Integrated circuit and information signal processing apparatus having multiple processing portions

An information signal processing apparatus for converting a first information signal containing multiple items of first informational data into a second information signal containing multiple items of second informational data, comprising:

• a first processing portion for selecting multiple items of the first informational data positioned in a periphery of a target position in said second information signal based on said first information signal and, based on said multiple items of the first informational data thus selected, detecting a class to which the second informational data of said target position in said second information signal belongs;
• and
• a second processing portion for selecting multiple items of the first informational data positioned in a periphery of the target position in said second information signal based on said first information signal and generating second informational data of the target position in said second information signal by performing an operation using said multiple items of the first informational data thus selected and coefficient data that corresponds to the class detected by said first processing portion,
• wherein said first processing portion and said second processing portion are respectively constituted of integrated circuits each having the same configuration
• wherein said information signal is an image signal;
• and
• wherein said first processing portion comprises:
• a first class-detection processing section for selecting multiple items of the first informational data positioned in a periphery of the target position in said second information signal based on said first information signal and detecting an inter-frame difference based on said multiple items of the first informational data thus selected to detect a motion class that corresponds to said inter-frame difference thus detected;
• and
• a second class-detection processing section for selecting multiple items of the first informational data positioned in a periphery of the target position in said second information signal based on said first information signal and detecting a level distribution based on said multiple items of the first informational data thus selected to detect a space class that corresponds to said level distribution thus detected, and wherein said first class-detection processing section and said second class-detection processing section are respectively constituted of integrated circuits each having the same configuration.

An information signal processing apparatus for converting a first information signal containing multiple items of first informational data into a second information signal containing multiple items of second informational data, comprising:

• a first processing portion for performing filter processing on said first information signal to obtain a third information signal,
• wherein said first processing portion selects multiple items of the first informational data positioned in a periphery of a target position in said third information signal based on said first information signal, and performs an operation using said multiple items of the first informational data thus selected and coefficient data to generate items of third informational data of said target position in said third information signal;
• a second processing portion for selecting multiple items of the third informational data positioned in a periphery of a target position in said second information signal based on said third information signal obtained at said first processing portion and, based on the multiple items of the third informational data thus selected, detecting a class to which the second informational data of said target position in said second information signal belongs;
• and
• a third processing portion for selecting multiple items of the first informational data positioned in a periphery of the target position in said second information signal based on said first information signal and performing an operation using said multiple items of the first informational data thus selected and coefficient data that corresponds to the class detected at said second processing portion, to generate said second informational data of said target position in said second information signal,
• wherein said first processing portion, said second processing portion, and said third processing portion are respectively constituted of integrated circuits each having the same configuration.

An information signal processing apparatus for converting a first information signal containing multiple items of first informational data into a second information signal containing multiple items of second informational data, comprising:

• a first processing portion for performing noise reduction processing on said first information signal to obtain a third information signal,
• wherein said first processing portion selects, based on said first information signal, multiple items of the first informational data positioned in a periphery of a target position in said third information signal and performs a multiply-and-accumulation operation using said multiple items of the first informational data thus selected and coefficient data to generate third informational data of said target position in said third information signal;
• a subtracter for subtracting items of the third informational data that constitute said third information signal generated at said first processing portion from items of the first informational data that constitute said first information signal, to obtain items of noise data that respectively correspond to said items of the first informational data that constitute said first information signal;
• a second processing portion for selecting multiple items of noise data positioned in a periphery of a target position in said second information signal based on said noise data obtained at said subtracter and, based on said multiple items of the noise data thus selected, detecting a class to which the second informational data of said target position in said second information signal belongs;
• and
• a third processing portion for selecting multiple items of the first informational data positioned in a periphery of the target position in said second information signal based on said first information signal and performing a multiply-and-accumulation operation using said multiple items of the first informational data thus selected and coefficient data that corresponds to the class detected at said second processing portion, to generate the second informational data of said target position in said second information signal,
• wherein said first processing portion, said second processing portion, and third processing portion are respectively constituted of integrated circuits each having the same configuration.

An information signal processing apparatus for converting a first information signal containing multiple signal components into a second information signal containing multiple signal components, comprising:

• multiple processing portions each for selecting multiple items of the first informational data positioned in a periphery of a target position in said second information signal based on each of said multiple signal components of said first information signal and detecting classes to which the items of the second informational data of said target position in said second information signal belong based on said multiple items of the first informational data thus selected;
• a class synthesis portion for synthesizing said classes detected at said multiple processing portions to generate one class;
• a data selection portion for selecting said multiple items of the first informational data positioned in a periphery of the target position in said second information signal based on said multiple signal components of said first information signal;
• and
• multiple arithmetic operation portions each for performing an operation using said multiple items of the first informational data selected at said data selection portion and different items of coefficient data corresponding to said class generated at said class synthesis portion, to generate the second informational data of the target position in said multiple signal components of said second information signal,
• wherein said multiple processing portions are respectively constituted of integrated circuits each having said same configuration.