如何在角度js和spring mvc 4中将base64图像和textvalues作为json对象发送

I have converted my image to base 64 in angular js and send it to my controller but the controller does not get the image when decoded in the right format.The image in my angular js was 106kb but when i converted my image in base 64 the image size was only 8 bytes in controllerI have converted my image to base 64 in angular