TV Program Search Using Image Metadata
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Solution Overview
Problem
Current TV program search systems are inefficient as they require users to manually search through channel lists, making it time-consuming to find desired programs.
Innovation Solution
A TV program searching apparatus and method that utilizes additional information, such as GPS data, added to images to identify and retrieve relevant TV programs by comparing this information with broadcasting station data, allowing direct tuning to related channels or displaying future broadcasts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a channel list search system is used to find TV programs, then the system can display channels in channel number order, but it takes much time to find a desired channel or TV program
Solution Approach 1:
The system pre-processes and stores additional information (such as GPS coordinates, program titles, descriptions) from broadcast signals along with channel information. When a user wants to search for a TV program, the system queries this pre-prepared database using the additional information as keywords, rather than sequentially searching through channel lists. This preliminary preparation of search data enables rapid retrieval of desired programs without time-consuming manual channel surfing.
2Measurement precision
If additional information reading units are added to extract GPS and program information, then TV program search accuracy is improved, but device complexity increases
Solution Approach 1:
The additional information reading unit is designed to extract multiple types of information (GPS coordinates, program titles, descriptions, other metadata) from broadcast signals simultaneously using a single integrated component. This multi-functional unit serves both channel identification and program search functions, eliminating the need for separate dedicated components for each function. By making the reading unit universal rather than specialized, the system achieves high search accuracy without proportionally increasing device complexity.
Data Source
AI summary
A TV program searching apparatus includes: an image receiving unit that receives an image having additional information from an external device; an additional information reading unit that reads the additional information from the image received from the image receiving unit; and a TV program searching unit that searches for a TV program related to the additional information using the additional information read by the additional information reading unit.