Change default header names to upercase starting & add checking for alternative time_header names

eyetrack2saccade.py

@@ -26,7 +26,7 @@ class Eye2SacExtractor:
     def _map_relevant_data(self, time_header: str, x_headers: Union[str, list], y_headers: Union[str, list]):
         # map and extract relevant data
         try:
-            self.time = self.data[time_header].to_numpy().flatten()
+            self.time = self._get_value_array(time_header, TIME_ALIASES)
             if isinstance(x_headers, str):
                 self.x = self._get_value_array(x_headers, X_ALIASES)
             # if the user accidently specified the header as list with a single entry, capture it

eyetrack_2_saccade_pipeline.py

@@ -23,7 +23,7 @@ class Eye2SacPipeline(Pipeline):
             preprocess_kwargs["y_headers"] = kwargs["y_headers"]
         return preprocess_kwargs, {}, {}
 
-    def preprocess(self, inputs, missing=0.0, minlen=5, maxvel=40, maxacc=30, time_header = 'time', x_headers = 'x', y_headers= 'y'):
+    def preprocess(self, inputs, missing=0.0, minlen=5, maxvel=40, maxacc=30, time_header = 'Time', x_headers = 'X', y_headers= 'Y'):
         return self.eye2SacExtractor.extract_features(inputs, time_header, x_headers, y_headers, missing, minlen, maxvel, maxacc)
 
     def _forward(self, model_inputs):