TW201818309A - Logistics goods identification image processing system, apparatus and method - Google Patents

Abstract

A logistics goods identification image processing system, apparatus and method are provided. The system comprises a conveyor, a rotary belt, a plurality of photography modules, at least one image synthesis module and at least one image recognition module. The conveyor sequentially conveys a plurality of goods having goods identification toward a conveying direction. The photography modules are disposed at the rotary belt. The rotary belt is above the conveyor and the goods identification of the goods, and sequentially rotates the photography modules based on the conveying direction of the goods, and then the photography modules capture a plurality of images of the goods identification of the goods in succession. The image synthesis module synthesizes the images as at least one synthetic image, and the image recognition module recognizes the goods identification of the goods from the synthetic image.

Description

   Image processing system, device and method for logistics goods identification   

The present invention relates to an image processing system, device, and method for the identification of logistics goods, and more particularly to a rotary image processing system, device, and method for the identification of logistics goods.

In the conventional image processing system for logistics goods identification, conventionally, a plurality of goods with the goods identification are conveyed through a conveyor belt, and a fixed photography rack is set above the conveyor belt to capture the conveyor belt through the camera. Plural images of the product identification of these products.

However, because the camera is generally fixed on a fixed frame or ceiling, and the goods on the conveyor belt are continuously moved forward, the camera does not move with the movement of the goods, making the camera The relative movement speed with the goods is so large that the camera can easily capture the blurred images of the goods identification of the goods, but it is not easy to quickly obtain the clear images of the goods identification of the goods.

In addition, in the logistics technology of image processing of logistics goods identification, the goods identification includes a one-dimensional barcode on the goods, the name of the sender and the recipient, the telephone number, the postal code, the address, and various texts. , Symbols, or patterns, and the one-dimensional bar code often has duplicate content that is difficult to identify correctly.

Therefore, how to overcome the shortcomings of the above-mentioned conventional technology of the logistics product identification image processing system has become a major issue for those skilled in the art.

An object of the present invention is to provide a logistics product identification image processing system, device, and method. A plurality of photographic modules on a revolving belt can be moved with the movement of the plurality of goods on a conveyor belt, so that the photographic modules and the The relative movement speed between the goods is relatively small, or the speeds of the photographic modules and the goods are synchronized, so that the photographic modules can more easily and quickly capture clear images of the goods identification of the goods, thereby improving Image processing speed and performance of these products.

The invention provides a logistics goods identification image processing system, including: a conveyor belt, which sequentially conveys a plurality of goods with a goods identifier toward a conveying direction; a revolving belt, which is located above the conveyor belt and the goods identifiers of the goods; a plurality of goods; The photographic modules are respectively arranged on the revolving belt, and the photographic modules are sequentially rotated by the revolving belt according to the conveying direction of the goods, and the photographic modules successively capture the A plurality of images of the product identifications of the products; at least one image synthesis module, which synthesizes the images of the product identifications captured by the photography modules into at least one composite image; and at least one image identification module, The identification of the goods is identified from the synthesized image synthesized by the image synthesis module.

The present invention also provides an image processing device for logistics goods identification, including: a plurality of photographic modules respectively arranged on a revolving belt, and the photographic modules are sequentially rotated by the revolving belt according to the transport direction of the plurality of goods, and The photographic modules successively capture a plurality of images of the product identifiers of the goods; at least one image synthesis module is to synthesize the images of the product identifiers captured by the photographic modules into at least one synthetic image; And at least one image recognition module is a product identification that identifies the goods from the composite image synthesized by the image synthesis module.

The invention further provides a method for processing image identification of logistics goods, including: sequentially transferring a plurality of goods with a goods identification from a conveyor belt in a conveying direction; and sequentially rotating a plurality of photographic modules according to the conveying direction of the goods by a revolving belt. And successively capturing plural images of the product identifications of the goods on the conveyor belt by the photographing modules; synthesizing the images of the product identifications captured by the photographing modules into at least one synthetic image; And identification of the goods from the composite image.

It can be known from the above that in the logistics goods identification image processing system and method of the present invention, multiple photographic modules on the revolving belt can be used to relatively move with the movement of multiple goods on the conveyor belt, so that the photographic module and the The relative movement speed between the goods is small, or the speed of the camera module and the goods are synchronized, so that the camera module can easily and quickly capture clear images of the goods identifiers of the goods. And the use of auxiliary identification facilitates the image synthesis module to simply, quickly and correctly synthesize the composite image of the shipment label based on the auxiliary identification, so that the image recognition module can quickly identify the identification of the shipment, thereby improving the sorting speed of the goods. .

In order to make the above features and advantages of the present invention more comprehensible, embodiments are described below in detail with reference to the accompanying drawings. Additional features and advantages of the present invention will be partially explained in the following description, and these features and advantages will be partially obvious from the description, or may be learned through practice of the present invention. The features and advantages of the invention are realized and achieved by means of elements and combinations specifically pointed out in the scope of the patent application. It should be understood that both the foregoing general description and the following detailed description are merely exemplary and explanatory and are not intended to limit the scope of the invention as claimed.

1‧‧‧Logistics Product Image Processing System

10‧‧‧Logistics product image processing device

11‧‧‧ conveyor belt

111‧‧‧ auxiliary sign

112‧‧‧ Features

12‧‧‧ Goods

121‧‧‧ Goods Identification

13‧‧‧ turning belt

14‧‧‧Photographic Module

140‧‧‧ Shooting range

141‧‧‧Lens

142‧‧‧Processing unit

143‧‧‧Wireless transmission unit

15‧‧‧Image Synthesis Module

16‧‧‧Image recognition module

17‧‧‧Control Module

18‧‧‧ the first roller

19‧‧‧Second Roller

20‧‧‧ Power Belt

A, B‧‧‧ non-repeating parts

B1‧‧‧ Duplicate

D1‧‧‧ Conveying direction

D2‧‧‧turning direction

M1‧‧‧First image

M2‧‧‧Second image

N‧‧‧Composite image

P‧‧‧Location

Q‧‧‧ Junction

Steps S31 to S34

FIG. 1 is a block diagram of a logistics goods identification image processing system according to the present invention, in which a conveyor belt, goods, turning belts and rollers are side views; FIG. 2 is a logistics goods identification image in FIG. 1 of the present invention. Block diagram of the processing device; Fig. 3 is an enlarged schematic diagram showing a part of the conveyor belt and the photographic module in the first diagram of the present invention, wherein the conveyor belt and the product identification are top views; Figs. 4A to 4C are drawings. The present invention synthesizes a plurality of product identification images captured by the plurality of photographic modules of FIG. 3 into a composite image; FIGS. 5A to 5B are diagrams showing the differences of the auxiliary identifications having plural features in the third image of the present invention. A schematic diagram of the aspect; and FIG. 6 is a flowchart illustrating a method for processing an image of a logistics product identification in the present invention.

The following describes the embodiments of the present invention with specific specific implementation forms. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this description, and can also be implemented by other different specific implementation forms. Or apply.

FIG. 1 is a schematic block diagram of a logistics goods identification image processing system 1 according to the present invention, wherein the conveyor belt 11, the goods 12, the revolving belt 13, the first roller 18 and the second roller 19 are side views. FIG. 2 is a schematic block diagram of the image processing device 10 for identifying a logistics product in FIG. 1 of the present invention. FIG. 3 is an enlarged schematic diagram showing a part of the conveyor belt 11 and the photographing module 14 in the first diagram of the present invention, where the conveyor belt 11 and the goods 12 are top views. FIGS. 4A to 4C are schematic diagrams illustrating the present invention synthesizing the plurality of product identification images captured by the plurality of photographing modules 14 in FIG. 3 into at least one composite image N.

As shown in FIGS. 1 to 3, the logistics product identification image processing system 1 includes a logistics product identification image processing device 10, a conveyor belt 11, and a revolving belt 13, and the logistics product identification image processing device 10 includes The plurality of photographing modules 14, at least one image synthesizing module 15 and at least one image recognition module 16.

The conveying belt 11 sequentially conveys a plurality of goods 12 having a goods identification 121 toward a conveying direction D1. The conveying direction D1 may be a left-to-right direction, but in other embodiments, it may also be a right-to-left direction or other conveying directions. The product identification 121 of the product 12 may be a one-dimensional bar code or a two-dimensional bar code (such as a QR code), the name of the sender and the recipient, a telephone number, a postal code, an address, various characters, symbols, or patterns .

The revolving belt 13 is located above the product identification 121 of the conveyor belt 11 and the products 12. The photographic modules 14 are respectively or sequentially disposed on the revolving belt 13, and the photographic modules 14 are rotated by the revolving belt 13 according to the conveying direction D1 and a revolving direction D2 of the goods 12, and The photographic modules 14 successively capture multiple images of the product identification 121 of the goods 12 on the conveyor belt 11 according to its shooting range 140, such as the first image M1 in FIG. 4A, the second image M2 in FIG. 4B, and Its subsequent images. The rotation direction D2 may be a counterclockwise direction, but may be a clockwise direction in other embodiments. The photographing modules 14 may be cameras or photographic equipment, and the number of the photographing modules 14 may be two or more (such as two, three, or four or more), for example, eight in this embodiment.

The image synthesizing module 15 synthesizes the images of the product identification 121 of the goods 12 captured by the photographing modules 14 into a composite image N or a plurality of different (series) composite images N. For example, the image synthesizing module 15 may synthesize the first image M1 in FIG. 4A and the second image M2 in FIG. 4B into a synthesized image N in FIG. 4C. The image synthesizing module 15 may be an image synthesizing processor or image synthesizing software, and the number may be one or more (such as two or three or more).

The image recognition module 16 recognizes the product identifiers 121 of the products 12 from the composite image N synthesized by the image synthesis module 15. After that, subsequent operations such as picking, collecting, or warehouse management may be performed on the goods 12 according to the goods identifiers 121 in the composite image N. The image recognition module 16 may be an image recognition processor or image recognition software, and the number may be one or more (such as two or three or more).

In addition, the conveyor belt 11 may include an auxiliary logo 111 having a plurality of features 112, and the photographic modules 14 may shoot the product logo 121 of the goods 12 and the features 112 of the auxiliary logo 111 into the images. For example, the first image M1 in FIG. 4A, the second image M2 in FIG. 4B, and other subsequent images are provided for the image synthesis module 15 to synthesize the images into the synthesized image N.

In detail, the image synthesis module 15 can find non-repeating parts of the images based on the features 112 of the auxiliary identification 111, and stitch (or stitch) the non-repeating parts of the images into the Composite image N. For example, the image synthesis module 15 may correspond to the position point P of the auxiliary mark 111 in the first image M1 in FIG. 4A to the position point P of the auxiliary mark 111 in the second image M2 in FIG. 4B, and then find A boundary Q between the repeated portion B1 and the non-repeated portion B of the second image M2 is obtained to divide the repeated portion B1 and the non-repeated portion B. The image synthesis module 15 can delete the repeated part B1 of the second image M2, and then stitch the non-repeated part B of the second image M2 to the position point P of the first image M1 (non-repeated part A). On the right side, the composite image N of FIG. 4C is spliced.

The features 112 of the auxiliary logo 111 may be composed of plural steps, lines, dots, characters, numbers, symbols, patterns, or any combination thereof, but are not limited thereto. For example, in FIG. 3, the features 112 of the auxiliary mark 111 may be composed of a plurality of step portions having different heights and positions.

As shown in FIG. 1 and FIG. 2, each of the camera modules 14 has a lens 141, a processing unit 142, and a wireless transmission unit 143. The lenses 141 can capture the product identifier 121 of the goods 12. Images, such as the first image M1 in FIG. 4A, the second image M2 in FIG. 4B, and other subsequent images, so that the images are imaged by the processing units 142, and the wireless transmission units 143 will pass the The imaged images are transmitted to the image synthesis module 15. The processing unit 142 may be a processor or processing software, and the wireless transmission unit 143 may be a wireless transmitter or wireless transmission software.

As shown in FIG. 1, the logistics product identification image processing system 1 may include at least one control module 17 that can control the speed of at least one of the conveyor belt 11 and the revolving belt 13 and reduce The relative speed of the conveyor belt 11 and the revolving belt 13 or the speed of the conveyor belt 11 and the revolving belt 13 is synchronized (that is, the conveyor belt 11 and the revolving belt 13 are at the same speed or the relative speed is zero). The control module 17 may be a controller or control software.

The logistics goods identification image processing system 1 may include a first roller 18 and a second roller 19, and the first roller 18 may drive the conveyor belt 11 to sequentially convey the goods 12 toward the conveying direction D1, and the first goods roller 12 The two rollers 19 drive the revolving belt 13 to sequentially rotate the photographing modules 14 according to the conveying direction D1 and the rotating direction D2. The control module 17 can control the speed of at least one of the first roller 18 and the second roller 19, and then control the speed of at least one of the conveyor belt 11 and the revolving belt 13.

The logistics product identification image processing system 1 may include a power belt 20, which is respectively disposed on the first roller 18 and the second roller 19, so as to simultaneously drive the first roller 18 and the first roller 18 through the power belt 20. The second roller 19 synchronizes the speed of both the conveyor belt 11 and the revolving belt 13. The power belt 20 may be a belt or a chain.

5A to 5B are schematic diagrams showing different aspects of the auxiliary sign 111 having a plurality of features 112 in the third figure of the present invention. In FIG. 5A, the features 112 of the auxiliary mark 111 may be formed by a plurality of dots having different heights and positions. In FIG. 5B, the features 112 of the auxiliary sign 111 may be formed by plural English letters with different uppercase and lowercase letters.

FIG. 6 is a flowchart illustrating a method for processing an image of logistics goods identification in the present invention. Please refer to FIGS. 1 to 5B above. At the same time, the technical content of the image processing method of the logistics product identification is roughly the same as the detailed description of the above Figures 1 to 5B. Therefore, the following describes the simple steps of the image processing method of the logistics product identification, but the same technical content is not repeated.

As shown in step S31 in FIG. 6, a plurality of goods 12 having a goods identification 121 are sequentially conveyed by a conveyor belt 11 in a conveying direction D1.

As shown in step S32 of FIG. 6, a plurality of photographic modules 14 are sequentially rotated by a revolving belt 13 according to the conveying direction D1 of the goods 12, and the photographing modules 14 are successively captured on the conveyor belt 11. The plurality of images of the product identification 121 of these products 12 are, for example, the first image M1 in FIG. 4A, the second image M2 in FIG. 4B, and other subsequent images.

As shown in step S33 in FIG. 6, the at least one image synthesizing module 15 synthesizes the images of the product identifiers 121 captured by the photographing modules 14 into a composite image N or a plurality of different (a series of ) Composite image N.

In this embodiment, the conveyor belt 11 may include an auxiliary logo 111 having a plurality of features 112, and the photographic modules 14 photograph the product logo 121 of the products 12 and the features 112 of the auxiliary logo 111. The images. At the same time, the image synthesizing module 15 can find the non-repeating parts and the repetitive parts of the images according to the features 112 of the auxiliary identification 111, and sequentially stitch the non-repeating parts of the images into the composite image N. . The features 112 of the auxiliary logo 111 may be composed of plural steps, lines, dots, characters, numbers, symbols, patterns, or any combination thereof.

As shown in step S34 in FIG. 6, the at least one image recognition module 16 identifies the product identifiers 121 of the products 12 from the composite image N.

In addition, each of the photographing modules 14 may have a lens 141, a processing unit 142, and a wireless transmission unit 143. The lenses 141 may capture images (such as the first image M1 and the first image M1) of the goods 12 of the goods 12. Two images M2), so that the images are imaged through the processing units 142, and the wireless transmission units 143 transmit the imaged images to the image synthesis module 15.

The logistics goods identification image processing method may include controlling the speed of at least one of the conveyor belt 11 and the revolving belt 13 and reducing the relative speed of both the conveyor belt 11 and the revolving belt 13 or synchronizing the conveyor belt 11 And the speed of the revolving belt 13.

The logistics goods identification image processing method may include a first roller 18 driving the conveyor belt 11 to sequentially transport the goods 12 toward the conveying direction D1, and a second roller 19 according to the conveying direction D1 and the turning direction D2. The rotating belt 13 is driven to rotate the photographing modules 14 in sequence.

As can be seen from the above, in the logistics goods identification image processing system and method of the present invention, a revolving belt and a plurality of photographic modules are provided above a conveyor belt and the goods identification of a plurality of goods, and the revolving belt is based on the The conveying direction sequentially rotates the photographic modules, and the photographic modules successively capture a plurality of images of the product identifiers of the goods on the conveyor belt. Therefore, the photographic modules on the revolving belt can move with the movement of the goods on the conveyor belt, so that the relative movement speed between the photographic modules and the goods is relatively small, or the The synchronization of the photographic module with the speed of the goods makes it easier and faster for the photographic modules to capture clear images of the goods identification of the goods.

At the same time, the conveyor belt may include an auxiliary mark with a plurality of features, and the features of the auxiliary mark are simpler than the complex goods mark of the goods, and easier to correctly identify than the one-dimensional bar code of the goods, which is advantageous It is simpler, faster and more accurate to synthesize synthetic images of the goods based on the features of the auxiliary identification in the image synthesis module, and it is helpful for the image recognition module to identify the goods from the synthetic image more quickly. Product identification to further improve the image processing speed and efficiency of these products.

The above-mentioned embodiments merely exemplify the principles, features, and effects of the present invention, and are not intended to limit the implementable scope of the present invention. Anyone who is familiar with this technology can perform the above operations without departing from the spirit and scope of the present invention Modifications and changes to the implementation form. Any equivalent changes and modifications made by using the content disclosed in the present invention should still be covered by the scope of patent application described below. Therefore, the scope of protection of the rights of the present invention should be as listed in the scope of patent application.

Claims (18)

    An image processing system for logistics goods identification, including: a conveyor belt for sequentially conveying a plurality of goods with a goods identification toward a conveying direction; a revolving belt located above the conveyor belt and the goods identification for the goods; a plurality of photographic modules Are respectively set on the revolving belt, and the photographic modules are sequentially rotated by the revolving belt according to the conveying direction of the goods, and the photographic modules successively capture the goods on the conveyor. A plurality of images of the product identification; at least one image synthesis module that synthesizes the images of the product identifications captured by the photographic modules into at least one synthetic image; and at least one image identification module that is derived from the The identification of the goods is identified in the synthesized image synthesized by the image synthesis module.         According to the logistics product identification image processing system described in item 1 of the scope of patent application, wherein the conveyor belt includes an auxiliary identification with a plurality of characteristics, and the photographic modules convert the product identification of the goods and the auxiliary identification. The features are captured into the images.         According to the logistics product identification image processing system described in item 2 of the patent application scope, wherein the image synthesis module finds non-repeating parts of the images based on the characteristics of the auxiliary identification, and divides the non-repeating parts of the images. Repeated parts are sequentially stitched into the composite image.         The logistics goods identification image processing system as described in item 2 of the scope of patent application, wherein the features of the auxiliary identification are composed of plural steps, lines, dots, characters, numbers, symbols, patterns, or any combination thereof.         According to the logistics product identification image processing system described in item 1 of the scope of patent application, wherein each of the camera modules has a lens, a processing unit, and a wireless transmission unit, and the lenses are used to retrieve the product identification of the goods. The images so that the images are respectively imaged by the processing unit, and the wirelessly transmitted units respectively transmit the imaged images to the image synthesis module.         The image processing system for logistics goods identification as described in item 1 of the patent application scope further includes at least one control module for controlling the speed of at least one of the conveyor belt and the revolving belt, and reducing the conveyor belt and the The relative speed of the two belts, or the speed of both the conveyor belt and the belt.         The logistics product identification image processing system described in item 1 of the scope of the patent application, further includes a first roller and a second roller. The first roller drives the conveyor belt to sequentially convey the goods in the conveying direction, and The second roller drives the revolving belt to sequentially rotate the photographic modules according to the conveying direction.         The logistics product identification image processing system described in item 7 of the scope of patent application, further includes a power belt, which is respectively set on the first roller and the second roller to drive the first roller through the power belt at the same time. The speed of both the conveyor belt and the revolving belt is synchronized with the second roller.         An image processing device for logistics goods identification includes a plurality of photographic modules, which are respectively arranged on a revolving belt, and the photographic modules are sequentially rotated by the revolving belt according to the conveying direction of the plurality of goods, and the photographic modules are The group successively captures multiple images of the product identifiers of the goods; at least one image synthesis module is to synthesize the images of the product identifiers captured by the photographic modules into at least one synthetic image; and at least one image The identification module is an identification of the goods identified from the synthesized images synthesized by the image synthesis module.         For example, the image processing device for logistics product identification described in item 9 of the scope of patent application, wherein each of the camera modules has a lens, a processing unit, and a wireless transmission unit, and the lenses are used to retrieve the product identification of the goods. The images, so that the images are imaged by the processing units, and the wireless transmission units transmit the imaged images to the image synthesis module.         The logistics product identification image processing device according to item 9 of the scope of patent application, wherein the image synthesis module finds out the non-repeating parts of the images, and sequentially stitches the non-repeating parts of the images into the Composite image.         A method for processing image identification of logistics goods includes: sequentially transferring a plurality of goods with a goods identification from a conveyor belt to a conveying direction; sequentially rotating a plurality of photographic modules according to the conveying direction of the goods by a revolving belt, and The photographic modules successively capture multiple images of the product identifications of the goods on the conveyor belt; synthesize the images of the product identifications captured by the photographic modules into at least one synthetic image; and from the synthesis The product identification of the goods is identified in the image.         According to the image processing method of logistics product identification described in item 12 of the scope of application for patent, wherein the conveyor belt includes an auxiliary identification with a plurality of characteristics, and the photographic modules convert the product identification of the goods and the auxiliary identification. The features are captured into the images.         According to the method for processing the logistics product identification image described in the scope of the patent application, the method further includes finding the non-repeating parts of the images with the product identification according to the characteristics of the auxiliary identification, and dividing the non-repeating parts of the images. Sequentially stitching into the composite image.         According to the image processing method of logistics product identification described in item 13 of the scope of patent application, wherein the features of the auxiliary identification are composed of plural steps, lines, dots, characters, numbers, symbols, patterns, or any combination thereof.         According to the method for processing the logistics product identification image described in item 12 of the scope of patent application, wherein each of the photography modules has a lens, a processing unit, and a wireless transmission unit, and the lenses are used to retrieve the product identification of the goods The images, so that the images are imaged by the processing units, and the wireless transmission units transmit the imaged images to the image synthesis module.         The image processing method for logistics product identification as described in item 12 of the scope of patent application, further comprising controlling the speed of at least one of the conveyor belt and the revolving belt, and reducing the relative speed of the conveyor belt and the revolving belt, Or synchronize the speed of both the conveyor and the revolving belt.         According to the image processing method of logistics product identification described in item 12 of the scope of patent application, the method further includes a first roller driving the conveyor belt to sequentially convey the goods toward the conveying direction, and a second roller driving the goods according to the conveying direction. The rotating belt sequentially rotates the photographic modules.