Four short links: 7 April 2020

1. locust — open source load testing tool: define user behaviour with Python code, and swarm your system with millions of simultaneous users. (via @nzigel)
2. Background Matting — a method for creating a matte – the per-pixel foreground color and alpha – of a person by taking photos or videos in an everyday setting with a handheld camera. Most existing matting methods require a green screen background or a manually created trimap to produce a good matte. With source.
3. Learning to See Through Obstructions — a learning-based approach for removing unwanted obstructions, such as window reflections, fence occlusions or raindrops, from a short sequence of images captured by a moving camera.
4. Covid-19 Primer — algorithmic summaries of Covid-19 research, updated every 24h. (via Sean Gourley)

from Radar https://ift.tt/2yHSF3d