One of the main difficulties of sketch-based 3D shape retrieval is the significant cross-modal difference between 2D sketches and 3D shapes. Most previous works adopt one-stage methods to directly ...

Abstract: 3D sketch-based modeling in Virtual Reality (VR) or Augmented Reality (AR) enables users to create 3D content more freely and intuitively. However, mid-air sketching always has poor accuracy ...

Sketch mapping is an effective technique to externalize spatial knowledge. However, it has been limited to 2D mediums, making it difficult to represent 3D information, particularly for terrains with ...

Opinions expressed by Entrepreneur contributors are their own. Necessity may indeed be the mother of invention. Sometimes, though, an actual mother is the necessity -- for the inventor at least.

Add articles to your saved list and come back to them any time. Andre Cassagnes, who has died aged 86, was the inventor of Etch A Sketch, a mechanical drawing device that proved to be one of the most ...

Around the world, thousands of people who are missing limbs are wearing custom-fitted replacements. In operating theatres, surgeons are using 3D replicas of their patients’ bodies to guide operations.