Design | Detection Technique | Recognition Technique | Test Dataset | Recognition Rate | Image Size | Technology | Area/Gate Count | Freq. (MHz) | Speed (ms/frame) |
[28] | HSV color space, median filter, CCL | Border-vectors, Constructed neural network | N/A | N/A | 640 × 480 | Xilinx Virtex 4 | 160 K NAND | 88 | 16 |
[29] | HSV color space, Morphological Filtering, CCL | Template matching | N/A | N/A | 320 × 240 | Xilinx Virtex 5 | N/A | 100 | 114 |
[30] | HSI color space, Filtering, CCL | Border descriptor (shape only) | N/A | N/A | 1280 × 720 | Xilinx Spartan 6 | N/A | 75 | 16.6 |
[31] | Multiscale Retinex, Template matching | SIFT descriptor, SVM classifier | N/A | 90% | 320 × 240 | 130 nm | 10.61 mm2 | 200 | 33.3 |
This work | NRB color transform, CCL | HOG descriptor, SVM classifier | GTSDB | 90.85% | 1360 × 800 | 90 nm | 0.26 mm2 | 105 | 7.4 |