Caption Japanese troops in gas masks in Shanghai, China, Sep-Nov 1937, photo 1 of 2 Photographer Unknown Source United States Naval Institute Link to Source Link More on... Second Battle of Shanghai Main article Photos Maps Type 11 Main article Photos Photo Size 466 x 313 pixels ...
The introduction of mustard gas was a leading cause in the creation of gas masks for the Allied armies. By the end of the war, both sides of the fight had contributed to chemical warfare. In the years following, many veterans found themselves with irreparable damage to their bodies and ...
The spatial feature vectors g k and zk can be derived from edge extraction, smoothing, noise reduction masks, min and max values, etc. Besides, the coordinates of each pixel can be used as additional features. According to the above analysis, color domain and spatial domain are concatenated ...