Fixed readme picture

Author: memory-overflow

README.md

@@ -62,8 +62,8 @@ std::vector<Pixel> inliers;
 ```
 
 # 效果图
-[图1](https://github.com/memory-overflow/standard-ellipse-detection/blob/master/images/test12_result.jpg)
+![图1](https://github.com/memory-overflow/standard-ellipse-detection/blob/master/images/test12_result.jpg)
 
-[图2](https://github.com/memory-overflow/standard-ellipse-detection/blob/master/images/test6_result.jpg)
+![图2](https://github.com/memory-overflow/standard-ellipse-detection/blob/master/images/test6_result.jpg)
 
-[图3](https://github.com/memory-overflow/standard-ellipse-detection/blob/master/images/test9_result.jpg)
+![图3](https://github.com/memory-overflow/standard-ellipse-detection/blob/master/images/test9_result.jpg)

test/testdetect.cpp

@@ -94,10 +94,6 @@ int main(int argc, char* argv[]) {
 
     }
     cv::imshow("detected result", board);
-    argv[i][strlen(argv[i]) - 4] = '\0';
-    std::string file_name(argv[i]);
-    file_name = file_name + "_result.jpg";
-    cv::imwrite(file_name, board);
     cv::waitKey(0);
   }
 #endif