Abstract: The present invention relates to a method of identifying object images displayed in a camera image, the method comprising the step of, comparing a predetermined point mapped in the camera image in a spherical polar coordinates with a position of the camera as an origin, with a plurality of cursor windows including the object images respectively in the camera image, in which vertexes and center point of each window are mapped in the camera image in a spherical polar coordinates with a position of the camera as an origin, so that an object included in a cursor window corresponding to the predetermined point is identified.

Abstract: An image signal captured by a monitor camera is input to an image processing device, displayed on a multiwindow display, and stored in a main storage device. A sound signal collected by a mike is input to a sound processing device, regenerated through a speaker, and stored in the main storage device. Process data transmitted from a process data controller are displayed on the display and stored in the main storage device. If an abnormal condition is detected in a monitored object, often the data stored in the main storage device before or after the abnormal condition has occurred are saved into a auxiliary storage device. When data are regenerate, the saved data are synchronized with each other while being regenerated on the display and through the speaker.

Abstract: An image reconstructing operation unit reconstructs an image by a two- or three-dimensional Fourier transform. The unit comprises a plurality of operating mechanisms for performing an operation to reconstruct an image, a plurality of local memory mechanisms, provided correspondingly to the operating mechanisms, provided correspondingly to the operating mechanisms, for storing data used in the operations and the operation results, a shared memory mechanism for storing data after the first- and second-dimension processes and the first-, second-, and third-dimension processes, a data transmission mechanism for transmitting data between the local memory mechanism and the shared memory mechanism, and an instruction control mechanism for controlling the operation of each mechanism and its timing.