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图像识别的一个核心问题是图像的特征提取,简单描述即为用一组简单的数据(图像描述量)来描述整个图像,这组数据越简单越有代表性越好。良好的特征不受光线、噪点、几何形变的干扰。矩是概率与统计中的一个概念,是随机变量的一种数字特征,并且具有一定的不变性特点。
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fish head kidney
fish hypoxia adaptation
fish immuneorgans, tissues and cells
fish immunology
fish incubator
fish individual fecundity
fish infectious diseases
fishing
Fishing Alone on Frosty River
fishing area
fishing assisted equipment
fishing boats on the river beside mountains
fishing box tap
fishing by hook and line
fishing chart
fishing costs
fishing economy
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fishing foil of Gin nationality
fishing for cuttings
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fishing gear design
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