Engineering notebook

17 January 2019

Derivating HDR-IPT direct and inverse transformations

2020-01-03T22:50:40-05:0017 January 2019|Categories: Image processing|

Following my work on the filmic tonemapping, several users have reported issues with very saturated blue areas (stage spotlights, bright skies) and red areas. The grail of image processing is being able to affect colors and brightness independantly. The big conundrum of tonemapping is raising luminance without affecting perceptual colors, and, by color, [...]

30 November 2018

28 September 2018

5 May 2018

25 April 2018

Optimize a van shelf

2019-08-27T17:07:23-04:0025 April 2018|Categories: Mechanical design|Tags: , , , |

A few weeks ago, I discovered the tiny world of tiny houses and camping-vans and found that quite amazing. However, the current commercial camping vans look pretty sub-optimal to me, because they are equipped with kitchen-style furniture, meaning heavy, stand-alone stuff made of chipwood/OSB panels 1.5 cm thick. See for yourself : [...]