&lt;title&gt;Supporting fast interactions within a heterogeneous vision system including a programmable retina&lt;/title&gt;

Nguyen, Robert; Nguyen, Philippe; Berthet, Thierry

doi:10.1117/12.262532

Cited by 1 publication

(2 citation statements)

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“…As previously mentioned, it is worth hardwiring a control unit (cf fig.l) for fast sequence generation without saturating the I/O bandwidth of the host processor [9]. The solutions presented on fig.8 completely unburden the host processor.…”

Section: 2) An Advanced Symmetrical Strategymentioning

confidence: 97%

“…The solutions presented on fig.8 completely unburden the host processor. For any symmetrical movement within a given area, say a centered square [-d,+d]x[-d,+d], the host processor just sends a pointer to the control unit which generates a thread [9] (a sequence which cannot be interrupted) that sequences the retina clocks. Fig.8a corresponds to a fully precompiled (not to say brute force) version: the (2d+1)2 threads are stored in RAM as they are.…”

Section: 2) An Advanced Symmetrical Strategymentioning

confidence: 99%

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Hardware-software aspects of shift-register based NEWS networks for the focal plane

Nguyen

Mercier²,

Jullian³

et al.

Proceedings Fourth IEEE International Workshop on Computer Architecture for Machine Perception. CAMP'97

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Processing medium-size images right in the chip where they are sensed has now become technologically possible. Such devices are called artificial retinas. ln order to set up a whole programmable boolean array processor in the focal plane, a specific NEWS interconnection network is required that trades off between speed, silicon area, energy consumption, and controllability. Shift-register based solutions are considered here. A first scalable design is presented in which silicon area only is minimized, as the major constraint. Its performances are then quantitatively analysed with respect to the three other criteria and shown to present some significant weaknesses. This leads to relax the area constraint and to propose a second solution that improves the overall trade-off at the expense of a small area increase.

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Section: 2) An Advanced Symmetrical Strategymentioning

confidence: 97%

Section: 2) An Advanced Symmetrical Strategymentioning

confidence: 99%