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The Votronic, from 1965, was the first optical mark vote tabulator able to sense marks made with a graphite pencil. [1] The oldest optical-scan voting systems scan ballots using optical mark recognition scanners. Voters mark their choice in a voting response location, usually filling a rectangle, circle or oval, or by completing an arrow.
Scanner marked multiple candidates with black line. In an optical scan voting system, each voter's choices are marked on one or more pieces of paper, which then go through a scanner. The scanner creates an electronic image of each ballot, interprets it, creates a tally for each candidate, and usually stores the image for later review.
Scantegrity is a security enhancement for optical scan voting systems, providing such systems with end-to-end (E2E) verifiability of election results. It uses confirmation codes to allow a voter to prove to themselves that their ballot is included unmodified in the final tally.
Counting ballots by an optical scanner, San Jose, California, 2018. In an optical scan voting system, or marksense, each voter's choices are marked on one or more pieces of paper, which then go through a scanner. The scanner creates an electronic image of each ballot, interprets it, creates a tally for each candidate, and usually stores the ...
The DS200 accepts two types of ballots: an optical scan ballot which is the regular ballot used in every election and ballot scan cards from ExpressVote machines.
Counting ballots by an optical scanner, San Jose, California, 2018. In an optical scan voting system, or marksense, each voter's choices are marked on one or more pieces of paper, which then go through a scanner. The scanner creates an electronic image of each ballot, interprets it, creates a tally for each candidate, and usually stores the ...
More than 75% of U.S. voters in 2020 cast ballots that were counted by optical scan machines, according to data compiled by the MIT Election Data and Science Lab. Less than 1 percent of ballots ...
SDU voting computers (Violating the secrecy of the ballot using Van Eck phreaking, tested by the Dutch secret service AIVD) [21] Attacks have also been performed on both DRE machines and optical scan voting machines, which count paper ballots. (See California study, "Security Analysis of the Diebold AccuBasic Interpreter" [22]).