vhliboptimal_test
Test suite for shape contour detection and image outline recognition
Dependencies:
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vhlibplatform 0.4.0 https://github.com/vigatron/vhlibplatform
-
vhliboptimal 0.7.5-beta (optimization in progress; approximately 70% complete) https://github.com/vigatron/vhliboptimal
Example 1: Image size: 4096*4096 Letters and Geometric shape (Extreme Size Test)
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Example 2: Image size: 4096*4096 Letters and Geometric shape (Extreme Size Test)
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Example 3: Image size: 1920*1080 (1080p) Shapes
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Example 4: Image size: 1920*1080 (1080p) Synthetic Dense Text Block (Extreme Stress Test)
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Example 5: Image size: 640*480 (VGA) Shapes
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Example 6: Image size: 800*600 (SVGA) Text
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Example 7: Image size: 1280 × 720 (HD 720p) Shapes & Text
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Benchmark Results 1
| Param | Description |
|---|---|
| CPU Model name | 11th Gen Intel(R) Core(TM) i5-1135G7 @ 2.40GHz |
| Compile Options | -O3 -march=native -flto -funroll-loops |
| Pass count | 16 |
| filename | imageWidth / imageHeight (pixels) |
cellsize (pixels) |
cellsw (cells) |
cellsh (cells) |
total (cells) |
buffsize (bytes) |
objects count |
tsmin / tsavg / tsmax (ms) |
|---|---|---|---|---|---|---|---|---|
| testimage1r4096.jpg | 4096 x 4096 | 4 | 1024 | 1024 | 1048576 | 131072 | 6 | 80 / 80 / 81 |
| testimage1r4096.jpg | 4096 x 4096 | 8 | 512 | 512 | 262144 | 32768 | 6 | 29 / 30 / 31 |
| testimage1r4096.jpg | 4096 x 4096 | 16 | 256 | 256 | 65536 | 8192 | 6 | 12 / 12 / 13 |
| testimage1r4096.jpg | 4096 x 4096 | 32 | 128 | 128 | 16384 | 2048 | 6 | 6 / 6 / 7 |
| filename | imageWidth / imageHeight (pixels) |
cellsize (pixels) |
cellsw (cells) |
cellsh (cells) |
total (cells) |
buffsize (bytes) |
objects count |
tsmin / tsavg / tsmax (ms) |
|---|---|---|---|---|---|---|---|---|
| testimage2r4096.jpg | 4096 x 4096 | 4 | 1024 | 1024 | 1048576 | 131072 | 3 | 86 / 86 / 87 |
| testimage2r4096.jpg | 4096 x 4096 | 8 | 512 | 512 | 262144 | 32768 | 3 | 25 / 25 / 25 |
| testimage2r4096.jpg | 4096 x 4096 | 16 | 256 | 256 | 65536 | 8192 | 3 | 10 / 10 / 11 |
| testimage2r4096.jpg | 4096 x 4096 | 32 | 128 | 128 | 16384 | 2048 | 3 | 6 / 6 / 6 |
| filename | imageWidth / imageHeight (pixels) |
cellsize (pixels) |
cellsw (cells) |
cellsh (cells) |
total (cells) |
buffsize (bytes) |
objects count |
tsmin / tsavg / tsmax (ms) |
|---|---|---|---|---|---|---|---|---|
| testimage3r1080p.jpg | 1920 x 1080 | 2 | 960 | 540 | 518400 | 64800 | 9 | 25 / 25 / 26 |
| testimage3r1080p.jpg | 1920 x 1080 | 4 | 480 | 270 | 129600 | 16200 | 9 | 7 / 7 / 8 |
| testimage3r1080p.jpg | 1920 x 1080 | 8 | 240 | 135 | 32400 | 4050 | 9 | 2 / 2 / 3 |
| testimage3r1080p.jpg | 1920 x 1080 | 16 | 120 | 68 | 8160 | 1020 | 9 | 1 / 1 / 1 |
| filename | imageWidth / imageHeight (pixels) |
cellsize (pixels) |
cellsw (cells) |
cellsh (cells) |
total (cells) |
buffsize (bytes) |
objects count |
tsmin / tsavg / tsmax (ms) |
|---|---|---|---|---|---|---|---|---|
| testimage4r1080p.jpg | 1920 x 1080 | 1 | 1920 | 1080 | 2073600 | 259200 | 2357 | 1389 / 1389 / 1391 |
| testimage4r1080p.jpg | 1920 x 1080 | 2 | 960 | 540 | 518400 | 64800 | 2141 | 317 / 317 / 319 |
| filename | imageWidth / imageHeight (pixels) |
cellsize (pixels) |
cellsw (cells) |
cellsh (cells) |
total (cells) |
buffsize (bytes) |
objects count |
tsmin / tsavg / tsmax (ms) |
|---|---|---|---|---|---|---|---|---|
| testimage5rvga.jpg | 640 x 480 | 1 | 640 | 480 | 307200 | 38400 | 12 | 28 / 28 / 29 |
| testimage5rvga.jpg | 640 x 480 | 2 | 320 | 240 | 76800 | 9600 | 12 | 5 / 5 / 6 |
| testimage5rvga.jpg | 640 x 480 | 4 | 160 | 120 | 19200 | 2400 | 12 | 1 / 1 / 1 |
| testimage5rvga.jpg | 640 x 480 | 8 | 80 | 60 | 4800 | 600 | 12 | 0 / 0 / 0 |
| testimage5rvga.jpg | 640 x 480 | 16 | 40 | 30 | 1200 | 150 | 5 | 0 / 0 / 0 |
| filename | imageWidth / imageHeight (pixels) |
cellsize (pixels) |
cellsw (cells) |
cellsh (cells) |
total (cells) |
buffsize (bytes) |
objects count |
tsmin / tsavg / tsmax (ms) |
|---|---|---|---|---|---|---|---|---|
| testimage6rsvga.jpg | 800 x 600 | 1 | 800 | 600 | 480000 | 60000 | 27 | 18 / 18 / 20 |
| testimage6rsvga.jpg | 800 x 600 | 2 | 400 | 300 | 120000 | 15000 | 26 | 4 / 4 / 5 |
| testimage6rsvga.jpg | 800 x 600 | 4 | 200 | 150 | 30000 | 3750 | 26 | 1 / 1 / 1 |
| testimage6rsvga.jpg | 800 x 600 | 8 | 100 | 75 | 7500 | 938 | 26 | 0 / 0 / 0 |
| testimage6rsvga.jpg | 800 x 600 | 16 | 50 | 38 | 1900 | 238 | 18 | 0 / 0 / 0 |
| filename | imageWidth / imageHeight (pixels) |
cellsize (pixels) |
cellsw (cells) |
cellsh (cells) |
total (cells) |
buffsize (bytes) |
objects count |
tsmin / tsavg / tsmax (ms) |
|---|---|---|---|---|---|---|---|---|
| testimage7r720p.jpg | 1280 x 720 | 1 | 1280 | 720 | 921600 | 115200 | 26 | 37 / 37 / 39 |
| testimage7r720p.jpg | 1280 x 720 | 2 | 640 | 360 | 230400 | 28800 | 26 | 9 / 9 / 10 |
| testimage7r720p.jpg | 1280 x 720 | 4 | 320 | 180 | 57600 | 7200 | 26 | 3 / 3 / 3 |
| testimage7r720p.jpg | 1280 x 720 | 8 | 160 | 90 | 14400 | 1800 | 26 | 1 / 1 / 1 |
| testimage7r720p.jpg | 1280 x 720 | 16 | 80 | 45 | 3600 | 450 | 26 | 0 / 0 / 0 |
Benchmark Results 2
| Param | Description |
|---|---|
| CPU Model name | CPU Model name: AMD FX(tm)-8300 Eight-Core Processor |
| Compile Options | -O3 -march=native -flto -funroll-loops |
| Pass count | 16 |
| filename | imageWidth / imageHeight (pixels) |
cellsize (pixels) |
cellsw (cells) |
cellsh (cells) |
total (cells) |
buffsize (bytes) |
objects count |
tsmin / tsavg / tsmax (ms) |
|---|---|---|---|---|---|---|---|---|
| testimage1r4096.jpg | 4096 x 4096 | 4 | 1024 | 1024 | 1048576 | 131072 | 6 | 183 / 183 / 188 |
| testimage1r4096.jpg | 4096 x 4096 | 8 | 512 | 512 | 262144 | 32768 | 6 | 83 / 84 / 85 |
| testimage1r4096.jpg | 4096 x 4096 | 16 | 256 | 256 | 65536 | 8192 | 6 | 44 / 44 / 46 |
| testimage1r4096.jpg | 4096 x 4096 | 32 | 128 | 128 | 16384 | 2048 | 6 | 26 / 26 / 28 |
| filename | imageWidth / imageHeight (pixels) |
cellsize (pixels) |
cellsw (cells) |
cellsh (cells) |
total (cells) |
buffsize (bytes) |
objects count |
tsmin / tsavg / tsmax (ms) |
|---|---|---|---|---|---|---|---|---|
| testimage2r4096.jpg | 4096 x 4096 | 4 | 1024 | 1024 | 1048576 | 131072 | 3 | 195 / 195 / 198 |
| testimage2r4096.jpg | 4096 x 4096 | 8 | 512 | 512 | 262144 | 32768 | 3 | 69 / 69 / 70 |
| testimage2r4096.jpg | 4096 x 4096 | 16 | 256 | 256 | 65536 | 8192 | 3 | 37 / 37 / 38 |
| testimage2r4096.jpg | 4096 x 4096 | 32 | 128 | 128 | 16384 | 2048 | 3 | 25 / 25 / 26 |
| filename | imageWidth / imageHeight (pixels) |
cellsize (pixels) |
cellsw (cells) |
cellsh (cells) |
total (cells) |
buffsize (bytes) |
objects count |
tsmin / tsavg / tsmax (ms) |
|---|---|---|---|---|---|---|---|---|
| testimage3r1080p.jpg | 1920 x 1080 | 2 | 960 | 540 | 518400 | 64800 | 9 | 54 / 54 / 57 |
| testimage3r1080p.jpg | 1920 x 1080 | 4 | 480 | 270 | 129600 | 16200 | 9 | 16 / 16 / 17 |
| testimage3r1080p.jpg | 1920 x 1080 | 8 | 240 | 135 | 32400 | 4050 | 9 | 6 / 6 / 10 |
| testimage3r1080p.jpg | 1920 x 1080 | 16 | 120 | 68 | 8160 | 1020 | 9 | 2 / 2 / 5 |
| filename | imageWidth / imageHeight (pixels) |
cellsize (pixels) |
cellsw (cells) |
cellsh (cells) |
total (cells) |
buffsize (bytes) |
objects count |
tsmin / tsavg / tsmax (ms) |
|---|---|---|---|---|---|---|---|---|
| testimage4r1080p.jpg | 1920 x 1080 | 1 | 1920 | 1080 | 2073600 | 259200 | 2357 | 3282 / 3285 / 3289 |
| testimage4r1080p.jpg | 1920 x 1080 | 2 | 960 | 540 | 518400 | 64800 | 2141 | 751 / 752 / 754 |
| filename | imageWidth / imageHeight (pixels) |
cellsize (pixels) |
cellsw (cells) |
cellsh (cells) |
total (cells) |
buffsize (bytes) |
objects count |
tsmin / tsavg / tsmax (ms) |
|---|---|---|---|---|---|---|---|---|
| testimage5rvga.jpg | 640 x 480 | 1 | 640 | 480 | 307200 | 38400 | 12 | 62 / 62 / 67 |
| testimage5rvga.jpg | 640 x 480 | 2 | 320 | 240 | 76800 | 9600 | 12 | 12 / 12 / 17 |
| testimage5rvga.jpg | 640 x 480 | 4 | 160 | 120 | 19200 | 2400 | 12 | 2 / 2 / 3 |
| testimage5rvga.jpg | 640 x 480 | 8 | 80 | 60 | 4800 | 600 | 12 | 1 / 1 / 2 |
| testimage5rvga.jpg | 640 x 480 | 16 | 40 | 30 | 1200 | 150 | 5 | 0 / 0 / 0 |
| filename | imageWidth / imageHeight (pixels) |
cellsize (pixels) |
cellsw (cells) |
cellsh (cells) |
total (cells) |
buffsize (bytes) |
objects count |
tsmin / tsavg / tsmax (ms) |
|---|---|---|---|---|---|---|---|---|
| testimage6rsvga.jpg | 800 x 600 | 1 | 800 | 600 | 480000 | 60000 | 27 | 40 / 40 / 44 |
| testimage6rsvga.jpg | 800 x 600 | 2 | 400 | 300 | 120000 | 15000 | 26 | 9 / 9 / 13 |
| testimage6rsvga.jpg | 800 x 600 | 4 | 200 | 150 | 30000 | 3750 | 26 | 3 / 3 / 6 |
| testimage6rsvga.jpg | 800 x 600 | 8 | 100 | 75 | 7500 | 938 | 26 | 1 / 1 / 2 |
| testimage6rsvga.jpg | 800 x 600 | 16 | 50 | 38 | 1900 | 238 | 18 | 0 / 0 / 2 |
| filename | imageWidth / imageHeight (pixels) |
cellsize (pixels) |
cellsw (cells) |
cellsh (cells) |
total (cells) |
buffsize (bytes) |
objects count |
tsmin / tsavg / tsmax (ms) |
|---|---|---|---|---|---|---|---|---|
| testimage7r720p.jpg | 1280 x 720 | 1 | 1280 | 720 | 921600 | 115200 | 26 | 82 / 87 / 96 |
| testimage7r720p.jpg | 1280 x 720 | 2 | 640 | 360 | 230400 | 28800 | 26 | 19 / 20 / 23 |
| testimage7r720p.jpg | 1280 x 720 | 4 | 320 | 180 | 57600 | 7200 | 26 | 6 / 6 / 7 |
| testimage7r720p.jpg | 1280 x 720 | 8 | 160 | 90 | 14400 | 1800 | 26 | 2 / 2 / 5 |
| testimage7r720p.jpg | 1280 x 720 | 16 | 80 | 45 | 3600 | 450 | 26 | 1 / 1 / 3 |
Benchmark Results 3
| Param | Description |
|---|---|
| CPU Model name | Orange Pi PC Plus (Allwinner H3, ARM Cortex-A7, ARMv7-A, 32-bit) |
| Compile Options | -O3 -march=native -mfloat-abi=hard -fomit-frame-pointer -flto -funroll-loops |
| Pass count | 16 |
| filename | imageWidth / imageHeight (pixels) |
cellsize (pixels) |
cellsw (cells) |
cellsh (cells) |
total (cells) |
buffsize (bytes) |
objects count |
tsmin / tsavg / tsmax (ms) |
|---|---|---|---|---|---|---|---|---|
| testimage1r4096.jpg | 4096 x 4096 | 4 | 1024 | 1024 | 1048576 | 131072 | 6 | 1301 / 1302 / 1304 |
| testimage1r4096.jpg | 4096 x 4096 | 8 | 512 | 512 | 262144 | 32768 | 6 | 518 / 518 / 519 |
| testimage1r4096.jpg | 4096 x 4096 | 16 | 256 | 256 | 65536 | 8192 | 6 | 292 / 294 / 316 |
| testimage1r4096.jpg | 4096 x 4096 | 32 | 128 | 128 | 16384 | 2048 | 6 | 191 / 191 / 192 |
| filename | imageWidth / imageHeight (pixels) |
cellsize (pixels) |
cellsw (cells) |
cellsh (cells) |
total (cells) |
buffsize (bytes) |
objects count |
tsmin / tsavg / tsmax (ms) |
|---|---|---|---|---|---|---|---|---|
| testimage2r4096.jpg | 4096 x 4096 | 4 | 1024 | 1024 | 1048576 | 131072 | 3 | 1421 / 1423 / 1440 |
| testimage2r4096.jpg | 4096 x 4096 | 8 | 512 | 512 | 262144 | 32768 | 3 | 447 / 449 / 456 |
| testimage2r4096.jpg | 4096 x 4096 | 16 | 256 | 256 | 65536 | 8192 | 3 | 259 / 261 / 279 |
| testimage2r4096.jpg | 4096 x 4096 | 32 | 128 | 128 | 16384 | 2048 | 3 | 172 / 172 / 173 |
| filename | imageWidth / imageHeight (pixels) |
cellsize (pixels) |
cellsw (cells) |
cellsh (cells) |
total (cells) |
buffsize (bytes) |
objects count |
tsmin / tsavg / tsmax (ms) |
|---|---|---|---|---|---|---|---|---|
| testimage3r1080p.jpg | 1920 x 1080 | 2 | 960 | 540 | 518400 | 64800 | 9 | 385 / 385 / 386 |
| testimage3r1080p.jpg | 1920 x 1080 | 4 | 480 | 270 | 129600 | 16200 | 9 | 119 / 119 / 119 |
| testimage3r1080p.jpg | 1920 x 1080 | 8 | 240 | 135 | 32400 | 4050 | 9 | 45 / 45 / 45 |
| testimage3r1080p.jpg | 1920 x 1080 | 16 | 120 | 68 | 8160 | 1020 | 9 | 26 / 26 / 27 |
| filename | imageWidth / imageHeight (pixels) |
cellsize (pixels) |
cellsw (cells) |
cellsh (cells) |
total (cells) |
buffsize (bytes) |
objects count |
tsmin / tsavg / tsmax (ms) |
|---|---|---|---|---|---|---|---|---|
| testimage4r1080p.jpg | 1920 x 1080 | 1 | 1920 | 1080 | 2073600 | 259200 | 2357 | 22110 / 22126 / 22175 |
| testimage4r1080p.jpg | 1920 x 1080 | 2 | 960 | 540 | 518400 | 64800 | 2141 | 5033 / 5036 / 5059 |
| filename | imageWidth / imageHeight (pixels) |
cellsize (pixels) |
cellsw (cells) |
cellsh (cells) |
total (cells) |
buffsize (bytes) |
objects count |
tsmin / tsavg / tsmax (ms) |
|---|---|---|---|---|---|---|---|---|
| testimage5rvga.jpg | 640 x 480 | 1 | 640 | 480 | 307200 | 38400 | 12 | 438 / 438 / 439 |
| testimage5rvga.jpg | 640 x 480 | 2 | 320 | 240 | 76800 | 9600 | 12 | 82 / 82 / 83 |
| testimage5rvga.jpg | 640 x 480 | 4 | 160 | 120 | 19200 | 2400 | 12 | 16 / 16 / 17 |
| testimage5rvga.jpg | 640 x 480 | 8 | 80 | 60 | 4800 | 600 | 12 | 6 / 7 / 18 |
| testimage5rvga.jpg | 640 x 480 | 16 | 40 | 30 | 1200 | 150 | 5 | 2 / 2 / 3 |
| filename | imageWidth / imageHeight (pixels) |
cellsize (pixels) |
cellsw (cells) |
cellsh (cells) |
total (cells) |
buffsize (bytes) |
objects count |
tsmin / tsavg / tsmax (ms) |
|---|---|---|---|---|---|---|---|---|
| testimage6rsvga.jpg | 800 x 600 | 1 | 800 | 600 | 480000 | 60000 | 27 | 285 / 285 / 286 |
| testimage6rsvga.jpg | 800 x 600 | 2 | 400 | 300 | 120000 | 15000 | 26 | 68 / 68 / 68 |
| testimage6rsvga.jpg | 800 x 600 | 4 | 200 | 150 | 30000 | 3750 | 26 | 24 / 24 / 25 |
| testimage6rsvga.jpg | 800 x 600 | 8 | 100 | 75 | 7500 | 938 | 26 | 10 / 10 / 11 |
| testimage6rsvga.jpg | 800 x 600 | 16 | 50 | 38 | 1900 | 238 | 18 | 6 / 6 / 6 |
| filename | imageWidth / imageHeight (pixels) |
cellsize (pixels) |
cellsw (cells) |
cellsh (cells) |
total (cells) |
buffsize (bytes) |
objects count |
tsmin / tsavg / tsmax (ms) |
|---|---|---|---|---|---|---|---|---|
| testimage7r720p.jpg | 1280 x 720 | 1 | 1280 | 720 | 921600 | 115200 | 26 | 584 / 584 / 591 |
| testimage7r720p.jpg | 1280 x 720 | 2 | 640 | 360 | 230400 | 28800 | 26 | 135 / 135 / 136 |
| testimage7r720p.jpg | 1280 x 720 | 4 | 320 | 180 | 57600 | 7200 | 26 | 48 / 48 / 49 |
| testimage7r720p.jpg | 1280 x 720 | 8 | 160 | 90 | 14400 | 1800 | 26 | 21 / 21 / 21 |
| testimage7r720p.jpg | 1280 x 720 | 16 | 80 | 45 | 3600 | 450 | 26 | 12 / 12 / 13 |
Note: Objects do not disappear at higher cell sizes; some simply merge together due to downsampling.
Project compilation for different target platforms
Intel i5-1135G7
mkdir build-intel && cd build-intel
cmake -DCMAKE_TOOLCHAIN_FILE=../toolchain-intel.cmake ..
make -j$(nproc)
AMD FX-8300
mkdir build-amd && cd build-amd
cmake -DCMAKE_TOOLCHAIN_FILE=../toolchain-amd.cmake ..
make -j$(nproc)
Orange Pi PC Plus (ARM Cortex-A7)
mkdir build-arm && cd build-arm
cmake -DCMAKE_TOOLCHAIN_FILE=../toolchain-opi-pc-plus.cmake ..
make -j2
Common camera image resolutions
| Name | Resolution | Aspect ratio |
|---|---|---|
| VGA | 640 × 480 | 4:3 |
| SVGA | 800 × 600 | 4:3 |
| XGA | 1024 × 768 | 4:3 |
| HD 720p | 1280 × 720 | 16:9 |
| SXGA | 1280 × 1024 | 5:4 |
| UXGA | 1600 × 1200 | 4:3 |
| FHD 1080p | 1920 × 1080 | 16:9 |
| QSXGA | 2592 × 1944 | 4:3 |
| 4K UHD | 3840 × 2160 | 16:9 |
© 2026 V01G04A81 / Viktor Glebov