TWM608806U - Quick screening system for individual with abnormal body temperature - Google Patents
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Abstract
一種體溫異常個體快篩系統,包括接收一可見光影像及一熱顯影像的一介接模組,及與該介接模組連接的一個體偵測模組與一處理模組。該個體偵測模組接收該可見光影像並進行影像分析以偵測個體;當偵測到一個體則給定一識別碼及判定該個體在該可見光影像中的座標資訊,並將該識別碼及對應之座標資訊回傳該介接模組,以及輸出該可見光影像。處理模組透過介接模組接收該熱顯影像以及該個體的該識別碼及該座標資訊,依據該座標資訊在該熱顯影像中取得代表該個體的一溫度值,並判斷該溫度值是否落入一異常體溫區間,若是,則產生及輸出一警示信號。A quick screening system for individuals with abnormal body temperature includes an interface module receiving a visible light image and a thermal display image, and a body detection module and a processing module connected to the interface module. The individual detection module receives the visible light image and performs image analysis to detect the individual; when a body is detected, an identification code is given and the coordinate information of the individual in the visible light image is determined, and the identification code and The corresponding coordinate information is returned to the interface module, and the visible light image is output. The processing module receives the thermal image, the identification code of the individual and the coordinate information through the interface module, obtains a temperature value representing the individual in the thermal image based on the coordinate information, and determines whether the temperature value is If it falls into an abnormal body temperature range, a warning signal is generated and output.
Description
本新型是有關於一種溫度偵測系統,特別是指一種可即時篩檢出體溫異常對象並提供警示的體溫異常個體快篩系統。 The present invention relates to a temperature detection system, in particular to a rapid screening system for individuals with abnormal body temperature that can instantly screen and detect objects with abnormal body temperature and provide warnings.
為防止疫情傳播,各設施場所需針對進場人員量測溫度以禁止發燒者進入,避免群聚感染。傳統使用額溫槍對人員逐一量測的方式相當耗時、耗人力,因此尤其在人潮眾多面積廣闊的場所,例如機場、醫院、百貨公司、學校等,則較適合採用熱像儀進行篩檢。 In order to prevent the spread of the epidemic, each facility needs to measure the temperature of the personnel entering the site to prohibit the entry of feverish persons and avoid group infection. The traditional method of using forehead thermometers to measure personnel one by one is time-consuming and labor-intensive. Therefore, it is more suitable to use thermal imaging cameras for screening, especially in places with large crowds, such as airports, hospitals, department stores, schools, etc. .
熱像儀係藉由感測預定範圍內之對象的輻射能量,經信號處理而將能量換算為體溫並以色彩影像呈現溫度變化,該色彩影像即熱顯影像。然而,熱顯影像並無法供直接辨認對象,需搭配人力緊盯輸出熱顯影像之螢幕,並以人工判斷現場對象,才能在有發燒者出現時即時找出並攔截。一旦無人監看螢幕,或者未能在當下辨認出發燒對象,事後追查的難度極高。 The thermal imaging camera senses the radiant energy of objects within a predetermined range, converts the energy into body temperature through signal processing, and presents temperature changes in a color image, which is a thermally displayed image. However, the thermal image cannot be used to directly identify the object. It is necessary to use manpower to keep a close eye on the screen that outputs the thermal image, and manually judge the object on the spot, so as to instantly find and intercept a feverish person. Once no one is watching the screen, or failing to identify the target who set off at the moment, it is extremely difficult to track down afterwards.
因此,本新型之目的,即在提供一種同時利用可見光影像與熱顯影像來自動篩檢出體溫異常者而發布警示的體溫異常個體快篩系統。 Therefore, the purpose of the present invention is to provide a rapid screening system for individuals with abnormal body temperature by simultaneously using visible light images and thermal display images to automatically screen out persons with abnormal body temperature and issue warnings.
於是,本新型體溫異常個體快篩系統,包含接收一可見光影像及一熱顯影像的一介接模組,以及與該介接模組連接的一個體偵測模組與一處理模組。 Therefore, the novel rapid screening system for individuals with abnormal body temperature includes an interface module that receives a visible light image and a thermal display image, and a body detection module and a processing module connected to the interface module.
該個體偵測模組自該介接模組接收該可見光影像,針對該可見光影像進行影像分析以偵測個體,當該個體偵測模組偵測到一個體則給定一識別碼及判定該個體在該可見光影像中的座標資訊,並將該識別碼及對應之座標資訊回傳該介接模組,以及輸出該可見光影像。 The individual detection module receives the visible light image from the interface module, performs image analysis on the visible light image to detect the individual, and when the individual detection module detects an object, it gives an identification code and determines the The individual's coordinate information in the visible light image, and the identification code and corresponding coordinate information are returned to the interface module, and the visible light image is output.
該處理模組自該介接模組接收該熱顯影像以及該個體的該識別碼及該座標資訊,依據該座標資訊在該熱顯影像中取得代表該個體的一溫度值,並判斷該溫度值是否落入一異常體溫區間,若是,則產生及輸出一警示信號。 The processing module receives the thermal image, the identification code of the individual and the coordinate information from the interface module, obtains a temperature value representing the individual in the thermal image according to the coordinate information, and determines the temperature Whether the value falls within an abnormal body temperature range, if so, a warning signal is generated and output.
本新型之功效在於:同時採用可見光影像以及熱顯影像進行分析,自動化篩檢出體溫異常個體並發出警示,能夠及時提醒防疫相關人員,有效率達到異常體溫篩檢效果。 The effect of the new model is that the visible light image and the thermal display image are used for analysis at the same time, and individuals with abnormal body temperature are automatically screened and warnings are issued, which can promptly remind relevant personnel of epidemic prevention and effectively achieve the effect of abnormal body temperature screening.
100:體溫異常個體快篩系統 100: Quick screening system for individuals with abnormal body temperature
1:雙眼攝影機 1: Binocular camera
10:殼體 10: Shell
11:可見光影像擷取模組 11: Visible light image capture module
12:熱顯影像擷取模組 12: Thermal display image capture module
13:光源 13: light source
14:防水元件 14: Waterproof components
15:散熱元件 15: Heat dissipation components
16:隔熱元件 16: Insulation element
2:快篩運算平台 2: Fast screening computing platform
21:介接模組 21: Interface module
22:個體偵測模組 22: Individual detection module
23:處理模組 23: Processing module
24:特徵資料庫 24: Feature database
3:顯示裝置 3: display device
4:警示系統 4: Warning system
S11~S13:步驟 S11~S13: steps
S21~S25:步驟 S21~S25: steps
S31~S36:步驟 S31~S36: steps
S41~S42:步驟 S41~S42: steps
101:可見光影像 101: Visible light image
102:熱顯影像 102: Thermal image
101a、101b、102a、102b:框 101a, 101b, 102a, 102b: frame
本新型之其他的特徵及功效,將於參照圖式的實施方式中清楚地呈現,其中:圖1是本新型體溫異常個體快篩系統的一實施例的一方塊圖;圖2是一立體圖,示意說明一雙眼攝影機之外觀;圖3是對應於圖2的一分解圖;圖4是一流程圖,說明本新型體溫異常個體快篩系統的運作方法;及圖5是一示意圖,說明切割螢幕同步播放顯示該可見光影像與熱顯影像。 The other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, in which: Fig. 1 is a block diagram of an embodiment of the rapid screening system for individuals with abnormal body temperature of the present invention; Fig. 2 is a perspective view, Schematic description of the appearance of a binocular camera; Figure 3 is an exploded view corresponding to Figure 2; Figure 4 is a flowchart illustrating the operation method of the new rapid screening system for individuals with abnormal body temperature; and Figure 5 is a schematic diagram illustrating the cutting The screen displays the visible light image and the thermally displayed image synchronously.
在本新型被詳細描述之前,應當注意在以下的說明內容中,類似的元件是以相同的編號來表示。 Before the present invention is described in detail, it should be noted that in the following description, similar elements are represented by the same numbers.
參閱圖1,本新型體溫異常個體快篩系統100適用於對人群進行體溫偵測,並即時篩檢出體溫異常者。在一實施例中,該體溫異常個體快篩系統100包括一雙眼攝影機1、與該雙眼攝影機1連線的一快篩運算平台2,以及與該快篩運算平台2連接的一顯示裝置3及一警示系統4。該雙眼攝影機1用於架設於篩檢現場,並包括同步拍攝同一範圍的一可見光影像擷取模組11以及一熱顯影像擷取模組12。
Referring to FIG. 1, the new
具體來說,該雙眼攝影機1如圖2及圖3所示,包括一殼
體10,該可見光影像擷取模組11及該熱顯影像擷取模組12容置於該殼體10中且鏡頭外露於該殼體10。為確保拍攝可見光影像之光線充足,該雙眼攝影機1還進一步包括一光源13,例如為白光LED燈。此外,由於篩檢現場可能在戶外,因此本實施例之雙眼攝影機1的殼體10進一步配備有多個設置於該殼體10接縫處的防水元件14(例如矽膠條)、多個設置於該殼體10內表面的散熱元件15,及一隔熱元件16。其中,該等散熱元件15可以是導熱貼片,設置於鄰近電路板的發熱源(例如IC模組)處,將其運作時產生的熱快速導到殼體10上,而殼體10可以是鋁合金材質以快速散熱。該隔熱元件16具體來說是形成於該殼體10內表面且對應圍繞框住該熱顯影像擷取模組12的圍牆,藉此避免該雙眼攝影機1內部的熱影響該熱顯影像擷取模組12的熱成像結果。
Specifically, the
該快篩運算平台2是一運算裝置,例如為伺服器、桌上型電腦、筆記型電腦或平板電腦,其具有一儲存單元(圖未示)與一處理單元(圖未示)。該快篩運算平台2可設置在遠端而透過網際網路、區域網路或無線網路與該雙眼攝影機1連線,也可以是與該雙眼攝影機1共同設置於篩檢現場而透過有線方式連接。
The quick screening computing platform 2 is a computing device, such as a server, a desktop computer, a notebook computer, or a tablet computer, which has a storage unit (not shown) and a processing unit (not shown). The fast screening computing platform 2 can be set remotely and connected to the
該快篩運算平台2包括利用軟體開發工具套件(Software Development Kit,SDK)建立的一介接模組21、一個體偵測模組22及一處理模組23,以及一建立於該儲存單元的特徵
資料庫24。該等模組21~23相互連接,且具體來說係儲存於該儲存單元並由該處理單元讀取執行而交互運作的應用程式。
The fast screening computing platform 2 includes an
如圖4所示,該體溫異常個體快篩系統100之運作方法包括以下步驟,其中,該介接模組21執行步驟S11~S13、該個體偵測模組22執行步驟S21~S25、該處理模組23執行步驟S31~S36,且該顯示裝置3與該警示系統4分別執行步驟S41與S42。
As shown in FIG. 4, the operating method of the
在步驟S11,該介接模組21接入來自該可見光影像擷取模組11的可見光影像,以及來自該熱顯影像擷取模組12的熱顯影像。具體來說,該可見光影像擷取模組11可以是以串流技術提供例如200萬像素之高解析度的可見光影像,該熱顯影像擷取模組12可以是以每秒9幀的速度(rate)提供例如80×60像素熱顯影像,而該介接模組21是以例如每秒3幀的速度擷取得到如圖4所示的該可見光影像101以及該熱顯影像102並裁切為相對應的比例,作為後續處理之標的。如此一來,該介接模組21取得同一時間點的可見光影像101及熱顯影像102。該介接模組21擷取影像的速度可以依需求(例如該場所通常的人群移動速度)或者依硬體效能而設定為不同。例如在硬體效能高的平台2上,該介接模組21擷取影像的速度可以設定為例如每秒9幀,相當於該熱顯影像擷取模組12所擷取的每一張熱顯影像102都進行處理,藉此即使有個體快速通過,也能
夠偵測而不遺漏。
In step S11, the
在步驟S12,該介接模組21將該可見光影像101傳送至個體偵測模組22使其執行步驟S21,以及將該熱顯影像102傳送至處理模組23使其執行步驟S31。
In step S12, the
在步驟S21,該個體偵測模組22接收該可見光影像101並針對該可見光影像101進行影像分析以偵測個體。在本實施例,該個體偵測模組22係以人臉辨識技術(例如採用多個人臉模板)在該可見光影像101中偵測符合人臉特徵之部分。當該個體偵測模組22偵測到與該人臉模板相匹配的部分即辨識為一人臉(亦即視為一個體),並執行步驟S22,給定每個個體一識別碼及判定該個體在該可見光影像101中的座標資訊。具體舉例來說,該個體偵測模組22在偵測到二個人臉的情況下,會分別給定識別碼,並在該可見光影像101中的人臉部分標示框101a及101b,並決定出對應於該框101a的二座標值作為其中一人臉的座標資訊、決定出框101b的二座標值作為另一個人臉的座標資訊。該等框101a、101b可以是矩形框或圓形框等,而該座標資訊則可以是矩形框的兩個對角(例如左上角及右下角)的座標值,或者是圓形框之圓心座標與直徑。
In step S21, the
須說明的是,該個體偵測模組22偵測個體不以人臉辨識為限,也可以設計為辨識不同特徵,例如辨識人體肩膀。
It should be noted that the detection of individuals by the
該個體偵測模組22在步驟S23中,將該識別碼及對應
之座標資訊回傳該介接模組21。該介接模組21接收到該識別碼以及座標資訊後,進一步在步驟S13中轉傳給處理模組23。該處理模組23一方面在接收該熱顯影像102之後,先進行環境溫度校正(步驟S31),另一方面,依據所接收的座標資訊,在經校正的該熱顯影像上取得對應的溫度值(步驟S32)。前述環境溫度校正可採用現有的溫度補償校正技術或黑體校正技術來對該熱顯影像擷取模組12進行校正。該處理模組23具體來說係依據該座標資訊得到對應的框,並在該熱顯影像102中取得該框範圍內溫度的最高值作為該個體溫度值。在其他實施例,該處理模組23是在該熱顯影像102中取得該框範圍內特定部位的溫度值作為該個體溫度值,例如假設該框的範圍對應人臉,則設定取得該框的上半部中央部位的溫度值作為該個體的額溫。
In step S23, the
以圖4所示的可見光影像101以及熱顯影像102舉例來說,當該個體偵測模組22偵測到人臉,在該可見光影像101中的人臉部分標示矩形框101a、101b,並決定出各該矩形框101a、101b的兩個對角的座標值,該處理模組23則是在該熱顯影像102中標示對應矩形框102a、102b,並分別取得該框102a、102b內溫度值。
Taking the visible
該處理模組23一方面,在該熱顯影像102的該等矩形框102a、102b處標示該溫度值(步驟S33),另一方面將所取得的該溫度值連同對應之識別碼回傳給該介接模組21再傳送給該個體偵測
模組22(步驟S34),使該個體偵測模組22在該可見光影像101上鄰近該框101a處標示該溫度值(步驟S24)。
The
更進一步,當本新型應用於特定場所,例如學校或辦公室,由於每日進入該場所的對象是特定的學生、教職員,或者公司員工,因此適合進一步建立該等對象之長期體溫紀錄以進行大數據溫度分析。在此目的下,該個體偵測模組22所執行的步驟S22還進一步包括分析被辨識出的部分並得到一組特徵值。該特徵值可以是以多參數構成多維向量來表達,該等參數分別代表多個類型的人臉特徵,例如左右眼的距離、左右眼的角度、額頭長寬比等。於步驟S25,該組特徵值連同該識別碼以及後續回傳的溫度值,一併被儲存於該特徵資料庫24。分析該特徵資料庫24時,對於兩兩特徵值所判定之相似度高於一預設值(例如95%)時,該二特徵值所對應的個體可歸類為同一個體。
Furthermore, when the new model is applied to a specific place, such as a school or an office, because the objects that enter the place every day are specific students, faculty, or company employees, it is suitable for further establishing long-term body temperature records of these objects for big data Temperature analysis. For this purpose, the step S22 performed by the
更重要的是,該處理模組23進一步執行步驟S35,判斷步驟S32中取得的該溫度值是否落入一異常體溫區間,若是,則進行步驟S36產生及輸出一警示信號。該異常體溫區間係依據人體體溫而設定為例如37.5-43℃,藉此減少熱食熱飲造成誤判干擾,使系統100只針對人體可能出現的高溫進行處理。
More importantly, the
須說明的是,前述步驟S33~S35並無先後順序之限定,此三個動作可以是同步執行,也可以調換順序。 It should be noted that the aforementioned steps S33 to S35 are not limited to the sequence, and the three actions can be executed synchronously, or the sequence can be reversed.
在本實施例,產生的警示信號,是一觸發信號,其使該個體偵測模組22改以紅色框標示個體,且改以紅色字體標示該溫度值的信號,亦使該處理模組23改紅色框標示個體以及以紅色字體標示該溫度值。除此之外,在步驟S41中,該警示信號傳送至該警示系統4,該警示系統4可以係該運算裝置的揚聲器或者外加的警示燈,其受觸發而發出聲響或者閃燈提醒管理人員。在其他實施例,該警示系統4可以是一通訊軟體,其受觸發而產生並發送訊息通知防疫相關人員。在一實施例中,該警示信號進一步觸發該個體偵測模組22輸出以紅色框標示體溫異常之個體的可見光影像101,使該警示系統4發出訊息時結合該可見光影像101,該人員藉此可以立即了解出現了體溫異常之個體且可輕易辨認追蹤。以上警示機制亦可共同配合實施,藉此提高警示效果。
In this embodiment, the generated warning signal is a trigger signal, which causes the
最終,該個體偵測模組22與該處理模組23分別輸出經框示個體及標示溫度的該可見光影像101與熱顯影像102,並透過該顯示裝置3以切割螢幕同步播放顯示,也就是如圖4所示之畫面。該等影像亦可視需求錄影儲存,以供回溯追蹤。
Finally, the
綜上所述,本新型體溫異常個體快篩系統100同時採用可見光影像101以及熱顯影像102進行分析,不但能夠透過同步播放兩種影像而有助於辨認體溫異常者,還透過自動化分析演算,篩檢出體溫異常個體並發出警示,故確實能達成本新型之目的。
In summary, the new
惟以上所述者,僅為本新型之實施例而已,當不能以此限定本新型實施之範圍,凡是依本新型申請專利範圍及專利說明書內容所作之簡單的等效變化與修飾,皆仍屬本新型專利涵蓋之範圍內。 However, the above are only examples of the present model, and should not be used to limit the scope of implementation of the present model, all simple equivalent changes and modifications made in accordance with the patent scope of the present model application and the contents of the patent specification still belong to This new patent covers the scope.
100:體溫異常個體快篩系統 100: Quick screening system for individuals with abnormal body temperature
1:雙眼攝影機 1: Binocular camera
2:快篩運算平台 2: Fast screening computing platform
3:顯示裝置 3: display device
4:警示系統 4: Warning system
11:可見光影像擷取模組 11: Visible light image capture module
12:熱顯影像擷取模組 12: Thermal display image capture module
21:介接模組 21: Interface module
22:個體偵測模組 22: Individual detection module
23:處理模組 23: Processing module
24:特徵資料庫 24: Feature database
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