An apparatus comprising: a first image sensor configured to capture a first image comprising a plurality of pixels arranged in a plurality of rows and columns; a second image sensor spaced apart from the first image sensor, the second image sensor configured to capture a second image comprising a plurality of pixels arranged in a plurality of rows and columns; a diversity combine module configured to combine image data from the first and second image sensors (132, 134); characterized by: an image processing module configured to generate a vertical one-dimensional mapping for the first sensor by summing for each row of the first image all the pixel values along said row and to generate a vertical one-dimensional mapping for the second sensor by summing for each row of the second image all the pixel values along said row; a controller configured to: determine a maximum one-dimensional cross correlation of a portion of the first image and a portion of the second image, the maximum one-dimensional cross correlation determined based on a correlation of data in a range of the vertical one-dimensional mapping of the first sensor and the vertical one-dimensional mapping of the second sensor, and determine a vertical mismatch offset corresponding to the maximum one-dimensional cross correlation, wherein the diversity combine module is configured to use the vertical mismatch offset to combine image data from the first and second image sensors (132, 134). a first image sensor configured to capture a first image comprising a plurality of pixels arranged in a plurality of rows and columns; a second image sensor spaced apart from the first image sensor, the second image sensor configured to capture a second image comprising a plurality of pixels arranged in a plurality of rows and columns; a diversity combine module configured to combine image data from the first and second image sensors (132, 134); characterized by: an image processing module configured to generate a vertical one-dimensional mapping for the first sensor by summing for each row of the first image all the pixel values along said row and to generate a vertical one-dimensional mapping for the second sensor by summing for each row of the second image all the pixel values along said row; a controller configured to: determine a maximum one-dimensional cross correlation of a portion of the first image and a portion of the second image, the maximum one-dimensional cross correlation determined based on a correlation of data in a range of the vertical one-dimensional mapping of the first sensor and the vertical one-dimensional mapping of the second sensor, and determine a vertical mismatch offset corresponding to the maximum one-dimensional cross correlation, wherein the diversity combine module is configured to use the vertical mismatch offset to combine image data from the first and second image sensors (132, 134). an image processing module configured to generate a vertical one-dimensional mapping for the first sensor by summing for each row of the first image all the pixel values along said row and to generate a vertical one-dimensional mapping for the second sensor by summing for each row of the second image all the pixel values along said row; a controller configured to: determine a maximum one-dimensional cross correlation of a portion of the first image and a portion of the second image, the maximum one-dimensional cross correlation determined based on a correlation of data in a range of the vertical one-dimensional mapping of the first sensor and the vertical one-dimensional mapping of the second sensor, and determine a vertical mismatch offset corresponding to the maximum one-dimensional cross correlation, wherein the diversity combine module is configured to use the vertical mismatch offset to combine image data from the first and second image sensors (132, 134). determine a maximum one-dimensional cross correlation of a portion of the first image and a portion of the second image, the maximum one-dimensional cross correlation determined based on a correlation of data in a range of the vertical one-dimensional mapping of the first sensor and the vertical one-dimensional mapping of the second sensor, and determine a vertical mismatch offset corresponding to the maximum one-dimensional cross correlation, wherein the diversity combine module is configured to use the vertical mismatch offset to combine image data from the first and second image sensors (132, 134).