How to use a template image to match target which have scale,rotation change and Partial Occlusion using opencv

i have a template image and target image.as follow, 1、the target have scale change 2、the target have rotation change 3、the target mix with noise,Partial Occlusion(the color is same-black) So, how can i use the template image to detect the target,and use a ellipse to show the target,like this I have tried matchTemplate function and surf function,but the result is not good,anyone can help me. Please give me some advises. Thanks in advance!!

via Chebli Mohamed