TWI752493B - Poultry image recognition dwell time analysis system and method - Google Patents
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Abstract
一種禽隻圖像辨識停留時間分析方法,適用於分析多張待分析禽隻圖像,由一系統執行,該方法包含:(A)利用一禽隻偵測模型,產生多個分別對應該等待分析禽隻圖像的禽隻偵測結果,每一禽隻偵測結果包括至少一禽隻區域位置;(B)對於每一待分析禽隻圖像,根據該待分析禽隻圖像對應的禽隻偵測結果,及一前一待分析禽隻圖像所對應的一前一禽隻偵測結果,計算出每一禽隻區域位置與其所對應的禽隻區域位置的重疊率;及(C)根據該等待分析禽隻圖像、該等禽隻偵測結果及該等待分析禽隻圖像所對應的重疊率,計算出該等待分析禽隻圖像之禽隻的停留時間。 A method for analyzing residence time of poultry image recognition, which is suitable for analyzing a plurality of images of poultry to be analyzed, and is executed by a system. Analyze the bird detection results of the bird images, each bird detection result includes at least one bird area position; (B) for each bird image to be analyzed, according to the corresponding bird image to be analyzed. The bird detection result, and the previous bird detection result corresponding to the previous bird image to be analyzed, calculate the overlap rate of each bird area position and its corresponding bird area position; and ( C) According to the bird image waiting to be analyzed, the detection results of the birds and the overlap ratio corresponding to the bird image waiting to be analyzed, calculate the dwell time of the bird waiting to be analyzed.
Description
本發明是有關於一種圖像辨識之分析方法,特別是指一種禽隻圖像辨識停留時間分析系統和方法。 The present invention relates to an analysis method for image recognition, in particular to a system and method for analyzing residence time of bird image recognition.
禽類在罹病的情況下,常有蹲伏、嗜睡、腹瀉、羽毛皺褶等明顯的臨床症狀,這些症狀都會使得禽類活動力下降,而常駐原地。為了觀察禽隻是否有因罹病而產生的異常行為,在傳統禽類飼養場飼養管理上,常是以管理人員進入現場禽舍觀察禽隻採食及行為情況為主。但是大部分禽隻生性敏感容易受到驚嚇,一旦受到驚嚇可能數天難以平靜。在人為干擾之下可能會造成禽隻有緊迫的狀況發生,進而影響到禽隻生活品質或是異常行為判斷的正確性。 When birds are sick, they often have obvious clinical symptoms such as crouching, lethargy, diarrhea, and feather wrinkling. These symptoms will reduce the activity of birds and stay in place. In order to observe whether the birds have abnormal behaviors due to disease, in the feeding management of traditional poultry farms, managers often enter the on-site poultry house to observe the feeding and behavior of the birds. However, most birds are naturally sensitive and easily frightened, and once frightened, it may be difficult to calm down for several days. Under human interference, it may cause urgent situations of birds, which in turn affect the quality of life of birds or the correctness of abnormal behavior judgments.
目前禽類飼養場已逐漸開始導入攝影設備協助飼養管理,管理人員只要在辦公室內就能夠監視現場禽舍內部禽隻的停留狀況,以分析禽隻是否有活動力下降而有罹病風險,降低管理人員進入現場禽舍的頻率,減少對於飼養禽隻的干擾以及意外帶入病原的風險。 At present, poultry farms have gradually begun to introduce photographic equipment to assist in breeding management. As long as the management personnel are in the office, they can monitor the staying status of the birds in the on-site poultry house to analyze whether the birds have decreased activity and risk of disease, and reduce the management personnel. The frequency of entry to the on-site poultry house to reduce disturbance to the birds and the risk of accidental introduction of pathogens.
然而,現有的管理方式,還是需要仰賴人工24小時的監視攝影設備的畫面,以掌握禽隻的停留狀況,非常地耗費人力成本。 However, the existing management method still needs to rely on manual 24-hour monitoring of the images of the photographic equipment to grasp the staying status of the birds, which is very labor-intensive.
因此,本發明的目的,即在提供一種根據禽隻圖像自動計算禽隻停留時間的禽隻圖像辨識停留時間分析方法。 Therefore, the purpose of the present invention is to provide a bird image recognition dwell time analysis method for automatically calculating the bird dwell time according to the bird image.
於是,本發明禽隻圖像辨識停留時間分析方法,適用於分析連續拍攝的多張待分析禽隻圖像,每一待分析禽隻圖像包括至少一禽隻及一拍攝時間,由一禽隻圖像辨識停留時間分析系統執行,該方法包含一步驟(A)、一步驟(B),及一步驟(C)。 Therefore, the residence time analysis method for bird image recognition according to the present invention is suitable for analyzing a plurality of images of birds to be analyzed that are continuously photographed. Only the image recognition dwell time analysis system is performed, and the method includes a step (A), a step (B), and a step (C).
在該步驟(A)中,該禽隻圖像辨識停留時間分析系統利用一用於偵測禽隻區域的禽隻偵測模型,偵測該等待分析禽隻圖像的禽隻區域,以產生多個分別對應該等待分析禽隻圖像的禽隻偵測結果,每一禽隻偵測結果包括至少一禽隻區域位置。 In the step (A), the bird image recognition dwell time analysis system uses a bird detection model for detecting bird regions to detect the bird regions waiting to be analyzed for the bird images to generate A plurality of bird detection results respectively corresponding to the bird images waiting to be analyzed, and each bird detection result includes at least one bird area location.
在該步驟(B)中,對於每一待分析禽隻圖像,該禽隻圖像辨識停留時間分析系統根據該待分析禽隻圖像對應的禽隻偵測結果之至少一禽隻區域位置,及一在前一拍攝時間拍攝之前一待分析禽隻圖像所對應的一前一禽隻偵測結果之至少一禽隻區域位置,計算出每一禽隻區域位置與其所對應的禽隻區域位置的重疊率。 In this step (B), for each bird image to be analyzed, the bird image recognition dwell time analysis system according to the bird image to be analyzed corresponds to the bird detection result corresponding to at least one bird area position , and at least one bird region position of a previous bird detection result corresponding to a bird image to be analyzed before the previous shooting time, and calculate each bird region position and its corresponding bird The overlap ratio of the region locations.
在該步驟(C)中,該禽隻圖像辨識停留時間分析系統根據 該等待分析禽隻圖像、該等禽隻偵測結果及該等待分析禽隻圖像所對應的重疊率,計算出該等待分析禽隻圖像之禽隻的停留時間。 In this step (C), the poultry image recognition residence time analysis system is based on The bird image waiting to be analyzed, the detection results of the birds and the overlap ratio corresponding to the bird image waiting to be analyzed, the dwell time of the bird waiting to be analyzed is calculated.
本發明的另一目的,即在提供一種根據禽隻圖像自動計算禽隻停留時間的禽隻圖像辨識停留時間分析系統。 Another object of the present invention is to provide a bird image recognition dwell time analysis system that automatically calculates the bird dwell time according to the bird image.
於是,本發明禽隻圖像辨識停留時間分析系統,包含一儲存裝置、一圖像拍攝裝置,及一分析伺服器。 Therefore, the poultry image recognition residence time analysis system of the present invention includes a storage device, an image capture device, and an analysis server.
該儲存裝置連接一通訊網路。 The storage device is connected to a communication network.
該圖像拍攝裝置經由該通訊網路連接該儲存裝置,並用以連續的拍攝一禽隻飼養場,以產生並經由該通訊網路傳送多張待分析禽隻圖像至該儲存裝置,每一待分析禽隻圖像包括至少一禽隻及一拍攝時間。 The image capturing device is connected to the storage device via the communication network, and is used for continuously capturing a poultry farm to generate and transmit a plurality of images of the birds to be analyzed to the storage device through the communication network, each of which is to be analyzed. The bird image includes at least one bird and a shooting time.
該分析伺服器經由該通訊網路連接該儲存裝置,利用一用於偵測禽隻區域的禽隻偵測模型,偵測該等待分析禽隻圖像的禽隻區域,以產生多個分別對應該等待分析禽隻圖像的禽隻偵測結果,每一禽隻偵測結果包括至少一禽隻區域位置,並對於每一待分析禽隻圖像,根據該待分析禽隻圖像對應的禽隻偵測結果之至少一禽隻區域位置,及一在前一拍攝時間拍攝之前一待分析禽隻圖像所對應的一前一禽隻偵測結果之至少一禽隻區域位置,計算出每一禽隻區域位置與其所對應的禽隻區域位置的重疊率,再根據該等待分析禽隻圖像、該等禽隻偵測結果及該等待分析禽隻圖像所對應的重 疊率,計算出該等待分析禽隻圖像之禽隻的停留時間。 The analysis server is connected to the storage device via the communication network, and uses a bird detection model for detecting the bird region to detect the bird region waiting to be analyzed for the bird image, so as to generate a plurality of corresponding bird regions respectively. Waiting for the bird detection result of the analyzed bird image, each bird detection result includes at least one bird area position, and for each bird image to be analyzed, according to the bird image corresponding to the bird image to be analyzed Only the position of at least one bird area of the detection result and the position of at least one bird area of the previous bird detection result corresponding to the image of the bird to be analyzed before the previous shooting time was calculated, and each The overlap ratio between the position of the poultry area and the position of the corresponding poultry area, and then according to the pending analysis poultry image, the poultry detection results and the weight corresponding to the pending analysis poultry image The overlap rate is calculated to calculate the dwell time of the bird waiting to analyze the bird image.
本發明的功效在於:藉由該分析伺服器利用該禽隻偵測模型偵測該等待分析禽隻圖像的禽隻區域,並根據該待分析禽隻圖像與該前一待分析禽隻圖像,計算出每一禽隻區域位置與其所對應的禽隻區域位置的重疊率,再根據該等待分析禽隻圖像、該等禽隻偵測結果及該等待分析禽隻圖像所對應的重疊率,計算出該等待分析禽隻圖像之禽隻的停留時間。 The effect of the present invention is: the analysis server uses the bird detection model to detect the bird area of the bird image to be analyzed, and according to the image of the bird to be analyzed and the previous bird to be analyzed image, calculate the overlap rate of each bird area position and its corresponding bird area position, and then according to the pending analysis bird image, the poultry detection results and the corresponding poultry image to be analyzed Calculate the dwell time of the bird waiting to analyze the bird image.
11:儲存裝置 11: Storage device
12:圖像拍攝裝置 12: Image capture device
13:訓練伺服器 13: Train the server
14:分析伺服器 14: Analysis Server
100:通訊網路 100: Communication Network
2:訓練程序 2: Training program
201~205:步驟 201~205: Steps
3:分析程序 3: Analysis procedure
301~312:步驟 301~312: Steps
41:禽隻區域位置 41: Poultry area location
42:禽隻區域位置 42: Poultry area location
43:交集面積 43: Intersection area
44:聯集面積 44: Union area
本發明的其他的特徵及功效,將於參照圖式的實施方式中清楚地呈現,其中:圖1是一方塊圖,說明本發明禽隻圖像辨識停留時間分析系統的一實施例;圖2是一流程圖,說明本發明禽隻圖像辨識停留時間分析方法的一實施例的一訓練程序;圖3是一流程圖,說明本發明禽隻圖像辨識停留時間分析方法的該實施例的一分析程序;及圖4是一示意圖,說明二禽隻區域位置之一重疊率的計算方式。 Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, wherein: Fig. 1 is a block diagram illustrating an embodiment of the dwell time analysis system for bird image recognition according to the present invention; Fig. 2 Fig. 3 is a flow chart illustrating a training procedure of an embodiment of the dwell time analysis method for bird image recognition according to the present invention; an analysis procedure; and FIG. 4 is a schematic diagram illustrating a calculation method of an overlap ratio of two regional positions of birds.
在本發明被詳細描述之前,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 designated by the same reference numerals.
參閱圖1,本發明禽隻圖像辨識停留時間分析系統的一實施例,該實施例包括一儲存裝置11、一圖像拍攝裝置12、一訓練伺服器13,及一分析伺服器14。
Referring to FIG. 1 , an embodiment of a system for analyzing residence time of poultry image recognition according to the present invention includes a
該儲存裝置11儲存多張訓練禽隻圖像,且連接一通訊網路100,每一訓練禽隻圖像標註有至少一禽隻區域。值得注意的是,在本實施例中,該通訊網路100例如為網際網路(internet),每一禽隻區域是以矩形標註,但不以此為限,在其他實施方式中,禽隻區域一可以圓形、橢圓形、多邊形等形狀標註。
The
該圖像拍攝裝置12經由該通訊網路100連接該儲存裝置11,並用以連續的拍攝一禽隻飼養場,以產生並經由該通訊網路100傳送多張待分析禽隻圖像至該儲存裝置11,每一待分析禽隻圖像包括至少一禽隻及一拍攝時間。值得注意的是,在本實施例中,該圖像拍攝裝置12具有一攝影機,及一電連接該攝影機的嵌入式系統(Embedded System),該嵌入式系統控制該攝影機拍攝該禽隻飼養場。
The image capturing
值得注意的是,在本實施例中,該等訓練禽隻圖像及該等待分析禽隻圖像皆是以俯視角度拍攝,以避免出現同一張圖像禽隻重疊現象發生,但不以此為限。 It is worth noting that, in this embodiment, the images of the training birds and the images of the birds to be analyzed are all taken from an overhead angle to avoid the phenomenon of overlapping birds in the same image, but this is not the case. limited.
該訓練伺服器13經由該通訊網路100連接該儲存裝置11。
The
該分析伺服器14經由該通訊網路100連接該儲存裝置11及該訓練伺服器13。
The
值得注意的是,在本實施例中,由於該訓練伺服器13及該分析伺服器14需要處理高解析度的圖像,故皆具有圖形處理單元(Graphics Processing Unit,GPU)。
It should be noted that, in this embodiment, since the
本發明禽隻圖像辨識停留時間分析方法的一實施例,包含一訓練程序2及一分析程序3,以下詳述該禽隻圖像辨識停留時間分析如何實施該實施例。 An embodiment of the method for analyzing dwell time for bird image recognition according to the present invention includes a training program 2 and an analysis program 3. The following describes in detail how the dwell time analysis for bird image recognition implements the embodiment.
參閱圖2,該實施例的該訓練程序2,包含步驟201~205。
Referring to FIG. 2 , the training program 2 of this embodiment includes
在步驟201中,該訓練伺服器13經由該通訊網路100從該儲存裝置11獲得該訓練禽隻圖像。
In
在步驟202中,該訓練伺服器13將該等訓練禽隻圖像分群成一訓練集(training dataset)及一驗證集(validation dataset)。
In
在步驟203中,該訓練伺服器13根據該訓練集中的所有訓練禽隻圖像,利用一機器學習演算法,建立一訓練模型。在本實施例中,該該機器學習演算法例如為一卷積神經網路(Convolutional Neural Network,CNN)演算法,但不以此為
限。
In
在步驟204中,該訓練伺服器13根據該驗證集中的所有訓練禽隻圖像調整該訓練模型,以獲得一用於偵測禽隻區域的禽隻偵測模型。
In
在步驟205中,該訓練伺服器13經由該通訊網路100將該禽隻偵測模型傳送至該分析伺服器14。
In
參閱圖3,該實施例的該分析程序3,包含步驟301~312。要特別說明的是,在本實施例中,該圖像拍攝裝置12例如產生並經由該通訊網路100傳送N張待分析禽隻圖像至該儲存裝置11,其中N>1。
Referring to FIG. 3 , the analysis program 3 of this embodiment includes
在步驟301中,初始時也就是在開始執行該分析程序3時,該分析伺服器14令i=1,以指示出當前對應於第1張待分析禽隻圖像。
In
在步驟302中,該分析伺服器14利用該禽隻偵測模型,偵測第i張待分析禽隻圖像的禽隻區域,以產生一對應該第i張待分析禽隻圖像的禽隻偵測結果,該禽隻偵測結果包括K i 個禽隻區域位置,其中K i 1。值得注意的是,每一禽隻區域位置例如包括在待分析禽隻圖像定義的一個二維坐標系的一最小x軸座標、一最小y座標、一最大x軸座標,及一最大y軸座標,其中根據該最小x軸座標、該最小y座標、該最大x軸座標,及該最大y軸座標可在待分析
禽隻圖像中構成一定界框(bounding box)。
In
在步驟303中,該分析伺服器14判定i是否大於1。當該分析伺服器14判定i不大於1時,流程進行步驟304;而當該分析伺服器14判定i大於1時,流程進行步驟305。
In
在步驟304中,該分析伺服器14對於第(i+1)張待分析禽隻圖像,亦即將i設為i+1,並重複步驟302。
In
在步驟305中,該分析伺服器14令j=1,以指示出當前對應於第i張待分析禽隻圖像的第j個禽隻區域位置。
In
在步驟306中,該分析伺服器14根據該第j個禽隻區域位置,及第i-1張待分析禽隻圖像,計算出該第j個禽隻區域位置與其在該第i-1張待分析禽隻圖像所對應的禽隻區域位置的一重疊率。
In
值得注意的是,搭配參閱圖4,在本實施例中,該分析伺服器14係根據該第j個禽隻區域位置41與其在該第i-1張待分析禽隻圖像所對應的禽隻區域位置42之交集面積43及聯集面積44計算,該重疊率為該第j個禽隻區域位置41與其在該第i-1張待分析禽隻圖像所對應的禽隻區域位置42的交集面積43除以該第j個禽隻區域位置41與其在該第i-1張待分析禽隻圖像所對應的禽隻區域位置42的聯集面積44,但不此為限。
It should be noted that, referring to FIG. 4 , in this embodiment, the
在步驟307中,該分析伺服器14判定該重疊率是否大於一門檻值。當該分析伺服器14判定出該重疊率不大於該門檻值時,
流程進行步驟308;而當該分析伺服器14判定出該重疊率大於該門檻值時,流程進行步驟309。值得注意的是,在本實施例中,該門檻值例如為0.9,但不以此為限。
In
在步驟308中,該分析伺服器14產生一包括一停留開始時間、該第j個禽隻區域位置,及一累計時間的禽隻停留事件資料,其中該停留開始時間為該待分析禽隻圖像的拍攝時間,及該累計時間初始值為0。
In
在步驟309中,該分析伺服器14獲得包括該第j個禽隻區域位置在該第i-1張待分析禽隻圖像所對應的禽隻區域位置的禽隻停留事件資料,並根據該禽隻停留事件資料之停留開始時間及該第i張待分析禽隻圖像的拍攝時間,更新該禽隻停留事件資料之累計時間,且將該第j個禽隻區域位置儲存至該禽隻停留事件資料。值得注意的是,該累計時間即為禽隻的停留時間,該累計時間為該第i張待分析禽隻圖像的拍攝時間減去該禽隻停留事件資料之停留開始時間的時間。
In
要特別注意的是,為方便管理,在其他實施方式中,對於每一禽隻區域位置,該分析伺服器14亦可產生一對應該禽隻區域位置的唯一識別碼(Unique Identifier,UID),並在步驟308中的該禽隻停留事件資料的該第j個禽隻區域位置以該第j個禽隻區域位置對應的唯一識別碼取代,而在步驟309中即可以該唯一識別碼快
速獲得包括該唯一識別碼的禽隻停留事件資料,並儲存該第j個禽隻區域位置對應的唯一識別碼儲存至該禽隻停留事件資料。
It should be noted that, for the convenience of management, in other embodiments, for each bird area location, the
在步驟308、309之後的步驟310中,該分析伺服器14判定該第j個禽隻區域位置是否為第K i 個禽隻區域位置,即判定是否j=K i 。當該分析伺服器14判定出該第j個禽隻區域位置不為第K i 個禽隻區域位置時,流程進行步驟311;而當該分析伺服器14判定出該第j個禽隻區域位置為第K i 個禽隻區域位置時,流程進行步驟312。
After
在步驟311中,該分析伺服器14對於第(j+1)個禽隻區域位置,亦即將j設為j+1,並重複步驟306。
In
在步驟312中,該分析伺服器14判定該第i張待分析禽隻圖像是否為第N張待分析禽隻圖像,即判定是否i=N。當該分析伺服器14判定出該第i張待分析禽隻圖像不為第N張待分析禽隻圖像,重複步驟304;而當該分析伺服器14判定出該第i張待分析禽隻圖像為第N張待分析禽隻圖像,則結束該分析程序3。
In
綜上所述,本發明禽隻圖像辨識停留時間分析系統和方法,該訓練伺服器13根據該等訓練禽隻圖像建立該禽隻偵測模型,再藉由該分析伺服器14利用該禽隻偵測模型偵測該等待分析禽隻圖像的禽隻區域,並根據該第i張待分析禽隻圖像與該第i-1張待分析禽隻圖像,計算出該第i張待分析禽隻圖像的該第j個禽隻區域位
置與其在該第i-1張待分析禽隻圖像所對應的禽隻區域位置的重疊率,再根據該等待分析禽隻圖像、該等禽隻偵測結果及該等待分析禽隻圖像所對應的重疊率,計算出該等待分析禽隻圖像之禽隻的停留時間,故確實能達成本發明的目的。
To sum up, in the system and method for analyzing dwell time of bird image recognition according to the present invention, the
惟以上所述者,僅為本發明的實施例而已,當不能以此限定本發明實施的範圍,凡是依本發明申請專利範圍及專利說明書內容所作的簡單的等效變化與修飾,皆仍屬本發明專利涵蓋的範圍內。 However, the above are only examples of the present invention, and should not limit the scope of implementation of the present invention. Any simple equivalent changes and modifications made according to the scope of the patent application of the present invention and the contents of the patent specification are still included in the scope of the present invention. within the scope of the invention patent.
3:分析程序 3: Analysis procedure
301~312:步驟 301~312: Steps
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