Crash while building new calibration table for YOLOv4 INT8 precision - failed to read calibration image

[zukelah]

Hi all,

I'm trying to build yolov4 engine with INT8 precision.

Output from the test_dll.exe:

File does not exist : ../configs/yolov4-kINT8-batch1.engine
Loading pre-trained weights...
Loading complete!
layer inp_size out_size weightPtr
(1) conv-bn-mish 3 x 416 x 416 32 x 416 x 416 992
(2) conv-bn-mish 32 x 416 x 416 64 x 208 x 208 19680
(3) conv-bn-mish 64 x 208 x 208 64 x 208 x 208 24032
(4) route - 64 x 208 x 208 24032
(5) conv-bn-mish 64 x 208 x 208 64 x 208 x 208 28384
(6) conv-bn-mish 64
.
.
.
(160) conv-bn-leaky 512 x 13 x 13 1024 x 13 x 13 64168030
(161) conv-linear 1024 x 13 x 13 255 x 13 x 13 64429405
(162) yolo 255 x 13 x 13 255 x 13 x 13 64429405
File does not exist : ../configs/yolov4-kINT8-batch1.engine
Building the TensorRT Engine...
New calibration table will be created to build the engine

Then the program crashed as it failed to read the calibration images listed in the configs\calibration_images.txt.

WARNING: couldn't find: ./data\imgs\000000000009.jpg while loading: ../configs/calibration_images.txt
WARNING: couldn't find: ./data\imgs\000000000025.jpg while loading: ../configs/calibration_images.txt
WARNING: couldn't find: ./data\imgs\000000000030.jpg while loading: ../configs/calibration_images.txt
WARNING: couldn't find: ./data\imgs\000000000034.jpg while loading: ../configs/calibration_images.txt

Where can I get these calibration images? Or can we skip the new calibration table creation?

Thank you in advance.

[enazoe]

the calibration images is the subset of your train dataset; can not skip the table creation

[zukelah]

Thanks.. it works now :)