Expanding Spatial Regions and Incorporating IDF for PHOC-Based Math Formula Retrieval at ARQMath-3.

@inproceedings{langsenkamp-2022-expanding, author = {Matt Langsenkamp and Behrooz Mansouri and Richard Zanibbi}, editor = {Guglielmo Faggioli and Nicola Ferro and Allan Hanbury and Martin Potthast}, title = {{Expanding Spatial Regions and Incorporating IDF for PHOC-Based Math Formula Retrieval at ARQMath-3}}, booktitle = {{Proceedings of the Working Notes of CLEF 2022 - Conference and Labs of the Evaluation Forum, Bologna, Italy, September 5th - to - 8th, 2022}}, series = {CEUR Workshop Proceedings}, volume = {3180}, pages = {63--82}, publisher = {CEUR-WS.org}, year = {2022}, url = {https://ceur-ws.org/Vol-3180/paper-04.pdf} }