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C_API: target.h

The target.h header provides definitions of OpenDR targets (inference outputs) that can be used in the C API of OpenDR.

struct OpenDRCategoryTargetT

struct OpenDRCategoryTarget{
    int data;
    float confidence;
};
typedef struct OpenDRCategoryTarget OpenDRCategoryTargetT;

The OpenDRCategoryTargetT structure provides a data structure for storing inference outputs of classification models. Every function in the C API that outputs a classification decision is expected to use this structure.

The OpenDRCategoryTargetT structure has the following fields:

int data field

A numerical id of the category to which the input objects belongs to.

float confidence field

The decision confidence (a value between 0 and 1).

struct OpenDRDetectionTargetT

struct OpenDRDetectionTarget {
  int name;
  float left;
  float top;
  float width;
  float height;
  float score;
};
typedef struct OpenDRDetectionTarget OpenDRDetectionTargetT;

The OpenDRDetectionTargetT structure provides a data structure for storing inference outputs of detection models. Every function in the C API that outputs a detection decision is expected to use this structure or a vector of this structure.

The OpenDRDetectionTargetT structure has the following fields:

int name field

A numerical id of the category to which the input objects belongs to.

float left field

A numerical value that corresponds to the X value of the top-left point of a detection.

float top field

A numerical value that corresponds to the Y value of the top-left point of a detection.

float width field

A numerical value that corresponds to the width of a detection.

float height field

A numerical value that corresponds to the height of a detection.

float score field

The decision score (a value between 0 and 1).

struct OpenDRDetectionVectorTargetT

struct OpenDRDetectionVectorTarget {
  OpenDRDetectionTargetT *startingPointer;
  int size;
};
typedef struct OpenDRDetectionVectorTarget OpenDRDetectionVectorTargetT;

The OpenDRDetectionVectorTargetT structure provides a data structure for storing multiple inference outputs of detection models. Every function in the C API that outputs a detection decision is expected to use this or a OpenDRDetectionTargetT structure.

The OpenDRDetectionVectorTargetT structure has the following fields:

OpenDRDetectionTargetT startingPointer field

A pointer to multiple OpenDR detection targets.

int size field

A numerical value that represents the number of OpenDR detection structures that are stored.