After scanning the object image and labeling the connected component, the background and foreground noise could be removed easily by threshold value area expunction.
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。