SimpleImageProcessor

Using the programming language C++ and the programming framework Qt write a computer program simple image processor. 
The program has graphical user interface (GUI) and supports the following basic file operations:
	opens image files and supports the following file types: bmp, jpg, tif, png;
	saves image files and supports the following file types: bmp, jpg, tif, png;
	supports Save As option that allows conversion between the supported file types.
The program has the following image processing capabilities:
	blur and sharpening filters in the spatial domain;
	conversion from a color image to gray-scale image;
	can draw the gray-level histogram of a gray-scale image;
	the global thresholding algorithm Otsu's method.