is saved to /.storage/matches/<filename>.

Home Assistant

Trigger automations / notifications when images are processed.

If the MQTT integration is configured within Home Assistant, then sensors will automatically be created.

Notification Automation

This notification will work for both matches and unknown results. The message can be customized with any of the attributes from the entity.

alias: Notify
trigger:
  - platform: state
    entity_id: sensor.double_take_david
  - platform: state
    entity_id: sensor.double_take_unknown
condition:
  - condition: template
    value_template: '{{ trigger.to_state.state != trigger.from_state.state }}'
action:
  - service: notify.mobile_app
    data:
      message: |-
        {% if trigger.to_state.attributes.match is defined %}
          {{trigger.to_state.attributes.friendly_name}} is near the {{trigger.to_state.state}} @ {{trigger.to_state.attributes.match.confidence}}% by {{trigger.to_state.attributes.match.detector}}:{{trigger.to_state.attributes.match.type}} taking {{trigger.to_state.attributes.attempts}} attempt(s) @ {{trigger.to_state.attributes.duration}} sec
        {% elif trigger.to_state.attributes.unknown is defined %}
          unknown is near the {{trigger.to_state.state}} @ {{trigger.to_state.attributes.unknown.confidence}}% by {{trigger.to_state.attributes.unknown.detector}}:{{trigger.to_state.attributes.unknown.type}} taking {{trigger.to_state.attributes.attempts}} attempt(s) @ {{trigger.to_state.attributes.duration}} sec
        {% endif %}
      data:
        attachment:
          url: |-
            {% if trigger.to_state.attributes.match is defined %}
              http://localhost:3000/api/storage/matches/{{trigger.to_state.attributes.match.filename}}?box=true&token={{trigger.to_state.attributes.token}}
            {% elif trigger.to_state.attributes.unknown is defined %}
               http://localhost:3000/api/storage/matches/{{trigger.to_state.attributes.unknown.filename}}?box=true&token={{trigger.to_state.attributes.token}}
            {% endif %}
        actions:
          - action: URI
            title: View Image
            uri: |-
              {% if trigger.to_state.attributes.match is defined %}
                http://localhost:3000/api/storage/matches/{{trigger.to_state.attributes.match.filename}}?box=true&token={{trigger.to_state.attributes.token}}
              {% elif trigger.to_state.attributes.unknown is defined %}
                 http://localhost:3000/api/storage/matches/{{trigger.to_state.attributes.unknown.filename}}?box=true&token={{trigger.to_state.attributes.token}}
              {% endif %}
mode: parallel
max: 10

MQTT

Publish results to double-take/matches/<name> and double-take/cameras/<camera>. The number of results will also be published to double-take/cameras/<camera>/person and will reset back to 0 after 30 seconds.

Errors from the API will be published to double-take/errors.

mqtt:
  host: localhost

double-take/matches/david

{
  "id": "1623906078.684285-5l9hw6",
  "duration": 1.26,
  "timestamp": "2021-06-17T05:01:36.030Z",
  "attempts": 3,
  "camera": "living-room",
  "zones": [],
  "match": {
    "name": "david",
    "confidence": 66.07,
    "match": true,
    "box": { "top": 308, "left": 1018, "width": 164, "height": 177 },
    "type": "latest",
    "duration": 0.28,
    "detector": "compreface",
    "filename": "2f07d1ad-9252-43fd-9233-2786a36a15a9.jpg",
    "base64": null
  }
}

double-take/cameras/back-door

{
  "id": "ff894ff3-2215-4cea-befa-43fe00898b65",
  "duration": 4.25,
  "timestamp": "2021-06-17T03:19:55.695Z",
  "attempts": 5,
  "camera": "back-door",
  "zones": [],
  "matches": [
    {
      "name": "david",
      "confidence": 100,
      "match": true,
      "box": { "top": 286, "left": 744, "width": 319, "height": 397 },
      "type": "manual",
      "duration": 0.8,
      "detector": "compreface",
      "filename": "dcb772de-d8e8-4074-9bce-15dbba5955c5.jpg",
      "base64": null
    }
  ],
  "misses": [],
  "unknowns": [],
  "counts": { "person": 1, "match": 1, "miss": 0, "unknown": 0 }
}

Notify Services

Gotify

notify:
  gotify:
    url: http://localhost:8080
    token:

notify:
  telegram:
    token: 
    chat_id: "12345678"

chat_id must be in quotes

API Images

Match images are saved to /.storage/matches and can be accessed via http://localhost:3000/api/storage/matches/<filename>.

Training images are saved to /.storage/train and can be accessed via http://localhost:3000/api/storage/train/<name>/<filename>.

Latest images are saved to /.storage/latest and can be accessed via http://localhost:3000/api/storage/latest/<name|camera>.jpg.

| Query Parameters | Description | Default | | ---------------- | ------------------------------ | ------- | | box | Show bounding box around faces | false | | token | Access token | |

UI

The UI is accessible via http://localhost:3000.

Matches: /
Train: /train
Config: /config
Access Tokens: /tokens (if authentication is enabled)

Authentication

Enable authentication to password protect the UI. This is recommended if running Double Take behind a reverse proxy which is exposed to the internet.

auth: true

API

Documentation can be viewed on Here.

Configuration

Configurable options are saved to /.storage/config/config.yml and are editable via the UI at http://localhost:3000/config. Default values do not need to be specified in configuration unless they need to be overwritten.

`auth`

# enable authentication for ui and api (default: shown below)
auth: false

`token`

# if authentication is enabled
# age of access token in api response and mqtt topics (default: shown below)
# expressed in seconds or a string describing a time span zeit/ms
# https://github.com/vercel/ms
token:
  image: 24h

`mqtt`

# enable mqtt subscribing and publishing (default: shown below)
mqtt:
  host:
  username:
  password:
  client_id:

  tls:
    # cert chains in PEM format: /path/to/client.crt
    cert:
    # private keys in PEM format: /path/to/client.key
    key:
    # optionally override the trusted CA certificates: /path/to/ca.crt
    ca:
    # if true the server will reject any connection which is not authorized with the list of supplied CAs
    reject_unauthorized: false

  topics:
    # mqtt topic for frigate message subscription
    frigate: frigate/events
    #  mqtt topic for home assistant discovery subscription
    homeassistant: homeassistant
    # mqtt topic where matches are published by name
    matches: double-take/matches
    # mqtt topic where matches are published by camera name
    cameras: double-take/cameras

`detect`

# global detect settings (default: shown below)
detect:
  match:
    # save match images
    save: true
    # include base64 encoded string in api results and mqtt messages
    # options: true, false, box
    base64: false
    # minimum confidence needed to consider a result a match
    confidence: 60
    # hours to keep match images until they are deleted
    purge: 168
    # minimum area in pixels to consider a result a match
    min_area: 10000

  unknown:
    # save unknown images
    save: true
    # include base64 encoded string in api results and mqtt messages
    # options: true, false, box
    base64: false
    # minimum confidence needed before classifying a name as unknown
    confidence: 40
    # hours to keep unknown images until they are deleted
    purge: 8
    # minimum area in pixels to keep an unknown result
    min_area: 0

`frigate`

# frigate settings (default: shown below)
frigate:
  url:

  # if double take should send matches back to frigate as a sub label
  # NOTE: requires frigate 0.11.0+
  update_sub_labels: false

  # stop the processing loop if a match is found
  # if set to false all image attempts will be processed before determining the best match
  stop_on_match: true

  # ignore detected areas so small that face recognition would be difficult
  # quadrupling the min_area of the detector is a good start
  # does not apply to MQTT events
  min_area: 0

  # object labels that are allowed for facial recognition
  labels:
    - person

  attempts:
    # number of times double take will request a frigate latest.jpg for facial recognition
    latest: 10
    # number of times double take will request a frigate snapshot.jpg for facial recognition
    snapshot: 10
    # process frigate images from frigate/+/person/snapshot topics
    mqtt: true
    # add a delay expressed in seconds between each detection loop
    delay: 0

  image:
    # height of frigate image passed for facial recognition
    height: 500

  # only process images from specific cameras
  cameras:
    # - front-door
    # - garage

  # only process images from specific zones
  zones:
    # - camera: garage
    #   zone: driveway

  # override frigate attempts and image per camera
  events:
    # front-door:
    #   attempts:
    #     # number of times double take will request a frigate latest.jpg for facial recognition
    #     latest: 5
    #     # number of times double take will request a frigate snapshot.jpg for facial recognition
    #     snapshot: 5
    #     # process frigate images from frigate/<camera-name>/person/snapshot topic
    #     mqtt: false
    #     # add a delay expressed in seconds between each detection loop
    #     delay: 1

    #   image:
    #     # height of frigate image passed for facial recognition (only if using default latest.jpg and snapshot.jpg)
    #     height: 1000
    #     # custom image that will be used in place of latest.jpg
    #     latest: http://camera-url.com/image.jpg
    #     # custom image that will be used in place of snapshot.jpg
    #     snapshot: http://camera-url.com/image.jpg

    # This option allows setting a custom time delay for the MQTT home
    # assistant device tracker.                                                   
                                                                                
    # By adjusting  device_tracker_timeout , users can determine how long they    
    # want to wait before receiving a 'not_home' message when no person is        
    # recognized. The time delay is implemented in minutes and the default value  
    # is set to 30 minutes
    device_tracker_timeout: 30

`cameras`

# camera settings (default: shown below)
cameras:
  front-door:
    # apply masks before processing image
    # masks:
    #   # list of x,y coordinates to define the polygon of the zone
    #   coordinates:
    #     - 1920,0,1920,328,1638,305,1646,0
    #   # show the mask on the final saved image (helpful for debugging)
    #   visible: false
    #   # size of camera stream used in resizing masks
    #   size: 1920x1080

    # override global detect variables per camera
    # detect:
    #   match:
    #     # save match images
    #     save: true
    #     # include base64 encoded string in api results and mqtt messages
    #     # options: true, false, box
    #     base64: false
    #     # minimum confidence needed to consider a result a match
    #     confidence: 60
    #     # minimum area in pixels to consider a result a match
    #     min_area: 10000

    #   unknown:
    #     # save unknown images
    #     save: true
    #     # include base64 encoded string in api results and mqtt messages
    #     # options: true, false, box
    #     base64: false
    #     # minimum confidence needed before classifying a match name as unknown
    #     confidence: 40
    #     # minimum area in pixels to keep an unknown result
    #     min_area: 0

    # snapshot:
    #   # process any jpeg encoded mqtt topic for facial recognition
    #   topic:
    #   # process any http image for facial recognition
    #   url:

`detectors`

# detector settings (default: shown below)
detectors:
  compreface:
    url:
    # recognition api key
    key:
    # number of seconds before the request times out and is aborted
    timeout: 15
    # minimum required confidence that a recognized face is actually a face
    # value is between 0.0 and 1.0
    det_prob_threshold: 0.8
    # require opencv to find a face before processing with detector
    opencv_face_required: false
    # comma-separated slugs of face plugins
    # https://github.com/exadel-inc/CompreFace/blob/master/docs/Face-services-and-plugins.md)
    # face_plugins: mask,gender,age
    # only process images from specific cameras, if omitted then all cameras will be processed
    # cameras:
    #   - front-door
    #   - garage

  rekognition:
    aws_access_key_id: !secret aws_access_key_id
    aws_secret_access_key: !secret aws_secret_access_key
    aws_region:
    collection_id: double-take
    # require opencv to find a face before processing with detector
    opencv_face_required: true
    # only process images from specific cameras, if omitted then all cameras will be processed
    # cameras:
    #   - front-door
    #   - garage

  deepstack:
    url:
    key:
    # number of seconds before the request times out and is aborted
    timeout: 15
    # require opencv to find a face before processing with detector
    opencv_face_required: false
    # only process images from specific cameras, if omitted then all cameras will be processed
    # cameras:
    #   - front-door
    #   - garage

  aiserver:
    url:
    # number of seconds before the request times out and is aborted
    timeout: 15
    # require opencv to find a face before processing with detector
    opencv_face_required: false
    # only process images from specific cameras, if omitted then all cameras will be processed
    # cameras:
    #   - front-door
    #   - garage

  facebox:
    url:
    # number of seconds before the request times out and is aborted
    timeout: 15
    # require opencv to find a face before processing with detector
    opencv_face_required: false
    # only process images from specific cameras, if omitted then all cameras will be processed
    # cameras:
    #   - front-door
    #   - garage

`opencv`

# opencv settings (default: shown below)
# docs: https://docs.opencv.org/4.6.0/d1/de5/classcv_1_1CascadeClassifier.html
opencv:
  scale_factor: 1.05
  min_neighbors: 4.5
  min_size_width: 30
  min_size_height: 30

`schedule`

# schedule settings (default: shown below)
schedule:
  # disable recognition if conditions are met
  disable:
    # - days:
    #     - monday
    #     - tuesday
    #   times:
    #     - 20:00-23:59
    #   cameras:
    #     - office
    # - days:
    #     - tuesday
    #     - wednesday
    #   times:
    #     - 13:00-15:00
    #     - 18:00-20:00
    #   cameras:
    #     - living-room

`notify`

# notify settings (default: shown below)
notify:
  gotify:
    url:
    token:
    priority: 5

    # only notify from specific cameras
    # cameras:
    #   - front-door
    #   - garage

    # only notify from specific zones
    # zones:
    #   - camera: garage
    #     zone: driveway

`time`

# time settings (default: shown below)
time:
  # defaults to iso 8601 format with support for token-based formatting
  # https://github.com/moment/luxon/blob/master/docs/formatting.md#table-of-tokens
  format:
  # time zone used in logs
  timezone: UTC

`logs`

# log settings (default: shown below)
# options: silent, error, warn, info, http, verbose, debug, silly
logs:
  level: info
  sql: false # trace sql queries

`ui`

# ui settings (default: shown below)
ui:
  # base path of ui
  path:

  pagination:
    # number of results per page
    limit: 50

  thumbnails:
    # value between 0-100
    quality: 95
    # value in pixels
    width: 500

  logs:
    # number of lines displayed
    lines: 500

`telemetry`

# telemetry settings (default: shown below)
# self hosted version of plausible.io
# 100% anonymous, used to help improve project
# no cookies and fully compliant with GDPR, CCPA and PECR
telemetry: true

Storing Secrets

Note: If using one of the Home Assistant Add-ons then the default Home Assistant /config/secrets.yaml file is used.

mqtt:
  host: localhost
  username: mqtt
  password: !secret mqtt_password

detectors:
  compreface:
    url: localhost:8000
    key: !secret compreface_key

The secrets.yml file contains the corresponding value assigned to the identifier.

mqtt_password: <password>
compreface_key: <api-key>

Development

Run Local Containers

| Service | | | ------- | ---------------- | | UI | localhost:8080 | | API | localhost:3000 | | MQTT | localhost:1883 |

# start development containers
./.develop/docker up

# remove development containers
./.develop/docker down

Build Local Image

./.develop/build

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