TWI607393B - Logistics goods identification image processing system, apparatus and method - Google Patents

Description

Logistics product identification image processing system, device and method

The invention relates to a logistics product identification image processing system, device and method, in particular to a rotary logistics product identification image processing system, device and method.

In the conventional logistics product image processing system of the prior art, a plurality of goods having a product identification are usually conveyed through a conveyor belt, and a fixed photographic frame is disposed above the conveyor belt to capture the conveyor belt through the camera. A plurality of images of the goods identification of the goods.

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

Furthermore, in the logistics product image processing system of the prior art, the item identification includes a one-dimensional bar code on the goods, a name of the sender and the recipient, a telephone number, a postal code number, an address, and various characters. Symbol or Complex information such as patterns, and the one-dimensional bar code often has some content that is repeated and is not easily recognized.

Therefore, how to overcome the shortcomings of the above-mentioned prior art logistics product identification image processing system has become one of the major problems of those skilled in the art.

The object of the present invention is to provide a logistics product identification image processing system, apparatus and method, wherein a plurality of photographic modules on a slewing belt can move with the movement of a plurality of goods on the conveyor belt, so that the photographic modules and the photographic modules The relative movement speed between the goods is small, or the photographic modules are synchronized with the speed of the goods, so that the photographic modules can more easily and quickly capture clear images of the goods identification of the goods, thereby enhancing Image processing speed and performance of these products.

The invention provides a logistics article identification image processing system, comprising: a conveyor belt, which sequentially transports a plurality of goods having a product identification in a conveying direction; a revolving belt is located above the conveyor belt and the goods identification of the goods; The photographic module is respectively disposed on the slewing belt, wherein the photographic belt is sequentially rotated by the slewing belt according to the conveying direction of the goods, and the photographic module successively captures the photographic belt. a plurality of images of the goods identified by the plurality of products; at least one image synthesizing module that synthesizes the images of the goods identified by the camera modules into at least one composite image; and at least one image recognition module, Identifying the item identification of the goods from the composite image synthesized by the image synthesis module.

The invention also provides a logistics article identification image processing device, comprising: a plurality of photographic modules respectively disposed on a slewing belt for the slewing The photographic module is sequentially rotated according to the conveying direction of the plurality of products, and the plurality of images of the goods identification of the goods are successively taken by the photographic modules; at least one image compositing module is used for the photographic modules And capturing, by the captured image, the at least one synthetic image; and the at least one image recognition module identifying the product identification of the goods from the composite image synthesized by the image synthesis module.

The invention further provides a method for processing image identification of a logistics product, comprising: sequentially conveying a plurality of goods having a product identification by a conveyor belt toward a conveying direction; and rotating a plurality of photography modules according to the conveying direction of the goods by a rotating belt. And the plurality of images of the goods identifications of the goods on the conveyor belt are successively captured by the plurality of photographic modules; and the images of the goods identifications captured by the photographic modules are combined into at least one composite image; And identifying the item identification of the goods from the synthetic image.

It can be seen from the above that in the logistics article identification image processing system and the method thereof, the plurality of camera modules on the slewing belt can be relatively moved with the movement of a plurality of articles on the conveyor belt, so that the photographic module and the photographic module The relative movement speed between the goods is small, or the camera module is synchronized with the speed of the goods, so that the camera module can easily and quickly capture a clear image of the goods identification of the goods. And the auxiliary identification is used to facilitate the image synthesis module to synthesize the composite image of the shipment label according to the auxiliary identification simply, quickly and correctly, so that the image recognition module can quickly identify the shipment identification, thereby improving the sorting speed of the product. .

The above described features and advantages of the invention will be apparent from the description and appended claims. In the following description The additional features and advantages of the present invention are set forth in part in the description of the invention. The features and advantages of the present invention are realized and attained by the <RTIgt; It is to be understood that both the foregoing general description

1‧‧‧Logistics Identification Image Processing System

10‧‧‧Logistics identification image processing device

11‧‧‧Conveyor belt

111‧‧‧Auxiliary logo

112‧‧‧Characteristics

12‧‧‧ Goods

121‧‧‧Product identification

13‧‧‧Revolving belt

14‧‧‧Photography 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‧‧‧First wheel

19‧‧‧Second wheel

20‧‧‧Power belt

A, B‧‧‧ non-repeating parts

B1‧‧‧Repeating part

D1‧‧‧ conveying direction

D2‧‧‧ turning direction

M1‧‧‧ first image

M2‧‧‧ second image

N‧‧·synthetic image

P‧‧‧Location

Q‧‧‧ Junction

S31 to S34‧‧‧ steps

1 is a block diagram showing the image processing system for a logistics product identification in the present invention, wherein the conveyor belt, the goods, the slewing belt and the roller are side views; and the second drawing shows the image of the logistics product identification in the first drawing of the present invention. FIG. 3 is a schematic enlarged view of a portion of the conveyor belt and the photographic module of the first embodiment of the present invention, wherein the conveyor belt and the product identification are top views; and FIGS. 4A to 4C are diagrams The present invention combines the plurality of product identification images captured by the plurality of photographic modules of FIG. 3 into a composite image; and FIGS. 5A to 5B illustrate the difference of the auxiliary identifications having the plural features in the third embodiment of the present invention. The schematic diagram of the aspect; and the sixth figure is a flow chart showing the image processing method of the logistics product identification in the present invention.

The embodiments of the present invention are described below by way of specific embodiments, and those skilled in the art can easily Other advantages and effects of the present invention will be realized or applied by other different embodiments.

1 is a block diagram showing a logistics article identification image processing system 1 of the present invention, wherein the conveyor belt 11, the article 12, the revolving belt 13, the first roller 18 and the second roller 19 are side views. Fig. 2 is a block diagram showing the image processing apparatus 10 for the logistics article identification in the first embodiment of the present invention. Fig. 3 is an enlarged schematic view showing a portion of the conveyor belt 11 and the photographing module 14 in the first embodiment of the present invention, wherein the conveyor belt 11 and the article 12 are in plan view. 4A to 4C are schematic diagrams showing the composite image identification image captured by the plurality of photographic modules 14 of FIG. 3 as at least one composite image N.

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

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

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

The image synthesizing module 15 combines the images of the product identifiers 121 of the goods 12 captured by the camera modules 14 into one composite image N or a plurality of different (serial) composite images N. For example, the image synthesizing module 15 can synthesize the first image M1 of FIG. 4A and the second image M2 of FIG. 4B into the composite image N of FIG. 4C. The image synthesizing module 15 can be an image synthesizing processor or an image synthesizing software, etc., and the number thereof can be one or more (such as two or more).

The image recognition module 16 identifies the product identification 121 of the goods 12 from the composite image N synthesized by the image synthesis module 15. Thereafter, subsequent operations such as picking, collecting, or storing management of the goods 12 may be performed based on the item identifiers 121 in the synthetic image N. The image recognition module 16 can be an image recognition processor or an image recognition software, and the number thereof can be one or more (such as two or more).

Moreover, the conveyor belt 11 can include an auxiliary identification 111 having a plurality of features 112, and the camera modules 14 can identify the goods of the goods 12. 121 and the features 112 of the auxiliary mark 111 are captured into the images, such as the first image M1 in FIG. 4A, the second image M2 in FIG. 4B, and other subsequent images for the image synthesizing module 15 These images are combined into the synthesized image N.

In detail, the image synthesizing module 15 can find the non-repeating portions of the images according to the features 112 of the auxiliary identifier 111, and sequentially stitch (or stitch) the non-repetitive portions of the images into the Synthetic image N. For example, the image synthesizing module 15 can correspond to the position point P of the auxiliary mark 111 in the first image M1 of FIG. 4A to the position point P of the auxiliary mark 111 in the second image M2 of the fourth drawing, and accordingly A boundary Q between the repeated portion B1 of the second image M2 and the non-repeating portion B is extracted to divide the repeated portion B1 and the non-repeating portion B. The image synthesizing module 15 can delete the repeated portion B1 of the second image M2, and then splicing the non-repeating portion B of the second image M2 to the position point P of the first image M1 (non-repeating portion A). On the right side, the composite image N of Fig. 4C is spliced.

The features 112 of the auxiliary identifier 111 may be formed by a plurality of 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 marker 111 may be formed by a plurality of different levels of 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 lens 141 can capture the product identifiers 121 of the goods 12 . The image, such as the first image M1 of FIG. 4A, the second image M2 of FIG. 4B, and other subsequent images thereof, so that the images are imaged by the processing units 142, and The wireless transmission units 143 transmit the imaged images to the image synthesis module 15 . The processing unit 142 can be a processor or a processing software, etc., and the wireless transmission unit 143 can be a wireless transmitter or a wireless transmission software or the like.

As shown in FIG. 1, the logistics article identification image processing system 1 can include at least one control module 17, which can control the speed of at least one of the conveyor belt 11 and the revolving belt 13 and reduce The relative speed of both the conveyor belt 11 and the belt 13 or the speed of both the conveyor belt 11 and the belt 13 (i.e., the conveyor belt 11 and the belt 13 are at a constant speed or relative speed of zero). The control module 17 can be a controller or a control software or the like.

The logistics article identification image processing system 1 can include a first roller 18 and a second roller 19, and the first roller 18 can drive the conveyor belt 11 to sequentially transport the goods 12 in the conveying direction D1, and the first roller 18 The two rollers 19 sequentially rotate the photographic belts 14 according to the conveying direction D1 and the rotating direction D2. The control module 17 controls the rotational speed of at least one of the first roller 18 and the second roller 19 to control the speed of at least one of the conveyor belt 11 and the rotary belt 13.

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

5A to 5B are schematic views showing different aspects of the auxiliary mark 111 having the plural feature 112 in Fig. 3 of the present invention. In FIG. 5A, the features 112 of the auxiliary identifier 111 may be different from each other. The dots are formed in different positions. In FIG. 5B, the features 112 of the auxiliary identifier 111 may be formed by a plurality of uppercase and lowercase English letters.

Figure 6 is a flow chart showing the image processing method of the logistics product identification in the present invention. Please refer to Figures 1 to 5B above. At the same time, the technical content of the image processing method of the logistics product identification is substantially the same as the detailed description of the above-mentioned FIG. 1 to FIG. 5B. Therefore, the following describes the simple steps of the image processing method for the logistics product identification, but the same technical content will not be repeatedly described.

As shown in step S31 of Fig. 6, a plurality of articles 12 having the article identification 121 are sequentially conveyed by a conveyor belt 11 toward a conveying direction D1.

As shown in step S32 of FIG. 6, the plurality of photographic modules 14 are sequentially rotated by the slewing belt 13 according to the conveying direction D1 of the goods 12, and the photographic module 14 successively captures the conveyor belt 11. The plurality of images of the article identification 121 of the goods 12 are as shown in the first image M1 in FIG. 4A, the second image M2 in FIG. 4B, and other subsequent images.

As shown in step S33 of FIG. 6 , the images of the product identifiers 121 captured by the camera modules 14 are combined into a composite image N or a plurality of different images (a series of images) Synthetic image N).

In the present embodiment, the conveyor belt 11 can include an auxiliary identification 111 having a plurality of features 112, and the camera modules 14 capture the product identification 121 of the goods 12 and the features 112 of the auxiliary identification 111. These images. At the same time, the image synthesizing module 15 can find the non-repeating portion and the repeating portion of the image according to the features 112 of the auxiliary identifier 111, and sequentially splicing the non-repetitive portions of the images into the synthesized image N. . The The features 112 of the auxiliary indicia 111 may be comprised of complex steps, lines, dots, words, numbers, symbols, patterns, or any combination thereof.

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

In addition, each of the camera modules 14 can have a lens 141, a processing unit 142, and a wireless transmission unit 143. The lenses 141 can capture images of the product identifiers 121 of the goods 12 (eg, the first image M1 and the first image). The two images M2) are used to image the images through the processing units 142, and the imaged images are transmitted to the image synthesis module 15 by the wireless transmission units 143.

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

The method for processing the image of the goods of the goods can include the first roller 18 driving the conveyor belt 11 to sequentially transport the goods 12 in the conveying direction D1, and the second roller 19 according to the conveying direction D1 and the rotating direction D2. The rotating belt 13 is sequentially rotated to rotate the camera modules 14.

It can be seen from the above that in the logistics article identification image processing system and method of the present invention, a slewing belt and a plurality of photographic modules are disposed above a conveyor belt and a plurality of goods, and the slewing belt is based on the goods. The photographic module is sequentially rotated by the conveying direction, and the plurality of images of the goods identification of the goods on the conveyor belt are successively retrieved by the photographic modules. Therefore, the photographic modules on the slewing belt can follow the goods on the conveyor belt. Moving and moving, so that the relative movement speed between the camera modules and the goods is small, or the camera modules are synchronized with the speed of the goods, so that the camera modules can be easily and quickly captured. A clear image of the identification of the goods to the goods.

At the same time, the conveyor belt may include an auxiliary identification having a plurality of features, and the features of the auxiliary identification are simpler than the complex product identification of the goods, and are more easily identified than one of the goods. The image synthesizing module synthesizes the synthesized images of the goods according to the features of the auxiliary mark more simply, faster and more correctly, and facilitates the image recognition module to more quickly identify the goods from the synthesized image. The identification of the goods, which in turn enhances the image processing speed and performance of the goods.

The above-described embodiments are merely illustrative of the principles, features, and effects of the present invention, and are not intended to limit the scope of the present invention. Any person skilled in the art can recite the above without departing from the spirit and scope of the present invention. The embodiment is modified and changed. Any equivalent changes and modifications made by the disclosure of the present invention should still be covered by the following claims. Therefore, the scope of protection of the present invention should be as set forth in the scope of the patent application.

1‧‧‧Logistics Identification Image Processing System

10‧‧‧Logistics identification image processing device

11‧‧‧Conveyor belt

111‧‧‧Auxiliary logo

12‧‧‧ Goods

121‧‧‧Product identification

13‧‧‧Revolving belt

14‧‧‧Photography module

140‧‧‧ Shooting range

15‧‧‧Image Synthesis Module

16‧‧‧Image recognition module

17‧‧‧Control Module

18‧‧‧First wheel

19‧‧‧Second wheel

20‧‧‧Power belt

D1‧‧‧ conveying direction

D2‧‧‧ turning direction

Claims (18)

The invention relates to a logistics product identification image processing system, comprising: a conveyor belt, which sequentially transports a plurality of goods having a product identification in a conveying direction; a revolving belt is located above the conveyor belt and the goods identification of the goods; the plurality of photography modules The slewing belts are respectively disposed on the slewing belt to sequentially rotate the photographic modules according to the conveying direction of the goods, and the photographic modules successively capture the goods on the conveyor belt. a plurality of image recognition modules; at least one image synthesis module that combines the images of the product identifications captured by the camera modules into at least one composite image; and at least one image recognition module The product identification of the goods is identified in the composite image synthesized by the image synthesis module. The logistics article identification image processing system of claim 1, wherein the conveyor belt includes an auxiliary identification having a plurality of features, and the camera modules identify the goods of the goods and the auxiliary identification The features are captured into the images. The image processing system of the item of claim 2, wherein the image synthesizing module finds non-repeating parts of the images according to the features of the auxiliary sign, and the non-repetitive parts of the images are The repeated portions are sequentially spliced into the composite image. Image processing of logistics goods identification as described in item 2 of the patent application scope The system, wherein the features of the auxiliary logo are formed by complex steps, lines, dots, words, numbers, symbols, patterns, or any combination thereof. The image processing system for logistics goods identified in claim 1, wherein each of the camera modules has a lens, a processing unit and a wireless transmission unit, and the lens images capture the goods identification of the goods. The images are imaged by the processing unit, and the imaged images are respectively transmitted to the image synthesis module by the wireless transmission units. The logistics article identification image processing system of claim 1, further comprising 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 relative speed of the revolving belt, or the speed of both the conveyor belt and the revolving belt. The first embodiment of the invention relates to a first embodiment of the invention, which further comprises a first roller and a second roller, the first roller system driving the conveyor belt to sequentially transport the goods in the conveying direction, and The second roller rotates the camera modules in sequence according to the conveying direction. The logistics article identification image processing system of claim 7, further comprising a power belt disposed on the first roller and the second roller to simultaneously drive the first roller through the power belt The speed of both the conveyor belt and the belt is synchronized with the second roller. An image processing device for a logistics product identification, comprising: a plurality of photographic modules respectively disposed on a slewing belt, wherein the photographic belts are sequentially rotated by the slewing belt according to a conveying direction of the plurality of goods, and the photographic modules are rotated by the photographic modules The group successively captures a plurality of images of the product identifications of the goods; at least one image synthesizing module synthesizes the images of the goods identifications captured by the camera modules into at least one composite image; and at least one image The identification module identifies the item identification of the goods from the composite image synthesized by the image synthesis module. The image processing device of the present invention, wherein each of the camera modules has a lens, a processing unit and a wireless transmission unit, and the lens systems capture the product identification of the goods. The images are imaged by the processing units, and the imaged images are transmitted to the image synthesis module by the wireless transmission units. The image processing device of claim 9, wherein the image synthesizing module finds non-repeating portions of the images and sequentially splices the non-repeating portions of the images into the image. Synthesize images. A method for processing image identification of a logistics product comprises: sequentially conveying a plurality of goods having a product identification from a conveyor belt toward a conveying direction; and rotating the belt according to the conveying direction of the goods in sequence by a rotating belt a plurality of photographic modules, wherein the photographic modules successively capture a plurality of images of the product identifications of the goods on the conveyor belt; and synthesize the images of the goods identifications captured by the photographic modules into at least a composite image; and identifying the product identification of the goods from the composite image. The method for processing a logistics article identification image according to claim 12, wherein the conveyor belt comprises an auxiliary identification having a plurality of features, and the camera modules identify the goods of the goods and the auxiliary identification The features are captured into the images. The method for processing an image of a logistic item of goods as described in claim 13 further includes: finding, according to the features of the auxiliary sign, the non-repeating parts of the image having the item identification, and the non-repeating parts of the images The composite images are sequentially stitched together. The method for processing a logistics article identification image according to claim 13 , wherein the features of the auxiliary logo are composed of a plurality of steps, lines, dots, characters, numbers, symbols, patterns or any combination thereof. The image processing method for the logistics product identification as described in claim 12, wherein each of the camera modules has a lens, a processing unit and a wireless transmission unit, and the lens systems capture the product identification of the goods. The images are imaged by the processing units, and the imaged images are transmitted to the image synthesis module by the wireless transmission units. Image processing of logistics goods identification as described in item 12 of the patent application scope The method further includes controlling a speed of at least one of the conveyor belt and the belt, and reducing a relative speed of the belt and the belt, or synchronizing the speed of both the belt and the belt. The method for processing a logistics article identification image according to claim 12, further comprising: driving, by a first roller, the conveyor belt to sequentially transport the goods in the conveying direction, and driving the second roller according to the conveying direction The slewing belt sequentially rotates the photographic modules.