Based on autocorrelation detection, the appropriate filter is used in image pretreatment, to improve the detection result.
基于自相关检测，提出采用合适的滤波器对含水印图像进行预处理，以提高检测效果。
To detect the forged parts in a single image with copy-move attack, an autocorrelation detection method based on phase and amplitude spectrum of FFT is proposed.
针对一类单幅图像的复制遮盖篡改，提出一种基于快速傅立叶变换相位和幅度的自相关检测算法对篡改部位进行检测。
Autocorrelation and average magnitude difference function are essential methods in pitch detection.
自相关法和平均幅度差函数是两种常用的基音检测方法。
The endpoint detection based on short-time average magnitude of speech signals relative autocorrelation sequences can be detected in high accuracy under the low signal-to noise ratio.
在较低信噪比情况下，基于语音信号的短时相对自相关序列的短时平均幅度的端点检测能够获得较高的检测精度。
Finally, making use of autocorrelation function characteristic of spread spectrum sequence, watermark information was detected. In the detection process, it is not requisite for initial carrier image.
最后利用扩频序列的自相关函数特征检测出水印信息，检测过程中不需要原始载体图像。
Autocorrelation of frequency-fixed signals always greatly interferes the performance of the detection of frequency-hopping signals based on multi-hop autocorrelation theory.
定频干扰信号的自相关特性严重影响了基于多跳自相关方法的跳频信号检测性能。
To enhance the accuracy and efficiency of endpoint detection, a detection method based on Circular Autocorrelation Function(CACF) is proposed.
为提高浊音端点检测的准确率和效率，提出一种基于循环自相关函数的检测方法。
The autocorrelation pitch detection algorithm is the key technique for speech signal processing, and its efficiency directly affects the quality of real-time speech processing.
自相关基音检测算法是语音信号处理的关键技术，算法的效率直接影响语音信号实时处理的质量。
In this paper, a new pitch detection method based on classical autocorrelation function is proposed.
阐述了一种新的基于语音线性预测模型和经典自相关函数法的基音周期检测算法。
In this paper, a new pitch detection method based on classical autocorrelation function is proposed.
阐述了一种新的基于语音线性预测模型和经典自相关函数法的基音周期检测算法。
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