Application of computer vision to bubble detection at a gas-evolving electrode

Abstract A method was developed to measure the geometry of hydrogen bubbles and dynamics of bubble growth at a gas-evolving electrode during electrodeposition by means of digital image processing. Some techniques which provide near-realtime processing on a microcomputer were investigated. Preliminary results affirm the potential of this technique to become a valuable tool for the study of gas-liquid reactors. Further work is warranted particularly with respect to 3-dimensional image processing and multiple bubble detection.