There are two toolbar buttons to perform zoom - in and zoom - out 有两个工具栏按钮可以执行放大和缩小。
2.
Double - tap to zoom - in and zoom - out you can view the picture in actual size and fit - in - screen size by double - tapping the image 只需要双击屏幕就可以从图片的实际分辨率和满屏状态之间轻松切换。
3.
Wavelet analysis have many advantages over discrete fourier transform by zoom - in and zoom - out capability . wavelet denoising in multi resolution approximation has been evolved to become very powerful tools for digital picture signal processing 去噪处理已成为研究重点。小波多分辨率逼近分析去噪已发展成为图像处理的一个重要而有效的工具。
