image.cpp File Reference

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Macros
#define	_GNU_SOURCE

Functions
static void	add_pixel (image m, int x, int y, int c, float val)
int	best_3d_shift (image a, image b, int min, int max)
int	best_3d_shift_r (image a, image b, int min, int max)
float	bilinear_interpolate (image im, float x, float y, int c)
image	blend_image (image fore, image back, float alpha)
image	border_image (image a, int border)
image	collapse_image_layers (image source, int border)
image	collapse_images_horz (image *ims, int n)
image	collapse_images_vert (image *ims, int n)
int	compare_by_lefts (const void *a_ptr, const void *b_ptr)
int	compare_by_probs (const void *a_ptr, const void *b_ptr)
void	composite_3d (char *f1, char *f2, char *out, int delta)
void	composite_image (image source, image dest, int dx, int dy)
void	constrain_image (image im)
image	copy_image (image p)
void	copy_image_from_bytes (image im, char *pdata)
void	copy_image_inplace (image src, image dst)
image	crop_image (image im, int dx, int dy, int w, int h)
void	distort_image (image im, float hue, float sat, float val)
void	draw_bbox (image a, box bbox, int w, float r, float g, float b)
void	draw_box (image a, int x1, int y1, int x2, int y2, float r, float g, float b)
void	draw_box_bw (image a, int x1, int y1, int x2, int y2, float brightness)
void	draw_box_width (image a, int x1, int y1, int x2, int y2, int w, float r, float g, float b)
void	draw_box_width_bw (image a, int x1, int y1, int x2, int y2, int w, float brightness)
void	draw_detections (image im, int num, float thresh, box *boxes, float **probs, char **names, int classes)
	This is still called from a few isolated places, but you're probably looking for draw_detections_v3().
void	draw_detections_v3 (image im, detection *dets, int num, float thresh, char **names, int classes, int ext_output)
	This is the function that is called to draw annotations on an image.
void	draw_label (image a, int r, int c, image label, const float *rgb)
void	draw_weighted_label (image a, int r, int c, image label, const float *rgb, const float alpha)
void	embed_image (image source, image dest, int dx, int dy)
void	fill_image (image m, float s)
void	flip_image (image a)
image	float_to_image (int w, int h, int c, float *data)
image	float_to_image_scaled (int w, int h, int c, float *data)
void	free_image (image m)
detection_with_class *	get_actual_detections (detection *dets, int dets_num, float thresh, int *selected_detections_num, char **names)
	Creates array of detections with prob > thresh and fills best_class for them Return number of selected detections in *selected_detections_num.
float	get_color (int c, int x, int max)
image	get_image_layer (image m, int l)
image	get_label (image **characters, char *string, int size)
image	get_label_v3 (image **characters, char *string, int size)
image	get_opencv_label (const std::string &str, const int area)
static float	get_pixel (image m, int x, int y, int c)
static float	get_pixel_extend (image m, int x, int y, int c)
image	grayscale_image (image im)
void	hsv_to_rgb (image im)
image	image_distance (image a, image b)
image	letterbox_image (image im, int w, int h)
void	letterbox_image_into (image im, int w, int h, image boxed)
image	load_image (char *filename, int desired_width, int desired_height, int channels)
	Load the given image.
image	make_attention_image (int img_size, float *original_delta_cpu, float *original_input_cpu, int w, int h, int c, float alpha)
image	make_empty_image (int w, int h, int c)
image	make_image (int w, int h, int c)
void	make_image_red (image im)
image	make_random_image (int w, int h, int c)
void	normalize_image (image p)
void	normalize_image2 (image p)
void	print_image (image m)
void	quantize_image (image im)
image	random_augment_image (image im, float angle, float aspect, int low, int high, int size)
image	random_crop_image (image im, int w, int h)
void	random_distort_image (image im, float hue, float saturation, float exposure)
image	resize_image (image im, int w, int h)
image	resize_max (image im, int max)
image	resize_min (image im, int min)
void	rgb_to_hsv (image im)
void	rgbgr_image (image im)
image	rotate_crop_image (image im, float rad, float s, int w, int h, float dx, float dy, float aspect)
image	rotate_image (image im, float rad)
void	rotate_image_cw (image im, int times)
void	save_image (image im, const char *name)
void	save_image_jpg (image im, const char *name)
void	save_image_options (image im, const char *name, IMTYPE f, int quality)
void	save_image_png (image im, const char *name)
void	scale_image (image m, float s)
void	scale_image_channel (image im, int c, float v)
static void	set_pixel (image m, int x, int y, int c, float val)
void	show_image (image p, const char *name)
void	show_image_collapsed (image p, char *name)
void	show_image_layers (image p, char *name)
void	show_image_normalized (image im, const char *name)
void	show_images (image *ims, int n, const char *window)
void	test_resize (char *filename)
float	three_way_max (float a, float b, float c)
float	three_way_min (float a, float b, float c)
image	threshold_image (image im, float thresh)
image	tile_images (image a, image b, int dx)
void	translate_image (image m, float s)
void	translate_image_channel (image im, int c, float v)
void	transpose_image (image im)

Variables
float	colors [6][3] = { {1,0,1}, {0,0,1},{0,1,1},{0,1,0},{1,1,0},{1,0,0} }

Macro Definition Documentation

_GNU_SOURCE

#define _GNU_SOURCE

Function Documentation

add_pixel()

static void add_pixel ( image  m, int  x, int  y, int  c, float  val  )

static

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best_3d_shift()

int best_3d_shift	(	image	a,
		image	b,
		int	min,
		int	max
	)

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best_3d_shift_r()

int best_3d_shift_r	(	image	a,
		image	b,
		int	min,
		int	max
	)

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bilinear_interpolate()

float bilinear_interpolate	(	image	im,
		float	x,
		float	y,
		int	c
	)

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blend_image()

image blend_image	(	image	fore,
		image	back,
		float	alpha
	)

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border_image()

image border_image	(	image	a,
		int	border
	)

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collapse_image_layers()

image collapse_image_layers	(	image	source,
		int	border
	)

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collapse_images_horz()

image collapse_images_horz	(	image *	ims,
		int	n
	)

<

Todo:

#COLOR

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collapse_images_vert()

image collapse_images_vert	(	image *	ims,
		int	n
	)

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compare_by_lefts()

int compare_by_lefts	(	const void *	a_ptr,
		const void *	b_ptr
	)

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compare_by_probs()

int compare_by_probs	(	const void *	a_ptr,
		const void *	b_ptr
	)

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composite_3d()

void composite_3d	(	char *	f1,
		char *	f2,
		char *	out,
		int	delta
	)

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composite_image()

void composite_image	(	image	source,
		image	dest,
		int	dx,
		int	dy
	)

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constrain_image()

void constrain_image

(

image

im

)

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copy_image()

image copy_image

(

image

p

)

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copy_image_from_bytes()

void copy_image_from_bytes	(	image	im,
		char *	pdata
	)

copy_image_inplace()

void copy_image_inplace	(	image	src,
		image	dst
	)

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crop_image()

image crop_image	(	image	im,
		int	dx,
		int	dy,
		int	w,
		int	h
	)

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distort_image()

void distort_image	(	image	im,
		float	hue,
		float	sat,
		float	val
	)

Todo:

#COLOR - needs to be fixed for 1 <= c <= N

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draw_bbox()

void draw_bbox	(	image	a,
		box	bbox,
		int	w,
		float	r,
		float	g,
		float	b
	)

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draw_box()

void draw_box	(	image	a,
		int	x1,
		int	y1,
		int	x2,
		int	y2,
		float	r,
		float	g,
		float	b
	)

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draw_box_bw()

void draw_box_bw	(	image	a,
		int	x1,
		int	y1,
		int	x2,
		int	y2,
		float	brightness
	)

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draw_box_width()

void draw_box_width	(	image	a,
		int	x1,
		int	y1,
		int	x2,
		int	y2,
		int	w,
		float	r,
		float	g,
		float	b
	)

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draw_box_width_bw()

void draw_box_width_bw	(	image	a,
		int	x1,
		int	y1,
		int	x2,
		int	y2,
		int	w,
		float	brightness
	)

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draw_detections()

void draw_detections	(	image	im,
		int	num,
		float	thresh,
		box *	boxes,
		float **	probs,
		char **	names,
		int	classes
	)

This is still called from a few isolated places, but you're probably looking for draw_detections_v3().

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draw_detections_v3()

void draw_detections_v3	(	image	im,
		detection *	dets,
		int	num,
		float	thresh,
		char **	names,
		int	classes,
		int	ext_output
	)

This is the function that is called to draw annotations on an image.

Todo:

replace qsort() mid priority

Todo:

replace qsort() mid priority

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draw_label()

void draw_label	(	image	a,
		int	r,
		int	c,
		image	label,
		const float *	rgb
	)

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draw_weighted_label()

void draw_weighted_label	(	image	a,
		int	r,
		int	c,
		image	label,
		const float *	rgb,
		const float	alpha
	)

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embed_image()

void embed_image	(	image	source,
		image	dest,
		int	dx,
		int	dy
	)

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fill_image()

void fill_image	(	image	m,
		float	s
	)

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flip_image()

void flip_image

(

image

a

)

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float_to_image()

image float_to_image	(	int	w,
		int	h,
		int	c,
		float *	data
	)

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float_to_image_scaled()

image float_to_image_scaled	(	int	w,
		int	h,
		int	c,
		float *	data
	)

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free_image()

void free_image

(

image

m

)

get_actual_detections()

detection_with_class * get_actual_detections	(	detection *	dets,
		int	dets_num,
		float	thresh,
		int *	selected_detections_num,
		char **	names
	)

Creates array of detections with prob > thresh and fills best_class for them Return number of selected detections in *selected_detections_num.

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get_color()

float get_color	(	int	c,
		int	x,
		int	max
	)

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get_image_layer()

image get_image_layer	(	image	m,
		int	l
	)

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get_label()

image get_label	(	image **	characters,
		char *	string,
		int	size
	)

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get_label_v3()

image get_label_v3	(	image **	characters,
		char *	string,
		int	size
	)

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get_opencv_label()

image get_opencv_label	(	const std::string &	str,
		const int	area
	)

Todo:

what are the performance implications of LINE_AA over LINE_4 or LINE_8?

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get_pixel()

static float get_pixel ( image  m, int  x, int  y, int  c  )

static

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get_pixel_extend()

static float get_pixel_extend ( image  m, int  x, int  y, int  c  )

static

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grayscale_image()

image grayscale_image

(

image

im

)

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hsv_to_rgb()

void hsv_to_rgb

(

image

im

)

Todo:

#COLOR - cannot do HSV if channels > 3

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image_distance()

image image_distance	(	image	a,
		image	b
	)

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letterbox_image()

image letterbox_image	(	image	im,
		int	w,
		int	h
	)

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letterbox_image_into()

void letterbox_image_into	(	image	im,
		int	w,
		int	h,
		image	boxed
	)

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load_image()

image load_image	(	char *	filename,
		int	desired_width,
		int	desired_height,
		int	channels
	)

Load the given image.

If both desired_width and desired_height have been set, then the image will be resized to match those dimensions. Otherwise, specify 0 (zero) to leave the image dimensions unchanged.

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make_attention_image()

image make_attention_image	(	int	img_size,
		float *	original_delta_cpu,
		float *	original_input_cpu,
		int	w,
		int	h,
		int	c,
		float	alpha
	)

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make_empty_image()

image make_empty_image	(	int	w,
		int	h,
		int	c
	)

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make_image()

image make_image	(	int	w,
		int	h,
		int	c
	)

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make_image_red()

void make_image_red

(

image

im

)

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make_random_image()

image make_random_image	(	int	w,
		int	h,
		int	c
	)

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normalize_image()

void normalize_image

(

image

p

)

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normalize_image2()

void normalize_image2

(

image

p

)

print_image()

void print_image

(

image

m

)

quantize_image()

void quantize_image

(

image

im

)

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random_augment_image()

image random_augment_image	(	image	im,
		float	angle,
		float	aspect,
		int	low,
		int	high,
		int	size
	)

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random_crop_image()

image random_crop_image	(	image	im,
		int	w,
		int	h
	)

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random_distort_image()

void random_distort_image	(	image	im,
		float	hue,
		float	saturation,
		float	exposure
	)

Todo:

#COLOR - HSV no beuno

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resize_image()

image resize_image	(	image	im,
		int	w,
		int	h
	)

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resize_max()

image resize_max	(	image	im,
		int	max
	)

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resize_min()

image resize_min	(	image	im,
		int	min
	)

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rgb_to_hsv()

void rgb_to_hsv

(

image

im

)

Todo:

#COLOR - cannot do HSV if channels > 3

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rgbgr_image()

void rgbgr_image

(

image

im

)

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rotate_crop_image()

image rotate_crop_image	(	image	im,
		float	rad,
		float	s,
		int	w,
		int	h,
		float	dx,
		float	dy,
		float	aspect
	)

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rotate_image()

image rotate_image	(	image	im,
		float	rad
	)

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rotate_image_cw()

void rotate_image_cw	(	image	im,
		int	times
	)

save_image()

void save_image	(	image	im,
		const char *	name
	)

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save_image_jpg()

void save_image_jpg	(	image	im,
		const char *	name
	)

Todo:

merge with save_mat_jpg()

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save_image_options()

void save_image_options	(	image	im,
		const char *	name,
		IMTYPE	f,
		int	quality
	)

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save_image_png()

void save_image_png	(	image	im,
		const char *	name
	)

Todo:

merge with save_mat_png()

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scale_image()

void scale_image	(	image	m,
		float	s
	)

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scale_image_channel()

void scale_image_channel	(	image	im,
		int	c,
		float	v
	)

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set_pixel()

static void set_pixel ( image  m, int  x, int  y, int  c, float  val  )

static

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show_image()

void show_image	(	image	p,
		const char *	name
	)

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show_image_collapsed()

void show_image_collapsed	(	image	p,
		char *	name
	)

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show_image_layers()

void show_image_layers	(	image	p,
		char *	name
	)

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show_image_normalized()

void show_image_normalized	(	image	im,
		const char *	name
	)

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show_images()

void show_images	(	image *	ims,
		int	n,
		const char *	window
	)

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test_resize()

void test_resize

(

char *

filename

)

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three_way_max()

float three_way_max	(	float	a,
		float	b,
		float	c
	)

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three_way_min()

float three_way_min	(	float	a,
		float	b,
		float	c
	)

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threshold_image()

image threshold_image	(	image	im,
		float	thresh
	)

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tile_images()

image tile_images	(	image	a,
		image	b,
		int	dx
	)

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translate_image()

void translate_image	(	image	m,
		float	s
	)

translate_image_channel()

void translate_image_channel	(	image	im,
		int	c,
		float	v
	)

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transpose_image()

void transpose_image

(

image

im

)

Variable Documentation

colors

float colors[6][3] = { {1,0,1}, {0,0,1},{0,1,1},{0,1,0},{1,1,0},{1,0,0} }