* * * DEMIEC * * * PAGE 1 OF 5 IMAGE ENHANCEMENT CONSOLE DEMONSTRATION PROGRAM. PROVIDES FACILITIES FOR DISPLAY AND MANIPULATION OF 12-BIT MONOCHROME IMAGES USING THE IEC-2212 IMAGE ENHANCEMENT CONSOLE. 12-BIT COLOR IMAGES MAY ALSO BE DISPLAYED ONLY. AVAILABLE FUNCTIONS ARE EACH INVOKED BY SINGLE-LETTER ENTRIES (THE FIRST LETTER OF EACH SELECTION) FOLLOWED BY A CARRIAGE RETURN FROM THE FOLLOWING LIST: "NEW FILE/WINDOW/PLOT/FOTO/VIEW/MAGNIFY/HILITE/STATISTICS" NEW FILE - - (N) REPLACES THE DISPLAYED IMAGE WITH THE CONTENTS OF THE IMAGE FILE ON FLOPPY DISK DRIVE 1 (RIGHT SIDE). STRIKE "RETURN" FOR PAGE 2... WINDOW - - (W) ALLOWS MANIPULATION OF A 4096-ELEMENT MONOCHROME INTENSITY TRANSFORMATION TABLE BY TWO VARIETIES OF KEYBOARD INPUT: (1) SPECIFIC CHANGES OF CONTRAST OR BRIGHTNESS WITH NUMERIC INPUT ("C ", "B ") OR (2) CONTINUOUS CHANGES IMPLEMENTED BY THE "U" OR "D" CHARACTER IMMEDIATELY FOLLOWING "C" OR "B" FOR BRIGHTNESS OR CONTRAST CHANGE RESPECTIVELY. THE CHARACTERISTICS OF THE VIEWING WINDOW ARE DISPLAYED IN LINES 7-9 OF THE ANNOTATION FIELD TO THE RIGHT OF THE IMAGE. AN "X" RETURNS TO THE LIST OF AVAILABLE FEATURES. STRIKE "RETURN" FOR PAGE 3... PLOT - - (P) PRODUCES A BLINKING PLOT OF IMAGE INTENSITY FOR ANY SELECTED IMAGE ROW, ALSO HIGHLIGHTING THE SELECTED ROW. THE IMAGE IS OVERWRITTEN BY THE PLOT, THE PLOT BEING "ERASED" BY RE-WRITING THE ORIGINAL IMAGE WHEN A "RETURN" IS STRUCK AFTER PERUSAL OF THE PLOT. FOTO - - (F) ENABLES INTERLACED VIDEO AND INTENSITY REFERENCE SCALE FOR PHOTOGRAPHY OR MONITOR CONTRAST/BRIGHTNESS ADJUSTMENT. VIEW - - (V) RESTORES REPEAT-FIELD (OVERSCAN) VIDEO AND DISABLES INTENSITY REFERENCE SCALE FOR FATIGUE-FREE NORMAL VIEWING. STRIKE "RETURN" FOR PAGE 4... MAGNIFY - - (M) ALLOWS OPERATOR DEFINITION OF A RECTANGULAR REGION-OF-INTEREST BY SPECIFICATION OF DIAGONALLY OPPOSITE COORDINATES WHICH ARE THEN EMPLOYED FOR FOUR-POINT LAGRANGIAN INTERPOLATED MAGNIFICATION BETWEEN EXISTING PIXELS TO FILL THE VIEWING WINDOW WITH THE LARGEST POSSIBLE IMAGE. INTERPOLATION IS FIRST DONE ROW-BY-ROW WITH THE RESULTS WRITTEN TO THE SYSTEM FLOPPY DISK (DRIVE 0, LEFT SIDE), THEN VERTICALLY FROM THE SYSTEM DISK TO THE ID-2212. AS A CONSEQUENCE, A 256-BLOCK SPACE FOR THE SCRATCH FILE MUST BE AVAILABLE ON THE SYSTEM DISK. HILITE - - (H) GENERATES A BLINKING HIGHLIGHTED CONTOUR IN RESPONSE TO OPERATOR INPUT OF CONTOUR CENTER AND WIDTH. THE CONTOUR CONTINUES TO BLINK UNTIL A "RETURN" IS STRUCK: THE OPERATOR THEN HAS THE CHOICE OF PRODUCING ANOTHER CONTOUR OR RETURNING TO THE SELECTION MENU. STRIKE "RETURN" FOR PAGE 5... STATS - - (S) ALLOWS OPERATOR DEFINITION OF A RECTANGULAR REGION-OF-INTEREST, THEN READS THE DATA CONTAINED THEREIN, CALCULATING AREA IN PIXELS, ARITHMETIC MEAN AND STANDARD DEVIATION. THE RESULTANT DATA IS DISPLAYED TO THE RIGHT OF THE IMAGE VIEWING WINDOW. A "RETURN" ERASES THE RECTANGLE OUTLINING THE REGION-OF-INTEREST BY RE-READING THE IMAGE FILE, THEN RETURNING TO THE SELECTION MENU. * * * PAGE 5 OF 5 * * * END OF DEMIEC HELP * * *