A portable electronic device , comprising: an enclosure that defines an internal volume; a transparent cover secured with the enclosure ; a display assembly covered by the transparent cover , the display assembly comprising: a display layer and a touch input layer , the display layer and the touch input layer defining a notch representing a reduced surface area of the display assembly as compared to that of the transparent cover ; a bracket assembly disposed between the transparent cover and the enclosure ; a vision system configured for object recognition and carried by the bracket assembly in the internal volume such that the vision system is uncovered from the display assembly by the notch , the vision system comprising: a first camera module configured to capture an image of an object; a light emitting module configured to project a dot pattern onto the object; a second camera module configured to capture at least some of the dot pattern that is reflected from the object; and a masking layer defining openings ; wherein the portable electronic device is characterized by further comprising: an alignment module adhered to the transparent cover , the alignment module including openings configured to receive portions of the first and second camera modules and the light emitting module wherein the alignment module is configured to align the first and second camera modules with the openings in the masking layer . an enclosure that defines an internal volume; a transparent cover secured with the enclosure ; a display assembly covered by the transparent cover , the display assembly comprising: a display layer and a touch input layer , the display layer and the touch input layer defining a notch representing a reduced surface area of the display assembly as compared to that of the transparent cover ; a bracket assembly disposed between the transparent cover and the enclosure ; a vision system configured for object recognition and carried by the bracket assembly in the internal volume such that the vision system is uncovered from the display assembly by the notch , the vision system comprising: a first camera module configured to capture an image of an object; a light emitting module configured to project a dot pattern onto the object; a second camera module configured to capture at least some of the dot pattern that is reflected from the object; and a display layer and a touch input layer , the display layer and the touch input layer defining a notch representing a reduced surface area of the display assembly as compared to that of the transparent cover ; a bracket assembly disposed between the transparent cover and the enclosure ; a vision system configured for object recognition and carried by the bracket assembly in the internal volume such that the vision system is uncovered from the display assembly by the notch , the vision system comprising: a first camera module configured to capture an image of an object; a light emitting module configured to project a dot pattern onto the object; a second camera module configured to capture at least some of the dot pattern that is reflected from the object; and a first camera module configured to capture an image of an object; a light emitting module configured to project a dot pattern onto the object; a second camera module configured to capture at least some of the dot pattern that is reflected from the object; and a masking layer defining openings ; wherein the portable electronic device is characterized by further comprising: an alignment module adhered to the transparent cover , the alignment module including openings configured to receive portions of the first and second camera modules and the light emitting module wherein the alignment module is configured to align the first and second camera modules with the openings in the masking layer . <EOS>