gray speck的相關資料：
臨近單詞
grayPID
gray
gray level co- occurrence matrix
gray-scale transformation method
Gray-headed Zone-tailed Pigeon
Gray-headed Thicket-Flycatcher
gray correlation projection method
Gray level Co-ocurrence Matrices
gray-primitive intergrowth matrix
gray-level linear transformations
gray-level co-occurrence matrix
gray-scale co-occurrence matrix
