Generic Visual Preception Processor - CSE/IT Seminar

Generic visual perception processor is a single chip modeled on the perception capabilities of the human brain, which can detect objects in a motion video signal and then locate and track them in real time. Imitating the human eye s neural networks and the brain, the chip can handle about 20 billion instructions per second. This electronic eye on the chip can handle a task that ranges from sensing the variable parameters as in the form of video signals and then process it for co-Generic visual perception processor is a single chip modeled on the perception capabilities of the human brain, which can detect objects in a motion video signal and then locate and track them in real time.Imitating the human eye s neural networks and the brain, the chip can handle about 20 billion instructions per second.

A visual perception processor for automatically detecting an event occurring in a multidimensional space (i, j) evolving over time with respect to at least one digitized parameter in the form of a digital signal on a data bus, said digital signal being in the form of a succession aijT of binary numbers associated with synchronization signals enabling to define a given instant (T) of the multidimensional space and the position (i, j) in this space, the visual perception processor comprising: the data bus; a control unit a time coincidences bus carrying at least a time coincidence signal; and at least two histogram calculation units for the treatment of the at least one parameter, the histogram calculation units being configured to form a histogram representative of the parameter as a function of a validation signal and to determine by classification a binary classification signal resulting from a comparison of the parameter and a selection criterion C, wherein the classification signal is sent to the time coincidences bus, and wherein the validation signal is produced from time coincidences signals from the time coincidence bus so that the calculation of the histogram depends on the classification signals carried by the time coincidence bus.

A visual perception processor according further comprising, to process several parameters, several histogram calculation units organized into a matrix, wherein each of the calculation units is connected to the data bus and to the time coincidences bus.A visual perception processor according , wherein the memory of the classifier is an addressable memory enabling real time updating of the selection criterion C and having a data input register, an address command register and a writing command register, receiving on its input register the output from the analysis memory and a signal End on its writing command register, the processor further comprising a data input multiplexer with two inputs and one output, receiving on one of its inputs a counting signal and on its other input the succession of data aijT to the address command of the memory of the classifier and an operator OR controlling the address multiplexer and receiving on its inputs an initialization signal and the end signal END.

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