Method for Displaying Images on Display Screen

An apparatus comprising a display screen on which an image is displayed at a targeted position on the display screen, the apparatus comprising:

• display means for displaying, on the display screen, an image on which the targeted position is not displayed;
• means for setting a first position specified on the image displayed on the display screen, and a second position being a point symmetry of the first position with respect to a center of the displayed image;
• display means for displaying the image while reducing a display magnification of the displayed image to a certain magnification to a degree with which the targeted position can be identified in the image, employing the second position as a center;
• and
• display means for displaying the image while enlarging the displayed image to another certain magnification, employing the targeted position or a designated neighboring point as a center on the image obtained after the magnification change.

A method of searching for an image at a targeted position on an image displayed on a display screen, the method comprising the steps of:

• displaying, on the display screen, an image on which the targeted position is not displayed;
• setting a first position specified on the image displayed on the display screen, and a second position being a point symmetry of the first position with respect to a center of the displayed image;
• displaying the image while reducing a display magnification of the displayed image to a certain magnification to a degree with which the targeted position can be identified in the image, employing the second position as a center;
• and
• displaying the image while enlarging the displayed image to another certain magnification, employing a third position as a center on the image obtained after the magnification change, the third position being located in a direction leading away from the first position to the second position, and at least near the targeted position.

A computer program product for displaying an image including a targeted position on a display screen of a computer system, the computer program product comprising computer readable medium having computer usable code, wherein said computer usable code when loaded onto the computer system cases the computer system to perform the steps of:

• displaying, on the display screen, an image on which the targeted position is not displayed;
• setting a first position specified on the image displayed on the display screen, and a second position being a point symmetry of the first position with respect to a center of the displayed image;
• displaying the image while reducing a display magnification of the displayed image to a certain magnification to a degree with which the targeted position can be identified in the image, employing the second position as a center;
• and
• displaying the image while enlarging the displayed image to another certain magnification, employing the targeted position or a designated neighboring point as a center on the image obtained after the magnification change.