Fig. 1
![a) Blue fabric and b) green fabric [7]](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/6471db0b215d2f6c89db3264/j_ftee-2022-0019_fig_001.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=ASIA6AP2G7AKGBLRLQAM%2F20260220%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20260220T052739Z&X-Amz-Expires=3600&X-Amz-Security-Token=IQoJb3JpZ2luX2VjEMX%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaDGV1LWNlbnRyYWwtMSJGMEQCIAIcLOvaISTlln4%2FlXzNjfn8tvnfZC1KbbC4dQwTpYrmAiAKAxDSG09sgH7Wf3tvjRg6sZBSvbRAk2Z6V2QO%2FJO54SrEBQiO%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F8BEAIaDDk2MzEzNDI4OTk0MCIMNOcpYj1T24cf7U%2B7KpgFM%2Bpu5%2B38bTz0YyZHN0PUGxV7Cirj6M1Ddx39zappfjf5p0WU6Rav%2Bjfccd3nduogbJX%2FT%2BnfB8hrfEziI4YUgF6gb0YB%2Fwc0qlA7GSss4Nir0VVD2RCQabEEDapxWXhCjMS1jc%2FL2%2B9tJh1fPYMWGIV77jTKP%2FHOobHTiMvPcpLYZupInQj9sHblOm1dJqpgJyJMGW2x4UkBrCeyiVWEx8d9xyrCOJqr5QskVD0iB0dXdXktv8iuU5RC6BhilYOi9DkcN9OzOOaanJhNAtgVMldnNO%2BsK%2Fn3zqqXcDdN1cv9M7wvMFPeQz0j49DWRjdc%2FaTTNknVcmCp6FtIPHON4Anw47n7bJwH6Fnv%2FiYS7IWks8n8YXLCGt7Kw32D4UrTzyQHTs%2B33UnujQeW59thhoGNRPZUHX1bseEhMUAnE9w%2FhC0g5xDM9g%2B%2BD1IXCuAVnUCNJTmOK%2F6MhbQi10vCyoB85%2BpG8QvPcYcbaKVzNPa9RedaQ49WQCIZhnuQxuI88hocP4kBH%2F9n6CsQG92BfYzMcdWhR931b5xx04%2BLTT56zq7q2F0z2%2FjpgS5hFvxNgWtVQ5EuGkE%2BKurQPioyiQSgdzxUqZL5fxvM3Z8iOI3sNrT5vep9SYBEebj34WEtNb1AcFhXpTWz8VODjTN0Z4iqVW0%2BI0fimS%2FjNtP5vm3rko%2FdOn3oXGqEJSQwrOMaHW6iFFb6awRJpch0upkXGU8qs14Siodk%2Fl4ctvE3bZjytrSqAC8hWrbIxnBQOfCKGhz4tMEmwUiVL76IcTZ09Sijr5ON5DLVOFVl97v%2FRjqOpgLgVLP9FdCzwf%2FP8nHYVa%2B1Yd2DMQjqw1FA54ZgrptqGjZinZCt0TXsa%2F7%2B%2FXxC0XnRqUP%2FuTCM0d%2FMBjqyASiYGAp0TH7cPFjU6FHk5arAsAGTUdn4VeaseEgSF%2F2SLeqsUGAKCrnOuK4WrqQY%2F3wmDl7ue3xpP696RyLLksGzZKRZFefiP6tw0zT34VXBmu2TUN%2Fs6H9U2Nfl0J14CwNTpSHVmrJHO0YHzcZe3yWWLzHQ53Nm5bJ7GA57DElFVrkQDZZc9qMwt%2F0i7SgmXiHynQnTAsupXYZxzMtWDI4yI9jVtLGVoi6Yh%2B9CvXKKXBI%3D&X-Amz-Signature=449b3f5b9cf9f154fb851a4e1746e4669f7bd6ec5cdad42171705f3924662ce0&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)
Fig. 2
![Sewing threads [7]](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/6471db0b215d2f6c89db3264/j_ftee-2022-0019_fig_002.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=ASIA6AP2G7AKGBLRLQAM%2F20260220%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20260220T052739Z&X-Amz-Expires=3600&X-Amz-Security-Token=IQoJb3JpZ2luX2VjEMX%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaDGV1LWNlbnRyYWwtMSJGMEQCIAIcLOvaISTlln4%2FlXzNjfn8tvnfZC1KbbC4dQwTpYrmAiAKAxDSG09sgH7Wf3tvjRg6sZBSvbRAk2Z6V2QO%2FJO54SrEBQiO%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F8BEAIaDDk2MzEzNDI4OTk0MCIMNOcpYj1T24cf7U%2B7KpgFM%2Bpu5%2B38bTz0YyZHN0PUGxV7Cirj6M1Ddx39zappfjf5p0WU6Rav%2Bjfccd3nduogbJX%2FT%2BnfB8hrfEziI4YUgF6gb0YB%2Fwc0qlA7GSss4Nir0VVD2RCQabEEDapxWXhCjMS1jc%2FL2%2B9tJh1fPYMWGIV77jTKP%2FHOobHTiMvPcpLYZupInQj9sHblOm1dJqpgJyJMGW2x4UkBrCeyiVWEx8d9xyrCOJqr5QskVD0iB0dXdXktv8iuU5RC6BhilYOi9DkcN9OzOOaanJhNAtgVMldnNO%2BsK%2Fn3zqqXcDdN1cv9M7wvMFPeQz0j49DWRjdc%2FaTTNknVcmCp6FtIPHON4Anw47n7bJwH6Fnv%2FiYS7IWks8n8YXLCGt7Kw32D4UrTzyQHTs%2B33UnujQeW59thhoGNRPZUHX1bseEhMUAnE9w%2FhC0g5xDM9g%2B%2BD1IXCuAVnUCNJTmOK%2F6MhbQi10vCyoB85%2BpG8QvPcYcbaKVzNPa9RedaQ49WQCIZhnuQxuI88hocP4kBH%2F9n6CsQG92BfYzMcdWhR931b5xx04%2BLTT56zq7q2F0z2%2FjpgS5hFvxNgWtVQ5EuGkE%2BKurQPioyiQSgdzxUqZL5fxvM3Z8iOI3sNrT5vep9SYBEebj34WEtNb1AcFhXpTWz8VODjTN0Z4iqVW0%2BI0fimS%2FjNtP5vm3rko%2FdOn3oXGqEJSQwrOMaHW6iFFb6awRJpch0upkXGU8qs14Siodk%2Fl4ctvE3bZjytrSqAC8hWrbIxnBQOfCKGhz4tMEmwUiVL76IcTZ09Sijr5ON5DLVOFVl97v%2FRjqOpgLgVLP9FdCzwf%2FP8nHYVa%2B1Yd2DMQjqw1FA54ZgrptqGjZinZCt0TXsa%2F7%2B%2FXxC0XnRqUP%2FuTCM0d%2FMBjqyASiYGAp0TH7cPFjU6FHk5arAsAGTUdn4VeaseEgSF%2F2SLeqsUGAKCrnOuK4WrqQY%2F3wmDl7ue3xpP696RyLLksGzZKRZFefiP6tw0zT34VXBmu2TUN%2Fs6H9U2Nfl0J14CwNTpSHVmrJHO0YHzcZe3yWWLzHQ53Nm5bJ7GA57DElFVrkQDZZc9qMwt%2F0i7SgmXiHynQnTAsupXYZxzMtWDI4yI9jVtLGVoi6Yh%2B9CvXKKXBI%3D&X-Amz-Signature=655a87e6cc5961b075e1ab5702224b68ae61a242a4be6cb6b50b7923ce5afcb7&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)
Fig. 3

Fig. 4

Fig. 5

Fig. 6

Experimental results of the waterproofness values of samples [7]
| Fabric | Thread Composition | Waterproofness (mm) | ||||
|---|---|---|---|---|---|---|
| Test 1 | Test 2 | Test 3 | Test 4 | Test 5 | ||
| Blue (0) | Threadlessly sewn (perforated) | 177 | 172 | 176 | 173 | 171 |
| T80/T80 | 224 | 216 | 215 | 218 | 204 | |
| T80/T150 | 236 | 229 | 227 | 233 | 235 | |
| T150/T150 | 227 | 228 | 225 | 242 | 234 | |
| T80/T80+T40 | 219 | 218 | 236 | 238 | 225 | |
| T80/T150+T40 | 228 | 254 | 241 | 232 | 230 | |
| T80/T135 | 236 | 251 | 237 | 245 | 245 | |
| T150/T135 | 190 | 202 | 198 | 211 | 190 | |
| T80/T80+T135 | 208 | 201 | 208 | 235 | 214 | |
| T150/T80+T135 | 239 | 230 | 221 | 237 | 230 | |
| Green (1) | Threadlessly sewn (perforated) | 125 | 132 | 142 | 128 | 134 |
| T80/T80 | 225 | 231 | 232 | 218 | 225 | |
| T80/T150 | 259 | 283 | 291 | 254 | 269 | |
| T150/T150 | 256 | 295 | 273 | 233 | 233 | |
| T80/T80+T40 | 272 | 294 | 267 | 262 | 257 | |
| T80/T150+T40 | 270 | 266 | 263 | 256 | 245 | |
| T80/T135 | 274 | 271 | 304 | 297 | 317 | |
| T150/T135 | 261 | 275 | 249 | 254 | 258 | |
| T80/T80+T135 | 260 | 250 | 307 | 322 | 274 | |
| T150/T80+T135 | 266 | 283 | 259 | 249 | 260 | |
Needle and shuttle thread combinations [7]
| Display of thread combinations in seams (Needle thread/Shuttle thread) | Needle thread (upper thread) (tex) | Shuttle thread (lower thread) (tex) |
|---|---|---|
| Threadless sewn (sewn without thread, perforated) | - | - |
| T80/T80 | 80 | 80 |
| T80/T150 | 80 | 150 |
| T150/T150 | 150 | 150 |
| T80/T80+T40 | 80 | 80 and 40 |
| T80/T150+T40 | 80 | 150 and 40 |
| T80/T135 | 80 | 135 |
| T150/T135 | 150 | 135 |
| T80/T80+T135 | 80 | 80 and 135 |
| T150/T80+T135 | 150 | 80 and 135 |
Comparison of test data and ANN results
| Fabric | Thread Composition | Waterproofness (mm) | Absolute Error % | ||
|---|---|---|---|---|---|
| Test | ANN | ||||
| Blue | Threadlessly sewn (perforated) | 173 | 174.00 | 0.57 |
|
| T80/T80 | 218 | 214.75 | 1.49 | ||
| T80/T150 | 235 | 231.25 | 1.59 | ||
| T150/T150 | 242 | 228.50 | 5.57 | ||
| T80/T80+T40 | 219 | 229.25 | 4.68 | ||
| T80/T150+T40 | 232 | 238.25 | 2.69 | ||
| T80/T135 | 245 | 242.25 | 1.12 | ||
| T150/T135 | 190 | 200.25 | 5.39 | ||
| T80/T80+T135 | 235 | 207.75 | 11.59 | ||
| T150/T80+T135 | 239 | 229.50 | 3.97 | ||
| Green | Threadlessly sewn (perforated) | 142 | 129.75 | 8.62 | |
| T80/T80 | 232 | 224.75 | 3.12 | ||
| T80/T150 | 283 | 268.25 | 5.21 | ||
| T150/T150 | 256 | 258.50 | 0.97 | ||
| T80/T80+T40 | 257 | 273.75 | 6.51 | ||
| T80/T150+T40 | 263 | 259.25 | 1.42 | ||
| T80/T135 | 304 | 289.75 | 4.68 | ||
| T150/T135 | 249 | 262.00 | 5.22 | ||
| T80/T80+T135 | 307 | 276.50 | 9.93 | ||
| T150/T80+T135 | 260 | 264.25 | 1.63 | ||
| Mean Error % | 4.30 | ||||
The sewing threads [7]
| Sewing Thread Code | Thread Composition |
|---|---|
| T80 | 80 tex, Polyester / Cotton corespun (Antiwick) |
| T150 | 150 tex, Polyester / Cotton corespun (Antiwick) |
| T135 | 135 tex, low fusible co-polyamide (85%) and polyester (15%) (Co-polyamide fuses between 100–110°C |
| T40 | 40 tex, Co-polyamide filament (Co-polyamide fuses between 100–110°C) |