To convert Raster to EPS, you can use Raster to EPS Vector Converter. Because it supports many kinds of input raster image formats and the output vector image formats. You can use Raster to EPS Vector Converter to set the resolution and size and other parameters for the output EPS image files.
The tool application is free for trial and you can download it via clicking here. If you need the full function version, please buy a registration key by clicking here. It is for the single-user personal license. There are also four other kinds of licenses and please visit the website to obtain the one you need.
The main interface in Figure1 can give you the acquaintance to the application. There is a list on the left of the interface, which is used to list all the raster image files to be converted. You can add the files by clicking “Open” button. You can also remove image file one by one by clicking on “Remove” button or remove all the files by clicking “Remove All” button. If you want to see the thumbnail of each input raster image, you can click the file in the list and see the “Preview” frame on the right of the interface.
Then please set parameters for the output files in "Option" dialog box by clicking on "Option" button. Please see Figure2.
In "Output Format" combo box, please choose "eps" as output format from all the supported vector image formats. In "Pagesize" group box, you are able to set the page size for output file. In "Rotate" group box, please input the rotation degree if you want to rotate the original image file by a degree. In "Resolution" edit box, you can control the resolution of the target image file from 0 dpi to 999 dpi. If you need to control the output image size, please click the "Size" option on the left of the dialog box and input width and height values in "Width" and "Height" spin boxes. If you have set every parameters done, please click on "OK" button. Please choose or input the output directory for the target file in "Output Folder" text box of the interface of Raster to EPS Vector Converter and click "Convert" button.