Fig. 3
From: Dual-modal edible oil impurity dataset for weak feature detection

(a) is the original image containing impurities. (b) is the median filtering result with a convolution kernel size of 3 × 3.
From: Dual-modal edible oil impurity dataset for weak feature detection
(a) is the original image containing impurities. (b) is the median filtering result with a convolution kernel size of 3 × 3.