The integration of advanced technology into urban infrastructure has sparked curiosity about park chairs capable of matrix detection functions. While conventional benches serve basic seating purposes, emerging smart furniture concepts incorporate sophisticated monitoring systems. These innovative designs utilize embedded sensors and AI processors to analyze environmental data, potentially identifying patterns similar to matrix detection in security systems. The technology operates through discrete micro cameras and pattern recognition software, processing visual information in real-time without compromising public privacy. Current prototypes demonstrate how such benches could enhance urban security by detecting unusual activities or abandoned objects while maintaining aesthetic harmony with natural surroundings. However, implementation faces challenges regarding privacy regulations, technical reliability in outdoor conditions, and public acceptance. Manufacturers are developing solutions that balance functionality with ethical considerations, using anonymized data processing and clear public notifications about smart furniture capabilities. As cities evolve toward smarter infrastructure, these multifunctional benches represent a fascinating convergence of public furniture and security technology, though widespread matrix detection functionality remains in developmental stages rather than common implementation.