code: public static <T> T load(Reader reader ) {
  		Yaml yaml = createYmlObject();
  
  		Map<String,Object> data = (Map<String, Object>) yaml.load(reader);
  
  		try {
  			reader.close();
  		} catch (IOException e) {
  			throw new RuntimeException(e);
  		}
  
  		return load(data);
  	}
docs: Loads intrinsic parameters from disk
  @param reader Reader
  @return Camera model