Imaging system and method for detecting target object

A method for detecting a target object, the method comprising:

• capturing an image formed by an imaging optics;
• recognizing a target object candidate in the captured image;
• detecting a magnification of an image of the target object candidate based on distance information of the imaging optics;
• detecting a focus adjustment state of the imaging optics;
• correcting the magnification based on the focus adjustment state with respect to the target object candidate;
• selecting a target object from the target object candidate based on the corrected magnification;
• and
• detecting the target object in the captured image.

An imaging system comprising:

• imaging means for capturing an image formed by an imaging optics;
• recognition means for recognizing a target object candidate in the image captured by the imaging means;
• focus detection means for detecting a focus adjustment state of the imaging optics;
• magnification obtaining means for obtaining a magnification of an image of the target object candidate;
• correcting means for correcting the magnification based on the focus adjustment state with respect to the target object candidate detected by the focus detection means;
• and
• selecting means for selecting a target object from the target object candidate based on the corrected magnification corrected by the correcting means.