This book contains 15 reviewed papers selected from among those presented at the 4th Vision Interface Conference in Halifax, Canada 14 18 May 1990. The papers are grouped into three sections which deal with parallel architectures and neural networks, algorithms for analysis and processing, and systems and applications. Contents: VLSI Implementation of Focal Plane Processing for Smart Vision Sensing "(D Poussart et al.)"Kalman Filter for Image Restoration and Its VLSI Implementation "(H-D Cheng & J-Y Zhang)"Image Segmentation by Texture Using Tuned Convolutions "(J You & H A Cohen)"High-Performance Reading Machines "(S N Srihari)"Designing Sensor-Driven Robotic Systems "(M M Trivedi)"Neural Dynamics of Static and Motion Visual Segmentation "(E Mingolla)"A Handwriting Interface to a Schematic Pseudocode Generator "(F Nouboud & R Plamondon)"and other papers Readership: Computer scientists and electrical engineers. "