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=ASIA6AP2G7AKL2Y7WIZC%2F20260306%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20260306T002702Z&X-Amz-Expires=3600&X-Amz-Security-Token=IQoJb3JpZ2luX2VjEA4aDGV1LWNlbnRyYWwtMSJIMEYCIQCvkutjJqAI%2BOtw%2FVa7CPrK2sgqSovc7QTqwFBXJ5VjlwIhAJcpa0Gf%2B9CJ7fm1UmJI%2FR7PIp1pjxGx4E7NuGCLwUO5KsYFCNf%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEQAhoMOTYzMTM0Mjg5OTQwIgyy3tRNoypwe8WkTQoqmgV1yJ8eHHP4VzrhebJ9hYS2Eid%2BY0TfKLydMNNFx4eM2k9ABC7YfxGDjDY3aPYLflIGrci6Ltu24CNc1CjDn99c2Mpx5QpFUoUbZ2eiq1TaihBPTjY0K%2FP04XI9XR8AYZFXkXfb%2BQI3Q%2BFmHyAsoEjxk2OmA0IvrkQDYxXleGrecM4t2GgjPQyu7AlffpLAOhMdiWJa59nZT7rLDYDbedvSFDNQsXAm9UIyn%2ByAwVwupg2vGo0D6tETkE8sCYmbn5sAKg5MJUnVD59%2FmgGrcbwDQk4xBvwGeU94ssoMZHMMBwYzre7lCDS65GrTXdJKMev6j1OeA5u4SVSKKzfIwVnISCxnqLHiq211H3Oe4jE%2FbO615VWuSVcHLMCckjS8qIviJ2e966IJ%2BaGGp8%2BVVDIXGNkcWDu6jmO3yxtBvCv0G5vTXNE%2BOcjYPnXXluCTCylmk5sChNJ43k%2BSwZjGRa2y%2BFGBy2VjSqWwuGCCdrnJ7dv%2FyEuR0iU5Hkp7cZqur1o9xJ2Dk5RPP9mOaF0v4vByuP8eNUGsg%2F%2BKCQuZsi145n8D2srQo0j%2BGQ6VCLKV35r3sjvCuqLYowJ4he9fisObDFCKLYuAqc%2FKK5Gye6DywQAbHq6QAtEk%2BaTnkemGBKfXA%2BizLqdpW9DeVYYosVdqwDY0J0Gru97MT3iWIf7PeEXE1pVBYuSb9qh8LK35iOUM84DYhGfYDNufvNo6lc4jjrivd6TSv24hdrjzUp%2FZH4pGBt%2Bd4dCI6Fe3UyT1EtBtd0%2BRz4dE7uwPH%2Fzt3Cihg%2FxjIA9BdLVMVgziH4yB4XsvQUyIyOI%2B122NyLVul8lsNHvylytrlrnkWY%2FplwlDZ26S2nrc20OxX3G4m02GjMPY7kdjAnxp5w0w1fWnzQY6sAFnVzZpAPfXiLGX2nc%2FW17F800C2zoPEAmUhnZsVZ%2BMiFokhis75RPmIoScfPjHfas9YCqKZ0vW6SXatMdvWNbCX6w9x36rsq86tmOUSZMwDP3s%2B1NW9wvht95zVk3fQ%2FPtK%2F8QnIL2jW1dW79W2EfGnn6Idiw%2B%2FqKEpcPFlD2Ytmd3bDFbln1UcNodNNjSiLOQfKPoIELVteGNz7VeKquRJds05MHc3GhcnvGyxrjn1Q%3D%3D&X-Amz-Signature=84beee4696b8f3ada059d10158ab79d31fe9baaa4a189f8a54568885dae2c859&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=ASIA6AP2G7AKL2Y7WIZC%2F20260306%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20260306T002702Z&X-Amz-Expires=3600&X-Amz-Security-Token=IQoJb3JpZ2luX2VjEA4aDGV1LWNlbnRyYWwtMSJIMEYCIQCvkutjJqAI%2BOtw%2FVa7CPrK2sgqSovc7QTqwFBXJ5VjlwIhAJcpa0Gf%2B9CJ7fm1UmJI%2FR7PIp1pjxGx4E7NuGCLwUO5KsYFCNf%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEQAhoMOTYzMTM0Mjg5OTQwIgyy3tRNoypwe8WkTQoqmgV1yJ8eHHP4VzrhebJ9hYS2Eid%2BY0TfKLydMNNFx4eM2k9ABC7YfxGDjDY3aPYLflIGrci6Ltu24CNc1CjDn99c2Mpx5QpFUoUbZ2eiq1TaihBPTjY0K%2FP04XI9XR8AYZFXkXfb%2BQI3Q%2BFmHyAsoEjxk2OmA0IvrkQDYxXleGrecM4t2GgjPQyu7AlffpLAOhMdiWJa59nZT7rLDYDbedvSFDNQsXAm9UIyn%2ByAwVwupg2vGo0D6tETkE8sCYmbn5sAKg5MJUnVD59%2FmgGrcbwDQk4xBvwGeU94ssoMZHMMBwYzre7lCDS65GrTXdJKMev6j1OeA5u4SVSKKzfIwVnISCxnqLHiq211H3Oe4jE%2FbO615VWuSVcHLMCckjS8qIviJ2e966IJ%2BaGGp8%2BVVDIXGNkcWDu6jmO3yxtBvCv0G5vTXNE%2BOcjYPnXXluCTCylmk5sChNJ43k%2BSwZjGRa2y%2BFGBy2VjSqWwuGCCdrnJ7dv%2FyEuR0iU5Hkp7cZqur1o9xJ2Dk5RPP9mOaF0v4vByuP8eNUGsg%2F%2BKCQuZsi145n8D2srQo0j%2BGQ6VCLKV35r3sjvCuqLYowJ4he9fisObDFCKLYuAqc%2FKK5Gye6DywQAbHq6QAtEk%2BaTnkemGBKfXA%2BizLqdpW9DeVYYosVdqwDY0J0Gru97MT3iWIf7PeEXE1pVBYuSb9qh8LK35iOUM84DYhGfYDNufvNo6lc4jjrivd6TSv24hdrjzUp%2FZH4pGBt%2Bd4dCI6Fe3UyT1EtBtd0%2BRz4dE7uwPH%2Fzt3Cihg%2FxjIA9BdLVMVgziH4yB4XsvQUyIyOI%2B122NyLVul8lsNHvylytrlrnkWY%2FplwlDZ26S2nrc20OxX3G4m02GjMPY7kdjAnxp5w0w1fWnzQY6sAFnVzZpAPfXiLGX2nc%2FW17F800C2zoPEAmUhnZsVZ%2BMiFokhis75RPmIoScfPjHfas9YCqKZ0vW6SXatMdvWNbCX6w9x36rsq86tmOUSZMwDP3s%2B1NW9wvht95zVk3fQ%2FPtK%2F8QnIL2jW1dW79W2EfGnn6Idiw%2B%2FqKEpcPFlD2Ytmd3bDFbln1UcNodNNjSiLOQfKPoIELVteGNz7VeKquRJds05MHc3GhcnvGyxrjn1Q%3D%3D&X-Amz-Signature=f16cba3cf2520204f026a2280536d444e47b2d68c5cc449d8a52ef4ebafc5e0e&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) |