title: Special-purpose computer HORN-5 for a real-time electroholography.
abstract: In electroholography, a real-time reconstruction is one of the grand challenges. To realize it, we developed a parallelized high performance computing board for computer-generated hologram, named HORN-5 board, where four large-scale field programmable gate array chips were mounted. The number of circuits for hologram calculation implemented to the board was 1,408. The board calculated a hologram at higher speed by 360 times than a personal computer with Pentium4 processor. A personal computer connected with four HORN-5 boards calculated a hologram of 1,408 x 1,050 made from a three-dimensional object consisting of 10,000 points at 0.0023 s. In other words, beyond at video rate (30 frames / s), it realized a real-time reconstruction.
authors.forename: Tomoyoshi
authors.initials: T
authors.lastname: Ito
authors.forename: Nobuyuki
authors.initials: N
authors.lastname: Masuda
authors.forename: Kotaro
authors.initials: K
authors.lastname: Yoshimura
authors.forename: Atsushi
authors.initials: A
authors.lastname: Shiraki
authors.forename: Tomoyoshi
authors.initials: T
authors.lastname: Shimobaba
authors.forename: Takashige
authors.initials: T
authors.lastname: Sugie