Digital Image Anti-counterfeiting Technology

There are many trademarks and logos around the world. Every trademark or logo represents its own brand or intellectual property. However, some people who are interested will benefit from counterfeiting trademarks or logos. As the number of counterfeit cases has increased, the technology of anti-counterfeiting has gradually been taken. Watermark is the protection method of today's trademarks. Since the naked eye cannot guarantee the recognition rate, this study uses scientific and technical testing methods to distinguish the authenticity of the trademark. Through the method of this study combined with watermarking technology, not only the problem of misjudgment is improved, but also the location and area where the image has been tampered with can be accurately determined. It also enhances image recovery and image quality in tamper areas.