After scanning the object image and labeling the connected component, the background and foreground noise could be removed easily by threshold value area expunction.
该方法仅需对图像作一次全扫描即可标记物体所有连通部分，统计标识号，根据阈值面积消除法即可快速去除图像中所有前景和背景噪声。
After scanning the object image and labeling the connected component, the background and foreground noise could be removed easily by threshold value area expunction.
该方法仅需对图像作一次全扫描即可标记物体所有连通部分，统计标识号，根据阈值面积消除法即可快速去除图像中所有前景和背景噪声。
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