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Update to v1.1.0
1 parent bd0bb8b commit c46162d

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lines changed

‎Inc/cascade.h‎

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/**
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******************************************************************************
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* @file cascade.h
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* @author MDG Application Team
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2024 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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*/
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#ifdef STM32IPL_ENABLE_OBJECT_DETECTION // STM32IPL
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#ifdef STM32IPL_ENABLE_FRONTAL_FACE_CASCADE // STM32IPL

‎Inc/filter_int.h‎

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/**
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******************************************************************************
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* @file filter_int.h
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* @author AIS Team
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* @brief Image processing library filter functions
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2025 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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*/
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#ifndef __FILTER_INT_H__
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#define __FILTER_INT_H__
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#include "stm32ipl_imlib.h"
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#include "stm32ipl_imlib_int.h"
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#ifdef IMLIB_ENABLE_MEDIAN
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static inline uint8_t hist_median(uint8_t *data, int len, const int cutoff)
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{
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int i = 0;
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#if defined(ARM_MATH_CM7) || defined(ARM_MATH_CM4) || defined(ARM_MATH_MVEI)
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uint32_t oldsum=0, sum32 = 0;
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#ifdef IPL_FILTER_HAS_MVE
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for (i = 0; i < len; i += 16) { /* work 16 at time with MVE */
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sum32 += vaddvq_u8(vldrbq_u8(&data[i]));
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if ((int32_t)sum32 >= cutoff) { /* within this group */
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break;
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} /* if we're at the last 16 values */
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oldsum = sum32;
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} /* for each group of 16 elements */
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sum32 = oldsum;
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#endif /* IPL_FILTER_HAS_MVE */
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for (; i < len; i += 4) { /* work 4 at time with SIMD */
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sum32 = __USADA8(*(uint32_t *)&data[i], 0, sum32);
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if ((int32_t)sum32 >= cutoff) { /* within this group */
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while ((int32_t)oldsum < cutoff && i < len)
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oldsum += data[i++];
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break;
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} /* if we're at the last 4 values */
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oldsum = sum32;
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} /* for each group of 4 elements */
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#else /* generic C version */
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int sum = 0;
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for (i = 0; i < len && sum < cutoff; i++) {
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sum += data[i];
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}
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#endif
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return i-1;
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} /* hist_median() */
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#endif /* IMLIB_ENABLE_MEDIAN */
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#endif /* __FILTER_INT_H__ */

‎Inc/imlib_config.h‎

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// Enable STM32 DMA2D
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//#define IMLIB_ENABLE_DMA2D
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#ifdef IPL_RESIZE_ROUNDING
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#define IPL_RESIZE_PEL_IDX_ROUNDING (1 << 15)
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#else
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#define IPL_RESIZE_PEL_IDX_ROUNDING (0)
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#endif
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#endif //__IMLIB_CONFIG_H__

‎Inc/mve_binary.h‎

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/**
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******************************************************************************
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* @file mve_binary.h
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* @author AIS Team
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* @brief MVE Image processing library binary functions
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2025 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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*/
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#ifndef __MVE_BINARY__
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#define __MVE_BINARY__
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#include "imlib.h"
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void mve_imlib_binary_binary(image_t *out, image_t *img, color_thresholds_list_lnk_data_t *thresholds, bool invert, bool zero, image_t *mask);
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void mve_imlib_binary_grayscale(image_t *out, image_t *img, color_thresholds_list_lnk_data_t *thresholds, bool invert, bool zero, image_t *mask);
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void mve_imlib_binary_rgb565(image_t *out, image_t *img, color_thresholds_list_lnk_data_t *thresholds, bool invert, bool zero, image_t *mask);
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void mve_imlib_binary_rgb888(image_t *out, image_t *img, color_thresholds_list_lnk_data_t *thresholds, bool invert, bool zero, image_t *mask);
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int mve_imlib_erode_dilate_grayscale(image_t *img, int ksize, int threshold, int e_or_d, image_t *mask);
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#endif /* __MVE_BINARY__ */

‎Inc/mve_draw.h‎

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/**
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******************************************************************************
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* @file mve_draw.h
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* @author AIS Team
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* @brief MVE Image processing library drawing functions with 8-bits
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* inputs/outputs
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2025 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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*/
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#ifndef __MVE_DRAW__
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#define __MVE_DRAW__
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#include "arm_math.h"
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#include "imlib.h"
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void point_fill_mve(image_t *img, int cx, int cy, int r0, int r1, int c);
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void point_fill_mve_binary(image_t *img, int cx, int cy, int r0, int r1, int c);
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void point_fill_mve_grayscale(image_t *img, int cx, int cy, int r0, int r1, int c);
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void point_fill_mve_rgb888(image_t *img, int cx, int cy, int r0, int r1, int c);
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void point_fill_mve_rgb565(image_t *img, int cx, int cy, int r0, int r1, int c);
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#endif /* __MVE_DRAW__ */

‎Inc/mve_filter.h‎

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/**
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******************************************************************************
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* @file mve_filter.h
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* @author AIS Team
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* @brief MVE Image processing library filter functions with 8-bits
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* inputs/outputs
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2024 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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*/
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#ifndef __MVE_FILTER__
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#define __MVE_FILTER__
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#include "arm_math.h"
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#include "imlib.h"
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int mve_imlib_median_filter_grayscale(image_t *img, const int ksize, float percentile, bool threshold, int offset, bool invert, image_t *mask);
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int mve_imlib_morph_u8(image_t *img, const int ksize, const uint8_t *krn, const float m, const int b, bool threshold, int offset, bool invert, image_t *mask);
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#endif /* __MVE_FILTER__ */

‎Inc/mve_imlib.h‎

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/**
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******************************************************************************
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* @file mve_imlib.h
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* @author AIS Team
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* @brief MVE Image processing library generic optimized functions
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2025 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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*/
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#ifndef __MVE_IMLIB_H__
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#define __MVE_IMLIB_H__
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#include "stm32ipl_imlib.h"
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#include "stm32ipl_imlib_int.h"
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mve_pred16_t mve_image_get_mask_pixel(image_t *ptr, int x, int y);
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#endif /* __MVE_IMLIB_H__ */

‎Inc/mve_matop.h‎

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/**
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******************************************************************************
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* @file mve_matop.h
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* @author AIS Team
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* @brief MVE Image processing library mathematic operation optimized functions
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2025 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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*/
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#ifndef __MVE_MATOP_H__
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#define __MVE_MATOP_H__
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#include "stm32ipl_imlib.h"
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#include "stm32ipl_imlib_int.h"
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#include "mve_imlib.h"
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static inline void mve_imlib_difference_line_op_grayscale(image_t *img, int line, void *other, image_t *mask)
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{
30+
uint8_t *p_data_0 = IMAGE_COMPUTE_GRAYSCALE_PIXEL_ROW_PTR(img, line);
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uint8_t *p_data_1 = (uint8_t *)other;
32+
if (NULL == mask) {
33+
for (int i = 0; i < img->w; i+=16) {
34+
mve_pred16_t p = vctp8q(img->w-i);
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uint8x16_t u8x16_data_0 = vldrbq_z_u8(p_data_0, p);
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uint8x16_t u8x16_data_1 = vldrbq_z_u8(p_data_1, p);
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uint8x16_t u8x16_data_out = vabdq_u8(u8x16_data_0, u8x16_data_1);
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vstrbq_p_u8(p_data_0, u8x16_data_out, p);
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p_data_0 += 16;
40+
p_data_1 += 16;
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}
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}
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else
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{
45+
for (int i = 0; i < img->w; i+=16) {
46+
mve_pred16_t p_mask = mve_image_get_mask_pixel(mask, i, line);
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uint8x16_t u8x16_data_0 = vldrbq_z_u8(p_data_0, p_mask);
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uint8x16_t u8x16_data_1 = vldrbq_z_u8(p_data_1, p_mask);
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uint8x16_t u8x16_data_out = vabdq_u8(u8x16_data_0, u8x16_data_1);
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vstrbq_p_u8(p_data_0, u8x16_data_out, p_mask);
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p_data_0 += 16;
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p_data_1 += 16;
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}
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}
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}
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static inline void mve_imlib_difference_line_op_rgb888(image_t *img, int line, void *other, image_t *mask)
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{
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rgb888_t *ptr_rgb888_0 = IMAGE_COMPUTE_RGB888_PIXEL_ROW_PTR(img, line);
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rgb888_t *ptr_rgb888_1 = (rgb888_t *)other;
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uint8x16_t u8x16_incr = vidupq_n_u8(0, 1) * 3;
62+
if (NULL == mask) {
63+
for (int i = 0; i < img->w; i+=16) {
64+
mve_pred16_t pred = vctp8q(img->w-i);
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uint8x16_t u8x16_r_0 = vldrbq_gather_offset_z_u8(&(ptr_rgb888_0->r), u8x16_incr, pred);
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uint8x16_t u8x16_g_0 = vldrbq_gather_offset_z_u8(&(ptr_rgb888_0->g), u8x16_incr, pred);
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uint8x16_t u8x16_b_0 = vldrbq_gather_offset_z_u8(&(ptr_rgb888_0->b), u8x16_incr, pred);
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uint8x16_t u8x16_r_1 = vldrbq_gather_offset_z_u8(&(ptr_rgb888_1->r), u8x16_incr, pred);
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uint8x16_t u8x16_g_1 = vldrbq_gather_offset_z_u8(&(ptr_rgb888_1->g), u8x16_incr, pred);
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uint8x16_t u8x16_b_1 = vldrbq_gather_offset_z_u8(&(ptr_rgb888_1->b), u8x16_incr, pred);
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uint8x16_t u8x16_data_out;
72+
u8x16_data_out = vabdq_u8(u8x16_r_0, u8x16_r_1);
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vstrbq_scatter_offset_p_u8(&(ptr_rgb888_0->r), u8x16_incr, u8x16_data_out, pred);
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u8x16_data_out = vabdq_u8(u8x16_g_0, u8x16_g_1);
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vstrbq_scatter_offset_p_u8(&(ptr_rgb888_0->g), u8x16_incr, u8x16_data_out, pred);
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u8x16_data_out = vabdq_u8(u8x16_b_0, u8x16_b_1);
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vstrbq_scatter_offset_p_u8(&(ptr_rgb888_0->b), u8x16_incr, u8x16_data_out, pred);
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ptr_rgb888_0 += 16;
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ptr_rgb888_1 += 16;
80+
}
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}
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else
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{
84+
for (int i = 0; i < img->w; i+=16) {
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mve_pred16_t pred = mve_image_get_mask_pixel(mask, i, line);
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uint8x16_t u8x16_r_0 = vldrbq_gather_offset_z_u8(&(ptr_rgb888_0->r), u8x16_incr, pred);
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uint8x16_t u8x16_g_0 = vldrbq_gather_offset_z_u8(&(ptr_rgb888_0->g), u8x16_incr, pred);
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uint8x16_t u8x16_b_0 = vldrbq_gather_offset_z_u8(&(ptr_rgb888_0->b), u8x16_incr, pred);
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uint8x16_t u8x16_r_1 = vldrbq_gather_offset_z_u8(&(ptr_rgb888_1->r), u8x16_incr, pred);
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uint8x16_t u8x16_g_1 = vldrbq_gather_offset_z_u8(&(ptr_rgb888_1->g), u8x16_incr, pred);
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uint8x16_t u8x16_b_1 = vldrbq_gather_offset_z_u8(&(ptr_rgb888_1->b), u8x16_incr, pred);
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uint8x16_t u8x16_data_out;
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u8x16_data_out = vabdq_u8(u8x16_r_0, u8x16_r_1);
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vstrbq_scatter_offset_p_u8(&(ptr_rgb888_0->r), u8x16_incr, u8x16_data_out, pred);
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u8x16_data_out = vabdq_u8(u8x16_g_0, u8x16_g_1);
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vstrbq_scatter_offset_p_u8(&(ptr_rgb888_0->g), u8x16_incr, u8x16_data_out, pred);
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u8x16_data_out = vabdq_u8(u8x16_b_0, u8x16_b_1);
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vstrbq_scatter_offset_p_u8(&(ptr_rgb888_0->b), u8x16_incr, u8x16_data_out, pred);
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ptr_rgb888_0 += 16;
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ptr_rgb888_1 += 16;
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}
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}
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}
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#endif /* __MVE_MATOP_H__ */

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