# A challenging case for traffic sign detection

**URL:** <https://forum.mapillary.com/t/a-challenging-case-for-traffic-sign-detection/3087>\
**Category:** Map data and detections\
**Created:** [June 30, 2019, 8:22pm UTC](https://forum.mapillary.com/t/a-challenging-case-for-traffic-sign-detection/3087 "2019-06-30T20:22:26Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Richlv](https://sea1.discourse-cdn.com/flex015/user_avatar/forum.mapillary.com/richlv/32/68232_2.png) [@Richlv](https://forum.mapillary.com/u/Richlv)\
**Post date:** [June 30, 2019, 8:22pm UTC](https://forum.mapillary.com/t/a-challenging-case-for-traffic-sign-detection/3087/1 "2019-06-30T20:22:26Z")

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Here’s a challenging case for traffic sign detection - an upside-down sign that has been (understandably) misdetected. While that’s a problem to be fixed in the real world, perhaps Mapillary team is interested in detecting these - it could be a nice report for cities.

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