Top all-time · #6418
Matthew Earl
Personal blog · matthewearl.github.ioprogrammingscience
Matthew Earl writes Matt’s Ramblings, a personal blog at matthewearl.github.io about programming and science. Since 2015, 12 different Hacker News readers have linked it 19 times, most often “Reprojecting the Perseverance landing footage onto satellite imagery”. The last post was in 2021, but the archive is still widely read.
Too few sampled comments (1) to say how often HN recommends it.?
Why HN links it
HN readers link this blog for posts on tracking fast-moving flying objects such as drones. The one comment here discusses infrared retroreflectors and multi-camera setups, and does not judge the writing.
Summarised by Claude from a sample of 1 HN comments that link here. Each comment is marked recommending, critical or neutral (citing without judging); how this works.
Most-linked posts?
- Reprojecting the Perseverance landing footage onto satellite imagery3 people · 3 mentions · first linked 2021-03-13
- How I Solved GCHQ's Xmas Card with Python and Pycosat. (Explanation and Source)2 people · 2 mentions · first linked 2015-12-11
- Creating a Pluto flyby using unaligned New Horizons images2 people · 2 mentions · first linked 2015-08-13
- Extracting Super Mario Bros levels with Python2 people · 2 mentions · first linked 2018-06-29
What Hacker News says?
Hey, interesting question! I think using ground-based equipment to accurately measure the position of fast-moving drones in a large outdoor volume might be quite difficult. A pretty common way to do this indoors is to attach infrared retroreflectors to the object. You then have infrared cameras in different locations. Each camera viewpoint restricts the possible location of the marker to a cylinder along its view ax…
Comment linking /2021/03/06/mars2020-reproject/
on “Ask HN: How to track flying objects?”Submitted Reprojecting the Perseverance landing footage onto satellite imagery as a story · 633 points
HN discussionSubmitted Face swapping with Python, dlib, and OpenCV as a story · 296 points
HN discussionSubmitted Number plate recognition with Tensorflow as a story · 238 points
HN discussionSubmitted Extracting Super Mario Bros levels with Python as a story · 166 points
HN discussionSubmitted Path Tracing Quake in Blender as a story · 155 points
HN discussionSubmitted Creating a Pluto flyby using unaligned New Horizons images as a story · 130 points
HN discussionSubmitted How I wrote a script to generate faces by inverting Haar cascades with Python as a story · 64 points
HN discussionSubmitted Creating a Pluto flyby using unaligned New Horizons images as a story · 12 points
HN discussionSubmitted I made an ALPR system with Tensorflow and ConvNets (explanation and source) as a story · 10 points
HN discussionSubmitted 12 years in 15 seconds: Aligning and condensing a self-portrait time-lapse as a story · 7 points
HN discussionSubmitted How I Solved GCHQ's Xmas Card with Python and Pycosat. (Explanation and Source) as a story · 6 points
HN discussionSubmitted Creating a Pluto flyby using unaligned New Horizons images as a story · 5 points
HN discussionSubmitted Bresenham and Efficient Pulse-Width Modulation as a story · 4 points
HN discussionSubmitted Reprojecting the Perseverance landing footage onto satellite imagery as a story · 4 points
HN discussionSubmitted Extracting Super Mario Bros levels with 6502 emulator written in Python as a story · 3 points
HN discussionSubmitted Solving the GCHQ Christmas Card with Python and PycoSAT as a story · 3 points
HN discussionSubmitted Path Tracing Quake in Blender as a story · 2 points
HN discussionSubmitted Solving the GCHQ christmas card with Python and pycosat as a story · 2 points
HN discussion