数字图像修复技术综述，介绍了用于结构图像修复的变分偏微分法和用于修补大面积缺损的纹理合成的方法。分别给出了相应的数值计算和实验结果。-Overview of digital image restoration techniques are introduced for the structure of partial differential variational image restoration method and the repair of large defects of the texture synthesis method. Respectively, gives the corresponding numerical calculation and experimental results.