This paper proposes a steganalysis scheme using the difference histogram and image calibration. The message embedding makes the correlation with the neighboring pixels weaken and the random changes of ...

A novel method for retrieving images based on relevance feedback and clustering has been developed. That is, by clustering sets of retrieved data, a user can select some good answers from them by ...

A growing share of Americans say there are important differences between the Republican and Democratic parties, according to a new CNN/SSRS poll. The May survey, released on Sunday, shows 81 ...

Chemical and mineral sunscreens shield your skin from the harmful effects of the sun’s UV rays in very different ways. “Mineral sunscreen ingredients, zinc oxide and titanium dioxide, are ...