Tumbleweed advances the war on spam with new adaptive image filtering technology

Tumbleweed Communications announced Adaptive Image Filtering, its anti-image spam technology. Detects image spam by analyzing email images using an image-processing technique called a wavelet transform which reduces the image to a mathematical formula that represents the structure of the image, but allows for variation, a technique known as fuzzy matching.  More

Tumbleweed Communications announced Adaptive Image Filtering, its anti-image spam technology. Detects image spam by analyzing email images using an image-processing technique called a wavelet transform which reduces the image to a mathematical formula that represents the structure of the image, but allows for variation, a technique known as fuzzy matching.  More

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