本文介绍了解决在使用FaceFinder_putDCR过程中遇到的错误的方法。关键在于确保创建FaceDetector时正确配置图片尺寸及最大可检测人脸数量，并强调输入图片宽度必须为偶数。
ERROR: Return 0 faces because error exists in btk_FaceFinder_putDCR.
Solution:
Creates a FaceDetector, configured with
the size of the images to be analysed and the maximum number of faces that can be detected. These parameters cannot be changed once the object is constructed.
Note that the width of the image must be even.
传入的图片的宽度必须是偶数的. 真蛋疼！
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