Ashish Roopan ashish-roopan

## actionrecognitiondatasets.md

      
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                jin-zhe
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              March 18, 2024 23:47
            
              
                An overview of action recognition datasets and their detection classes
              
          
    Activity Recognition Datasets

An overview of recent action recognition datasets and their detection classes
Concepts & terminologies:


Action: Atomic low-level movement such as standing up, sitting down, walking, talking etc.
Activity/event: Higher level occurence then actions such as dining, playing, dancing
Trimmed video: A short video clip containing event/action/activity of interest
Untrimmed video: A video clip of arbitrary length potentially containing durations without activities of interest
Localization: locating an instance of event/action/activity within a video at a spatial or temporal scale
Spatial localization: Locating the region/area of an instance of action/activity within a video


## whiteboardCleaner.md

      
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                lelandbatey
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              June 16, 2024 13:44
            
              
                Whiteboard Picture Cleaner - Shell one-liner/script to clean up and beautify photos of whiteboards!
              
          
    Description

This simple script will take a picture of a whiteboard and use parts of the ImageMagick library with sane defaults to clean it up tremendously.
The script is here:
#!/bin/bash
convert "$1" -morphology Convolve DoG:15,100,0 -negate -normalize -blur 0x1 -channel RBG -level 60%,91%,0.1 "$2"

Results