Embedded ROM-based multi-bit, multi-kernel, multi-channel weights in individual pixels for in-pixel computing
AssigneeUniversity of Southern California
InventorsAkhilesh Jaiswal, Ajey P. Jacob, Zihan Yin
Life of this patent
Estimating the term…
Abstract
Provided is an integrated circuit comprising: an amplifier; a sensor electrically connected to a first input of the amplifier; and a set of weights electrically connected to a second input of the amplifier, wherein the amplifier is configured weight an output of the sensor according to an output of the set of weights. Provided is an array of integrated circuits comprising an amplifier; a sensor electrically connected to a first input of the amplifier; and a set of weights electrically connected to a second input of the amplifier, wherein the amplifier is configured weight an output of the sensor according to an output of the set of weights.
Claims23
An integrated circuit comprising:
- an amplifier, wherein the amplifier comprises an amplifying transistor;
- a sensor electrically connected to a first input of the amplifier, wherein the sensor comprises a photosensor;
- and
- a set of weights electrically connected to a second input of the amplifier,
- wherein the set of weights comprises parallel weights,
- wherein the amplifier is configured to weight an output of the sensor according to an output of the set of weights, and
- wherein the parallel weights are electrically connected to a source of the amplifying transistor.
A device comprising:
- an array of cells, each of the cells comprising one or more integrated circuits comprising:
- an amplifier;
- a sensor electrically connected to a first input of the amplifier;
- and
- a set of weighting elements electrically connected to a second input of the amplifier,
- wherein the amplifier is configured to weight an output of the sensor according to an output of the set of weighting elements;
- and
- one or more processors;
- and
- a tangible, non-transitory, machine-readable medium storing instructions that when executed by the one or more processors effectuate operations comprising:
- writing a weight value to at least one weighting element of the one or more weighting elements, wherein the written weight value is stored through power interruption;
- selecting one or more weighting elements of the set of weighting elements;
- providing sensor input to the array;
- and
- determining outputs of the cells of the array corresponding to the sensor input based on the selected one or more weighting elements.
A method of integration comprising:
- fabricating an array of cells, each of the cells comprising one or more integrated circuits comprising:
- an amplifier, wherein the amplifier comprises an amplifying transistor;
- a sensor electrically connected to a first input of the amplifier, wherein the sensor comprises a photosensor;
- and
- a set of weighting elements electrically connected to a second input of the amplifier,
- wherein the set of weights comprises parallel weights,
- wherein the amplifier is configured to weight an output of the sensor according to an output of the set of weighting elements, and
- wherein the parallel weights are electrically connected to a source of the amplifying transistor.
Dependencies are inferred from the claim text.