Recaptured images are captured original or distorted image shown on the intermediaries. a high-quality recapture image is difficult to distinguish the authenticity of the human eye. Aimed at the tampering operation of JPEG image. a method of detecting block effect grid offset due to re-compression was proposed. https://safeersappliancers.shop/product-category/electrolux-evy7800aax-built-in-combination-microwave-oven-stainless-steel/