Claims (7)
一種車輛導航方法，包含：根據一地圖資訊所指示之一導航路徑偵測一車輛的目前位置與該車輛前方之交叉路口的路徑長度；拍攝該車輛之前方視野影像；及當該目前位置與該交叉路口的路徑長度小於一臨界長度時，於一顯示幕上顯示該前方視野影像，並於該前方視野影像上標示一導航標記；其中該導航標記係為一轉彎標記且具有一標記轉彎角度，該導航路徑在該交叉路口形成一路徑轉彎角度，且該標記轉彎角度相等於該路徑轉彎角度。
A vehicle navigation method includes: detecting a current position of a vehicle and a path length of an intersection in front of the vehicle according to a navigation route indicated by a map information; capturing a front view image of the vehicle; and when the current position and the When the path length of the intersection is less than a critical length, the front view image is displayed on a display screen, and a navigation mark is marked on the front view image; wherein the navigation mark is a turn mark and has a mark turn angle. The navigation path forms a path turning angle at the intersection, and the marked turning angle is equal to the path turning angle.
一種車輛導航方法，包含：根據一地圖資訊所指示之一導航路徑偵測一車輛的目前位置與該車輛前方之交叉路口的路徑長度；拍攝該車輛之前方視野影像；偵測該車輛之傾斜度；及當該目前位置與該交叉路口的路徑長度小於一臨界長度時，於一顯示幕上顯示該前方視野影像，並於該前方視野影像上標示一導航標記，該導航標記係由一立體俯視角度標示於該前方視野影像上，且該導航標記之該立體俯視角度係根據該車輛之傾斜度調整；其中該導航標記之形狀與該導航路徑在該交叉路口形成之形狀
相同。
A vehicle navigation method includes: detecting a current position of a vehicle and a path length of an intersection at the front of the vehicle according to a navigation route indicated by a map information; capturing a front view image of the vehicle; detecting a slope of the vehicle And when the current position and the path length of the intersection are less than a critical length, displaying the front view image on a display screen, and marking a navigation mark on the front view image, the navigation mark is a stereoscopic view The angle is indicated on the front view image, and the stereoscopic view angle of the navigation mark is adjusted according to the inclination of the vehicle; wherein the shape of the navigation mark and the shape of the navigation path formed at the intersection
the same.
如請求項1或2所述之方法，其中拍攝該車輛之前方視野影像之該步驟係於當該目前位置與該交叉路口的路徑長度小於該臨界長度時執行。
The method of claim 1 or 2, wherein the step of capturing the front view image of the vehicle is performed when the current position and the path length of the intersection are less than the critical length.
如請求項1或2所述之方法，另包含：根據該地圖資訊及該導航路徑，產生一輔助地圖；顯示該輔助地圖，其中該輔助地圖部分重疊於該前方視野影像上；根據該導航標記產生一輔助導航標記，其中該輔助導航標記之形狀與該導航標記之形狀相同；及標示該輔助導航標記於該輔助地圖上。
The method of claim 1 or 2, further comprising: generating an auxiliary map according to the map information and the navigation path; displaying the auxiliary map, wherein the auxiliary map partially overlaps the front view image; according to the navigation mark An auxiliary navigation mark is generated, wherein the auxiliary navigation mark has the same shape as the navigation mark; and the auxiliary navigation mark is marked on the auxiliary map.
如請求項1或2所述之方法，另包含：於該前方視野影像上顯示該路徑長度、該車輛之目前位置至該導航路徑之終點的預估行駛時間、該車輛之目前位置至該導航路徑之終點的預估行駛距離、該車輛之速率，及/或形成該交叉路口之複數條道路的名稱。
The method of claim 1 or 2, further comprising: displaying the length of the path, the estimated position of the current position of the vehicle to the end of the navigation path, the current position of the vehicle to the navigation on the forward view image The estimated travel distance of the end of the path, the speed of the vehicle, and/or the name of the plurality of roads forming the intersection.
一種車輛導航系統，包含：一偵測單元，用來根據一地圖資訊所指示之一導航路徑偵測一
車輛的目前位置與該車輛前方之交叉路口的路徑長度；一影像擷取單元，用來拍攝該車輛之前方視野影像；一顯示幕，用來在該偵測單元偵測到該目前位置與該交叉路口的路徑長度小於一臨界長度時，顯示該前方視野影像；及一處理單元，用來形成一導航標記，並且標示該導航標記在該前方視野影像上；其中該導航標記係為一轉彎標記且具有一標記轉彎角度，該導航路徑在該交叉路口形成一路徑轉彎角度，且該標記轉彎角度相等於該路徑轉彎角度。
A vehicle navigation system includes: a detecting unit configured to detect a navigation path according to a map information
An image capturing unit for capturing a front view image of the vehicle The front view image is displayed when the path length of the intersection is less than a critical length; and a processing unit is configured to form a navigation mark and mark the navigation mark on the front view image; wherein the navigation mark is a turn mark And having a marked turning angle, the navigation path forms a path turning angle at the intersection, and the marking turning angle is equal to the path turning angle.
如請求項6所述之車輛導航系統，其中該影像擷取單元更用來於當該目前位置與該交叉路口的路徑長度小於該臨界長度時，拍攝該車輛之前方視野影像。The vehicle navigation system of claim 6, wherein the image capturing unit is further configured to capture a front view image of the vehicle when the current position and the path length of the intersection are less than the critical length.