WO2019228063A1 - 商品检测终端、方法、系统以及计算机设备、可读介质 - Google Patents
商品检测终端、方法、系统以及计算机设备、可读介质 Download PDFInfo
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Definitions
- Embodiments of the present disclosure relate to a commodity detection terminal, a method, a system, a computer device, and a readable medium.
- At least one embodiment of the present disclosure provides a commodity detection terminal, including:
- An image segmentation unit configured to obtain position information of each grid of a shelf in the shelf image based on a first image, where the first image is an image when no goods are placed on the shelf;
- a detection unit configured to obtain a current grid and a current quantity where each commodity is located based on a second image, the second image being a current image of a shelf on which the commodity is placed;
- the judging unit is configured to compare the current grid and the current quantity of each commodity with the preset grid and the preset quantity of the commodity to determine whether the state of the commodity satisfies a preset condition.
- the image segmentation unit includes:
- a feature extraction unit configured to convert the first image into a grayscale image, and obtain a feature image based on the grayscale image and the extracted color channel image;
- An edge detection unit configured to extract edge information according to the feature image and perform edge detection to obtain a binary image
- the straight line extraction unit is configured to extract a straight line from the binary image, and use the straight line as a division line of the first image.
- the color channel image includes: a first color channel image, a second color channel image, and a third color channel image;
- the feature extraction unit includes a calculation unit configured to obtain a differential absolute value image of the grayscale image and one of the color channel images, and obtain a gradient amplitude image of the differential absolute value image, where The shaving magnitude image is set as the feature image.
- the first color is red
- the second color is green
- the third color is blue
- the feature extraction unit extracts a red channel image
- the calculation unit calculates the grayscale image and A differential absolute value image of a red color channel image, and a gradient amplitude image of the differential absolute value image is obtained.
- the image segmentation unit includes at least one of the following units:
- a straight line clustering unit configured to cluster the straight lines to obtain a straight line detection result
- a noise processing unit configured to perform an average filtering process on the first image to remove image noise
- the distortion correction unit is configured to perform image correction on the first image by using a checkerboard calibration method.
- the commodity detection terminal further includes a training unit configured to establish a commodity detection model based on an SSD algorithm; wherein the detection unit performs commodity detection through the commodity detection model.
- the determining unit includes:
- the wrong product judgment unit is configured to compare the current grid where the product is located with the preset grid of the product, and when the comparison result is inconsistent, determine that the product is in the wrong state; and / or,
- the out-of-stock determination unit is configured to compare a current quantity of a product with a preset critical quantity value of the product, and determine that the product is out of stock when the current quantity of the product is less than the preset critical quantity value of the product.
- At least one embodiment of the present disclosure provides a method for detecting a commodity, including:
- the current grid and current quantity of each commodity are compared with a preset grid and a preset critical quantity value of the commodity to determine whether the state of the commodity meets a preset condition.
- acquiring position information of each grid of a shelf in the first image based on the first image includes:
- a straight line is extracted based on the binary image, and the straight line is used as a division line of the first image.
- the color channel image includes: a first color channel image, a second color channel image, and a third color channel image;
- Converting the first image into a grayscale image, and obtaining a feature image based on the grayscale image and the extracted color channel image includes: obtaining a differential absolute value image of the grayscale image and one of the color channel images, and acquiring the The gradient amplitude image of the differential absolute value image is set as the feature image.
- the first color is red
- the second color is green
- the third color is blue.
- obtaining a feature image includes: a red channel image, The differential absolute value image of the grayscale image and the red color channel image is described, and the gradient amplitude image of the differential absolute value image is obtained, and the shaving amplitude image is set as the feature image.
- the grayscale image is obtained by calculating an effective brightness value of each pixel in the first image, and a formula of the effective brightness value is:
- Y 0.3R + 0.59G + 0.11B, where Y is the gray value of the pixel, R is the first color channel value of the pixel, G is the second color channel value of the pixel, and B is the first color channel value of the pixel Three color channel values.
- obtaining the position information of each grid of the shelf in the first image based on the first image further includes at least one of the following steps:
- the checkerboard calibration method was used to correct the first image.
- the method further includes establishing a commodity detection model based on the SSD algorithm, and the commodity detection model is suitable for commodity detection.
- the current grid and current quantity of each commodity are compared with the preset grid and preset critical quantity values of the commodity to determine whether the state of the commodity meets
- the preset conditions include:
- the current quantity of the commodity is compared with a preset critical quantity value of the commodity, and when the current quantity is less than the preset critical quantity value, it is determined that the commodity is out of stock.
- At least one embodiment of the present disclosure provides a computer device including a memory, a processor, and a computer program stored on the memory and executable on the processor, wherein the processor executes the computer program To achieve the above-mentioned commodity detection method.
- At least one embodiment of the present disclosure provides a computer-readable medium on which a computer program is stored, wherein the computer program implements the above-mentioned commodity detection method when executed by a processor.
- At least one embodiment of the present disclosure provides an intelligent shelf system, including:
- An acquisition module configured to acquire images of a shelf
- the computing module includes a memory, a processor, and a computer program stored on the memory and executable on the processor, and the processor implements the foregoing commodity detection method when the processor executes the program.
- the shelf includes a background plate, a first baffle, and a second baffle; the background plate, the first baffle, and the second baffle have different colors, and the The first baffle and the second baffle divide the background plate into a plurality of partitions.
- FIG. 1 is a schematic structural diagram of an intelligent shelf known to the inventors
- FIG. 2 illustrates a schematic architecture diagram of a commodity detection system according to an embodiment of the present disclosure
- FIG. 3 is a schematic structural diagram of a commodity detection terminal according to an embodiment of the present disclosure.
- FIG. 4 is a schematic structural diagram of an image segmentation unit in a product detection terminal according to an embodiment of the present disclosure
- FIG. 5 is a schematic structural diagram of a commodity detection terminal according to another embodiment of the present disclosure.
- FIG. 6 shows a schematic diagram of an SSD algorithm grid according to an embodiment of the present disclosure
- FIG. 7 is a schematic flowchart of a commodity detection method according to an embodiment of the present disclosure.
- FIG. 8 is a schematic flowchart of a commodity detection method according to another embodiment of the present disclosure.
- FIG. 9 shows a schematic flowchart of S200 in FIG. 7;
- FIG. 10 shows a schematic flowchart of S000 in FIG. 8
- FIG. 11 is a flowchart of another step of S000 in FIG. 8; FIG.
- FIG. 12 is a schematic structural diagram of a commodity detection system according to an embodiment of the present disclosure.
- FIG. 13 shows a schematic structural diagram of the shelf shown in FIG. 12;
- FIG. 14 shows a schematic structural diagram of a computer device suitable for implementing a terminal device or a server according to at least one embodiment of the present disclosure.
- FIG. 1 shows a smart shelf known by the inventors.
- the smart shelf system includes a shelf 101 and a commodity 102 placed on the shelf 101.
- the shelf is equipped with an induction antenna and a radio frequency identification reader 103.
- Each layer of the shelf 101 is equipped with a display screen 104, and a radio frequency identification electronic tag is attached to the commodity 102.
- the RFID electronic tags on the goods 102 need to be scanned manually or automatically. When there are too many goods, it is easy to cause confusion.
- FIG. 2 illustrates a schematic diagram of a commodity detection system according to at least one embodiment of the present disclosure.
- the commodity detection system includes a commodity detection terminal 203 and a commodity shelf 201.
- the commodity detection system may further include a server 202 and the like.
- the commodity detection system further includes a camera and a wireless communication module that collect images of commodity shelves, and the camera collects and transmits images of the commodity shelves to the wireless communication module, and the wireless communication module transmits the images to Server.
- the server stores related comparison data and compares the received image with the stored comparison data to determine whether the product is in the wrong or out of stock state.
- the above devices can all perform data and signaling transmission and interaction through a communication network, and the communication network includes network node devices such as a network base station and a data exchange device.
- related modules having a storage function and a processing function may also be provided in a commodity detection terminal.
- the commodity detection terminal includes:
- the image segmentation unit 300 is configured to obtain position information of each grid of a shelf in a shelf image based on a first image, where the first image is an image when no product is placed on the shelf;
- the detection unit 301 is configured to obtain a current grid and a current quantity where each commodity is located based on a second image, where the second image is an image of a shelf on which the commodity is placed;
- the judging unit 302 compares the current grid and the current quantity of each commodity with the preset grid and the preset quantity of the commodity to determine whether the state of the commodity satisfies a preset condition.
- the current status includes whether the product is out of stock and whether the product is out of stock.
- the second image can be captured by a device with an image capture function, such as a camera, a camera, etc., where the device can be placed on a shelf, or directly opposite the shelf, or even in a room where the shelf is placed. Monitor the entire room and acquire shelf images on the other hand.
- an image capture function such as a camera, a camera, etc.
- the shelf may be a shelf with a physical grid structure, that is, a horizontal structure and a vertical plate separated into a grid structure, or a shelf having only a layered structure.
- the grid in this embodiment may be According to the characteristics of the shelf, it is a real separated grid, or it can be a virtual grid, which is defined by the product arrangement.
- the detection unit 301 can obtain the position and quantity information of all commodities after one detection, or obtain the position and quantity information of one commodity for each type of inspection, and then traverse all the commodities to obtain The positions and quantities of all the products, the embodiments of the present disclosure are not limited thereto.
- the determination unit 302 may compare a preset grid and a preset number of each commodity with a current grid and a current number of the commodity.
- the preset grid and preset number of each commodity can be stored in a database unit built into the terminal.
- the determining unit 302 includes:
- the missed goods judgment unit 3021 is configured to compare the current grid of the commodity with a preset grid of the commodity, and when the comparison result is inconsistent, determine that the commodity is in the wrong state; and / or,
- the out-of-stock determination unit 3022 is configured to compare the current quantity of the product with a critical quantity value of the product, and determine that the product is out of stock when the current quantity of the product is less than its corresponding critical quantity value.
- the product detection terminal determines the state of the product from the current product shelf image.
- the product detection terminal does not require additional sensors, radio frequency identification tags, etc., has low cost, simple operation, and low error rate.
- At least one embodiment of the present disclosure provides an image segmentation unit based on the principle of three primary colors.
- the image segmentation unit 300 includes:
- a feature extraction unit 3001 is configured to convert a first image into a grayscale image and obtain a feature image based on the grayscale image and the extracted color channel image, wherein the first image is an image when no product is placed on a shelf;
- An edge detection unit 3002 is configured to extract edge information according to the feature image and perform edge detection;
- the straight line extraction unit 3003 is configured to obtain a straight line based on the binary image obtained by edge detection, and use the extracted straight line as a division line of the first image.
- the color channel image includes a first color channel image, a second color channel image, and a third color channel image.
- the first color is red
- the second color is green
- the third color is blue.
- the color channel image represents the brightness value of the red pixel in the first image
- the second color channel image represents the brightness value of the green pixel in the first image
- the third color channel image represents the first The brightness value of blue pixels in an image.
- the feature extraction unit 3001 includes a calculation unit configured to calculate a differential absolute value image of a grayscale image and one of the color channel images, and calculate a gradient amplitude image of the differential absolute value image, where the shaved amplitude image is The feature image output by the feature extraction unit. Taking red as an example, the feature extraction unit extracts a red channel image, and the calculation unit calculates a differential absolute value image of the grayscale image and the red channel image. The width and height of the absolute difference value image are the same as the width of the grayscale image and the red channel image.
- the pixel value of each pixel point is the absolute value of the difference between the pixel value of the gray image at the pixel point and the pixel value of the red channel image at the pixel point .
- R is the red channel value of the pixel
- G is the green channel value of the pixel
- B is the blue channel value of the pixel
- Y is the gray value of the pixel.
- This embodiment is based on the principle of three primary colors, and performs image segmentation on the collected images to divide the shelves. Compared with the image segmentation method known by the inventors, it is beneficial to highlight the edge characteristics of color changes, and it is especially suitable for color images with obvious color differences, which improves the accuracy of image segmentation.
- the image segmentation unit according to the embodiment of the present disclosure can also be applied to the segmentation of any image separately, which should not be limited to the commodity detection described in the present disclosure.
- the image segmentation unit may be configured as an independent device, which may separately perform signal transmission with the server and / or the image acquisition module.
- the image segmentation unit can improve the segmentation accuracy of the color image.
- the image segmentation unit 400 may include at least one of the following units:
- the straight line clustering unit 4001 is configured to cluster straight line extraction results to obtain straight line detection results;
- a noise processing unit 4002 configured to perform a mean filtering process on the first image to remove image noise
- the distortion correction unit 4003 is configured to correct the first image by using a checkerboard calibration method.
- the commodity detection terminal further includes: a training unit 504 configured to establish a commodity detection model based on an SSD algorithm.
- the detection unit builds a commodity detection model including a commodity data set based on a deep learning convolutional neural network, thereby speeding up the detection speed.
- a convolutional neural network is a multilayer neural network that is good at processing machine learning related to images, especially large images.
- convolutional networks continuously reduce the dimensionality of image recognition problems with large amounts of data, and finally enable them to be trained.
- the SSD (Single Shot MultiBox Detector) algorithm is a known detection algorithm. It is well known in the art.
- the core of the SSD is to use a convolution kernel on the feature map to predict the class score and offset of a series of default bounding boxes.
- SSD is a method that borrows the ideas of YOLO (You Only Look Once) based on deep learning and Raster R-CNN at the same time. It has fast target detection speed and high target detection accuracy.
- a 3 ⁇ 1 convolution kernel is preset.
- the convolution kernel includes three small squares, and each square contains a corresponding Number or function relationship.
- a total of N convolution kernels can be formed.
- This process can be understood as we use a filter (convolution kernel) to filter small areas of the image, so as to obtain the feature values of these small areas.
- each convolution kernel represents an image mode. If an image block has a large convolution value with this convolution kernel, the image block is considered to be very Close to this convolution kernel.
- the image in this embodiment has 6 underlying texture modes, that is, an image can be drawn through 6 basic modes.
- the value of the convolution kernel is obtained during the learning process.
- the product detection model includes at least one corresponding convolution kernel, and other corresponding functions and relationships. This disclosure does not More details.
- At least one embodiment of the present disclosure provides a commodity detection method. As shown in FIG. 7, the commodity detection method includes:
- the image segmentation unit obtains position information of each grid of the shelf in the first image based on the first image, where the first image is an image when no product is placed on the shelf;
- the detection unit acquires a current grid and a current quantity where each product is located based on a second image, where the second image is an image when the product is placed on a shelf;
- the judging unit compares the current grid and current quantity where each commodity is located with the preset grid and preset quantity of the commodity to determine whether the state of the commodity satisfies a preset condition.
- the first image and the second image may be obtained by a device having an image capturing function, and details are not described herein again.
- the judging unit may compare the current grid and the current quantity of the commodity according to the preset grid and the preset quantity of the commodity stored in the commodity detection terminal.
- the preset grid and preset number may be the a priori information entered in the database unit in advance, or may be the information obtained by performing image analysis on the images collected when the goods are placed on the shelves for the first time.
- the commodity detection method further includes:
- the acquisition unit collects a third image
- the detection unit analyzes the third image to obtain a preset grid and a preset number of products, where the third image is an image of a shelf when the product is placed on the shelf according to a standard.
- the image segmentation unit can divide the area according to the characteristics of the shelf or merchandise placement, and locate the product in a certain area, thereby binding the position on the shelf with the type of the product.
- the judging unit compares the current grid and the current quantity where each commodity is located with the preset grid and the preset quantity of the commodity to judge the kind Whether the status of the product meets the preset conditions includes:
- the wrong goods judgment unit compares the current grid where the goods are located with the preset grid of the goods, and determines that the goods are in the wrong goods state when the comparison result is inconsistent; and / or,
- the out-of-stock determination unit compares the current quantity of the product with the preset critical quantity value of the product based on the preset critical quantity value of the product. When the current quantity of the product is less than the preset critical quantity value, it determines that the product is in short supply. Goods status.
- the state of a commodity is determined by a second image (an image of a shelf on which a commodity is placed), no additional sensors, radio frequency identification tags, etc. are needed, the cost is low, and the operation is simple, The error rate is low.
- At least one embodiment of the present disclosure provides an image segmentation method based on the principle of three primary colors. As shown in FIG. 10, based on a first image (that is, an image when no product is placed on a shelf), each grid of the shelf is obtained in The location information in an image includes:
- S010 Convert the first image into a grayscale image, extract a color channel image of the first image, and obtain a feature image based on the grayscale image and the color channel image;
- S020 Extract edge information based on the feature image and perform edge detection to obtain a binary image
- S030 Extract a straight line based on the binary image, and use the straight line as a dividing line of the first image.
- the first image is an image when no product is placed on the shelf.
- the color channel image includes: a first color channel image, a second color channel image, and a third color channel image.
- the step S010 includes:
- S011 Calculate a differential absolute value image of the grayscale image and a color channel image, calculate a gradient amplitude image of the differential absolute value image, and use the gradient amplitude image as a feature image.
- R is the red channel value of the pixel
- G is the green channel value of the pixel
- B is the blue channel value of the pixel
- Y is the gray value of the pixel.
- image segmentation is performed on the acquired images, thereby dividing the shelves. This method is helpful for highlighting the edge characteristics of color changes, and is suitable for color images with obvious color differences, which improves the accuracy of image segmentation.
- the image segmentation method according to the embodiment of the present disclosure is applicable to the segmentation of any image, and it should not be limited to the product detection according to the present disclosure.
- Product detection method or product detection system In some feasible embodiments, the image segmentation method can at least improve the accuracy of color image segmentation.
- the image segmentation method includes at least one of the following steps:
- straight-line clustering includes:
- step d Repeat step d, and sequentially compare all unmerged straight lines with straight line i in the straight line extraction result;
- Clustering the collected images with straight lines can improve the accuracy of image detection.
- Performing average filtering processing on the first image to remove image noise can be that the image segmentation method is adapted to an environment with weak lighting conditions and a lot of noise.
- the method further includes:
- S050 Establish a commodity detection model based on the SSD algorithm; wherein the commodity detection model is suitable for commodity detection.
- the SSD algorithm can adjust the learning rate, or it can cut the input image into multiple fixed sizes for training.
- At least one embodiment of the present disclosure provides an intelligent shelf system.
- the system includes: a shelf 121 configured to place items, for example, the items include but Not limited to commodities; acquisition module 122, which collects image information of shelves; and calculation module 123, which includes a memory 1231, a processor 1232, and a computer program stored on the memory 1231 and which can be run on the processor 1232.
- the processor is implemented when the program is executed The above commodity detection method.
- the shelf includes a background plate 131, a first baffle 132, and a second baffle 133; wherein the background plate 131 is white and the first baffle 132 is green The second baffle 133 is blue, and the first baffle 132 and the second baffle 133 divide the background plate 131 into a plurality of partitions 134.
- At least one embodiment of the present disclosure provides a computer device including a memory, a processor, and a computer program stored on the memory and executable on the processor.
- the processor executes the program, the product detection terminal is implemented as described above.
- FIG. 14 is a schematic structural diagram of a computer device suitable for implementing a commodity detection terminal or a commodity detection system according to an embodiment of the present disclosure.
- the computer device 1400 includes a central processing unit (CPU) 1401 configured to be loaded into a random access memory (RAM) 1403 according to a program stored in a read-only memory (ROM) 1402 or from a storage portion 1408. Program to execute processing. In the RAM 1403, programs and data required for the operation of the computer device 1400 are also stored.
- the CPU 1401, the ROM 1402, and the RAM 1403 are connected to each other through a bus 1404.
- An input / output (I / O) interface 1405 is also connected to the bus 1404.
- the computer device 1400 further includes: an input device 1406, such as a keyboard, a mouse, etc .; an output device 1407, such as a display device such as a cathode ray tube (CRT), a liquid crystal display (LCD), and a speaker; and a storage device 1408, such as a hard disk.
- a communication device 1409 such as a LAN card, a modem, and the like; a drive 1410; and a removable medium 1411 such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, and the like.
- the above devices are connected to the bus 1404 through an input / output (I / O) interface 1405.
- the communication device 1409 performs communication via, for example, the Internet.
- the removable medium 1411 is installed on the drive 1410 as needed, so that the computer program read out therefrom is installed as needed as the storage section 1408.
- the method described above with reference to the flowchart may be implemented as a computer software program.
- at least one embodiment of the present disclosure provides a computer program product including a computer program tangibly embodied on a machine-readable medium, the computer program including program code for performing a method shown in a flowchart.
- the computer program may be downloaded and installed from a network through a communication device 1409, and / or installed from a removable medium 1411.
- each block in the flowchart or block diagram may represent a module, a program segment, or a portion of code, which contains one or more of the logic required to implement the specified logic.
- Functional executable instructions may also be sent in a different order than those marked in the drawings. For example, two successively represented boxes may actually be executed substantially in parallel, and they may sometimes be executed in the reverse order, determined according to the functions involved.
- each block in the block diagrams and / or flowcharts, and combinations of blocks in the block diagrams and / or flowcharts can be implemented by a dedicated hardware-based system that performs the specified function or operation , Or it can be implemented with a combination of dedicated hardware and computer instructions.
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Abstract
Description
Claims (20)
- 一种商品检测终端,包括:图像分割单元,配置为基于第一图像获取货架的各栅格在所述货架图像中的位置信息,所述第一图像是货架未放置商品时的图像;检测单元,配置为基于第二图像获取每种商品所在的当前栅格和当前数量,所述第二图像是放置有商品的货架的当前图像;以及判断单元,配置为对所述每种商品所在的当前栅格和当前数量与该种商品的预设栅格和预设数量进行比对,以判断该种商品的状态是否满足预设条件。
- 根据权利要求1所述的商品检测终端,其中,所述图像分割单元包括:特征提取单元,配置为将第一图像转化为灰度图像,并基于灰度图像和提取的颜色通道图像,得到特征图像;边缘检测单元,配置为根据所述特征图像提取边缘信息,并进行边缘检测以获得二值图像;直线提取单元,配置为根据所述二值图像提取直线,并将所述直线作为第一图像的分割线。
- 根据权利要求2所述的商品检测终端,其中,所述颜色通道图像包括:第一颜色通道图像、第二颜色通道图像以及第三颜色通道图像;所述特征提取单元包括计算单元,所述计算单元配置为获取所述灰度图像和其中一个颜色通道图像的差分绝对值图像,并获得所述差分绝对值图像的梯度幅值图像,其中,将所述剃度幅值图像设置为所述特征图像。
- 根据权利要求3所述的商品检测终端,其中,所述灰度图像被配置为通过计算第一图像中每个像素的有效亮度值获得,所述有效亮度值的公式为:Y=0.3R+0.59G+0.11B,其中,Y表示该像素的灰度值,R表示该像素的第一颜色通道值,G表示该像素的第二颜色通道值,B表示该像素的第三颜色通道值。
- 根据权利要求3所述的商品检测终端,其中,第一颜色为红色,第二颜色为绿色,第三颜色为蓝色;所述特征提取单元提取红色通道图像,所述计算单元计算获得所述灰度图像和红色颜色通道图像的差分绝对值图像,并获得所述差分绝对值图像的梯度幅值图像。
- 根据权利要求2-5中任一项所述的商品检测终端,其中,所述图像分割单元包括下述单元的至少之一:直线聚类单元,配置为对所述直线进行聚类,获取直线检测结果;噪声处理单元,配置为对所述第一图像进行均值滤波处理,去除图像噪声;以及畸变校正单元,配置为采用棋盘格标定法对第一图像进行图像校正。
- 根据权利要求1所述的商品检测终端,其还包括训练单元,基于SSD算法,建立商品检测模型;其中,所述检测单元通过所述商品检测模型进行商品检测。
- 根据权利要求1所述终端,其中,所述判断单元包括:错货判断单元,配置为对所述商品的所在的当前栅格与商品的预设所在栅格进行比对,当比对结果为不一致时,确定商品为错货状态;和/或,缺货判断单元,配置为将商品的当前数量与该商品的预设临界数量值进行比对,当商品的当前数量小于该商品的预设临界数量值时,确定商品为缺货状态。
- 一种商品检测方法,包括:基于第一图像,获取货架的各栅格在所述第一图像中的位置信息,其中,所述第一图像是所述货架未放置商品时的图像;基于第二图像,获取每种商品所在的当前栅格和当前数量,其中,第二图像是放置有商品的货架的当前图像;将所述每种商品所在的当前栅格和当前数量与该种商品的预设栅格和预设临界数量值进行比对以判断该种商品的状态是否满足预设条件。
- 根据权利要求9所述的商品检测方法,其中,基于第一图像获取货架的各栅格在所述第一图像中的位置信息包括:将所述第一图像转化为灰度图像,并基于灰度图像和提取的颜色通道图像,得到特征图像;根据所述特征图像,进行边缘检测以提取边缘信息,获得二值图像;以及基于所述二值图像提取直线,将所述直线作为所述第一图像的分割线。
- 根据权利要求10所述的商品检测方法,其中,所述颜色通道图像包括:第一颜色通道图像、第二颜色通道图像以及第三颜色通道图像;将所述第一图像转化为灰度图像,并基于灰度图像和提取的颜色通道图像,得到特征图像包括:获得所述灰度图像和其中一个颜色通道图像的差分绝对值图像,并获取该差分绝对值图像的梯度幅值图像,将该剃度幅值图像设置为所述特征图像。
- 根据权利要求10所述的商品检测方法,其中,第一颜色为红色,第二颜色为绿色,第三颜色为蓝色,基于灰度图像和提取的颜色通道图像,得到特征图像包括:红色通道图像,获得所述灰度图像和红色颜色通道图像的差分绝对值图像,并获取该差分绝对值图像的梯度幅值图像,将该剃度幅值图像设置为所述特征图像。
- 根据权利要求10所述的商品检测方法,其中,所述灰度图像通过计算第一图像中每个像素的有效亮度值获得,所述有效亮度值的公式为:Y=0.3R+0.59G+0.11B,其中,Y表示该像素的灰度值,R表示该像素的第一颜色通道值,G表示该像素的第二颜色通道值,B表示该像素的第三颜色通道值。
- 根据权利要求10-13任一项所述的商品检测方法,其中,基于第一图像,获取货架的各栅格在所述第一图像中的位置信息进一步包括下述步骤的至少之一:对所述直线进行聚类,获取直线检测结果;对第一图像进行均值滤波处理,去除图像噪声;以及采用棋盘格标定法对第一图像进行图像校正。
- 根据权利要求9所述的商品检测方法,进一步包括基于SSD算法,建立商品检测模型,所述商品检测模型适于进行商品检测。
- 根据权利要求9-15中任何一项所述的商品检测方法,其中,将所述每种商品所在的当前栅格和当前数量与该种商品的预设栅格和预设临界数量值进行比对以判断该种商品的状态是否满足预设条件包括:对所述商品的所在的当前栅格与商品的预设栅格进行比对,当比对结果为不一致时,确定所述商品为错货状态;和/或,对所述商品的当前数量与所述商品的预设临界数量值进行比对,当所述当前数量小于所述预设临界数量值,确定所述商品为缺货状态。
- 一种计算机设备,包括存储器、处理器以及存储在所述存储器上并可在所述处理器上运行的计算机程序,其中,所述处理器执行所述计算机程序时实现如权利要求9-16任一项所述的商品检测方法。
- 一种计算机可读介质,其上存储有计算机程序,其中,所述计算机程序被处理器执行时实现如权利要求9-16中任一项所述的商品检测方法。
- 一种智能货架系统,包括:货架,配置为放置物品;采集模块,配置为采集货架的图像;以及计算模块,包括存储器、处理器以及存储在存储器上并可在处理器上运行的计算机程序,所述处理器执行所述程序时实现如权利要求9-16任一项所 述方法。
- 根据权利要求19所述的智能货架系统,其中,所述货架包括背景板、第一挡板和第二挡板;其中,所述背景板、所述第一挡板以及所述第二挡板颜色不同,并且所述第一挡板和所述第二挡板将所述背景板分割为多个分区。
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