PROBLEM TO BE SOLVED: To provide a signal processing device capable of producing a high resolution image at a low cost.SOLUTION: The digital panoramic radiography device (the signal processing device) 1 is provided with a large-capacity frame image storing means (an image signal storing means) 7 and an image signal processing means (a signal adding means) 10. The large-capacity frame image storing means has a plurality of memory areas for pixels corresponding to areas in which pixels of an X-ray imaging means 3 are more narrowly divided than the pixel width. The image signal processing means proportionally divides the values of signals output from a first pixel according to the position of the first pixel in moving, integrates the values in memory areas for the first pixel, proportionally divides X rays passing prescribed points according to the position of a second pixel in moving to be received next after the first pixel, and integrates the values of signals output from the second pixel in the memory areas for the first pixel.COPYRIGHT: (C)2009,JPO&INPIT【課題】低コストで高解像度の画像を生成することのできる信号処理装置を提供する。【解決手段】デジタルパノラマ撮影装置(信号処理装置)1は、X線撮像手段3の備える画素を画素幅より細かく分割した領域に対応した複数個のメモリ領域を画素ごとに有する大容量フレーム画像記憶手段(画像信号記憶手段)7と、X線撮像手段3の第1画素が所定の画素幅だけ移動する時間内において、第1画素から出力される信号の値を第1画素の移動中の位置に応じて案分して第1画素用の各メモリ領域に積算すると共に、所定点を通過するX線を第1画素の次に受光する第2画素の移動中の位置に応じて案分して第2画素から出力される信号の値を第1画素用の各メモリ領域に積算する画像信号処理手段(信号積算手段)10とを備える。【選択図】図1
