Please help me how to use the local image in this API
You question considers ABBYY Cloud OCR, not FineReader Engine. You can upload your own local image using submitImage Method
Please check Code samples library for the full list of code samples, including the one, which simply uploads and recognized the image.
ABBYY Cloud OCR SDK provides world-leading accuracy of text recognition with no IT costs. Sign up for a free trial now or take a quick product tour.