---
title: "Recovering Surface Shape from Boundary"
authors:
  - "Gang Xu"
  - "Saburo Tsuji"
doi: ""
url: "https://ijcai.org/proceedings/1987/146"
pdf: "https://ijcai.org/proceedings/1987/0146.pdf"
venue: "Proceedings of the Tenth International Joint Conference on Artificial Intelligence"
year: 1987
pages: "731-732"
track: "Perception"
keywords:
---

# Recovering Surface Shape from Boundary

Gang Xu, Saburo Tsuji

*Proceedings of the Tenth International Joint Conference on Artificial Intelligence*, pages 731-732.

## Abstract

Humans can recover the shape of a surface from Its Image boundary. The authors have presented a new approach to shape from boundary[4). It Includes three points: the line of curvature (LOC) ~egularlty, an algorithm for constructing LOC net from boundary, and the computation of surface orientation from LOC net. Briefing these Ideas, this paper examines the underlying problems of the approach and proposes Improvements.