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=ASIA6AP2G7AKGAZAUNDW%2F20251217%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20251217T033301Z&X-Amz-Expires=3600&X-Amz-Security-Token=IQoJb3JpZ2luX2VjEKr%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaDGV1LWNlbnRyYWwtMSJHMEUCIQC1gKSrsjV4qfRFGP122FFE7vZZZkOZrNO6X86bfbGzPwIgVzEUCTdAsFJYFhycN8gTF3VWLdKiznc00tUCTRbRYOEqvAUIcxACGgw5NjMxMzQyODk5NDAiDNubCk1KyP%2BR79GfHSqZBQrhsYe2GcCDdJNtLHRXeYDM4iwHodUaGbYY8NUFGE36Kd0bMajlYZAmqEwD4nrIwuILJfIOCfcH8yXrFQ3YDUbCvDlpRx6dWNYzQ3gWcb8ZCrB6XwBbO5hLQVl9A90KovyVtlorCcft1WoQBnNz9S1UZIk7ycijbM51lH46x%2B6a6BzVek2Bl0KvsHGxZIliUnGF%2FE7ptqx0jrXWFjIbQD2klQQd8gFwzDyPUkv%2FTk3K2S3jPiHY%2FsYrFpIVAtRHghg443GqEnACIsdXNKmkQOKR6GMs1aLi%2FZ9%2FUV25Ee74HlxAjpfP9OkZsfd8nSJHoY9kBIaoDKRkmeVpHGz2UU9zl1TJ6iz9W8AfZFqFKgfMOLDFjcA1v8HIvVkbVz6qxmQ8jYBmS4nvQVMmE9LogJkynJcDMPmS7owra5O0KeAbtu6OKLlJZedztEF2ppKVWFYFPf8of3%2FP%2F6BOj8tTXrsMxQP2LglaiY4Mm1ZRQu8GuC88JGqKKrWWIEJqZ3pxDhkE%2F4ZEIVWapcpEef%2BFJjYkql6T%2BTPwpaDXY%2B1O85KilHH9rvDeb%2FZeyaR2yy22JOm9aviM0I%2BJGDuQBYCIZabb6NVdirSAStGFbYUbkQmEnqX%2F%2FhNzRz7VraIwTmTyx7fOw3jO6Es%2BRRB7a%2B8U2zjelZc4RvvVr4vB4h5wl6gZYcJW0hXpSvhw2qdMmVeZm1j%2FOhNI53xbKC%2B%2FF6XBe%2BGxSBAM4DUXTV6RpKiBuCk5vrzYaooWe1vk8vmNtTvZ4saVSWd%2B4Y8e0326%2FhLSTTrr%2F45zPQVAecAEoQ6%2Fb6aWJ%2BE2sMp1lpkfR51mFDFxhni%2Bc4MWpPai8EhTbR44FZohLPkLUiSYZNIw273hhkfdKmtTNKWMPIrPMNCOiMoGOrEBrsJLXSWDM%2B12BUFvEOBVHg%2Bee1pfQNSVu61gSwnnfkENnuL6IKN9u8W0psbFaU%2FX5S75ldDdl47CczwUeseCfyXNlEQZjgro97Fe17PiD0K6HcD4kpwSVoJfWTSrcUft8xfnuQKs4NwoQibfOUbeIqcN4sOW6oov%2BIoyBDqIOYJhON%2FQpxB3gkZwdOhcaaPY0ik%2BCXoaCrYLVS8gjS%2FemhNXRAPVxhTE30OSSbcf7dxk&X-Amz-Signature=787b736b096832f66811f1a9bd46839810e859ca1ce1d675e54d780a16711e5b&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=ASIA6AP2G7AKGAZAUNDW%2F20251217%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20251217T033301Z&X-Amz-Expires=3600&X-Amz-Security-Token=IQoJb3JpZ2luX2VjEKr%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaDGV1LWNlbnRyYWwtMSJHMEUCIQC1gKSrsjV4qfRFGP122FFE7vZZZkOZrNO6X86bfbGzPwIgVzEUCTdAsFJYFhycN8gTF3VWLdKiznc00tUCTRbRYOEqvAUIcxACGgw5NjMxMzQyODk5NDAiDNubCk1KyP%2BR79GfHSqZBQrhsYe2GcCDdJNtLHRXeYDM4iwHodUaGbYY8NUFGE36Kd0bMajlYZAmqEwD4nrIwuILJfIOCfcH8yXrFQ3YDUbCvDlpRx6dWNYzQ3gWcb8ZCrB6XwBbO5hLQVl9A90KovyVtlorCcft1WoQBnNz9S1UZIk7ycijbM51lH46x%2B6a6BzVek2Bl0KvsHGxZIliUnGF%2FE7ptqx0jrXWFjIbQD2klQQd8gFwzDyPUkv%2FTk3K2S3jPiHY%2FsYrFpIVAtRHghg443GqEnACIsdXNKmkQOKR6GMs1aLi%2FZ9%2FUV25Ee74HlxAjpfP9OkZsfd8nSJHoY9kBIaoDKRkmeVpHGz2UU9zl1TJ6iz9W8AfZFqFKgfMOLDFjcA1v8HIvVkbVz6qxmQ8jYBmS4nvQVMmE9LogJkynJcDMPmS7owra5O0KeAbtu6OKLlJZedztEF2ppKVWFYFPf8of3%2FP%2F6BOj8tTXrsMxQP2LglaiY4Mm1ZRQu8GuC88JGqKKrWWIEJqZ3pxDhkE%2F4ZEIVWapcpEef%2BFJjYkql6T%2BTPwpaDXY%2B1O85KilHH9rvDeb%2FZeyaR2yy22JOm9aviM0I%2BJGDuQBYCIZabb6NVdirSAStGFbYUbkQmEnqX%2F%2FhNzRz7VraIwTmTyx7fOw3jO6Es%2BRRB7a%2B8U2zjelZc4RvvVr4vB4h5wl6gZYcJW0hXpSvhw2qdMmVeZm1j%2FOhNI53xbKC%2B%2FF6XBe%2BGxSBAM4DUXTV6RpKiBuCk5vrzYaooWe1vk8vmNtTvZ4saVSWd%2B4Y8e0326%2FhLSTTrr%2F45zPQVAecAEoQ6%2Fb6aWJ%2BE2sMp1lpkfR51mFDFxhni%2Bc4MWpPai8EhTbR44FZohLPkLUiSYZNIw273hhkfdKmtTNKWMPIrPMNCOiMoGOrEBrsJLXSWDM%2B12BUFvEOBVHg%2Bee1pfQNSVu61gSwnnfkENnuL6IKN9u8W0psbFaU%2FX5S75ldDdl47CczwUeseCfyXNlEQZjgro97Fe17PiD0K6HcD4kpwSVoJfWTSrcUft8xfnuQKs4NwoQibfOUbeIqcN4sOW6oov%2BIoyBDqIOYJhON%2FQpxB3gkZwdOhcaaPY0ik%2BCXoaCrYLVS8gjS%2FemhNXRAPVxhTE30OSSbcf7dxk&X-Amz-Signature=87251077fa39d706a4c19811b7ddf058ebae193ca562b9119424cbded404f9e4&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) |