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En el instante 25 de junio de 2026, 12:34:50 UTC,
-
Modificado el valor del campo
modified
a2026-06-25
en Intelligent systems for mapping amphibian mortality on Portuguese roads. -
Modificado el valor del campo
modified
del recurso Acceso al recurso a2026-06-25
(anteriormente2026-06-23
) en Intelligent systems for mapping amphibian mortality on Portuguese roads.
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| 81 | "notes": "Roads have multiple effects on wildlife, from animal | 95 | "notes": "Roads have multiple effects on wildlife, from animal | ||
| 82 | mortality, habitat and population fragmentation, to modification of | 96 | mortality, habitat and population fragmentation, to modification of | ||
| 83 | animal reproductive behavior. Amphibians in particular, due to their | 97 | animal reproductive behavior. Amphibians in particular, due to their | ||
| 84 | activity patterns, population structure, and preferred habitats, are | 98 | activity patterns, population structure, and preferred habitats, are | ||
| 85 | strongly affected by traffic intensity and road density. On the other | 99 | strongly affected by traffic intensity and road density. On the other | ||
| 86 | hand, road-kills studies and conservation measures have been | 100 | hand, road-kills studies and conservation measures have been | ||
| 87 | extensively applied on highways, although amphibians die massively on | 101 | extensively applied on highways, although amphibians die massively on | ||
| 88 | country roads, where conservation measures are not applied. Many | 102 | country roads, where conservation measures are not applied. Many | ||
| 89 | countries (e.g. Portugal) have not any national program for monitoring | 103 | countries (e.g. Portugal) have not any national program for monitoring | ||
| 90 | road-kills, a common practice in other European countries (e.g. UK; | 104 | road-kills, a common practice in other European countries (e.g. UK; | ||
| 91 | The Netherlands). This is necessary to identify hotspots of road-kills | 105 | The Netherlands). This is necessary to identify hotspots of road-kills | ||
| 92 | in order to implement conservation measures correctly. However, | 106 | in order to implement conservation measures correctly. However, | ||
| 93 | monitoring road-kills is expensive and time consuming, and depend | 107 | monitoring road-kills is expensive and time consuming, and depend | ||
| 94 | mainly on volunteers. Therefore, cheap, easy to implement, and | 108 | mainly on volunteers. Therefore, cheap, easy to implement, and | ||
| 95 | automatic methods for detecting road-kills over larger areas (broad | 109 | automatic methods for detecting road-kills over larger areas (broad | ||
| 96 | monitoring) and along time (continuous monitoring) are necessary. We | 110 | monitoring) and along time (continuous monitoring) are necessary. We | ||
| 97 | present here the preliminary results from a research project which | 111 | present here the preliminary results from a research project which | ||
| 98 | aims to build a cheap and efficient system for detecting amphibians | 112 | aims to build a cheap and efficient system for detecting amphibians | ||
| 99 | roadkills using computer-vision techniques from robotics. We propose | 113 | roadkills using computer-vision techniques from robotics. We propose | ||
| 100 | two different solutions: 1) a Mobile Mapping System to detect | 114 | two different solutions: 1) a Mobile Mapping System to detect | ||
| 101 | automatically amphibians\u2019 road-kills in roads, and 2) a Fixed | 115 | automatically amphibians\u2019 road-kills in roads, and 2) a Fixed | ||
| 102 | Detection System to monitor automatically road-kills in a particular | 116 | Detection System to monitor automatically road-kills in a particular | ||
| 103 | road place during a long time. The first methodology will detect and | 117 | road place during a long time. The first methodology will detect and | ||
| 104 | locate road-kills through the automatic classification of road surface | 118 | locate road-kills through the automatic classification of road surface | ||
| 105 | images taken from a car with a digital camera, linked to a GPS. Road | 119 | images taken from a car with a digital camera, linked to a GPS. Road | ||
| 106 | kill casualties will be detected automatically in the image through a | 120 | kill casualties will be detected automatically in the image through a | ||
| 107 | classification algorithm developed specifically for this purpose. The | 121 | classification algorithm developed specifically for this purpose. The | ||
| 108 | second methodology will detect amphibians crossing a particular road | 122 | second methodology will detect amphibians crossing a particular road | ||
| 109 | point, and determine if they survive or not. Both Fixed and Mobile | 123 | point, and determine if they survive or not. Both Fixed and Mobile | ||
| 110 | system will use similar programs. The algorithm is trained with | 124 | system will use similar programs. The algorithm is trained with | ||
| 111 | existing data. For now, we can only present some results about the | 125 | existing data. For now, we can only present some results about the | ||
| 112 | Mobile Mapping System. We are performing different tests with | 126 | Mobile Mapping System. We are performing different tests with | ||
| 113 | different cameras, namely a lineal camera, used in different | 127 | different cameras, namely a lineal camera, used in different | ||
| 114 | industrial solutions of control quality, and an outdoor Go-pro camera, | 128 | industrial solutions of control quality, and an outdoor Go-pro camera, | ||
| 115 | very famous on different sports like biking. Our results prove that we | 129 | very famous on different sports like biking. Our results prove that we | ||
| 116 | can detect different road-killed and live animals to an acceptable car | 130 | can detect different road-killed and live animals to an acceptable car | ||
| 117 | speed and at a high spatial resolution. Both Mapping Systems will | 131 | speed and at a high spatial resolution. Both Mapping Systems will | ||
| 118 | provide the capacity to detect automatically the casualties of | 132 | provide the capacity to detect automatically the casualties of | ||
| 119 | road-kills. With these data, it will be possible to analyze the | 133 | road-kills. With these data, it will be possible to analyze the | ||
| 120 | distribution of road-kills and hotspots, to identify the main | 134 | distribution of road-kills and hotspots, to identify the main | ||
| 121 | migration routes, to count the total number of amphibians crossing a | 135 | migration routes, to count the total number of amphibians crossing a | ||
| 122 | road, to determine how many of that individuals are effectively | 136 | road, to determine how many of that individuals are effectively | ||
| 123 | road-killed, and to define where conservation measures should be | 137 | road-killed, and to define where conservation measures should be | ||
| 124 | implemented. All these objectives will be achieved more easily at with | 138 | implemented. All these objectives will be achieved more easily at with | ||
| 125 | a lower cost in funds, time, and personal resources.", | 139 | a lower cost in funds, time, and personal resources.", | ||
| 126 | "notes_translated": { | 140 | "notes_translated": { | ||
| 127 | "en": "Roads have multiple effects on wildlife, from animal | 141 | "en": "Roads have multiple effects on wildlife, from animal | ||
| 128 | mortality, habitat and population fragmentation, to modification of | 142 | mortality, habitat and population fragmentation, to modification of | ||
| 129 | animal reproductive behavior. Amphibians in particular, due to their | 143 | animal reproductive behavior. Amphibians in particular, due to their | ||
| 130 | activity patterns, population structure, and preferred habitats, are | 144 | activity patterns, population structure, and preferred habitats, are | ||
| 131 | strongly affected by traffic intensity and road density. On the other | 145 | strongly affected by traffic intensity and road density. On the other | ||
| 132 | hand, road-kills studies and conservation measures have been | 146 | hand, road-kills studies and conservation measures have been | ||
| 133 | extensively applied on highways, although amphibians die massively on | 147 | extensively applied on highways, although amphibians die massively on | ||
| 134 | country roads, where conservation measures are not applied. Many | 148 | country roads, where conservation measures are not applied. Many | ||
| 135 | countries (e.g. Portugal) have not any national program for monitoring | 149 | countries (e.g. Portugal) have not any national program for monitoring | ||
| 136 | road-kills, a common practice in other European countries (e.g. UK; | 150 | road-kills, a common practice in other European countries (e.g. UK; | ||
| 137 | The Netherlands). This is necessary to identify hotspots of road-kills | 151 | The Netherlands). This is necessary to identify hotspots of road-kills | ||
| 138 | in order to implement conservation measures correctly.\nHowever, | 152 | in order to implement conservation measures correctly.\nHowever, | ||
| 139 | monitoring road-kills is expensive and time consuming, and depend | 153 | monitoring road-kills is expensive and time consuming, and depend | ||
| 140 | mainly on volunteers. Therefore, cheap, easy to implement, and | 154 | mainly on volunteers. Therefore, cheap, easy to implement, and | ||
| 141 | automatic methods for detecting road-kills over larger areas (broad | 155 | automatic methods for detecting road-kills over larger areas (broad | ||
| 142 | monitoring) and along time (continuous monitoring) are necessary. We | 156 | monitoring) and along time (continuous monitoring) are necessary. We | ||
| 143 | present here the preliminary results from a research project which | 157 | present here the preliminary results from a research project which | ||
| 144 | aims to build a cheap and efficient system for detecting amphibians | 158 | aims to build a cheap and efficient system for detecting amphibians | ||
| 145 | roadkills using computer-vision techniques from robotics. We propose | 159 | roadkills using computer-vision techniques from robotics. We propose | ||
| 146 | two different solutions: 1) a Mobile Mapping System to detect | 160 | two different solutions: 1) a Mobile Mapping System to detect | ||
| 147 | automatically amphibians\u2019 road-kills in roads, and 2) a Fixed | 161 | automatically amphibians\u2019 road-kills in roads, and 2) a Fixed | ||
| 148 | Detection System to monitor automatically road-kills in a particular | 162 | Detection System to monitor automatically road-kills in a particular | ||
| 149 | road place during a long time. The first methodology will detect and | 163 | road place during a long time. The first methodology will detect and | ||
| 150 | locate road-kills through the automatic classification\nof road | 164 | locate road-kills through the automatic classification\nof road | ||
| 151 | surface images taken from a car with a digital camera, linked to a | 165 | surface images taken from a car with a digital camera, linked to a | ||
| 152 | GPS. Road kill casualties will be detected automatically in the image | 166 | GPS. Road kill casualties will be detected automatically in the image | ||
| 153 | through a classification algorithm developed specifically for this | 167 | through a classification algorithm developed specifically for this | ||
| 154 | purpose. The second methodology will detect amphibians\ncrossing a | 168 | purpose. The second methodology will detect amphibians\ncrossing a | ||
| 155 | particular road point, and determine if they survive or not. Both | 169 | particular road point, and determine if they survive or not. Both | ||
| 156 | Fixed and Mobile system will use similar programs. The algorithm is | 170 | Fixed and Mobile system will use similar programs. The algorithm is | ||
| 157 | trained with existing data. For now, we can only present some results | 171 | trained with existing data. For now, we can only present some results | ||
| 158 | about the Mobile Mapping System. We are performing different tests | 172 | about the Mobile Mapping System. We are performing different tests | ||
| 159 | with different cameras, namely a lineal camera, used in different | 173 | with different cameras, namely a lineal camera, used in different | ||
| 160 | industrial solutions of control quality, and an outdoor Go-pro camera, | 174 | industrial solutions of control quality, and an outdoor Go-pro camera, | ||
| 161 | very famous on different sports like biking. Our results prove that we | 175 | very famous on different sports like biking. Our results prove that we | ||
| 162 | can detect different road-killed and live animals to an acceptable car | 176 | can detect different road-killed and live animals to an acceptable car | ||
| 163 | speed and at a high spatial resolution. Both Mapping Systems will | 177 | speed and at a high spatial resolution. Both Mapping Systems will | ||
| 164 | provide the capacity to detect automatically the casualties of | 178 | provide the capacity to detect automatically the casualties of | ||
| 165 | road-kills. With these data, it will be possible to analyze the | 179 | road-kills. With these data, it will be possible to analyze the | ||
| 166 | distribution of road-kills and hotspots, to identify the main | 180 | distribution of road-kills and hotspots, to identify the main | ||
| 167 | migration routes, to count the total number of amphibians crossing a | 181 | migration routes, to count the total number of amphibians crossing a | ||
| 168 | road, to determine how many of that individuals are effectively | 182 | road, to determine how many of that individuals are effectively | ||
| 169 | road-killed, and to define where conservation measures should be | 183 | road-killed, and to define where conservation measures should be | ||
| 170 | implemented. All these objectives will be achieved more easily | 184 | implemented. All these objectives will be achieved more easily | ||
| 171 | at\nwith a lower cost in funds, time, and personal resources.", | 185 | at\nwith a lower cost in funds, time, and personal resources.", | ||
| 172 | "es": "Roads have multiple effects on wildlife, from animal | 186 | "es": "Roads have multiple effects on wildlife, from animal | ||
| 173 | mortality, habitat and population fragmentation, to modification of | 187 | mortality, habitat and population fragmentation, to modification of | ||
| 174 | animal reproductive behavior. Amphibians in particular, due to their | 188 | animal reproductive behavior. Amphibians in particular, due to their | ||
| 175 | activity patterns, population structure, and preferred habitats, are | 189 | activity patterns, population structure, and preferred habitats, are | ||
| 176 | strongly affected by traffic intensity and road density. On the other | 190 | strongly affected by traffic intensity and road density. On the other | ||
| 177 | hand, road-kills studies and conservation measures have been | 191 | hand, road-kills studies and conservation measures have been | ||
| 178 | extensively applied on highways, although amphibians die massively on | 192 | extensively applied on highways, although amphibians die massively on | ||
| 179 | country roads, where conservation measures are not applied. Many | 193 | country roads, where conservation measures are not applied. Many | ||
| 180 | countries (e.g. Portugal) have not any national program for monitoring | 194 | countries (e.g. Portugal) have not any national program for monitoring | ||
| 181 | road-kills, a common practice in other European countries (e.g. UK; | 195 | road-kills, a common practice in other European countries (e.g. UK; | ||
| 182 | The Netherlands). This is necessary to identify hotspots of road-kills | 196 | The Netherlands). This is necessary to identify hotspots of road-kills | ||
| 183 | in order to implement conservation measures correctly. However, | 197 | in order to implement conservation measures correctly. However, | ||
| 184 | monitoring road-kills is expensive and time consuming, and depend | 198 | monitoring road-kills is expensive and time consuming, and depend | ||
| 185 | mainly on volunteers. Therefore, cheap, easy to implement, and | 199 | mainly on volunteers. Therefore, cheap, easy to implement, and | ||
| 186 | automatic methods for detecting road-kills over larger areas (broad | 200 | automatic methods for detecting road-kills over larger areas (broad | ||
| 187 | monitoring) and along time (continuous monitoring) are necessary. We | 201 | monitoring) and along time (continuous monitoring) are necessary. We | ||
| 188 | present here the preliminary results from a research project which | 202 | present here the preliminary results from a research project which | ||
| 189 | aims to build a cheap and efficient system for detecting amphibians | 203 | aims to build a cheap and efficient system for detecting amphibians | ||
| 190 | roadkills using computer-vision techniques from robotics. We propose | 204 | roadkills using computer-vision techniques from robotics. We propose | ||
| 191 | two different solutions: 1) a Mobile Mapping System to detect | 205 | two different solutions: 1) a Mobile Mapping System to detect | ||
| 192 | automatically amphibians\u2019 road-kills in roads, and 2) a Fixed | 206 | automatically amphibians\u2019 road-kills in roads, and 2) a Fixed | ||
| 193 | Detection System to monitor automatically road-kills in a particular | 207 | Detection System to monitor automatically road-kills in a particular | ||
| 194 | road place during a long time. The first methodology will detect and | 208 | road place during a long time. The first methodology will detect and | ||
| 195 | locate road-kills through the automatic classification of road surface | 209 | locate road-kills through the automatic classification of road surface | ||
| 196 | images taken from a car with a digital camera, linked to a GPS. Road | 210 | images taken from a car with a digital camera, linked to a GPS. Road | ||
| 197 | kill casualties will be detected automatically in the image through a | 211 | kill casualties will be detected automatically in the image through a | ||
| 198 | classification algorithm developed specifically for this purpose. The | 212 | classification algorithm developed specifically for this purpose. The | ||
| 199 | second methodology will detect amphibians crossing a particular road | 213 | second methodology will detect amphibians crossing a particular road | ||
| 200 | point, and determine if they survive or not. Both Fixed and Mobile | 214 | point, and determine if they survive or not. Both Fixed and Mobile | ||
| 201 | system will use similar programs. The algorithm is trained with | 215 | system will use similar programs. The algorithm is trained with | ||
| 202 | existing data. For now, we can only present some results about the | 216 | existing data. For now, we can only present some results about the | ||
| 203 | Mobile Mapping System. We are performing different tests with | 217 | Mobile Mapping System. We are performing different tests with | ||
| 204 | different cameras, namely a lineal camera, used in different | 218 | different cameras, namely a lineal camera, used in different | ||
| 205 | industrial solutions of control quality, and an outdoor Go-pro camera, | 219 | industrial solutions of control quality, and an outdoor Go-pro camera, | ||
| 206 | very famous on different sports like biking. Our results prove that we | 220 | very famous on different sports like biking. Our results prove that we | ||
| 207 | can detect different road-killed and live animals to an acceptable car | 221 | can detect different road-killed and live animals to an acceptable car | ||
| 208 | speed and at a high spatial resolution. Both Mapping Systems will | 222 | speed and at a high spatial resolution. Both Mapping Systems will | ||
| 209 | provide the capacity to detect automatically the casualties of | 223 | provide the capacity to detect automatically the casualties of | ||
| 210 | road-kills. With these data, it will be possible to analyze the | 224 | road-kills. With these data, it will be possible to analyze the | ||
| 211 | distribution of road-kills and hotspots, to identify the main | 225 | distribution of road-kills and hotspots, to identify the main | ||
| 212 | migration routes, to count the total number of amphibians crossing a | 226 | migration routes, to count the total number of amphibians crossing a | ||
| 213 | road, to determine how many of that individuals are effectively | 227 | road, to determine how many of that individuals are effectively | ||
| 214 | road-killed, and to define where conservation measures should be | 228 | road-killed, and to define where conservation measures should be | ||
| 215 | implemented. All these objectives will be achieved more easily at with | 229 | implemented. All these objectives will be achieved more easily at with | ||
| 216 | a lower cost in funds, time, and personal resources." | 230 | a lower cost in funds, time, and personal resources." | ||
| 217 | }, | 231 | }, | ||
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| 221 | "approval_status": "approved", | 235 | "approval_status": "approved", | ||
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