diff options
Diffstat (limited to 'src/core/HOGInfo.cpp')
| -rw-r--r-- | src/core/HOGInfo.cpp | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/core/HOGInfo.cpp b/src/core/HOGInfo.cpp index 73f4c42041..4f99455b56 100644 --- a/src/core/HOGInfo.cpp +++ b/src/core/HOGInfo.cpp @@ -1,5 +1,5 @@ /* - * Copyright (c) 2016, 2018 ARM Limited. + * Copyright (c) 2016-2018 ARM Limited. * * SPDX-License-Identifier: MIT * @@ -61,7 +61,7 @@ void HOGInfo::init(const Size2D &cell_size, const Size2D &block_size, const Size _phase_type = phase_type; // Compute descriptor size. +1 takes into account of the bias - _descriptor_size = num_cells_per_block().area() * num_blocks_per_image(_detection_window_size).area() * _num_bins + 1; + _descriptor_size = num_cells_per_block().area() * num_block_positions_per_image(_detection_window_size).area() * _num_bins + 1; } Size2D HOGInfo::num_cells_per_block() const @@ -80,8 +80,10 @@ Size2D HOGInfo::num_cells_per_block_stride() const _block_stride.height / _cell_size.height); } -Size2D HOGInfo::num_blocks_per_image(const Size2D &image_size) const +Size2D HOGInfo::num_block_positions_per_image(const Size2D &image_size) const { + ARM_COMPUTE_ERROR_ON(_block_stride.width == 0 || _block_stride.height == 0); + return Size2D(((image_size.width - _block_size.width) / _block_stride.width) + 1, ((image_size.height - _block_size.height) / _block_stride.height) + 1); } |