Breathable wet compressing cotton soft towel and production method thereof
By acquiring and processing the hole image feature data, the online identification of the quality of hole punching of breathable wet cotton towels is achieved, which solves the problem of insufficient breathability to meet the requirements, and improves the breathability of cotton towels and the reliability of the production process.
Patent Information
- Application Number
- CN202411777239.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-05
- Publication Date
- 2025-03-14
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
During the processing of breathable wet cotton towels, the identification of the quality of the holes is lacking, resulting in the air permeability not meeting the requirements.
By obtaining the hole image feature data, including the number, position and aperture deviation values of the hole image abnormal unit and the hole image normal unit, the porous image feature data is processed to obtain the paper roll hole state online value, thereby realizing the online recognition of the hole punched image.
It realizes reliable identification of the quality of hole punching of breathable wet cotton soft towels, improves breathability, and enhances the applicability and reliability of the production process.
Smart Images

Figure CN119606241A_ABST
Abstract
Description
Technical Field
[0002] The invention relates to the technical field of soft cotton towels, and in particular to a breathable wet compress soft cotton towel and a production method thereof. Background Art
[0004] Breathable wet compress cotton wipes are a multifunctional daily necessity, usually made of 100% pure natural cotton fiber or other natural fibers such as bamboo fiber, wood fiber, etc., produced through advanced cotton spunlace non-woven fabric technology, and then sterilized by high-pressure steam. This cotton wipe has the characteristics of softness, fineness, good water absorption, good air permeability, and no dandruff, and is very suitable for skin cleansing and wet compress care.
[0005] During the processing of breathable wet compress cotton wipes, they need to be punched to improve the air permeability of the cotton wipes. However, during the punching process, there is a lack of identification of the punching quality of the breathable wet compress cotton wipes. That is, when the punching quality does not meet the requirements, the corresponding air permeability of the breathable wet compress cotton wipes will not meet the requirements.
[0006] Based on this, a breathable wet compress cotton towel and a production method thereof are proposed. Summary of the invention
[0008] The object of the present invention is to provide a breathable wet compress cotton wipe and a production method thereof, wherein hole image feature data of a punching image is obtained based on the number, position and corresponding aperture deviation value of abnormal hole image units and normal hole image units, and the online value of the hole state of a paper roll is obtained by processing the hole image feature data, thereby realizing online recognition from the local hole state of an idle sub-unit to the hole state of the entire punching image, which has strong applicability and high reliability in identifying the punching quality of a paper roll.
[0009] The purpose of the present invention can be achieved by the following technical solutions:
[0010] A method for producing a breathable wet compress cotton towel comprises the following steps:
[0011] The large roll of paper is processed by a rewinder to form a continuous paper roll, and the paper roll is pre-processed by edge pressing;
[0012] Then, the pre-processed paper roll is punched and trimmed, and the hole image feature data of the paper roll is obtained, and the online value of the hole state of the paper roll is obtained based on the hole image feature data;
[0013] If the paper roll pore state online value is within the preset paper roll pore state online value range, it means that the air permeability is good, and a qualified paper roll is obtained, and the qualified paper roll is subsequently cut;
[0014] If the paper roll pore state online value is outside the preset paper roll pore state online value range, it means that the air permeability is poor, and an unqualified paper roll is obtained, and the unqualified paper roll is reworked;
[0015] The qualified paper roll is cut and folded by a cotton towel folding machine and a large rotary cutting machine to form the initial shape of the cotton towel, and the cotton towel having the initial shape is sprayed with glue to solidify it to obtain a breathable wet compress cotton towel.
[0016] As a further solution of the present invention: collecting a punching image of the paper roll after punching and trimming to obtain a punching image;
[0017] Dividing the perforated image into a number of perforated image sub-units according to the area;
[0018] Orthogonally project the standard hole onto each hole in the hole image subunit to obtain the non-overlapping area between the projected standard hole and each hole in the hole image subunit;
[0019] The area value of the non-overlapping region corresponding to each hole on the hole-image subunit is obtained and recorded as the aperture deviation value.
[0020] As a further solution of the present invention: summing up and averaging the aperture deviation values corresponding to all the holes in the aperture image subunit to obtain the total aperture deviation value of the aperture image subunit;
[0021] The aperture deviation values corresponding to all the holes in the hole image subunit are processed according to the variance calculation formula to obtain the aperture fluctuation value of the hole image subunit;
[0022] The maximum aperture deviation value and the minimum aperture deviation value in the aperture image subunit are calculated by difference to obtain the aperture deviation value, and the aperture deviation value and the projection area value of the standard hole are calculated by ratio to obtain the aperture deviation amplitude value of the aperture image subunit.
[0023] As a further solution of the present invention: the total value of the aperture deviation of the aperture image subunit is recorded as Kz;
[0024] The aperture fluctuation value of the hole image subunit is recorded as Kb;
[0025] The aperture deviation amplitude of the hole image subunit is recorded as Kf;
[0026] By formula The aperture deviation value Ki of the hole-image subunit is calculated, where: is the preset scale factor.
[0027] As a further solution of the present invention: the aperture deviation threshold of the aperture image subunit is preset to Ky;
[0028] If the aperture deviation value Ki of the hole image subunit is greater than or equal to the aperture deviation threshold Ky of the hole image subunit, the hole image subunit is recorded as a hole image abnormal unit;
[0029] If the aperture deviation value Ki of the hole image sub-unit is less than the aperture deviation threshold Ky of the hole image sub-unit, the hole image sub-unit is recorded as a hole image normal unit.
[0030] As a further solution of the present invention: the hole image characteristic data includes a hole image abnormality number ratio of the punched image, an aperture loss ratio of the punched image, and an aperture area of the punched image;
[0031] The hole image abnormality ratio of the punched image is recorded as Dks;
[0032] The aperture loss ratio of the punched image is denoted as Dkj;
[0033] The aperture area ratio of the punched image is denoted as Dkq;
[0034] By formula The online value Dki of the paper roll hole state of the punching image is calculated, where: is the preset scale factor, and ;
[0035] As a further solution of the present invention: the process of obtaining the hole image abnormality ratio of the punched image is as follows:
[0036] The ratio of the number of hole image abnormal units to the number of hole image subunits in the punched image is calculated to obtain the hole image abnormality number ratio of the punched image.
[0037] As a further solution of the present invention: the process of obtaining the aperture loss value of the hole image abnormal unit is:
[0038] The difference between the abnormal value of the aperture deviation of the abnormal hole image unit and the positive value of the aperture deviation of the normal hole image unit is calculated to obtain the aperture loss value of the abnormal hole image unit;
[0039] The aperture loss ratio of the perforated image is obtained by calculating the ratio of the aperture loss value of the abnormal hole image unit to the positive value of the aperture deviation of the normal hole image unit.
[0040] As a further solution of the present invention: connecting the center point of the first aperture image unit and the center point of the second aperture image unit to obtain an aperture deviation line segment;
[0041] The two segments of the aperture deviation line segment are extended and intersected with the edge of the punched image to obtain an extended segment of the aperture deviation line segment, which is recorded as the aperture deviation total straight line segment;
[0042] The ratio of the aperture deviation line segment to the aperture deviation total straight line segment is calculated to obtain the aperture deviation line ratio;
[0043] Obtain the number of abnormal aperture image units that are penetrated by the aperture deviation line segment;
[0044] Obtain the number of aperture image sub-units penetrated by the aperture deviation total straight line segment;
[0045] The number of abnormal aperture image units penetrated by the aperture deviation line segment and the number of aperture image sub-units penetrated by the aperture deviation total straight line segment are calculated to obtain the aperture deviation ratio;
[0046] The aperture deviation line ratio and the aperture deviation amount ratio are multiplied to obtain the aperture area ratio of the punched image.
[0047] As a further solution of the present invention: a breathable wet compress cotton towel is prepared by the production method described above.
[0048] The beneficial effects of the present invention are as follows: after the paper roll is punched and trimmed, the present invention obtains a punched image of the paper roll, divides the punched image into several hole image sub-units, identifies the holes corresponding to each hole image sub-unit, obtains the total value of the aperture deviation of the hole image sub-unit, the aperture fluctuation value of the hole image sub-unit and the aperture deviation amplitude value of the hole image sub-unit, thereby completing the acquisition of the aperture deviation value of each hole image sub-unit, completing the identification of the hole image sub-unit, and obtaining the hole image feature data of the punched image based on the number, position and corresponding aperture deviation value of the abnormal hole image units and the normal hole image units. By processing the multi-hole image feature data, the online value of the hole state of the paper roll is obtained, thereby realizing online identification from the local hole state of the idle sub-unit to the hole state of the entire punched image, and having strong applicability and high reliability in identifying the punching quality of the paper roll. BRIEF DESCRIPTION OF THE DRAWINGS
[0050] The present invention will be further described below in conjunction with the accompanying drawings.
[0051] Figure 1 It is a flow chart of a method for producing a breathable wet compress cotton towel of the present invention;
[0052] Figure 2 This is a flow chart of hole image subunit identification in a method for producing a breathable wet compress cotton towel of the present invention;
[0053] Figure 3 It is a schematic diagram of the structure of an electronic device according to an embodiment of the present invention. DETAILED DESCRIPTION
[0055] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0056] Example 1
[0057] See also Figure 1 As shown, the present invention is a method for producing a breathable wet compress cotton towel, comprising the following steps:
[0058] The large roll of paper is processed by a rewinder to form a continuous paper roll, and the paper roll is pre-processed by edge pressing;
[0059] Then, the pre-processed paper roll is punched and trimmed, and the hole image feature data of the paper roll is obtained, and the online value of the hole state of the paper roll is obtained based on the hole image feature data;
[0060] If the paper roll pore state online value is within the preset paper roll pore state online value range, it means that the air permeability is good, and a qualified paper roll is obtained, and the qualified paper roll is subsequently cut;
[0061] If the paper roll pore state online value is outside the preset paper roll pore state online value range, it means that the air permeability is poor, and an unqualified paper roll is obtained, and the unqualified paper roll is reworked;
[0062] The qualified paper roll is cut and folded by a cotton towel folding machine and a large rotary cutting machine to form the initial shape of the cotton towel, and the cotton towel having the initial shape is sprayed with glue to solidify it to obtain a breathable wet compress cotton towel.
[0063] The reprocessing of unqualified paper rolls includes but is not limited to re-punching and waste recycling.
[0064] Capturing a punched image of the paper roll after punching and trimming, preprocessing the captured punched image, and extracting features from the preprocessed punched image to obtain hole image feature data;
[0065] The punching image is collected by using a camera, a scanner or other equipment;
[0066] Since the captured perforated images may have problems such as noise and uneven illumination, the preprocessing of the perforated images includes filtering, denoising and contrast enhancement.
[0067] In step 1, computer vision algorithms are used to extract features from the perforated image, including but not limited to edge detection and corner detection.
[0068] The hole image characteristic data includes a hole image abnormality number ratio of the punch image, an aperture loss ratio of the punch image, and an aperture area of the punch image.
[0069] Dividing the perforated image into a number of perforated image sub-units according to the area;
[0070] Orthogonally project the standard hole onto each hole in the hole image subunit to obtain the non-overlapping area between the projected standard hole and each hole in the hole image subunit;
[0071] Among them, the standard hole is the best hole formed by punching the paper roll. Under the state of the standard hole, the quality of the paper roll is the best;
[0072] Obtain the area value of the non-overlapping region corresponding to each hole on the hole-image subunit, and record it as the aperture deviation value;
[0073] The aperture deviation values corresponding to all the holes in the hole image subunit are summed and averaged to obtain the total aperture deviation value of the hole image subunit;
[0074] The aperture deviation values corresponding to all the holes in the hole image subunit are processed according to the variance calculation formula to obtain the aperture fluctuation value of the hole image subunit;
[0075] The maximum aperture deviation value and the minimum aperture deviation value in the aperture image subunit are calculated by difference to obtain the aperture deviation value;
[0076] The aperture deviation value is calculated by comparing the aperture deviation value with the projection area value of the standard aperture to obtain the aperture deviation amplitude value of the aperture image subunit;
[0077] The total value of the aperture deviation of the hole-image subunit is recorded as Kz;
[0078] The aperture fluctuation value of the hole image subunit is recorded as Kb;
[0079] The aperture deviation amplitude of the hole image subunit is recorded as Kf;
[0080] By formula The aperture deviation value Ki of the hole-image subunit is calculated, where: is the preset scale factor.
[0081] See also Figure 2 , the aperture deviation threshold of the hole image subunit is preset as Ky, and the aperture deviation value Ki of the hole image subunit is compared with the aperture deviation threshold Ky;
[0082] If the aperture deviation value Ki of the hole image subunit is greater than or equal to the aperture deviation threshold Ky of the hole image subunit, the hole image subunit is recorded as a hole image abnormal unit;
[0083] If the aperture deviation value Ki of the hole image sub-unit is less than the aperture deviation threshold Ky of the hole image sub-unit, the hole image sub-unit is recorded as a hole image normal unit.
[0084] Obtaining the number of abnormal hole image units and the number of normal hole image units in the punched image;
[0085] The number of hole image abnormal units is calculated by ratio with the number of hole image subunits in the punched image to obtain the hole image abnormal number ratio of the punched image;
[0086] The aperture deviation values of all the abnormal hole image units in the punched image are summed and averaged to obtain the aperture deviation abnormal value of the abnormal hole image unit;
[0087] The aperture deviation values of all normal hole image units in the punched image are summed and averaged to obtain the positive value of the aperture deviation of the normal hole image unit;
[0088] The difference between the abnormal value of the aperture deviation of the abnormal hole image unit and the positive value of the aperture deviation of the normal hole image unit is calculated to obtain the aperture loss value of the abnormal hole image unit;
[0089] The aperture loss value of the abnormal hole image unit is calculated by ratio with the positive value of the aperture deviation of the normal hole image unit to obtain the aperture loss ratio of the perforated image;
[0090] In the punched image, the hole image subunit corresponding to the maximum aperture deviation value is marked as the first hole image unit;
[0091] In the punched image, the hole image subunit corresponding to the minimum aperture deviation value is marked as the second hole image unit;
[0092] Connect the center point of the first unit of the aperture image with the center point of the second unit of the aperture image to obtain an aperture deviation line segment;
[0093] The two segments of the aperture deviation line segment are extended and intersected with the edge of the punched image to obtain an extended segment of the aperture deviation line segment, which is recorded as the aperture deviation total straight line segment;
[0094] The ratio of the aperture deviation line segment to the aperture deviation total straight line segment is calculated to obtain the aperture deviation line ratio;
[0095] Obtain the number of abnormal aperture image units that are penetrated by the aperture deviation line segment;
[0096] Obtain the number of aperture image sub-units penetrated by the aperture deviation total straight line segment;
[0097] The number of abnormal aperture image units penetrated by the aperture deviation line segment and the number of aperture image sub-units penetrated by the aperture deviation total straight line segment are calculated to obtain the aperture deviation ratio;
[0098] The aperture deviation line ratio and the aperture deviation amount ratio are multiplied to obtain the aperture area ratio of the punched image;
[0099] The hole image abnormality ratio of the punched image is recorded as Dks;
[0100] The aperture loss ratio of the punched image is denoted as Dkj;
[0101] The aperture area ratio of the punched image is denoted as Dkq;
[0102] By formula The online value Dki of the paper roll hole state of the punching image is calculated, where: is the preset scale factor, and .
[0103] Compare the online value of the paper roll hole state of the punched image with the preset online threshold value of the paper roll hole state of the punched image;
[0104] If the online value of the paper roll hole state of the punching image is less than the preset online threshold value of the paper roll hole state of the punching image, it means that the air permeability is good and a qualified paper roll is obtained;
[0105] If the paper roll hole state online value of the punching image is greater than or equal to the preset paper roll hole state online threshold of the punching image, it means that the air permeability is poor and an unqualified paper roll is obtained.
[0106] Example 2
[0107] This embodiment provides a breathable wet compress cotton towel, which is prepared by the above-mentioned production method of breathable wet compress cotton towel.
[0108] Example 3
[0109] Reference Figure 3 The embodiment of the present invention further provides a computer device 3, comprising: a memory 302 and a processor 301 and a computer program 303 stored in the memory 302. When the computer program 303 is executed on the processor 301, a method for producing a breathable wet compress cotton wipe as described in any one of the above methods is implemented.
[0110] The computer device 3 may be a computing device such as a desktop computer, a notebook, a PDA, or a cloud server. The computer device 3 may include, but is not limited to, a processor 301 and a memory 302. Those skilled in the art will appreciate that
[0111] Figure 3 It is only an example of computer device 3 and does not constitute a limitation on computer device 3. It may include more or fewer components than shown in the figure, or a combination of certain components, or different components, for example, it may also include input and output devices, network access devices, etc.
[0112] The processor 301 may be a central processing unit (CPU), or other general-purpose processors, digital signal processors (DSP), application-specific integrated circuits (ASIC), field-programmable gate arrays (FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. A general-purpose processor may be a microprocessor or any conventional processor, etc.
[0113] In some embodiments, the memory 302 may be an internal storage unit of the computer device 3, such as a hard disk or memory of the computer device 3. In other embodiments, the memory 302 may also be an external storage device of the computer device 3, such as a plug-in hard disk, a smart memory card (Smart Media Card, SMC), a secure digital (Secure Digital, SD) card, a flash card (Flash Card), etc. equipped on the computer device 3. Further, the memory 302 may also include both an internal storage unit of the computer device 3 and an external storage device. The memory 302 is used to store an operating system, an application program, a boot loader (BootLoader), data, and other programs, such as the program code of the computer program, etc. The memory 302 may also be used to temporarily store data that has been output or is to be output.
[0114] Example 4
[0115] An embodiment of the present invention further provides a computer-readable storage medium having a computer program stored thereon. When the computer program is executed by a processor, the method for producing a breathable wet compress cotton wipe as described in any one of the above methods is implemented.
[0116] In this embodiment, if the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the present application implements all or part of the processes in the above-mentioned embodiment method, which can be completed by instructing the relevant hardware through a computer program. The computer program can be stored in a computer-readable storage medium. When the computer program is executed by the processor, the steps of the above-mentioned various method embodiments can be implemented. Among them, the computer program includes computer program code, and the computer program code can be in source code form, object code form, executable file or some intermediate form. The computer-readable medium can at least include: any entity or device that can carry the computer program code to the camera / terminal device, recording medium, computer memory, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), electric carrier signal, telecommunication signal and software distribution medium. For example, USB flash drive, mobile hard disk, disk or optical disk. In some jurisdictions, according to legislation and patent practice, computer-readable media cannot be electric carrier signals and telecommunication signals.
[0117] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described or recorded in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.
[0118] Those of ordinary skill in the art will appreciate that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Professional and technical personnel can use different methods to implement the described functions for each specific application, but such implementation should not be considered to be beyond the scope of this application.
[0119] In the embodiments disclosed in the present application, it should be understood that the disclosed apparatus / terminal equipment and method can be implemented in other ways. For example, the apparatus / terminal equipment embodiments described above are merely illustrative. For example, the division of the modules or units is only a logical function division. There may be other division methods in actual implementation. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed.
[0120] One point, the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, which may be electrical, mechanical or other forms.
[0121] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
[0122] The above formulas are all dimensionless and numerical calculations. The formula is a formula for the most recent real situation obtained by collecting a large amount of data and performing software simulation. The preset parameters in the formula are set by technicians in this field according to actual conditions.
[0123] The above is a detailed description of an embodiment of the present invention, but the content is only a preferred embodiment of the present invention and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.
Claims
1. A method for producing a breathable wet compress cotton towel, characterized in that: The following steps are involved: The large roll of paper is processed by a rewinder to form a continuous paper roll, and the paper roll is pre-processed by edge pressing; Then, the pre-processed paper roll is punched and trimmed, and the hole image feature data of the paper roll is obtained, and the online value of the hole state of the paper roll is obtained based on the hole image feature data; If the paper roll pore state online value is within the preset paper roll pore state online value range, it means that the air permeability is good, and a qualified paper roll is obtained, and the qualified paper roll is subsequently cut; If the paper roll pore state online value is outside the preset paper roll pore state online value range, it means that the air permeability is poor, and an unqualified paper roll is obtained, and the unqualified paper roll is reworked; The qualified paper roll is cut and folded by a cotton towel folding machine and a large rotary cutting machine to form the initial shape of the cotton towel, and the cotton towel having the initial shape is sprayed with glue to solidify it to obtain a breathable wet compress cotton towel.
2. The method for producing a breathable wet compress cotton towel according to claim 1, characterized in that: Capturing a punching image of the paper roll after punching and trimming to obtain a punching image; Dividing the perforated image into a number of perforated image sub-units according to the area; Orthogonally project the standard hole onto each hole in the hole image subunit to obtain the non-overlapping area between the projected standard hole and each hole in the hole image subunit; The area value of the non-overlapping region corresponding to each hole on the hole-image subunit is obtained and recorded as the aperture deviation value.
3. The method for producing a breathable wet compress cotton towel according to claim 2, characterized in that: The aperture deviation values corresponding to all the holes in the hole image subunit are summed and averaged to obtain the total aperture deviation value of the hole image subunit; The aperture deviation values corresponding to all the holes in the hole image subunit are processed according to the variance calculation formula to obtain the aperture fluctuation value of the hole image subunit; The maximum aperture deviation value and the minimum aperture deviation value in the aperture image subunit are calculated by difference to obtain the aperture deviation value, and the aperture deviation value and the projection area value of the standard hole are calculated by ratio to obtain the aperture deviation amplitude value of the aperture image subunit.
4. The method for producing a breathable wet compress cotton towel according to claim 1, characterized in that: The total value of the aperture deviation of the hole-image subunit is recorded as Kz; The aperture fluctuation value of the hole image subunit is recorded as Kb; The aperture deviation amplitude of the hole image subunit is recorded as Kf; By formula The aperture deviation value Ki of the hole-image subunit is calculated, where: is the preset scale factor.
5. The method for producing a breathable wet compress cotton towel according to claim 4, characterized in that: The aperture deviation threshold of the aperture image subunit is preset to Ky; If the aperture deviation value Ki of the hole image subunit is greater than or equal to the aperture deviation threshold Ky of the hole image subunit, the hole image subunit is recorded as a hole image abnormal unit; If the aperture deviation value Ki of the hole image sub-unit is less than the aperture deviation threshold Ky of the hole image sub-unit, the hole image sub-unit is recorded as a hole image normal unit.
6. The method for producing a breathable wet compress cotton towel according to claim 5, characterized in that: The hole image characteristic data includes a hole image abnormality ratio of the punched image, an aperture loss ratio of the punched image, and an aperture area of the punched image; The hole image abnormality ratio of the punched image is recorded as Dks; The aperture loss ratio of the punched image is denoted as Dkj; The aperture area ratio of the punched image is denoted as Dkq; By formula The online value Dki of the paper roll hole state of the punching image is calculated, where: is the preset scale factor, .
7. The method for producing a breathable wet compress cotton towel according to claim 6, characterized in that: The process of obtaining the hole-image anomaly ratio of the punched image is as follows: The ratio of the number of hole image abnormal units to the number of hole image subunits in the punched image is calculated to obtain the hole image abnormality ratio of the punched image.
8. The method for producing a breathable wet compress cotton towel according to claim 6, characterized in that: The process of obtaining the aperture loss value of the hole image abnormal unit is as follows: The difference between the abnormal value of the aperture deviation of the abnormal hole image unit and the positive value of the aperture deviation of the normal hole image unit is calculated to obtain the aperture loss value of the abnormal hole image unit; The aperture loss ratio of the perforated image is obtained by calculating the ratio of the aperture loss value of the abnormal hole image unit to the positive value of the aperture deviation of the normal hole image unit.
9. The method for producing a breathable wet compress cotton towel according to claim 6, characterized in that: Connect the center point of the first unit of the aperture image with the center point of the second unit of the aperture image to obtain an aperture deviation line segment; The two segments of the aperture deviation line segment are extended and intersected with the edge of the punched image to obtain an extended segment of the aperture deviation line segment, which is recorded as the aperture deviation total straight line segment; The ratio of the aperture deviation line segment to the aperture deviation total straight line segment is calculated to obtain the aperture deviation line ratio; Obtain the number of abnormal aperture image units that are penetrated by the aperture deviation line segment; Obtain the number of aperture image sub-units penetrated by the aperture deviation total straight line segment; The number of abnormal aperture image units penetrated by the aperture deviation line segment and the number of aperture image sub-units penetrated by the aperture deviation total straight line segment are calculated to obtain the aperture deviation ratio; The aperture deviation line ratio and the aperture deviation amount ratio are multiplied to obtain the aperture area ratio of the punched image.
10. A breathable wet compress cotton towel, characterized in that: The product is prepared by the production method described in any one of claims 1 to 9.