Systems, apparatuses, methods, and computer program products for automatic switching of object detection modes
Systems, apparatuses, methods, and computer products for automatic switching of object detection modes are provided, including for switching of object detection modes of an indicia reader. For example, an indicia reader of a barcode scanner may be in an environment where a background is detected by one or more infrared object detection modes. The detection of the background but not an object with an indicia may result in the indicia reader continuously seeing the background. In accordance with the present disclosure, an indicia reader may automatically switch between a plurality of object detection modes, which may include deactivating one or more components, modules, and/or circuitry of the indicia reader.
1 . An indicia reader comprising at least one processor and at least one non-transitory memory comprising program code, wherein the at least one non-transitory memory and the program code are configured to, with the at least one processor, cause the indicia reader to:
determine a first infrared object detection mode of a plurality of infrared object detection modes for the indicia reader, wherein each infrared object detection mode is associated with a respective threshold and a respective time period;
switch to the first infrared object detection mode, wherein the first infrared object detection mode is associated with a first range that is associated with a first threshold of infrared illumination from an infrared illumination source received at an infrared illumination sensor;
determine if an object is detected when the infrared illumination is above the first threshold of illumination for a first period of time;
switch, based on a failure of detection of the object when the infrared illumination is above the first threshold of illumination for the first period of time, to a second infrared object detection mode of the plurality of infrared object detection modes, wherein the second infrared object detection mode is associated with a second range that is associated with a second threshold of infrared illumination from the infrared illumination source received at the infrared illumination sensor;
determine if the object is detected when the infrared illumination is above the second threshold of illumination for a second period of time;
switch, based on the failure of detection of the object when the infrared illumination is above the second threshold of illumination for the second period of time, to an optical object detection mode;
deactivate, after the switch to the optical object detection mode, the infrared illumination source; and
detect, after the deactivating, via an optical image sensor, the object comprising an indicia.
2 . The indicia reader of claim 1 , wherein the at least one non-transitory memory and the program code are further configured to, with the at least one processor, cause the indicia reader to:
activate, based on the detection of the object comprising the indicia in the optical object detection mode, the infrared illumination source and the infrared illumination sensor; and
switch to the first infrared object detection mode.
3 . The indicia reader of claim 1 , wherein the first range is a longer distance than the second range.
4 . The indicia reader of claim 1 , wherein the at least one non-transitory memory and the program code are further configured to, with the at least one processor, cause the indicia reader to:
capture, in response to a detection of the object, an image of the object including the indicia; and
decode the indicia.
5 . The indicia reader of claim 1 , wherein the indicia reader further comprises a trigger; and
wherein the at least one non-transitory memory and the program code are further configured to, with the at least one processor, cause the indicia reader to:
determine, responsive to an actuation of the trigger, a last object detection mode;
capture, responsive to the actuation of the trigger, an image; and
switch, after capturing the image, to a last object detection mode.
6 . The indicia reader of claim 1 , wherein the plurality of infrared object detection modes includes a third infrared object detection mode; and
wherein the at least one non-transitory memory and the program code are further configured to, with the at least one processor, cause the indicia reader to:
switch, prior to switching to the optical object detection mode and based on the failure of detection of the object when the infrared illumination is above the second threshold of illumination for the second period of time, to a third infrared object detection mode of the plurality of infrared object detection modes, wherein the third infrared object detection mode is associated with a third range that is associated with a third threshold of infrared illumination received at the infrared illumination sensor; and
determine if the object is detected when the infrared illumination is above the third threshold of illumination via the infrared illumination sensor for a third period of time.
7 . A computer-implemented method carried out by a computer, one or more infrared illumination sensors, and one or more optical image sensors, comprising:
determining a first infrared object detection mode of a plurality of infrared object detection modes for an indicia reader, wherein each infrared object detection mode is associated with a respective threshold and a respective time period;
switching to the first infrared object detection mode, wherein the first infrared object detection mode is associated with a first range that is associated with a first threshold of infrared illumination from an infrared illumination source received at an infrared illumination sensor;
determining if an object is detected when the infrared illumination is above the first threshold of illumination for a first period of time;
switching, based on a failure of detection of the object when the infrared illumination is above the first threshold of illumination for the first period of time, to a second infrared object detection mode of the plurality of infrared object detection modes, wherein the second infrared object detection mode is associated with a second range that is associated with a second threshold of infrared illumination from the infrared illumination source received at the infrared illumination sensor;
determining if the object is detected when the infrared illumination is above the second threshold of illumination via the infrared illumination sensor for a second period of time;
switching, based on the failure of detection of the object when the infrared illumination is above the second threshold of illumination for the second period of time, to an optical object detection mode;
deactivating, after the switch to the optical object detection mode, the infrared illumination source; and
detecting, after the deactivating, via an optical image sensor, the object comprising an indicia.
8 . The computer-implemented method of claim 7 further comprising:
activating, based on the detection of the object comprising the indicia in the optical object detection mode, the infrared illumination source and the infrared illumination sensor; and
switching to the first infrared object detection mode.
9 . The computer-implemented method of claim 7 , wherein the first range is a longer distance than the second range.
10 . The computer-implemented method of claim 7 further comprising:
capturing, in response to a detection of the object, an image of the object including the indicia; and
decoding the indicia.
11 . The computer-implemented method of claim 7 further comprising:
determining, responsive to an actuation of a trigger of the indicia reader, a last object detection mode;
capturing responsive to the actuation of the trigger, an image; and
switching, after capturing the image, to a last object detection mode.
12 . The computer-implemented method of claim 7 , wherein the plurality of infrared object detection modes includes a third infrared object detection mode; and
wherein the computer-implemented method further comprises:
switching, prior to switching to the optical object detection mode and based on the detection of the second threshold of illumination for the second period of time, to a third infrared object detection mode of the plurality of infrared object detection modes, wherein the third infrared object detection mode is associated with a third range that is associated with a third threshold of infrared illumination received at the infrared illumination sensor; and
determine if the object is detected when the infrared illumination is above the third threshold of illumination via the infrared illumination sensor for a third period of time.
13 . A computer program product comprising at least one non-transitory computer-readable storage medium having computer-readable program code portions stored therein, the computer-readable program code portions comprising an executable portion executable on a computer, one or more infrared sensors, and one or more optical image sensors, configured to:
determine a first infrared object detection mode of a plurality of infrared object detection modes for an indicia reader, wherein each infrared object detection mode is associated with a respective threshold and a respective time period; switch to the first infrared object detection mode, wherein the first infrared object detection mode is associated with a first range that is associated with a first threshold of infrared illumination from an infrared illumination source received at an infrared illumination sensor;
determine an object is detected when the infrared illumination is above the first threshold of illumination via the infrared illumination sensor for a first period of time;
switch, based on a failure of detection of the object when the infrared illumination is above the first threshold of illumination for the first period of time, to a second infrared object detection mode of the plurality of infrared object detection modes, wherein the second infrared object detection mode is associated with a second range that is associated with a second threshold of infrared illumination from the infrared illumination source received at the infrared illumination sensor;
determine if the object is detected when the infrared illumination is above the second threshold of illumination via the infrared illumination sensor for a second period of time;
switch, based on a failure of detection of the object when the infrared illumination is above the second threshold of illumination for the second period of time period of each respective infrared object mode, to an optical object detection mode; and
deactivate, after the switch to the optical object detection mode, the infrared illumination source; and
detect, after the deactivating, via an optical image sensor, the object comprising an indicia.
14 . The computer program product of claim 13 , wherein the computer-readable program code portions further comprise the executable portion configured to:
activate, based on the detection of the object comprising the indicia in the optical object detection mode, the infrared illumination source and the infrared illumination sensor; and
switch to the first infrared object detection mode.
15 . The computer program product of claim 13 , wherein the first range is a longer distance than the second range.
16 . The computer program product of claim 13 , wherein the computer-readable program code portions further comprise the executable portion configured to:
capture, in response to a detection of the object, an image of the object including the indicia; and
decode the indicia.
17 . The computer program product of claim 13 , wherein the computer-readable program code portions further comprise the executable portion configured to:
determine, responsive to an actuation of a trigger of the indicia reader, a last object detection mode;
capture responsive to the actuation of the trigger, an image; and
switch, after capturing the image, to the last object detection mode.