TWI631537B - Parking space identification system - Google Patents
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Abstract
本發明有關於一種停車空位辨識系統，包括一影像擷取單元、一中央處理單元、一提醒單元與一無線傳輸單元；藉此，本發明藉由攝影機之影像擷取單元偵測至少一停放於道路邊之車輛的輪胎紋理特徵的硬體設計，有效以計算輪胎間距離的方式辨識停車空位的寬度或長度，以提醒駕駛者有關道路邊停車空位存在訊息，解決駕駛者僅以肉眼評估停車空位大小而無法順利停妥車輛，甚至造成碰撞之財產損害危險，確實達到準確計算各種停車空格之寬度或長度、協助駕駛者順利停車以節省時間與節能減碳，以及上傳停車空位影像至雲端以達到停車空位確認與位置共享。 The invention relates to a parking vacancy identification system, which includes an image capture unit, a central processing unit, a reminder unit and a wireless transmission unit; thereby, the invention uses the image capture unit of the camera to detect at least one parking place The hardware design of the vehicle's tire texture features on the roadside can effectively identify the width or length of the parking space by calculating the distance between the tires, to remind the driver that there is information about the parking space on the roadside, and solve the problem that the driver only visually evaluates the parking space The size of the vehicle cannot be parked smoothly, and even the risk of property damage caused by collision. It is indeed accurate to calculate the width or length of various parking spaces, assist the driver to park smoothly to save time, save energy and reduce carbon, and upload parking space images to the cloud to achieve parking Vacancy confirmation is shared with location.
Description
本發明係有關於一種停車空位辨識系統，尤其是指一種使用影像視覺偵測車輛輪胎之紋理特徵以辨識停車空位存在之資訊的停車空位辨識系統。 The invention relates to a parking space identification system, in particular to a parking space identification system that uses images to visually detect the texture features of vehicle tires to identify the information of the existence of parking spaces.
按，隨著科技的不斷進步與社會的高度發展，汽車的發明對於人類的文明發展起了加速的變化，當然也產生了無數的負面問題，全球暖化導致的氣候劇變就是其中一例；在車輛逐漸增加的同時，尋找車位停車已成為每一位駕駛者所面臨的最大難題，加上台灣地區地狹人稠，要在大都會的市區中找到停車空位更是難上加難，故各級政府莫不把興建停車場或是增加路邊停車格作為重要的施政方針之一。 According to press, with the continuous progress of science and technology and the high development of society, the invention of automobiles has accelerated the development of human civilization. Of course, it has also produced countless negative problems. The climate change caused by global warming is one example. While gradually increasing, finding parking spaces has become the biggest problem faced by every driver. Coupled with the narrow population in Taiwan, it is even more difficult to find parking spaces in the metropolitan area. High-level government should not consider building a parking lot or adding on-street parking as one of the important policy guidelines.
由於車輛逐漸增多的緣故，駕駛者若是開車在室內或室外停車場，以及道路兩側尋找停車空位時，大多是一邊駕駛一邊以目視的方式尋找空置的停車位；然而，空置的停車位大多夾雜在停放有汽車的停車格之間或沒有醒目的提示，常會使駕駛者不容易看見，駕駛者往往得駕車來回移動後才能找到空置的停車位，過程相當耗費時間與油料；此外，駕駛者以目視的方式並無法有效確認空置的停車位長度或寬度是否適合自身所駕駛之車輛停放，往往駕駛者已經將車頭或車尾駛入空置的停車位後才驚覺長度不夠，來來往往地挪移車子不僅造成駕駛者的時間耗費，更阻礙了 交通之順暢度，亦有可能損耗更多的油料而影響空氣品質。 Due to the increasing number of vehicles, when driving in indoor or outdoor parking lots, and when looking for parking spaces on both sides of the road, most drivers are looking for vacant parking spaces visually while driving; however, most of the vacant parking spaces are mixed in There are no eye-catching prompts between the parking spaces where cars are parked, which often makes it difficult for drivers to see. Drivers often have to move back and forth to find vacant parking spaces. The process is quite time-consuming and fuel-intensive; The method cannot effectively confirm whether the length or width of the vacant parking space is suitable for the parking of the vehicle that he is driving. Often, the driver has been driving the front or rear of the car into the vacant parking space and only realizes that the length is not enough. Causes the driver ’s time consumption, which hinders The smoothness of traffic may also consume more oil and affect air quality.
再者，目前已有車輛配備雷達或超音波偵測系統進行停車空位的偵測；然而，雷達偵測系統的缺點是無法進行金屬物件的偵測，且易受附近之高壓電或磁場的影響而減損其偵測能力，超音波偵測系統則容易互相干擾而減低其判斷的準度，且雷達和超音波偵測系統皆無法提供影像供駕駛者確認，若其偵測到的停車空位為車庫前或紅線禁止停車之區域，雷達與超音波偵測系統皆無法有效判斷；因此，如何有效藉由創新之硬體設計，有效辨識道路邊空置之停車位並即時計算停車空位的寬度或長度等，仍是停車位辨識系統等相關產業開發業者與相關研究人員需持續努力克服與解決之課題。 Furthermore, there are currently vehicles equipped with radar or ultrasonic detection systems to detect parking spaces; however, the disadvantage of radar detection systems is that they cannot detect metal objects and are susceptible to nearby high-voltage electricity or magnetic fields. It will affect its detection ability. Ultrasonic detection system will easily interfere with each other and reduce the accuracy of its judgment. Neither the radar nor the ultrasonic detection system can provide images for the driver to confirm. If it detects a parking space For areas where parking is prohibited in front of the garage or the red line, neither radar nor ultrasonic detection systems can effectively judge; therefore, how to effectively identify the parking spaces on the roadside by innovative hardware design and calculate the width of parking spaces or Length, etc., are still issues that need to be continuously overcome and solved by developers and related researchers in the parking space identification system and other related industries.
今，發明人即是鑑於上述傳統之停車位辨識系統於實際實施時仍存在有諸多缺失，於是乃一本孜孜不倦之精神，並藉由其豐富之專業知識及多年之實務經驗所輔佐，而加以改善，並據此研創出本發明。 Now, in view of the fact that the above-mentioned traditional parking space identification system still has many shortcomings in actual implementation, the inventor is a tireless spirit, supplemented by its rich professional knowledge and many years of practical experience. Improve, and research and create the present invention accordingly.
本發明主要目的為提供一種停車空位辨識系統，尤其是指一種使用影像視覺偵測車輛輪胎之紋理特徵以辨識停車空位存在之資訊的停車空位辨識系統，主要係藉由攝影機之影像擷取單元偵測至少一停放於道路邊或停車場內之車輛的輪胎紋理特徵之硬體設計，有效以計算車輛輪胎間距離的方式辨識停車空位的寬度值或長度值，以提醒駕駛者有關停車空位存在之訊息，解決駕駛者僅以肉眼評估停車空位之大小而無法順利停妥車輛，甚至造成碰撞之財產損害危險，確實達到準確計算各種停車空格之寬度值或長度值、協助駕駛者順利停車以節省時間與節能減碳，以及上傳 停車空位影像至雲端以達到停車空位確認與位置共享之優勢者。 The main purpose of the present invention is to provide a parking space recognition system, in particular to a parking space recognition system that uses images to visually detect the texture features of vehicle tires to identify the presence of parking spaces, mainly by the camera's image acquisition unit. The hardware design of the tire texture features of at least one vehicle parked on the roadside or in the parking lot, effectively recognizes the width or length of the parking space by calculating the distance between the tires of the vehicle, to remind the driver of the information about the existence of the parking space , Solve the problem that the driver only can visually evaluate the size of the parking space and cannot successfully park the vehicle, or even cause the risk of collision of property damage. It can accurately calculate the width or length of various parking spaces, and assist the driver to stop smoothly to save time and save energy. Carbon reduction, and upload The parking space image is sent to the cloud to achieve the advantage of parking space confirmation and location sharing.
為了達到上述之實施目的，本發明人提出一種停車空位辨識系統，係至少包括有一影像擷取單元、一中央處理單元、一提醒單元、一地理訊號單元，以及一無線傳輸單元；影像擷取單元係設置於一車輛上，影像擷取單元係包括有至少一光學鏡頭，以及至少一與光學鏡頭對應連接之感光元件，其中光學鏡頭係擷取停放於車輛二側之至少一外部車輛的影像於感光元件上成像；中央處理單元係包括有一辨識模組，以及一電性連接辨識模組之計算模組，其中辨識模組係電性連接影像擷取單元並接收影像擷取單元所擷取之影像，以辨識影像中外部車輛之複數個輪胎之特徵，計算模組係計算輪胎之間的距離值，當距離值大於一臨界值時，計算模組則傳遞一訊號；提醒單元係電性連接計算模組，提醒單元係於接收計算模組傳遞之訊號時，發出一提醒訊號，以提醒車輛之駕駛者有關停車空位存在之訊息；地理訊號單元，係電性連接該計算模組，該地理訊號單元係於接收該計算模組傳遞之訊號時，擷取該車輛所在地之地理資訊；無線傳輸單元係分別以電性連接影像擷取單元與中央處理單元，無線傳輸單元係將影像擷取單元擷取之影像 、中央處理單元辨識與計算之停車空位，以及地理資訊單元擷取之地理資訊藉由一無線通訊協定傳遞至一雲端伺服器。 In order to achieve the above-mentioned implementation objective, the present inventor proposes a parking space identification system, which at least includes an image capture unit, a central processing unit, a reminder unit, a geographic signal unit, and a wireless transmission unit; an image capture unit It is installed on a vehicle. The image capturing unit includes at least one optical lens and at least one photosensitive element connected correspondingly to the optical lens. The optical lens captures images of at least one external vehicle parked on both sides of the vehicle. Imaging on the photosensitive element; the central processing unit includes an identification module and a calculation module electrically connected to the identification module, wherein the identification module is electrically connected to the image capturing unit and receives the image captured by the image capturing unit Image to identify the characteristics of multiple tires of external vehicles in the image. The calculation module calculates the distance between the tires. When the distance is greater than a critical value, the calculation module transmits a signal; the reminder unit is electrically connected The calculation module, the reminding unit sends a reminding signal when the signal transmitted by the computing module is received to remind the driver of the vehicle about the existence of the parking space; the geographic signal unit is electrically connected to the computing module, the geographic The signal unit retrieves the geographic information of the location of the vehicle when receiving the signal transmitted by the computing module; the wireless transmission unit electrically connects the image acquisition unit and the central processing unit respectively, and the wireless transmission unit connects the image acquisition unit Captured image , Capture of parking space identification and calculation of a central processing unit, the unit and geographic information geographic information is transmitted to a cloud server by a wireless communication protocol.
如上所述的停車空位辨識系統，其中停車空位辨識系統係可進一步設置有一顯示單元，顯示單元係用以顯示影像擷取單元擷取之影像 、中央處理單元辨識與計算之停車空位，以及地理資訊單元擷取之地理資訊。 The parking space identification system as described above, wherein the parking space identification system may be further provided with a display unit, and the display unit is used to display the image captured by the image capturing unit , Parking spaces identified and calculated by the central processing unit, and geographic information retrieved by the geographic information unit.
如上所述的停車空位辨識系統，其中顯示單元係設置於車輛 內部，以供駕駛者觀看停車空位之位置。 The parking space identification system as described above, wherein the display unit is provided on the vehicle Inside, for the driver to see the location of the parking space.
如上所述的停車空位辨識系統，其中影像擷取單元係設置於車輛之內部或外部等其中之一個位置。 In the parking space identification system as described above, the image capturing unit is provided at one of the inside or outside of the vehicle.
如上所述的停車空位辨識系統，其中光學鏡頭係為魚眼鏡頭、廣角鏡頭或標準鏡頭等其中之一種裝置。 As mentioned above, in the parking space identification system, the optical lens is a device such as a fisheye lens, a wide-angle lens, or a standard lens.
如上所述的停車空位辨識系統，其中感光元件係為光電耦合元件(Charge Coupled Device，CCD)或互補金屬氧化物半導體(Complementary Metal-Oxide-Semiconductor，CMOS)等其中之一種裝置。 In the parking space identification system as described above, the photosensitive element is one of a photocoupler (Charge Coupled Device, CCD) or a complementary metal oxide semiconductor (Complementary Metal-Oxide-Semiconductor, CMOS) and other devices.
如上所述的停車空位辨識系統，其中辨識模組辨識之輪胎特徵係包括輪胎之紋理、輪廓或尺度等其中之一種特徵或兩者以上之組合。 The parking space identification system as described above, wherein the tire features identified by the identification module include one of the tire texture, contour or scale, or a combination of the two or more.
如上所述的停車空位辨識系統，其中臨界值係為車輛之長度值或寬度值等其中之一個數值。 As mentioned above, in the parking space identification system, the critical value is one of the vehicle's length value or width value.
如上所述的停車空位辨識系統，其中提醒訊號係以聲鳴、光線、影像、震動或電訊號等其中之一種型式或兩者以上之組合呈現。 In the parking space identification system as described above, the reminder signal is presented as one type of sound, light, image, vibration, or electrical signal or a combination of two or more.
如上所述的停車空位辨識系統，其中無線通訊協定係為無線區域網路(Wireless Local Area Network，WLAN)、無線千兆聯盟(Wireless Gigabit Alliance，WiGig)、超寬頻(Ultra Wide Band，UWB)或無線保真(Wi-Fi)等其中之一種協定或兩者以上之組合。 The parking space identification system as described above, wherein the wireless communication protocol is Wireless Local Area Network (WLAN), Wireless Gigabit Alliance (WiGig), Ultra Wide Band (UWB) or One of the protocols such as wireless fidelity (Wi-Fi) or a combination of two or more.
藉此，本發明之停車空位辨識系統主要係藉由攝影機之影像擷取單元偵測至少一停放於道路邊或停車場內之車輛的輪胎紋理特徵之硬體設計，有效以計算車輛輪胎間距離的方式辨識停車空位的寬度值或長度值，以提醒駕駛者有關停車空位存在之訊息，解決駕駛者僅以肉眼評估停 車空位之大小而無法順利停妥車輛，甚至造成碰撞之財產損害危險，確實達到準確計算各種停車空格之寬度值或長度值、協助駕駛者順利停車以節省時間與節能減碳，以及上傳停車空位影像至雲端以達到停車空位確認與位置共享之優勢者；此外，本發明之停車空位辨識系統主要係藉由將影像擷取單元所擷取之停車空位的影像與地理資訊上傳至雲端伺服器，有效結合網路相關地圖(例如：Google Map等)落點，以達到停車空位確認與位置共享之目的，確實達到減少其他駕駛者費心費力尋找停車空位之痛苦者。 Therefore, the parking space identification system of the present invention mainly uses the hardware design of the camera image capturing unit to detect the tire texture characteristics of at least one vehicle parked on the roadside or in the parking lot, effectively calculating the distance between the tires of the vehicle Identify the width or length of the parking space to remind the driver about the existence of the parking space, and solve the problem of the driver only visually evaluating the parking space The size of the parking space can not be parked smoothly, and even the risk of property damage caused by collision. It is indeed accurate to calculate the width or length of various parking spaces, assist the driver to park smoothly to save time and save energy and reduce carbon, and upload parking space images To the cloud to achieve the advantages of parking space confirmation and location sharing; in addition, the parking space identification system of the present invention is mainly by uploading the image and geographic information of the parking space captured by the image capturing unit to the cloud server, which is effective Combined with the placement of network-related maps (for example: Google Map, etc.) to achieve the purpose of parking space confirmation and location sharing, it can indeed reduce the pain of other drivers who are struggling to find parking spaces.
(1)‧‧‧停車空位 (1) ‧‧‧ parking space
(2)‧‧‧影像擷取單元 (2) ‧‧‧Image capture unit
(21)‧‧‧光學鏡頭 (21) ‧‧‧Optical lens
(22)‧‧‧感光元件 (22) ‧‧‧Photosensitive element
(3)‧‧‧車輛 (3) ‧‧‧Vehicle
(4)‧‧‧外部車輛 (4) ‧‧‧External vehicle
(41)‧‧‧輪胎 (41) ‧‧‧Tire
(5)‧‧‧中央處理單元 (5) ‧‧‧Central Processing Unit
(51)‧‧‧辨識模組 (51) ‧‧‧Identification module
(52)‧‧‧計算模組 (52) ‧‧‧Calculation module
(6)‧‧‧提醒單元 (6) ‧‧‧ reminder unit
(7)‧‧‧無線傳輸單元 (7) ‧‧‧Wireless transmission unit
(8)‧‧‧雲端伺服器 (8) ‧‧‧Cloud server
(9)‧‧‧地理訊號單元 (9) ‧‧‧ Geographical Signal Unit
(D)‧‧‧距離值 (D) ‧‧‧Distance
(L)‧‧‧長度值 (L) ‧‧‧Length value
(W)‧‧‧寬度值 (W) ‧‧‧Width value
第1圖：本發明停車空位辨識系統其一較佳實施例之整體架構方塊圖 Figure 1: Block diagram of the overall structure of a preferred embodiment of the parking space identification system of the present invention
第2圖：本發明停車空位辨識系統其一較佳實施例之整體架構示意圖 Figure 2: Schematic diagram of the overall structure of a preferred embodiment of the parking space identification system of the present invention
第3圖：本發明停車空位辨識系統其一較佳實施例之系統運作示意圖 Figure 3: Schematic diagram of the system operation of a preferred embodiment of the parking space identification system of the present invention
第4圖：本發明停車空位辨識系統其二較佳實施例之系統運作示意圖 Figure 4: Schematic diagram of the system operation of the second preferred embodiment of the parking space identification system of the present invention
為利 貴審查委員瞭解本發明之技術特徵、內容、優點，以及其所能達成之功效，茲將本發明配合附圖，並以實施例之表達形式詳細說明如下，而其中所使用之圖式，其主旨僅為示意及輔助說明書之用，未必為本發明實施後之真實比例與精準配置，故不應就所附之圖式的比例與配置關係解讀、侷限本發明於實際實施上的權利範圍，合先敘明。 In order to facilitate your examination committee to understand the technical features, content, advantages and achievable effects of the present invention, the present invention is described in detail in conjunction with the drawings and in the form of expressions of the embodiments, and the drawings used therein, Its purpose is only for illustration and supplementary description, and may not be the true scale and precise configuration after the implementation of the present invention, so it should not be interpreted and limited to the relationship between the scale and the configuration of the attached drawings, and the scope of the present invention in the actual implementation is limited , He Xianming.
首先，請參閱第1圖至第3圖所示，為本發明停車空位辨識系統其一較佳實施例之整體架構方塊圖、整體架構示意圖，以及系統運作示意圖，本發明之停車空位辨識系統係可應用於道路兩旁之停車空位(1)辨識 或停車場內之停車空位(1)辨識等功能，本發明之停車空位辨識系統係至少包括有：一影像擷取單元(2)，係設置於一車輛(3)上，影像擷取單元(2)係包括有至少一光學鏡頭(21)，以及至少一與光學鏡頭(21)對應連接之感光元件(22)，其中光學鏡頭(21)係擷取停放於車輛(3)二側之至少一外部車輛(4)的影像於感光元件(22)上成像；此外，影像擷取單元(2)係設置於車輛(3)之內部或外部等其中之一個位置；再者，光學鏡頭(21)係為魚眼鏡頭、廣角鏡頭或標準鏡頭等其中之一種裝置；此外，感光元件(22)係為光電耦合元件(CCD)或互補金屬氧化物半導體(CMOS)等其中之一種裝置；在本發明其一較佳實施例中，影像擷取單元(2)係設置於車輛(3)之外部，以於車輛(3)行進或靜止時，使用一以魚眼鏡頭態樣呈現之光學鏡頭(21)擷取複數輛停放於車輛(3)二側之外部車輛(4)的影像於一以光電耦合元件(CCD)態樣呈現之感光元件(22)上成像，其中外部車輛(4)係可例如但不限定為大客車、大貨車、小貨車、小客車、機車或自行車等其中之一種交通工具；然而必須注意的是，上述影像擷取單元(2)設置之位置是為了說明方便起見，而非以本發明所舉為限，且熟知此技藝者當知道不同的影像擷取單元(2)之位置，只要可以擷取車輛(3)二側所暫停之外部車輛(4)的影像，例如影像擷取單元(2)可設置於車輛(3)內部之擋風玻璃上，或與行車紀錄器結合等，並不會影響本發明的實際實施；一中央處理單元(5)，係包括有一辨識模組(51)，以及一電性連接辨識模組(51)之計算模組(52)，其中辨識模組(51)係電性連接影像擷取單元(2)並接收影像擷取單元(2)所擷取之影像，以辨識影像中外部車輛(4)之 複數個輪胎(41)之特徵，計算模組(52)係計算輪胎(41)之間的距離值，當距離值大於一臨界值時，計算模組(52)則傳遞一訊號；此外，辨識模組(51)辨識之輪胎(41)特徵係包括輪胎(41)之紋理、輪廓或尺度等其中之一種特徵或兩者以上之組合；再者，臨界值係為車輛(3)之長度值(L)或寬度值(W)等其中之一個數值；在本發明其一較佳實施例中，中央處理單元(5)係設置於車輛(3)之內部，而內建於中央處理單元(5)之辨識模組(51)係電性連接影像擷取單元(2)，以接收影像擷取單元(2)所擷取之外部車輛(4)的影像，並辨識外部車輛(4)之輪胎(41)的紋理特徵，計算模組(52)再依辨識模組(51)所辨識之輪胎(41)的紋理特徵計算輪胎(41)之間的距離值(D)，當距離值(D)大於車輛(3)之長度值(L)時，則計算模組(52)係傳遞一訊號；一提醒單元(6)，係電性連接計算模組(52)，提醒單元(6)係於接收計算模組(52)傳遞之訊號時，發出一提醒訊號，以提醒車輛(3)之駕駛者有關停車空位(1)存在之訊息；此外，提醒訊號係以聲鳴、光線、影像、震動或電訊號等其中之一種型式或兩者以上之組合呈現；在本發明其一較佳實施例中，當提醒單元(6)接收計算模組(52)所傳遞之訊號後，則發出一聲鳴形式之提醒訊號，以提醒車輛(3)之駕駛者有關停車空位(1)存在之訊息；以及一地理訊號單元(9)，係電性連接計算模組(52)，地理訊號單元(9)係於接收計算模組(52)傳遞之訊號時，擷取車輛(3)所在地之地理資訊；以及一無線傳輸單元(7)，係分別以電性連接影像擷取單元(2) 、中央處理單元(5)，以及地理訊號單元(9)，無線傳輸單元(7)係將影像擷 取單元(2)擷取之影像 、中央處理單元(5)辨識與計算之停車空位(1)，以及地理訊號單元(9)擷取之地理資訊藉由一無線通訊協定傳遞至一雲端伺服器(8)；此外，無線通訊協定係為無線區域網路(WLAN)、無線千兆聯盟(WiGig)、超寬頻(UWB)或無線保真(Wi-Fi)等其中之一種協定或兩者以上之組合；在本發明其一較佳實施例中，無線傳輸單元(7)係電性連接影像擷取單元(2)與中央處理單元(5)，以藉由無線保真(Wi-Fi)等無線通訊協定將影像擷取單元(2)擷取之影像與中央處理單元(5)辨識與計算之停車空位(1)，以及地理訊號單元(9)擷取之地理資訊傳遞至雲端伺服器(8)，並與網路地圖(例如：Google Map等)結合，以將停車空位(1)之經緯度或地理位置顯示於網路地圖上，駕駛者可藉由自身攜帶之行動通訊系統(例如：智慧型手機等)進入網路地圖中找尋所在位置附近之停車空位(1)資訊，有效達到停車空位(1)確認與位置分享之目的，減少其他駕駛者費心費力尋找停車空位(1)之痛苦。 First of all, please refer to FIGS. 1 to 3, which are block diagrams, schematic diagrams of the overall architecture, and schematic diagram of the system operation of a preferred embodiment of the parking space recognition system of the present invention. The parking space recognition system of the present invention is It can be applied to parking space (1) identification on both sides of the road or parking space (1) identification in the parking lot. The parking space identification system of the present invention includes at least: an image capturing unit (2), which is set in a On the vehicle (3), the image capturing unit (2) includes at least one optical lens (21), and at least one photosensitive element (22) correspondingly connected to the optical lens (21), wherein the optical lens (21) is to capture Take images of at least one external vehicle (4) parked on both sides of the vehicle (3) and image them on the photosensitive element (22); in addition, the image capture unit (2) is provided inside or outside the vehicle (3), etc. A position; furthermore, the optical lens (21) is a device such as a fisheye lens, a wide-angle lens or a standard lens; in addition, the photosensitive element (22) is a photoelectric coupling element (CCD) or a complementary metal oxide semiconductor ( CMOS), etc. In a preferred embodiment of the present invention, the image capture unit (2) is provided outside the vehicle (3), so that when the vehicle (3) is traveling or stationary, a The optical lens (21) in the form of a fisheye lens captures images of a plurality of external vehicles (4) parked on both sides of the vehicle (3) on a photosensitive element (22) in the form of a photoelectric coupling device (CCD) The above image, where the external vehicle (4) can be, for example but not limited to, one of the vehicles such as a bus, a large truck, a small truck, a small bus, a locomotive, or a bicycle; however, it must be noted that the above image capture unit ( 2) The location is set for the convenience of explanation, not limited to the present invention, and those skilled in the art should know the location of different image capturing units (2), as long as they can capture the vehicle (3). The image of the external vehicle (4) suspended on the side, for example, the image capturing unit (2) can be installed on the windshield inside the vehicle (3) or combined with the driving recorder, etc., and will not affect the actuality of the invention Implementation; a central processing unit (5) includes an identification module (51), and a calculation module (52) electrically connected to the identification module (51), wherein the identification module (51) is electrically connected The image capture unit (2) receives the image captured by the image capture unit (2) to identify the characteristics of the multiple tires (41) of the external vehicle (4) in the image, and the calculation module (52) calculates the tires The distance value between (41). When the distance value is greater than a critical value, the calculation module (52) transmits a signal; in addition, the tire (41) features recognized by the recognition module (51) include the tire (41) One of the features such as texture, contour or scale, or a combination of two or more; Furthermore, the critical value is one of the value of the length (L) or width (W) of the vehicle (3); in the present invention In a preferred embodiment, the central processing unit (5) is provided Inside the vehicle (3), the recognition module (51) built in the central processing unit (5) is electrically connected to the image capture unit (2) to receive the image captured by the image capture unit (2) The image of the external vehicle (4) and the texture characteristics of the tire (41) of the external vehicle (4), the calculation module (52) then calculates the tire according to the texture characteristics of the tire (41) identified by the identification module (51) The distance value (D) between (41), when the distance value (D) is greater than the length value (L) of the vehicle (3), the calculation module (52) transmits a signal; a reminder unit (6), It is electrically connected to the calculation module (52), and the reminder unit (6) sends a reminder signal when the signal transmitted by the calculation module (52) is received to remind the driver of the vehicle (3) about the parking space (1) Existing message; in addition, the reminder signal is presented in one of the types of sound, light, image, vibration or electrical signal or a combination of two or more; in a preferred embodiment of the present invention, when the reminder unit (6 ) After receiving the signal transmitted by the computing module (52), a reminder signal in the form of a beep is issued to remind the driver of the vehicle (3) about the existence of the parking space (1); and a geographic signal unit (9 ), Which is electrically connected to the calculation module (52), and the geographic signal unit (9) is to retrieve the geographic information of the location of the vehicle (3) when receiving the signal transmitted by the calculation module (52); and a wireless transmission unit ( 7) It is electrically connected to the image capture unit (2) , Central processing unit (5), and geographic signal unit (9), wireless transmission unit (7) is the image captured by the image capture unit (2) , The central processing unit (5) recognizes and calculates the parking space (1), and the geographic information acquired by the geographic signal unit (9) is transmitted to a cloud server (8) through a wireless communication protocol; in addition, the wireless communication protocol It is one of the protocols of wireless local area network (WLAN), wireless gigabit alliance (WiGig), ultra-wideband (UWB) or wireless fidelity (Wi-Fi), or a combination of two or more; In a preferred embodiment, the wireless transmission unit (7) is electrically connected to the image capture unit (2) and the central processing unit (5), so as to capture the image capture unit through wireless communication protocols such as wireless fidelity (Wi-Fi) (2) The captured image and the central processing unit (5) identify and calculate the parking space (1), and the geographic signal unit (9) the geographic information captured by the cloud server (8), and network map (For example: Google Map, etc.) to display the latitude, longitude or geographic location of the parking space (1) on the network map, and the driver can enter the network through the mobile communication system (for example: smart phone, etc.) Finding parking space (1) information near the location on the map can effectively achieve the purpose of parking space (1) confirmation and location sharing, reducing the pain of other drivers who have to find the parking space (1).
此外，停車空位辨識系統係可進一步設置有一顯示單元(圖式未標示)，顯示單元係用以顯示該影像擷取單元擷取之影像、該中央處理單元辨識與計算之停車空位，以及該地理資訊單元擷取之地理資訊，且顯示單元係設置於車輛(3)內部，以供駕駛者觀看停車空位(1)之位置；在本發明另一較佳實施例中，以液晶顯示器態樣呈現的顯示單元係設置於車輛(3)內部且於駕駛者可以觀看的地方，顯示單元係顯示影像擷取單元(2)所擷取之車輛(3)二側之外部車輛(4)影像與中央處理單元(5)辨識與計算之停車空位(1)結果，駕駛者可藉由目視車輛(3)外側或透過察看顯示單元的方式，確認車輛(3)二側之停車空位(1)的存在資訊；顯示單元亦可與提醒單元(6)合併，由顯示單元發出聲鳴與影像兩種型式組合而成的提醒訊號，亦不會影 響本發明的實際實施。 In addition, the parking space identification system may be further provided with a display unit (not shown in the figure), the display unit is used to display the image captured by the image capturing unit , The parking space identified and calculated by the central processing unit, and the geographic information retrieved by the geographic information unit, and the display unit is provided inside the vehicle (3) for the driver to view the location of the parking space (1); In another preferred embodiment of the invention, the display unit presented in the form of a liquid crystal display is provided inside the vehicle (3) and in a place where the driver can view it, and the display unit displays the image captured by the image capturing unit (2) The external vehicle (4) image on the two sides of the vehicle (3) and the parking space (1) identified and calculated by the central processing unit (5). The driver can look at the outside of the vehicle (3) or by looking at the display unit. Confirm the existence information of the parking space (1) on both sides of the vehicle (3); the display unit can also be combined with the reminder unit (6), the reminder signal composed of two types of sounds and images from the display unit will not Affect the actual implementation of the present invention.
本發明之停車空位辨識系統所辨識之停車空位(1)的態樣可分為與車輛(3)之行進方向平行或垂直兩種，故本發明之停車空位辨識系統辨識停車空位(1)之方式有下列兩種： The appearance of the parking space (1) recognized by the parking space identification system of the present invention can be divided into two types: parallel or vertical to the traveling direction of the vehicle (3), so the parking space recognition system of the present invention recognizes the parking space (1) There are two ways:
1.請先再參閱第3圖所示，停車空位(1)係與車輛(3)之行進方向平行，當影像擷取單元(2)將所擷取之外部車輛(4)的影像傳送至辨識模組(51)後，辨識模組(51)即辨識影像中外部車輛(4)之輪胎(41)的紋理特徵，而計算模組(52)再依辨識模組(51)所辨識之輪胎(41)的紋理特徵計算輪胎(41)之間的距離值(D)，當距離值(D)大於1.5倍車輛(3)之長度值(L)時，即代表與車輛(3)行進方向平行處有停車空位(1)存在，計算模組(52)則傳遞一訊號至提醒單元(6)，提醒單元(6)則發出一聲鳴形式之提醒訊號，以提醒車輛(3)之駕駛者有關停車空位(1)存在之訊息，供駕駛者停車參考，而無線傳輸單元(7)再將影像擷取單元(2)擷取之影像與中央處理單元(5)辨識與計算之停車空位(1)結果傳遞至雲端伺服器(8)，雲端伺服器(8)再將之與網路地圖結合，以將停車空位(1)之經緯度或地理位置顯示於網路地圖上，駕駛者可藉由自身攜帶之行動通訊系統進入網路地圖中找尋所在位置附近之停車空位(1)資訊，有效達到停車空位(1)確認與位置分享之目的，減少其他駕駛者費心費力尋找停車空位(1)之痛苦。 1. Please refer to Figure 3 again. The parking space (1) is parallel to the traveling direction of the vehicle (3). When the image capturing unit (2) transmits the captured image of the external vehicle (4) to After the recognition module (51), the recognition module (51) recognizes the texture features of the tire (41) of the external vehicle (4) in the image, and the calculation module (52) relies on the recognition of the recognition module (51) The texture feature of the tire (41) calculates the distance value (D) between the tire (41). When the distance value (D) is greater than 1.5 times the length value (L) of the vehicle (3), it represents travel with the vehicle (3) A parking space (1) exists parallel to the direction, the calculation module (52) transmits a signal to the reminder unit (6), and the reminder unit (6) emits a reminder signal in the form of a beep to remind the vehicle (3) The driver's information about the parking space (1) exists for the driver's parking reference, and the wireless transmission unit (7) then uses the image captured by the image capture unit (2) and the central processing unit (5) to identify and calculate the parking The result of the vacant seat (1) is transferred to the cloud server (8), and the cloud server (8) combines it with the network map to display the latitude, longitude, or geographic location of the parking vacant seat (1) on the network map. The driver You can use the mobile communication system you carry to enter the network map to find the parking space (1) information near the location, which effectively achieves the purpose of parking space (1) confirmation and location sharing, reducing the effort of other drivers to find parking spaces ( 1) Pain.
2.請一併參閱第4圖所示，為本發明停車空位辨識系統其二較佳實施例之系統運作示意圖，其中停車空位(1)係與車輛(3)行進方向垂直，當影像擷取單元(2)將所擷取之外部車輛(4)的影像傳送至辨識模組(51)後，辨識模組(51)即辨識影像中外部車輛(4)之輪胎(41)的紋理特徵，而計算 模組(52)再依辨識模組(51)所辨識之輪胎(41)的紋理特徵計算輪胎(41)之間的距離值(D)，當距離值(D)大於2倍車輛(3)之寬度值(W)時，即代表與車輛(3)行進方向垂直處有停車空位(1)之存在，而當車輛(3)再往前行進時，辨識模組(51)即可辨識同一輛外部車輛(4)之前、後輪胎(41)的紋理特徵，此即代表此停車空位(1)之長度足夠車輛(3)停放，則計算模組(52)即傳遞一訊號至提醒單元(6)，提醒單元(6)則發出一聲鳴形式之提醒訊號，以提醒車輛(3)之駕駛者有關停車空位(1)存在之訊息，供駕駛者停車參考，而無線傳輸單元(7)再將影像擷取單元(2)擷取之影像與中央處理單元(5)辨識與計算之停車空位(1)結果傳遞至雲端伺服器(8)，雲端伺服器(8)將之與網路地圖結合，以將停車空位(1)之經緯度或地理位置顯示於網路地圖上，駕駛者可藉由自身攜帶之行動通訊系統進入網路地圖中找尋所在位置附近的停車空位(1)資訊，有效達到停車空位(1)確認與位置分享之目的，減少其他駕駛者費心費力尋找停車空位(1)之痛苦；然而必須注意的是，上述實施例辨識車輛(3)右側的停車空位(1)之存在是為了說明方便起見，而非以本發明所舉為限，且熟知此技藝者當知道架設複數個影像擷取單元(2)即可同時辨識車輛(3)不同側之停車空位(1)資訊，並不會影響本發明的實際實施；再者，上述輪胎(41)間的距離值(D)被設定為大於車輛(3)長度值(L)之1.5倍或是大於車輛(3)寬度值(W)之2倍亦為了說明方便起見，而非以本發明所舉為限，此臨界值可由駕駛者自行設定，且熟知此技藝者當知道欲使車輛(3)停入停車空位(1)中，停車空位(1)之距離值(D)必定大於車輛(3)之長度值(L)或寬度值(W)等其中之一個數值，並不會影響本發明的實際實施。 2. Please also refer to Figure 4 for a schematic diagram of the system operation of the second preferred embodiment of the parking space identification system of the present invention, wherein the parking space (1) is perpendicular to the direction of travel of the vehicle (3) when the image is captured After the unit (2) transmits the captured image of the external vehicle (4) to the recognition module (51), the recognition module (51) recognizes the texture features of the tire (41) of the external vehicle (4) in the image, While calculating The module (52) then calculates the distance value (D) between the tires (41) according to the texture features of the tire (41) identified by the identification module (51), when the distance value (D) is greater than 2 times the vehicle (3) The width value (W) means that there is a parking space (1) perpendicular to the direction of travel of the vehicle (3), and when the vehicle (3) travels forward, the identification module (51) can identify the same The texture features of the front and rear tires (41) of an external vehicle (4), which means that the parking space (1) is long enough for the vehicle (3) to park, then the calculation module (52) transmits a signal to the reminder unit ( 6), the reminder unit (6) emits a reminder signal in the form of a beep to remind the driver of the vehicle (3) about the existence of the parking space (1) for the driver's parking reference, and the wireless transmission unit (7) Then the image captured by the image capturing unit (2) and the parking space (1) identified and calculated by the central processing unit (5) are transferred to the cloud server (8), and the cloud server (8) connects it to the network Maps are combined to display the latitude, longitude or geographic location of the parking space (1) on the network map, and the driver can enter the network map to find the parking space (1) information near the location through the mobile communication system carried by him. Effectively achieve the purpose of parking space (1) confirmation and location sharing, reducing the pain of other drivers finding the parking space (1); however, it must be noted that the above embodiment recognizes the parking space (1) on the right side of the vehicle (3) The existence is for convenience of description, not limited to the scope of the present invention, and those skilled in the art can recognize parking spaces on different sides of the vehicle (3) at the same time when they know that a plurality of image capturing units (2) are installed 1) Information does not affect the actual implementation of the present invention; Furthermore, the distance value (D) between the above tires (41) is set to be greater than 1.5 times the length value (L) of the vehicle (3) or greater than the vehicle ( 3) Two times the width value (W) is also for convenience of explanation, not limited to the present invention. This threshold value can be set by the driver himself, and those skilled in the art should know that they want to stop the vehicle (3) When entering the parking space (1), the distance value (D) of the parking space (1) must be greater than one of the length value (L) or the width value (W) of the vehicle (3), and it will not affect the invention. Actual implementation.
由上述之實施說明可知，本發明之停車空位辨識系統與現有 技術相較之下，本發明係具有以下優點： It can be seen from the above implementation description that the parking space identification system of the present invention and the existing In comparison with technology, the present invention has the following advantages:
1.本發明之停車空位辨識系統主要係藉由攝影機之影像擷取單元偵測至少一停放於道路邊或停車場內之車輛的輪胎紋理特徵之硬體設計，有效以計算車輛輪胎間距離的方式辨識停車空位的寬度值或長度值，以提醒駕駛者有關停車空位存在之訊息，解決駕駛者僅以肉眼評估停車空位之大小而無法順利停妥車輛，甚至造成碰撞之財產損害危險，確實達到準確計算各種停車空格之寬度值或長度值、協助駕駛者順利停車以節省時間與節能減碳，以及上傳停車空位影像至雲端以達到停車空位確認與位置共享之優勢者。 1. The parking space identification system of the present invention mainly uses the hardware design of the camera image capturing unit to detect the tire texture features of at least one vehicle parked on the roadside or in the parking lot, effectively calculating the distance between the tires of the vehicle Identify the width or length of the parking space to remind the driver about the existence of the parking space, solve the problem that the driver can only park the vehicle by visually assessing the size of the parking space and fail to park the vehicle smoothly, or even cause the risk of collision of property damage. The width value or length value of various parking spaces, assist the driver to park smoothly to save time and save energy and reduce carbon, and upload the parking space image to the cloud to achieve the advantages of parking space confirmation and location sharing.
2.本發明之停車空位辨識系統主要係藉由將影像擷取單元所擷取之停車空位的影像與地理資訊上傳至雲端伺服器，有效結合網路相關地圖(例如：Google Map等)落點，以達到停車空位確認與位置共享之目的，確實達到減少其他駕駛者費心費力尋找停車空位之痛苦者。 2. The parking space identification system of the present invention is mainly by uploading the image and geographic information of the parking space captured by the image capturing unit to the cloud server, effectively combining the location of network-related maps (such as Google Map, etc.) In order to achieve the purpose of parking space confirmation and location sharing, it truly reduces the pain of other drivers who have to find the parking space.
綜上所述，本發明之停車空位辨識系統，的確能藉由上述所揭露之實施例，達到所預期之使用功效，且本發明亦未曾公開於申請前，誠已完全符合專利法之規定與要求。爰依法提出發明專利之申請，懇請惠予審查，並賜准專利，則實感德便。 In summary, the parking space identification system of the present invention can indeed achieve the expected use effect through the embodiments disclosed above, and the present invention has not been disclosed before the application, and has fully complied with the provisions of the Patent Law and Claim. I filed an application for a patent for invention in accordance with the law, pleaded for the review, and granted the patent.
惟，上述所揭示之圖示及說明，僅為本發明之較佳實施例，非為限定本發明之保護範圍；大凡熟悉該項技藝之人士，其所依本發明之特徵範疇，所作之其它等效變化或修飾，皆應視為不脫離本發明之設計範疇。 However, the illustrations and descriptions disclosed above are only preferred embodiments of the present invention, and are not intended to limit the scope of protection of the present invention; those who are familiar with the art, according to the characteristic scope of the present invention, do other things Equivalent changes or modifications should be regarded as not departing from the design scope of the present invention.
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