Two novel strategies for incremental searching of interest patterns are proposed in context of sequential search of multiple patterns in the scene. One is based on a scheme based on union operation to extend search regions depending on all of the proceeding searches, which can possibly adapt the search to some local distortion in the scene or the objects. Another strategy utilizes incremental setting of confidence intervals to the search regions depending on their statistics in position errors of respective patterns. In addition to them, a new scheme of repetitive trials for realizing reliability in the search. By using a set of real objects, many experiments show the effectivity and the efficiency of the proposed strategies.
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