luminance intensity 中文意思是什麼

luminance intensity 解釋
發光強度
  • luminance : n. 1. 發光，光亮。2. 亮度，耀度，照度，發光率[密度]。
  • intensity : n. 1. （思想、感情的）強烈，激烈。2. 強度。3. 【攝影】（底片的）明暗度。
  1. This arithmetic divides the wavelet coefficients of carrier image into 27 - classes by the background luminance, the texture and the edge mask character of visual system ; then after encrypting watermark image with magic cube transformation, the ycbcr model is employed, it embeds the watermark sequences in the carrier image with different intensity according to the coefficients " classes of carrier image in y channel

    首先，將載體rgb圖像轉換到ycbcr顏色空間，然後提取亮度通道y ，將其進行小波變換，然後利用人眼視覺模型對載體圖象分解后的小波系數進行分類。其次，對有意義的水印圖像分別進行3次不同的魔方置亂，得到3個隨機水印序列。
  2. First, after the foreground is retrieved, the luminance test is used to reduce part the object region that has higher pixel ’ s intensity in the foreground than the corresponding background

    演算法首先對提取出來的前景區域進行亮度測試，去除前景區域中像素亮度值高於對應背景區域的區域。
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