Abstract: An image sensor unit is disclosed that includes an array of image sensing pixels, arranged in a plurality of rows and a plurality of columns, wherein each pixel is individually addressable. Each row of pixels is controlled via a row control in communication with the row of pixels in the array via a row addressing line, and capable of selectively addressing one or more of the plurality of rows. Each column of pixels is controlled by a column control in communication with each column of pixels in the array via a column addressing line, and capable of selectively addressing one or more of the plurality of columns. A unit controller is configured to specify selective readout of one or more pixel readout signals by instructing the row and column control to address one or more specific rows and columns of the array.