@Vincent50 : those (dark / blurry / infrequent) pictures can still be of use : I frequently ride a bicycle along back roads which - going by the date filter in Mapillary - haven’t been covered for several years : in that case, any pic showing that there’s still a sign which looks like the one photographed years ago confirms continued existence; similarly, a missing sign* - even if blurred - will show something has changed. * that could be a sign in the current, but not in the previous sequence, or a sign in the earlier but not in the recent sequence.
Then there are roads where the relevant authority never bothered to put up any signs : one picture every so often serves to show that the road was documented, there’s just ‘nothing to see here’ - or I may point the camera sideways to show autumn colours, or point it down to record a fine smooth or an atrocious road surface - as the case may be.
In itself, the camera used (an Olympus Tough TG-5) is capable of taking excellent pictures - on a tripod, but there is an issue with the thing sometimes dithering before deciding which picture mode to use, and the intelligent image stabilisation can’t always cope with ‘jerky’ movement - leading to ‘late’ and blurry pics.
EDIT : the camera produces a shutter sound and shows a blank screen for an instant in a way one would have expected from a 35mm film SLR, but those are indeed simulated, and do not coincide with the actual picture being taken; as confirmed when the shutter sound is set to off in a really quiet area : the screen gets blanked at a set interval after pressing the shutter, but when you listen really carefully there is a faint ‘click’ at a later moment, that interval being random and occasionally showing the camera being put back in the protective pouch when relying on the simulated sound to indicate the picture had been taken : that’s how long it may take for the camera to eventually take the picture, and obviously that will mean a blurred picture, which may still show more than no picture at all would, which is why it’ll be uploaded regardless. / end of edit /
It may still be helpful to grade pics, but then in combination with routing software which enables me to plan a route taking in several ways not yet covered, or covered long ago, or under adverse conditions, or with a camera which we’d now consider inadequate. And obviously allowing to specify walking / cycling / motor vehicle as means of transport. www.brouter.de offers such a routing engine, and it offers a Mapillary overlay, but doesn’t (yet) allow to limit ways shown to those not covered in the past two years.