wiki:Hardware/Cameras

Version 3 (modified by mg4089, 3 years ago) ( diff )

Cameras

Installed Cameras Information

Hikvision DS-2CD5585G0-IZHS

Mudd floor 1, towards 120th street Mudd first floor Mech E lab https://www.hikvision.com/uploadfile/image/11769_DatasheetofDS2CD5585G0IZ(H)S.pdf

Hikvision DS-2CD5585G0-IZHS

Mudd 2nd floor, towards Amsterdam balcony camera

Hikvision DS-2CD4AC5F-IZH

12MP Outdoor Network Bullet Camera with Night Vision, 2.8-12mm Lens & Built-In Heater S/N: 212528616: 20191015: installation in Botwinick lab mudd1224, towards 120th street

Hikvision DS-2CD5585G0-IZHS

2.8mm-12mm (8MP) Mudd 12thFloor Balcony towards Amsterdam Avenue

COSMOS Cameras Data-set

1st-floor videos (anonymized*): https://drive.google.com/drive/u/0/folders/1QXrfsLXEKfRfQyc6qzvtg37A0Z1i0io5

2nd-floor videos (anonymized*): https://drive.google.com/drive/u/0/folders/1LR7H4theRazz2_uYHvCFGVVewQmKbWSF

12th-floor videos (120th street): https://drive.google.com/drive/u/0/folders/1SEsocAAIReepdjE4XyVyT4kiqrunv7BU

12th-floor videos (Amsterdam Avenue): https://drive.google.com/drive/u/0/folders/1qC-62s8ohTGg-odyzo7BNw2GDv1OIeoK

Videos in this directory are outputs of the COSMOS YOLOv4 blurring pipeline.

Faces and license plates are anonymized with Gaussian blurred areas defined by bounding box detection coordinates. A high-level overview of the blurring.

*Anonymization workflow:

  1. Frames are read individually from a video file.
  1. Each frame is then:

2.1 Resized to the input size of the specific YOLOv4 model (960x960 or 1440x1440)

2.2 Passed through the YOLOv4 model which outputs bounding box predictions

2.3 Blurred corresponding to the bounding box predictions

  1. Blurred frames are written to the output video file.

The YOLOv4 blurring model is trained in Darknet on the Mudd 1st floor video dataset annotated in Summer 2021. Models are converted from Darknet to Py Torch for integration into the current implementation of the blurring pipeline.

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