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在我们的移动端开发中，需要用到折线图，本篇内容就是用flutter写的一个折线图例程。(In the development of our mobile terminal, we need to use the line chart. This article is a line chart routine written by flutter.)

matlab的图像压缩代码，适合初学者，算法比较简单(Matlab image compression code for beginners, the algorithm is relatively simple)

convert bmp to rgb565(algorithm to handle all kinds of bmp to rgb565)

经典kuan滤波器，用于SAR图像相干斑抑制，提高分类精度。(The classical Kuan filter is used for SAR image speckle suppression and improve classification accuracy.)

聚类有效性指标,比较全，功能比较强大，是学习聚类的好工具(Clustering Validity Indices)

数学形态学去噪 有效地还原了原始信号 去除了振动噪声和基线漂移(signal denoising )

matlab图像处理全局阈值切割，对图像进行边缘化检测。(MATLAB image processing global threshold cutting, edge detection of the image)

该文章包含了计算机视觉方面的论文及代码，如目标追踪、目标检测、人脸识别、机器学习、分割等(this document contains several papers and codes,such as object tracking、object detection、face recognition and so on)

说明：  图像的卡通纹理分解，适用于灰度图像，运行速度较快(The cartoon texture decomposition of image is suitable for grayscale image and runs fast)

主要适用于图像增强的客观质量评价，效果比较好；其实熵值就是求图像的相似度(Mainly applied to the objective of image quality evaluation, the effect is better; In fact, the entropy is to find the image similarity)