| 摘要 |
<p>The image data representing an imaged object are output from an imaging device (17), and converted through an A/D converter circuit (16) whose output is stored in an image data memory (11). There is provided a display screen divided into predetermined measurement regions. Another data memory (13) stores in advance region designation data that indicate whether individual pixels are inside or outside the measurement regions. The image data and the region designation data stored in the memories (11) and (13) are read out in synchronism for each of the pixels and sent to a display control unit (15). A CPU (19) sets codes to the display control unit (15), such as a code indicating that a special form of display is required for a given region; a code indicating which of binary or halftone images is to be displayed inside and outside a given region, respectively; and a code for designating the threshold level for preparing binary image data. Depending upon the codes thus set, the display control unit (15) forms and outputs video signals that represent either a binary image or a halftone image for display both inside and outside each region.</p> |
