A vision recognition apparatus in a digital device, comprising: an image sensor including a plurality of pixels having different sensitivities, a portion of the plurality of pixels being designated as vision pixels to be used for vision recognition; a first digital signal converter configured to digitally convert signals output from the designated vision pixels; a second digital signal converter configured to digitally convert signals output from the plurality of pixels; and an integrated image processor configured to: generate, in a vision recognition mode, recognition image data to be used for vision recognition by using optical information obtained from the designated vision pixels by processing signals output from the first digital signal converter and perform vision recognition by identifying and detecting a specific object included in the generated recognition image data; and generate, in a shooting mode, capturing image data by processing signals output from the second digital signal converter; wherein a number of the designated vision pixels to be used for vision recognition is determined depending on a resolution of the recognition image data, wherein a resolution of the recognition image data is less than a resolution of the capturing image data, wherein the designated vision pixels have higher sensitivities among the plurality of pixels having different sensitivities, the designated vision pixels being white pixels, and wherein the captured image data is generated based on results obtained by performing pixel interpolation on optical information of the designated vision pixels. an image sensor including a plurality of pixels having different sensitivities, a portion of the plurality of pixels being designated as vision pixels to be used for vision recognition; a first digital signal converter configured to digitally convert signals output from the designated vision pixels; a second digital signal converter configured to digitally convert signals output from the plurality of pixels; and an integrated image processor configured to: generate, in a vision recognition mode, recognition image data to be used for vision recognition by using optical information obtained from the designated vision pixels by processing signals output from the first digital signal converter and perform vision recognition by identifying and detecting a specific object included in the generated recognition image data; and generate, in a shooting mode, capturing image data by processing signals output from the second digital signal converter; wherein a number of the designated vision pixels to be used for vision recognition is determined depending on a resolution of the recognition image data, wherein a resolution of the recognition image data is less than a resolution of the capturing image data, wherein the designated vision pixels have higher sensitivities among the plurality of pixels having different sensitivities, the designated vision pixels being white pixels, and wherein the captured image data is generated based on results obtained by performing pixel interpolation on optical information of the designated vision pixels. generate, in a vision recognition mode, recognition image data to be used for vision recognition by using optical information obtained from the designated vision pixels by processing signals output from the first digital signal converter and perform vision recognition by identifying and detecting a specific object included in the generated recognition image data; and generate, in a shooting mode, capturing image data by processing signals output from the second digital signal converter; wherein a number of the designated vision pixels to be used for vision recognition is determined depending on a resolution of the recognition image data, wherein a resolution of the recognition image data is less than a resolution of the capturing image data, wherein the designated vision pixels have higher sensitivities among the plurality of pixels having different sensitivities, the designated vision pixels being white pixels, and wherein the captured image data is generated based on results obtained by performing pixel interpolation on optical information of the designated vision pixels.