The Application of Image Processing in the Criminal Investigation

Image processing technology plays an important role in fighting against crime and criminal cases. In the case investigation, the image processing technology can provide evidence for the trial and the litigation of the case, the case investigators can take this as a clue, and then detect the case. However, due to the external objective factors and the level of its own technology, monitoring system which is used to record video image information often appears degraded, blurred, and cannot reach the desired results. Therefore, this paper discusses the connotation of image processing technology in criminal investigation, and introduces a variety of fuzzy image processing technology, and analyses the contrast ratio enhancement, image to fog and image restoration in detail.