Introduction: Shuichi Shiitani is a notable inventor located in Kawasaki, Japan, with an impressive portfolio comprising 33 patents. His contributions to the field of image retrieval technology showcase innovative approaches that enhance the efficiency and accuracy of image selection from vast databases.

Latest Patents: Among his latest inventions are two significant patents focusing on image retrieval systems. The first patent, titled "Image retrieval apparatus," describes a system that utilizes an unlabelled image selector. This device selects unlabelled images from a database and employs a main learner to estimate the relevance of both the images and the user's intent, ultimately providing retrieval results based on this information. Additionally, this apparatus includes an active selector that facilitates user feedback by selecting unlabelled images for user labeling in each feedback round.

The second patent, "Apparatus and method for retrieving image," outlines a method wherein images are categorized through object mapping in different databases. It involves extracting image feature quantities from both a first image group and a second image group. By determining similarity based on these feature quantities, the system can display retrieval results in order of relevance, making the search process more user-friendly and efficient.

Career Highlights: Shuichi Shiitani has made significant strides in his career with Fujitsu Corporation, a prominent player in technology solutions. His role as an inventor at this corporation has enabled him to develop cutting-edge systems that are pivotal in the realm of image retrieval.

Collaborations: Throughout his career, Shuichi has collaborated with esteemed coworkers such as Susumu Endo and Takayuki Baba. Together, they have worked on innovative projects that contribute to advancements in technology, further establishing their reputation in the field.

Conclusion: Shuichi Shiitani's inventive spirit and dedication to improving image retrieval systems have not only garnered him numerous patents but also positioned him as a leading figure in technology development. His innovations continue to impact how images are retrieved and utilized, paving the way for future advancements in the field.

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