ImageWatermarking

Introduction

Watermark Factory is a simple website to help you add your own watermark to your image. You can also try to extract watermark from an image to check if it is your image.

Demonstration

Watermark Factory

Feature

1. Freely choose your image to be added watermark and your watermark image.
2. Extract watermark from an image to see if it is your watermark.
3. Support color image in PNG format with a 32 bit depth.

Issue

1. Size is restricted to 255*255 for all image.
2. Format of the image is restricted to PNG.
3. Extracted watermark has only 4 scales for each RGB channel although it is distinguishable.

Technology

• Server end: Nodejs(libs: express, ejs, formidable, gm, pngjs)
• Browser end: HTML, CSS, jQuery

Author

Liang Shuailong(@Shuailong)

zju_shuailong@163.com